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[OLEAUT32]
[reactos.git] / reactos / dll / win32 / oleaut32 / variant.c
1 /*
2 * VARIANT
3 *
4 * Copyright 1998 Jean-Claude Cote
5 * Copyright 2003 Jon Griffiths
6 * Copyright 2005 Daniel Remenak
7 * Copyright 2006 Google (Benjamin Arai)
8 *
9 * The algorithm for conversion from Julian days to day/month/year is based on
10 * that devised by Henry Fliegel, as implemented in PostgreSQL, which is
11 * Copyright 1994-7 Regents of the University of California
12 *
13 * This library is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU Lesser General Public
15 * License as published by the Free Software Foundation; either
16 * version 2.1 of the License, or (at your option) any later version.
17 *
18 * This library is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 * Lesser General Public License for more details.
22 *
23 * You should have received a copy of the GNU Lesser General Public
24 * License along with this library; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 */
27
28 #include "config.h"
29
30 #include <string.h>
31 #include <stdlib.h>
32 #include <stdarg.h>
33
34 #define COBJMACROS
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
37
38 #include "windef.h"
39 #include "winbase.h"
40 #include "wine/unicode.h"
41 #include "winerror.h"
42 #include "variant.h"
43 #include "resource.h"
44 #include "wine/debug.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(variant);
47
48 const char * const wine_vtypes[VT_CLSID+1] =
49 {
50 "VT_EMPTY","VT_NULL","VT_I2","VT_I4","VT_R4","VT_R8","VT_CY","VT_DATE",
51 "VT_BSTR","VT_DISPATCH","VT_ERROR","VT_BOOL","VT_VARIANT","VT_UNKNOWN",
52 "VT_DECIMAL","15","VT_I1","VT_UI1","VT_UI2","VT_UI4","VT_I8","VT_UI8",
53 "VT_INT","VT_UINT","VT_VOID","VT_HRESULT","VT_PTR","VT_SAFEARRAY",
54 "VT_CARRAY","VT_USERDEFINED","VT_LPSTR","VT_LPWSTR","32","33","34","35",
55 "VT_RECORD","VT_INT_PTR","VT_UINT_PTR","39","40","41","42","43","44","45",
56 "46","47","48","49","50","51","52","53","54","55","56","57","58","59","60",
57 "61","62","63","VT_FILETIME","VT_BLOB","VT_STREAM","VT_STORAGE",
58 "VT_STREAMED_OBJECT","VT_STORED_OBJECT","VT_BLOB_OBJECT","VT_CF","VT_CLSID"
59 };
60
61 const char * const wine_vflags[16] =
62 {
63 "",
64 "|VT_VECTOR",
65 "|VT_ARRAY",
66 "|VT_VECTOR|VT_ARRAY",
67 "|VT_BYREF",
68 "|VT_VECTOR|VT_ARRAY",
69 "|VT_ARRAY|VT_BYREF",
70 "|VT_VECTOR|VT_ARRAY|VT_BYREF",
71 "|VT_HARDTYPE",
72 "|VT_VECTOR|VT_HARDTYPE",
73 "|VT_ARRAY|VT_HARDTYPE",
74 "|VT_VECTOR|VT_ARRAY|VT_HARDTYPE",
75 "|VT_BYREF|VT_HARDTYPE",
76 "|VT_VECTOR|VT_ARRAY|VT_HARDTYPE",
77 "|VT_ARRAY|VT_BYREF|VT_HARDTYPE",
78 "|VT_VECTOR|VT_ARRAY|VT_BYREF|VT_HARDTYPE",
79 };
80
81 /* Convert a variant from one type to another */
82 static inline HRESULT VARIANT_Coerce(VARIANTARG* pd, LCID lcid, USHORT wFlags,
83 VARIANTARG* ps, VARTYPE vt)
84 {
85 HRESULT res = DISP_E_TYPEMISMATCH;
86 VARTYPE vtFrom = V_TYPE(ps);
87 DWORD dwFlags = 0;
88
89 TRACE("(%p->(%s%s),0x%08x,0x%04x,%p->(%s%s),%s%s)\n", pd, debugstr_VT(pd),
90 debugstr_VF(pd), lcid, wFlags, ps, debugstr_VT(ps), debugstr_VF(ps),
91 debugstr_vt(vt), debugstr_vf(vt));
92
93 if (vt == VT_BSTR || vtFrom == VT_BSTR)
94 {
95 /* All flags passed to low level function are only used for
96 * changing to or from strings. Map these here.
97 */
98 if (wFlags & VARIANT_LOCALBOOL)
99 dwFlags |= VAR_LOCALBOOL;
100 if (wFlags & VARIANT_CALENDAR_HIJRI)
101 dwFlags |= VAR_CALENDAR_HIJRI;
102 if (wFlags & VARIANT_CALENDAR_THAI)
103 dwFlags |= VAR_CALENDAR_THAI;
104 if (wFlags & VARIANT_CALENDAR_GREGORIAN)
105 dwFlags |= VAR_CALENDAR_GREGORIAN;
106 if (wFlags & VARIANT_NOUSEROVERRIDE)
107 dwFlags |= LOCALE_NOUSEROVERRIDE;
108 if (wFlags & VARIANT_USE_NLS)
109 dwFlags |= LOCALE_USE_NLS;
110 }
111
112 /* Map int/uint to i4/ui4 */
113 if (vt == VT_INT)
114 vt = VT_I4;
115 else if (vt == VT_UINT)
116 vt = VT_UI4;
117
118 if (vtFrom == VT_INT)
119 vtFrom = VT_I4;
120 else if (vtFrom == VT_UINT)
121 vtFrom = VT_UI4;
122
123 if (vt == vtFrom)
124 return VariantCopy(pd, ps);
125
126 if (wFlags & VARIANT_NOVALUEPROP && vtFrom == VT_DISPATCH && vt != VT_UNKNOWN)
127 {
128 /* VARIANT_NOVALUEPROP prevents IDispatch objects from being coerced by
129 * accessing the default object property.
130 */
131 return DISP_E_TYPEMISMATCH;
132 }
133
134 switch (vt)
135 {
136 case VT_EMPTY:
137 if (vtFrom == VT_NULL)
138 return DISP_E_TYPEMISMATCH;
139 /* ... Fall through */
140 case VT_NULL:
141 if (vtFrom <= VT_UINT && vtFrom != (VARTYPE)15 && vtFrom != VT_ERROR)
142 {
143 res = VariantClear( pd );
144 if (vt == VT_NULL && SUCCEEDED(res))
145 V_VT(pd) = VT_NULL;
146 }
147 return res;
148
149 case VT_I1:
150 switch (vtFrom)
151 {
152 case VT_EMPTY: V_I1(pd) = 0; return S_OK;
153 case VT_I2: return VarI1FromI2(V_I2(ps), &V_I1(pd));
154 case VT_I4: return VarI1FromI4(V_I4(ps), &V_I1(pd));
155 case VT_UI1: V_I1(pd) = V_UI1(ps); return S_OK;
156 case VT_UI2: return VarI1FromUI2(V_UI2(ps), &V_I1(pd));
157 case VT_UI4: return VarI1FromUI4(V_UI4(ps), &V_I1(pd));
158 case VT_I8: return VarI1FromI8(V_I8(ps), &V_I1(pd));
159 case VT_UI8: return VarI1FromUI8(V_UI8(ps), &V_I1(pd));
160 case VT_R4: return VarI1FromR4(V_R4(ps), &V_I1(pd));
161 case VT_R8: return VarI1FromR8(V_R8(ps), &V_I1(pd));
162 case VT_DATE: return VarI1FromDate(V_DATE(ps), &V_I1(pd));
163 case VT_BOOL: return VarI1FromBool(V_BOOL(ps), &V_I1(pd));
164 case VT_CY: return VarI1FromCy(V_CY(ps), &V_I1(pd));
165 case VT_DECIMAL: return VarI1FromDec(&V_DECIMAL(ps), &V_I1(pd) );
166 case VT_DISPATCH: return VarI1FromDisp(V_DISPATCH(ps), lcid, &V_I1(pd) );
167 case VT_BSTR: return VarI1FromStr(V_BSTR(ps), lcid, dwFlags, &V_I1(pd) );
168 }
169 break;
170
171 case VT_I2:
172 switch (vtFrom)
173 {
174 case VT_EMPTY: V_I2(pd) = 0; return S_OK;
175 case VT_I1: return VarI2FromI1(V_I1(ps), &V_I2(pd));
176 case VT_I4: return VarI2FromI4(V_I4(ps), &V_I2(pd));
177 case VT_UI1: return VarI2FromUI1(V_UI1(ps), &V_I2(pd));
178 case VT_UI2: V_I2(pd) = V_UI2(ps); return S_OK;
179 case VT_UI4: return VarI2FromUI4(V_UI4(ps), &V_I2(pd));
180 case VT_I8: return VarI2FromI8(V_I8(ps), &V_I2(pd));
181 case VT_UI8: return VarI2FromUI8(V_UI8(ps), &V_I2(pd));
182 case VT_R4: return VarI2FromR4(V_R4(ps), &V_I2(pd));
183 case VT_R8: return VarI2FromR8(V_R8(ps), &V_I2(pd));
184 case VT_DATE: return VarI2FromDate(V_DATE(ps), &V_I2(pd));
185 case VT_BOOL: return VarI2FromBool(V_BOOL(ps), &V_I2(pd));
186 case VT_CY: return VarI2FromCy(V_CY(ps), &V_I2(pd));
187 case VT_DECIMAL: return VarI2FromDec(&V_DECIMAL(ps), &V_I2(pd));
188 case VT_DISPATCH: return VarI2FromDisp(V_DISPATCH(ps), lcid, &V_I2(pd));
189 case VT_BSTR: return VarI2FromStr(V_BSTR(ps), lcid, dwFlags, &V_I2(pd));
190 }
191 break;
192
193 case VT_I4:
194 switch (vtFrom)
195 {
196 case VT_EMPTY: V_I4(pd) = 0; return S_OK;
197 case VT_I1: return VarI4FromI1(V_I1(ps), &V_I4(pd));
198 case VT_I2: return VarI4FromI2(V_I2(ps), &V_I4(pd));
199 case VT_UI1: return VarI4FromUI1(V_UI1(ps), &V_I4(pd));
200 case VT_UI2: return VarI4FromUI2(V_UI2(ps), &V_I4(pd));
201 case VT_UI4: V_I4(pd) = V_UI4(ps); return S_OK;
202 case VT_I8: return VarI4FromI8(V_I8(ps), &V_I4(pd));
203 case VT_UI8: return VarI4FromUI8(V_UI8(ps), &V_I4(pd));
204 case VT_R4: return VarI4FromR4(V_R4(ps), &V_I4(pd));
205 case VT_R8: return VarI4FromR8(V_R8(ps), &V_I4(pd));
206 case VT_DATE: return VarI4FromDate(V_DATE(ps), &V_I4(pd));
207 case VT_BOOL: return VarI4FromBool(V_BOOL(ps), &V_I4(pd));
208 case VT_CY: return VarI4FromCy(V_CY(ps), &V_I4(pd));
209 case VT_DECIMAL: return VarI4FromDec(&V_DECIMAL(ps), &V_I4(pd));
210 case VT_DISPATCH: return VarI4FromDisp(V_DISPATCH(ps), lcid, &V_I4(pd));
211 case VT_BSTR: return VarI4FromStr(V_BSTR(ps), lcid, dwFlags, &V_I4(pd));
212 }
213 break;
214
215 case VT_UI1:
216 switch (vtFrom)
217 {
218 case VT_EMPTY: V_UI1(pd) = 0; return S_OK;
219 case VT_I1: V_UI1(pd) = V_I1(ps); return S_OK;
220 case VT_I2: return VarUI1FromI2(V_I2(ps), &V_UI1(pd));
221 case VT_I4: return VarUI1FromI4(V_I4(ps), &V_UI1(pd));
222 case VT_UI2: return VarUI1FromUI2(V_UI2(ps), &V_UI1(pd));
223 case VT_UI4: return VarUI1FromUI4(V_UI4(ps), &V_UI1(pd));
224 case VT_I8: return VarUI1FromI8(V_I8(ps), &V_UI1(pd));
225 case VT_UI8: return VarUI1FromUI8(V_UI8(ps), &V_UI1(pd));
226 case VT_R4: return VarUI1FromR4(V_R4(ps), &V_UI1(pd));
227 case VT_R8: return VarUI1FromR8(V_R8(ps), &V_UI1(pd));
228 case VT_DATE: return VarUI1FromDate(V_DATE(ps), &V_UI1(pd));
229 case VT_BOOL: return VarUI1FromBool(V_BOOL(ps), &V_UI1(pd));
230 case VT_CY: return VarUI1FromCy(V_CY(ps), &V_UI1(pd));
231 case VT_DECIMAL: return VarUI1FromDec(&V_DECIMAL(ps), &V_UI1(pd));
232 case VT_DISPATCH: return VarUI1FromDisp(V_DISPATCH(ps), lcid, &V_UI1(pd));
233 case VT_BSTR: return VarUI1FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI1(pd));
234 }
235 break;
236
237 case VT_UI2:
238 switch (vtFrom)
239 {
240 case VT_EMPTY: V_UI2(pd) = 0; return S_OK;
241 case VT_I1: return VarUI2FromI1(V_I1(ps), &V_UI2(pd));
242 case VT_I2: V_UI2(pd) = V_I2(ps); return S_OK;
243 case VT_I4: return VarUI2FromI4(V_I4(ps), &V_UI2(pd));
244 case VT_UI1: return VarUI2FromUI1(V_UI1(ps), &V_UI2(pd));
245 case VT_UI4: return VarUI2FromUI4(V_UI4(ps), &V_UI2(pd));
246 case VT_I8: return VarUI4FromI8(V_I8(ps), &V_UI4(pd));
247 case VT_UI8: return VarUI4FromUI8(V_UI8(ps), &V_UI4(pd));
248 case VT_R4: return VarUI2FromR4(V_R4(ps), &V_UI2(pd));
249 case VT_R8: return VarUI2FromR8(V_R8(ps), &V_UI2(pd));
250 case VT_DATE: return VarUI2FromDate(V_DATE(ps), &V_UI2(pd));
251 case VT_BOOL: return VarUI2FromBool(V_BOOL(ps), &V_UI2(pd));
252 case VT_CY: return VarUI2FromCy(V_CY(ps), &V_UI2(pd));
253 case VT_DECIMAL: return VarUI2FromDec(&V_DECIMAL(ps), &V_UI2(pd));
254 case VT_DISPATCH: return VarUI2FromDisp(V_DISPATCH(ps), lcid, &V_UI2(pd));
255 case VT_BSTR: return VarUI2FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI2(pd));
256 }
257 break;
258
259 case VT_UI4:
260 switch (vtFrom)
261 {
262 case VT_EMPTY: V_UI4(pd) = 0; return S_OK;
263 case VT_I1: return VarUI4FromI1(V_I1(ps), &V_UI4(pd));
264 case VT_I2: return VarUI4FromI2(V_I2(ps), &V_UI4(pd));
265 case VT_I4: V_UI4(pd) = V_I4(ps); return S_OK;
266 case VT_UI1: return VarUI4FromUI1(V_UI1(ps), &V_UI4(pd));
267 case VT_UI2: return VarUI4FromUI2(V_UI2(ps), &V_UI4(pd));
268 case VT_I8: return VarUI4FromI8(V_I8(ps), &V_UI4(pd));
269 case VT_UI8: return VarUI4FromUI8(V_UI8(ps), &V_UI4(pd));
270 case VT_R4: return VarUI4FromR4(V_R4(ps), &V_UI4(pd));
271 case VT_R8: return VarUI4FromR8(V_R8(ps), &V_UI4(pd));
272 case VT_DATE: return VarUI4FromDate(V_DATE(ps), &V_UI4(pd));
273 case VT_BOOL: return VarUI4FromBool(V_BOOL(ps), &V_UI4(pd));
274 case VT_CY: return VarUI4FromCy(V_CY(ps), &V_UI4(pd));
275 case VT_DECIMAL: return VarUI4FromDec(&V_DECIMAL(ps), &V_UI4(pd));
276 case VT_DISPATCH: return VarUI4FromDisp(V_DISPATCH(ps), lcid, &V_UI4(pd));
277 case VT_BSTR: return VarUI4FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI4(pd));
278 }
279 break;
280
281 case VT_UI8:
282 switch (vtFrom)
283 {
284 case VT_EMPTY: V_UI8(pd) = 0; return S_OK;
285 case VT_I4: if (V_I4(ps) < 0) return DISP_E_OVERFLOW; V_UI8(pd) = V_I4(ps); return S_OK;
286 case VT_I1: return VarUI8FromI1(V_I1(ps), &V_UI8(pd));
287 case VT_I2: return VarUI8FromI2(V_I2(ps), &V_UI8(pd));
288 case VT_UI1: return VarUI8FromUI1(V_UI1(ps), &V_UI8(pd));
289 case VT_UI2: return VarUI8FromUI2(V_UI2(ps), &V_UI8(pd));
290 case VT_UI4: return VarUI8FromUI4(V_UI4(ps), &V_UI8(pd));
291 case VT_I8: V_UI8(pd) = V_I8(ps); return S_OK;
292 case VT_R4: return VarUI8FromR4(V_R4(ps), &V_UI8(pd));
293 case VT_R8: return VarUI8FromR8(V_R8(ps), &V_UI8(pd));
294 case VT_DATE: return VarUI8FromDate(V_DATE(ps), &V_UI8(pd));
295 case VT_BOOL: return VarUI8FromBool(V_BOOL(ps), &V_UI8(pd));
296 case VT_CY: return VarUI8FromCy(V_CY(ps), &V_UI8(pd));
297 case VT_DECIMAL: return VarUI8FromDec(&V_DECIMAL(ps), &V_UI8(pd));
298 case VT_DISPATCH: return VarUI8FromDisp(V_DISPATCH(ps), lcid, &V_UI8(pd));
299 case VT_BSTR: return VarUI8FromStr(V_BSTR(ps), lcid, dwFlags, &V_UI8(pd));
300 }
301 break;
302
303 case VT_I8:
304 switch (vtFrom)
305 {
306 case VT_EMPTY: V_I8(pd) = 0; return S_OK;
307 case VT_I4: V_I8(pd) = V_I4(ps); return S_OK;
308 case VT_I1: return VarI8FromI1(V_I1(ps), &V_I8(pd));
309 case VT_I2: return VarI8FromI2(V_I2(ps), &V_I8(pd));
310 case VT_UI1: return VarI8FromUI1(V_UI1(ps), &V_I8(pd));
311 case VT_UI2: return VarI8FromUI2(V_UI2(ps), &V_I8(pd));
312 case VT_UI4: return VarI8FromUI4(V_UI4(ps), &V_I8(pd));
313 case VT_UI8: V_I8(pd) = V_UI8(ps); return S_OK;
314 case VT_R4: return VarI8FromR4(V_R4(ps), &V_I8(pd));
315 case VT_R8: return VarI8FromR8(V_R8(ps), &V_I8(pd));
316 case VT_DATE: return VarI8FromDate(V_DATE(ps), &V_I8(pd));
317 case VT_BOOL: return VarI8FromBool(V_BOOL(ps), &V_I8(pd));
318 case VT_CY: return VarI8FromCy(V_CY(ps), &V_I8(pd));
319 case VT_DECIMAL: return VarI8FromDec(&V_DECIMAL(ps), &V_I8(pd));
320 case VT_DISPATCH: return VarI8FromDisp(V_DISPATCH(ps), lcid, &V_I8(pd));
321 case VT_BSTR: return VarI8FromStr(V_BSTR(ps), lcid, dwFlags, &V_I8(pd));
322 }
323 break;
324
325 case VT_R4:
326 switch (vtFrom)
327 {
328 case VT_EMPTY: V_R4(pd) = 0.0f; return S_OK;
329 case VT_I1: return VarR4FromI1(V_I1(ps), &V_R4(pd));
330 case VT_I2: return VarR4FromI2(V_I2(ps), &V_R4(pd));
331 case VT_I4: return VarR4FromI4(V_I4(ps), &V_R4(pd));
332 case VT_UI1: return VarR4FromUI1(V_UI1(ps), &V_R4(pd));
333 case VT_UI2: return VarR4FromUI2(V_UI2(ps), &V_R4(pd));
334 case VT_UI4: return VarR4FromUI4(V_UI4(ps), &V_R4(pd));
335 case VT_I8: return VarR4FromI8(V_I8(ps), &V_R4(pd));
336 case VT_UI8: return VarR4FromUI8(V_UI8(ps), &V_R4(pd));
337 case VT_R8: return VarR4FromR8(V_R8(ps), &V_R4(pd));
338 case VT_DATE: return VarR4FromDate(V_DATE(ps), &V_R4(pd));
339 case VT_BOOL: return VarR4FromBool(V_BOOL(ps), &V_R4(pd));
340 case VT_CY: return VarR4FromCy(V_CY(ps), &V_R4(pd));
341 case VT_DECIMAL: return VarR4FromDec(&V_DECIMAL(ps), &V_R4(pd));
342 case VT_DISPATCH: return VarR4FromDisp(V_DISPATCH(ps), lcid, &V_R4(pd));
343 case VT_BSTR: return VarR4FromStr(V_BSTR(ps), lcid, dwFlags, &V_R4(pd));
344 }
345 break;
346
347 case VT_R8:
348 switch (vtFrom)
349 {
350 case VT_EMPTY: V_R8(pd) = 0.0; return S_OK;
351 case VT_I1: return VarR8FromI1(V_I1(ps), &V_R8(pd));
352 case VT_I2: return VarR8FromI2(V_I2(ps), &V_R8(pd));
353 case VT_I4: return VarR8FromI4(V_I4(ps), &V_R8(pd));
354 case VT_UI1: return VarR8FromUI1(V_UI1(ps), &V_R8(pd));
355 case VT_UI2: return VarR8FromUI2(V_UI2(ps), &V_R8(pd));
356 case VT_UI4: return VarR8FromUI4(V_UI4(ps), &V_R8(pd));
357 case VT_I8: return VarR8FromI8(V_I8(ps), &V_R8(pd));
358 case VT_UI8: return VarR8FromUI8(V_UI8(ps), &V_R8(pd));
359 case VT_R4: return VarR8FromR4(V_R4(ps), &V_R8(pd));
360 case VT_DATE: return VarR8FromDate(V_DATE(ps), &V_R8(pd));
361 case VT_BOOL: return VarR8FromBool(V_BOOL(ps), &V_R8(pd));
362 case VT_CY: return VarR8FromCy(V_CY(ps), &V_R8(pd));
363 case VT_DECIMAL: return VarR8FromDec(&V_DECIMAL(ps), &V_R8(pd));
364 case VT_DISPATCH: return VarR8FromDisp(V_DISPATCH(ps), lcid, &V_R8(pd));
365 case VT_BSTR: return VarR8FromStr(V_BSTR(ps), lcid, dwFlags, &V_R8(pd));
366 }
367 break;
368
369 case VT_DATE:
370 switch (vtFrom)
371 {
372 case VT_EMPTY: V_DATE(pd) = 0.0; return S_OK;
373 case VT_I1: return VarDateFromI1(V_I1(ps), &V_DATE(pd));
374 case VT_I2: return VarDateFromI2(V_I2(ps), &V_DATE(pd));
375 case VT_I4: return VarDateFromI4(V_I4(ps), &V_DATE(pd));
376 case VT_UI1: return VarDateFromUI1(V_UI1(ps), &V_DATE(pd));
377 case VT_UI2: return VarDateFromUI2(V_UI2(ps), &V_DATE(pd));
378 case VT_UI4: return VarDateFromUI4(V_UI4(ps), &V_DATE(pd));
379 case VT_I8: return VarDateFromI8(V_I8(ps), &V_DATE(pd));
380 case VT_UI8: return VarDateFromUI8(V_UI8(ps), &V_DATE(pd));
381 case VT_R4: return VarDateFromR4(V_R4(ps), &V_DATE(pd));
382 case VT_R8: return VarDateFromR8(V_R8(ps), &V_DATE(pd));
383 case VT_BOOL: return VarDateFromBool(V_BOOL(ps), &V_DATE(pd));
384 case VT_CY: return VarDateFromCy(V_CY(ps), &V_DATE(pd));
385 case VT_DECIMAL: return VarDateFromDec(&V_DECIMAL(ps), &V_DATE(pd));
386 case VT_DISPATCH: return VarDateFromDisp(V_DISPATCH(ps), lcid, &V_DATE(pd));
387 case VT_BSTR: return VarDateFromStr(V_BSTR(ps), lcid, dwFlags, &V_DATE(pd));
388 }
389 break;
390
391 case VT_BOOL:
392 switch (vtFrom)
393 {
394 case VT_EMPTY: V_BOOL(pd) = 0; return S_OK;
395 case VT_I1: return VarBoolFromI1(V_I1(ps), &V_BOOL(pd));
396 case VT_I2: return VarBoolFromI2(V_I2(ps), &V_BOOL(pd));
397 case VT_I4: return VarBoolFromI4(V_I4(ps), &V_BOOL(pd));
398 case VT_UI1: return VarBoolFromUI1(V_UI1(ps), &V_BOOL(pd));
399 case VT_UI2: return VarBoolFromUI2(V_UI2(ps), &V_BOOL(pd));
400 case VT_UI4: return VarBoolFromUI4(V_UI4(ps), &V_BOOL(pd));
401 case VT_I8: return VarBoolFromI8(V_I8(ps), &V_BOOL(pd));
402 case VT_UI8: return VarBoolFromUI8(V_UI8(ps), &V_BOOL(pd));
403 case VT_R4: return VarBoolFromR4(V_R4(ps), &V_BOOL(pd));
404 case VT_R8: return VarBoolFromR8(V_R8(ps), &V_BOOL(pd));
405 case VT_DATE: return VarBoolFromDate(V_DATE(ps), &V_BOOL(pd));
406 case VT_CY: return VarBoolFromCy(V_CY(ps), &V_BOOL(pd));
407 case VT_DECIMAL: return VarBoolFromDec(&V_DECIMAL(ps), &V_BOOL(pd));
408 case VT_DISPATCH: return VarBoolFromDisp(V_DISPATCH(ps), lcid, &V_BOOL(pd));
409 case VT_BSTR: return VarBoolFromStr(V_BSTR(ps), lcid, dwFlags, &V_BOOL(pd));
410 }
411 break;
412
413 case VT_BSTR:
414 switch (vtFrom)
415 {
416 case VT_EMPTY:
417 V_BSTR(pd) = SysAllocStringLen(NULL, 0);
418 return V_BSTR(pd) ? S_OK : E_OUTOFMEMORY;
419 case VT_BOOL:
420 if (wFlags & (VARIANT_ALPHABOOL|VARIANT_LOCALBOOL))
421 return VarBstrFromBool(V_BOOL(ps), lcid, dwFlags, &V_BSTR(pd));
422 return VarBstrFromI2(V_BOOL(ps), lcid, dwFlags, &V_BSTR(pd));
423 case VT_I1: return VarBstrFromI1(V_I1(ps), lcid, dwFlags, &V_BSTR(pd));
424 case VT_I2: return VarBstrFromI2(V_I2(ps), lcid, dwFlags, &V_BSTR(pd));
425 case VT_I4: return VarBstrFromI4(V_I4(ps), lcid, dwFlags, &V_BSTR(pd));
426 case VT_UI1: return VarBstrFromUI1(V_UI1(ps), lcid, dwFlags, &V_BSTR(pd));
427 case VT_UI2: return VarBstrFromUI2(V_UI2(ps), lcid, dwFlags, &V_BSTR(pd));
428 case VT_UI4: return VarBstrFromUI4(V_UI4(ps), lcid, dwFlags, &V_BSTR(pd));
429 case VT_I8: return VarBstrFromI8(V_I8(ps), lcid, dwFlags, &V_BSTR(pd));
430 case VT_UI8: return VarBstrFromUI8(V_UI8(ps), lcid, dwFlags, &V_BSTR(pd));
431 case VT_R4: return VarBstrFromR4(V_R4(ps), lcid, dwFlags, &V_BSTR(pd));
432 case VT_R8: return VarBstrFromR8(V_R8(ps), lcid, dwFlags, &V_BSTR(pd));
433 case VT_DATE: return VarBstrFromDate(V_DATE(ps), lcid, dwFlags, &V_BSTR(pd));
434 case VT_CY: return VarBstrFromCy(V_CY(ps), lcid, dwFlags, &V_BSTR(pd));
435 case VT_DECIMAL: return VarBstrFromDec(&V_DECIMAL(ps), lcid, dwFlags, &V_BSTR(pd));
436 case VT_DISPATCH: return VarBstrFromDisp(V_DISPATCH(ps), lcid, dwFlags, &V_BSTR(pd));
437 }
438 break;
439
440 case VT_CY:
441 switch (vtFrom)
442 {
443 case VT_EMPTY: V_CY(pd).int64 = 0; return S_OK;
444 case VT_I1: return VarCyFromI1(V_I1(ps), &V_CY(pd));
445 case VT_I2: return VarCyFromI2(V_I2(ps), &V_CY(pd));
446 case VT_I4: return VarCyFromI4(V_I4(ps), &V_CY(pd));
447 case VT_UI1: return VarCyFromUI1(V_UI1(ps), &V_CY(pd));
448 case VT_UI2: return VarCyFromUI2(V_UI2(ps), &V_CY(pd));
449 case VT_UI4: return VarCyFromUI4(V_UI4(ps), &V_CY(pd));
450 case VT_I8: return VarCyFromI8(V_I8(ps), &V_CY(pd));
451 case VT_UI8: return VarCyFromUI8(V_UI8(ps), &V_CY(pd));
452 case VT_R4: return VarCyFromR4(V_R4(ps), &V_CY(pd));
453 case VT_R8: return VarCyFromR8(V_R8(ps), &V_CY(pd));
454 case VT_DATE: return VarCyFromDate(V_DATE(ps), &V_CY(pd));
455 case VT_BOOL: return VarCyFromBool(V_BOOL(ps), &V_CY(pd));
456 case VT_DECIMAL: return VarCyFromDec(&V_DECIMAL(ps), &V_CY(pd));
457 case VT_DISPATCH: return VarCyFromDisp(V_DISPATCH(ps), lcid, &V_CY(pd));
458 case VT_BSTR: return VarCyFromStr(V_BSTR(ps), lcid, dwFlags, &V_CY(pd));
459 }
460 break;
461
462 case VT_DECIMAL:
463 switch (vtFrom)
464 {
465 case VT_EMPTY:
466 case VT_BOOL:
467 DEC_SIGNSCALE(&V_DECIMAL(pd)) = SIGNSCALE(DECIMAL_POS,0);
468 DEC_HI32(&V_DECIMAL(pd)) = 0;
469 DEC_MID32(&V_DECIMAL(pd)) = 0;
470 /* VarDecFromBool() coerces to -1/0, ChangeTypeEx() coerces to 1/0.
471 * VT_NULL and VT_EMPTY always give a 0 value.
472 */
473 DEC_LO32(&V_DECIMAL(pd)) = vtFrom == VT_BOOL && V_BOOL(ps) ? 1 : 0;
474 return S_OK;
475 case VT_I1: return VarDecFromI1(V_I1(ps), &V_DECIMAL(pd));
476 case VT_I2: return VarDecFromI2(V_I2(ps), &V_DECIMAL(pd));
477 case VT_I4: return VarDecFromI4(V_I4(ps), &V_DECIMAL(pd));
478 case VT_UI1: return VarDecFromUI1(V_UI1(ps), &V_DECIMAL(pd));
479 case VT_UI2: return VarDecFromUI2(V_UI2(ps), &V_DECIMAL(pd));
480 case VT_UI4: return VarDecFromUI4(V_UI4(ps), &V_DECIMAL(pd));
481 case VT_I8: return VarDecFromI8(V_I8(ps), &V_DECIMAL(pd));
482 case VT_UI8: return VarDecFromUI8(V_UI8(ps), &V_DECIMAL(pd));
483 case VT_R4: return VarDecFromR4(V_R4(ps), &V_DECIMAL(pd));
484 case VT_R8: return VarDecFromR8(V_R8(ps), &V_DECIMAL(pd));
485 case VT_DATE: return VarDecFromDate(V_DATE(ps), &V_DECIMAL(pd));
486 case VT_CY: return VarDecFromCy(V_CY(ps), &V_DECIMAL(pd));
487 case VT_DISPATCH: return VarDecFromDisp(V_DISPATCH(ps), lcid, &V_DECIMAL(pd));
488 case VT_BSTR: return VarDecFromStr(V_BSTR(ps), lcid, dwFlags, &V_DECIMAL(pd));
489 }
490 break;
491
492 case VT_UNKNOWN:
493 switch (vtFrom)
494 {
495 case VT_DISPATCH:
496 if (V_DISPATCH(ps) == NULL)
497 V_UNKNOWN(pd) = NULL;
498 else
499 res = IDispatch_QueryInterface(V_DISPATCH(ps), &IID_IUnknown, (LPVOID*)&V_UNKNOWN(pd));
500 break;
501 }
502 break;
503
504 case VT_DISPATCH:
505 switch (vtFrom)
506 {
507 case VT_UNKNOWN:
508 if (V_UNKNOWN(ps) == NULL)
509 V_DISPATCH(pd) = NULL;
510 else
511 res = IUnknown_QueryInterface(V_UNKNOWN(ps), &IID_IDispatch, (LPVOID*)&V_DISPATCH(pd));
512 break;
513 }
514 break;
515
516 case VT_RECORD:
517 break;
518 }
519 return res;
520 }
521
522 /* Coerce to/from an array */
523 static inline HRESULT VARIANT_CoerceArray(VARIANTARG* pd, VARIANTARG* ps, VARTYPE vt)
524 {
525 if (vt == VT_BSTR && V_VT(ps) == (VT_ARRAY|VT_UI1))
526 return BstrFromVector(V_ARRAY(ps), &V_BSTR(pd));
527
528 if (V_VT(ps) == VT_BSTR && vt == (VT_ARRAY|VT_UI1))
529 return VectorFromBstr(V_BSTR(ps), &V_ARRAY(ps));
530
531 if (V_VT(ps) == vt)
532 return SafeArrayCopy(V_ARRAY(ps), &V_ARRAY(pd));
533
534 return DISP_E_TYPEMISMATCH;
535 }
536
537 /******************************************************************************
538 * Check if a variants type is valid.
539 */
540 static inline HRESULT VARIANT_ValidateType(VARTYPE vt)
541 {
542 VARTYPE vtExtra = vt & VT_EXTRA_TYPE;
543
544 vt &= VT_TYPEMASK;
545
546 if (!(vtExtra & (VT_VECTOR|VT_RESERVED)))
547 {
548 if (vt < VT_VOID || vt == VT_RECORD || vt == VT_CLSID)
549 {
550 if ((vtExtra & (VT_BYREF|VT_ARRAY)) && vt <= VT_NULL)
551 return DISP_E_BADVARTYPE;
552 if (vt != (VARTYPE)15)
553 return S_OK;
554 }
555 }
556 return DISP_E_BADVARTYPE;
557 }
558
559 /******************************************************************************
560 * VariantInit [OLEAUT32.8]
561 *
562 * Initialise a variant.
563 *
564 * PARAMS
565 * pVarg [O] Variant to initialise
566 *
567 * RETURNS
568 * Nothing.
569 *
570 * NOTES
571 * This function simply sets the type of the variant to VT_EMPTY. It does not
572 * free any existing value, use VariantClear() for that.
573 */
574 void WINAPI VariantInit(VARIANTARG* pVarg)
575 {
576 TRACE("(%p)\n", pVarg);
577
578 V_VT(pVarg) = VT_EMPTY; /* Native doesn't set any other fields */
579 }
580
581 HRESULT VARIANT_ClearInd(VARIANTARG *pVarg)
582 {
583 HRESULT hres;
584
585 TRACE("(%p->(%s%s))\n", pVarg, debugstr_VT(pVarg), debugstr_VF(pVarg));
586
587 hres = VARIANT_ValidateType(V_VT(pVarg));
588 if (FAILED(hres))
589 return hres;
590
591 switch (V_VT(pVarg))
592 {
593 case VT_DISPATCH:
594 case VT_UNKNOWN:
595 if (V_UNKNOWN(pVarg))
596 IUnknown_Release(V_UNKNOWN(pVarg));
597 break;
598 case VT_UNKNOWN | VT_BYREF:
599 case VT_DISPATCH | VT_BYREF:
600 if(*V_UNKNOWNREF(pVarg))
601 IUnknown_Release(*V_UNKNOWNREF(pVarg));
602 break;
603 case VT_BSTR:
604 SysFreeString(V_BSTR(pVarg));
605 break;
606 case VT_BSTR | VT_BYREF:
607 SysFreeString(*V_BSTRREF(pVarg));
608 break;
609 case VT_VARIANT | VT_BYREF:
610 VariantClear(V_VARIANTREF(pVarg));
611 break;
612 case VT_RECORD:
613 case VT_RECORD | VT_BYREF:
614 {
615 struct __tagBRECORD* pBr = &V_UNION(pVarg,brecVal);
616 if (pBr->pRecInfo)
617 {
618 IRecordInfo_RecordClear(pBr->pRecInfo, pBr->pvRecord);
619 IRecordInfo_Release(pBr->pRecInfo);
620 }
621 break;
622 }
623 default:
624 if (V_ISARRAY(pVarg) || (V_VT(pVarg) & ~VT_BYREF) == VT_SAFEARRAY)
625 {
626 if (V_ISBYREF(pVarg))
627 {
628 if (*V_ARRAYREF(pVarg))
629 hres = SafeArrayDestroy(*V_ARRAYREF(pVarg));
630 }
631 else if (V_ARRAY(pVarg))
632 hres = SafeArrayDestroy(V_ARRAY(pVarg));
633 }
634 break;
635 }
636
637 V_VT(pVarg) = VT_EMPTY;
638 return hres;
639 }
640
641 /******************************************************************************
642 * VariantClear [OLEAUT32.9]
643 *
644 * Clear a variant.
645 *
646 * PARAMS
647 * pVarg [I/O] Variant to clear
648 *
649 * RETURNS
650 * Success: S_OK. Any previous value in pVarg is freed and its type is set to VT_EMPTY.
651 * Failure: DISP_E_BADVARTYPE, if the variant is not a valid variant type.
652 */
653 HRESULT WINAPI VariantClear(VARIANTARG* pVarg)
654 {
655 HRESULT hres = S_OK;
656
657 TRACE("(%p->(%s%s))\n", pVarg, debugstr_VT(pVarg), debugstr_VF(pVarg));
658
659 hres = VARIANT_ValidateType(V_VT(pVarg));
660
661 if (SUCCEEDED(hres))
662 {
663 if (!V_ISBYREF(pVarg))
664 {
665 if (V_ISARRAY(pVarg) || V_VT(pVarg) == VT_SAFEARRAY)
666 {
667 if (V_ARRAY(pVarg))
668 hres = SafeArrayDestroy(V_ARRAY(pVarg));
669 }
670 else if (V_VT(pVarg) == VT_BSTR)
671 {
672 SysFreeString(V_BSTR(pVarg));
673 }
674 else if (V_VT(pVarg) == VT_RECORD)
675 {
676 struct __tagBRECORD* pBr = &V_UNION(pVarg,brecVal);
677 if (pBr->pRecInfo)
678 {
679 IRecordInfo_RecordClear(pBr->pRecInfo, pBr->pvRecord);
680 IRecordInfo_Release(pBr->pRecInfo);
681 }
682 }
683 else if (V_VT(pVarg) == VT_DISPATCH ||
684 V_VT(pVarg) == VT_UNKNOWN)
685 {
686 if (V_UNKNOWN(pVarg))
687 IUnknown_Release(V_UNKNOWN(pVarg));
688 }
689 }
690 V_VT(pVarg) = VT_EMPTY;
691 }
692 return hres;
693 }
694
695 /******************************************************************************
696 * Copy an IRecordInfo object contained in a variant.
697 */
698 static HRESULT VARIANT_CopyIRecordInfo(struct __tagBRECORD* pBr)
699 {
700 HRESULT hres = S_OK;
701
702 if (pBr->pRecInfo)
703 {
704 ULONG ulSize;
705
706 hres = IRecordInfo_GetSize(pBr->pRecInfo, &ulSize);
707 if (SUCCEEDED(hres))
708 {
709 PVOID pvRecord = HeapAlloc(GetProcessHeap(), 0, ulSize);
710 if (!pvRecord)
711 hres = E_OUTOFMEMORY;
712 else
713 {
714 memcpy(pvRecord, pBr->pvRecord, ulSize);
715 pBr->pvRecord = pvRecord;
716
717 hres = IRecordInfo_RecordCopy(pBr->pRecInfo, pvRecord, pvRecord);
718 if (SUCCEEDED(hres))
719 IRecordInfo_AddRef(pBr->pRecInfo);
720 }
721 }
722 }
723 else if (pBr->pvRecord)
724 hres = E_INVALIDARG;
725 return hres;
726 }
727
728 /******************************************************************************
729 * VariantCopy [OLEAUT32.10]
730 *
731 * Copy a variant.
732 *
733 * PARAMS
734 * pvargDest [O] Destination for copy
735 * pvargSrc [I] Source variant to copy
736 *
737 * RETURNS
738 * Success: S_OK. pvargDest contains a copy of pvargSrc.
739 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid type.
740 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
741 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
742 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
743 *
744 * NOTES
745 * - If pvargSrc == pvargDest, this function does nothing, and succeeds if
746 * pvargSrc is valid. Otherwise, pvargDest is always cleared using
747 * VariantClear() before pvargSrc is copied to it. If clearing pvargDest
748 * fails, so does this function.
749 * - VT_CLSID is a valid type type for pvargSrc, but not for pvargDest.
750 * - For by-value non-intrinsic types, a deep copy is made, i.e. The whole value
751 * is copied rather than just any pointers to it.
752 * - For by-value object types the object pointer is copied and the objects
753 * reference count increased using IUnknown_AddRef().
754 * - For all by-reference types, only the referencing pointer is copied.
755 */
756 HRESULT WINAPI VariantCopy(VARIANTARG* pvargDest, VARIANTARG* pvargSrc)
757 {
758 HRESULT hres = S_OK;
759
760 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
761 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
762 debugstr_VF(pvargSrc));
763
764 if (V_TYPE(pvargSrc) == VT_CLSID || /* VT_CLSID is a special case */
765 FAILED(VARIANT_ValidateType(V_VT(pvargSrc))))
766 return DISP_E_BADVARTYPE;
767
768 if (pvargSrc != pvargDest &&
769 SUCCEEDED(hres = VariantClear(pvargDest)))
770 {
771 *pvargDest = *pvargSrc; /* Shallow copy the value */
772
773 if (!V_ISBYREF(pvargSrc))
774 {
775 if (V_ISARRAY(pvargSrc))
776 {
777 if (V_ARRAY(pvargSrc))
778 hres = SafeArrayCopy(V_ARRAY(pvargSrc), &V_ARRAY(pvargDest));
779 }
780 else if (V_VT(pvargSrc) == VT_BSTR)
781 {
782 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)V_BSTR(pvargSrc), SysStringByteLen(V_BSTR(pvargSrc)));
783 if (!V_BSTR(pvargDest))
784 {
785 TRACE("!V_BSTR(pvargDest), SysAllocStringByteLen() failed to allocate %d bytes\n", SysStringByteLen(V_BSTR(pvargSrc)));
786 hres = E_OUTOFMEMORY;
787 }
788 }
789 else if (V_VT(pvargSrc) == VT_RECORD)
790 {
791 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
792 }
793 else if (V_VT(pvargSrc) == VT_DISPATCH ||
794 V_VT(pvargSrc) == VT_UNKNOWN)
795 {
796 if (V_UNKNOWN(pvargSrc))
797 IUnknown_AddRef(V_UNKNOWN(pvargSrc));
798 }
799 }
800 }
801 return hres;
802 }
803
804 /* Return the byte size of a variants data */
805 static inline size_t VARIANT_DataSize(const VARIANT* pv)
806 {
807 switch (V_TYPE(pv))
808 {
809 case VT_I1:
810 case VT_UI1: return sizeof(BYTE);
811 case VT_I2:
812 case VT_UI2: return sizeof(SHORT);
813 case VT_INT:
814 case VT_UINT:
815 case VT_I4:
816 case VT_UI4: return sizeof(LONG);
817 case VT_I8:
818 case VT_UI8: return sizeof(LONGLONG);
819 case VT_R4: return sizeof(float);
820 case VT_R8: return sizeof(double);
821 case VT_DATE: return sizeof(DATE);
822 case VT_BOOL: return sizeof(VARIANT_BOOL);
823 case VT_DISPATCH:
824 case VT_UNKNOWN:
825 case VT_BSTR: return sizeof(void*);
826 case VT_CY: return sizeof(CY);
827 case VT_ERROR: return sizeof(SCODE);
828 }
829 TRACE("Shouldn't be called for vt %s%s!\n", debugstr_VT(pv), debugstr_VF(pv));
830 return 0;
831 }
832
833 /******************************************************************************
834 * VariantCopyInd [OLEAUT32.11]
835 *
836 * Copy a variant, dereferencing it if it is by-reference.
837 *
838 * PARAMS
839 * pvargDest [O] Destination for copy
840 * pvargSrc [I] Source variant to copy
841 *
842 * RETURNS
843 * Success: S_OK. pvargDest contains a copy of pvargSrc.
844 * Failure: An HRESULT error code indicating the error.
845 *
846 * NOTES
847 * Failure: DISP_E_BADVARTYPE, if either variant has an invalid by-value type.
848 * E_INVALIDARG, if pvargSrc is an invalid by-reference type.
849 * E_OUTOFMEMORY, if memory cannot be allocated. Otherwise an
850 * HRESULT error code from SafeArrayCopy(), IRecordInfo_GetSize(),
851 * or IRecordInfo_RecordCopy(), depending on the type of pvargSrc.
852 *
853 * NOTES
854 * - If pvargSrc is by-value, this function behaves exactly as VariantCopy().
855 * - If pvargSrc is by-reference, the value copied to pvargDest is the pointed-to
856 * value.
857 * - if pvargSrc == pvargDest, this function dereferences in place. Otherwise,
858 * pvargDest is always cleared using VariantClear() before pvargSrc is copied
859 * to it. If clearing pvargDest fails, so does this function.
860 */
861 HRESULT WINAPI VariantCopyInd(VARIANT* pvargDest, VARIANTARG* pvargSrc)
862 {
863 VARIANTARG vTmp, *pSrc = pvargSrc;
864 VARTYPE vt;
865 HRESULT hres = S_OK;
866
867 TRACE("(%p->(%s%s),%p->(%s%s))\n", pvargDest, debugstr_VT(pvargDest),
868 debugstr_VF(pvargDest), pvargSrc, debugstr_VT(pvargSrc),
869 debugstr_VF(pvargSrc));
870
871 if (!V_ISBYREF(pvargSrc))
872 return VariantCopy(pvargDest, pvargSrc);
873
874 /* Argument checking is more lax than VariantCopy()... */
875 vt = V_TYPE(pvargSrc);
876 if (V_ISARRAY(pvargSrc) ||
877 (vt > VT_NULL && vt != (VARTYPE)15 && vt < VT_VOID &&
878 !(V_VT(pvargSrc) & (VT_VECTOR|VT_RESERVED))))
879 {
880 /* OK */
881 }
882 else
883 return E_INVALIDARG; /* ...And the return value for invalid types differs too */
884
885 if (pvargSrc == pvargDest)
886 {
887 /* In place copy. Use a shallow copy of pvargSrc & init pvargDest.
888 * This avoids an expensive VariantCopy() call - e.g. SafeArrayCopy().
889 */
890 vTmp = *pvargSrc;
891 pSrc = &vTmp;
892 V_VT(pvargDest) = VT_EMPTY;
893 }
894 else
895 {
896 /* Copy into another variant. Free the variant in pvargDest */
897 if (FAILED(hres = VariantClear(pvargDest)))
898 {
899 TRACE("VariantClear() of destination failed\n");
900 return hres;
901 }
902 }
903
904 if (V_ISARRAY(pSrc))
905 {
906 /* Native doesn't check that *V_ARRAYREF(pSrc) is valid */
907 hres = SafeArrayCopy(*V_ARRAYREF(pSrc), &V_ARRAY(pvargDest));
908 }
909 else if (V_VT(pSrc) == (VT_BSTR|VT_BYREF))
910 {
911 /* Native doesn't check that *V_BSTRREF(pSrc) is valid */
912 V_BSTR(pvargDest) = SysAllocStringByteLen((char*)*V_BSTRREF(pSrc), SysStringByteLen(*V_BSTRREF(pSrc)));
913 }
914 else if (V_VT(pSrc) == (VT_RECORD|VT_BYREF))
915 {
916 V_UNION(pvargDest,brecVal) = V_UNION(pvargSrc,brecVal);
917 hres = VARIANT_CopyIRecordInfo(&V_UNION(pvargDest,brecVal));
918 }
919 else if (V_VT(pSrc) == (VT_DISPATCH|VT_BYREF) ||
920 V_VT(pSrc) == (VT_UNKNOWN|VT_BYREF))
921 {
922 /* Native doesn't check that *V_UNKNOWNREF(pSrc) is valid */
923 V_UNKNOWN(pvargDest) = *V_UNKNOWNREF(pSrc);
924 if (*V_UNKNOWNREF(pSrc))
925 IUnknown_AddRef(*V_UNKNOWNREF(pSrc));
926 }
927 else if (V_VT(pSrc) == (VT_VARIANT|VT_BYREF))
928 {
929 /* Native doesn't check that *V_VARIANTREF(pSrc) is valid */
930 if (V_VT(V_VARIANTREF(pSrc)) == (VT_VARIANT|VT_BYREF))
931 hres = E_INVALIDARG; /* Don't dereference more than one level */
932 else
933 hres = VariantCopyInd(pvargDest, V_VARIANTREF(pSrc));
934
935 /* Use the dereferenced variants type value, not VT_VARIANT */
936 goto VariantCopyInd_Return;
937 }
938 else if (V_VT(pSrc) == (VT_DECIMAL|VT_BYREF))
939 {
940 memcpy(&DEC_SCALE(&V_DECIMAL(pvargDest)), &DEC_SCALE(V_DECIMALREF(pSrc)),
941 sizeof(DECIMAL) - sizeof(USHORT));
942 }
943 else
944 {
945 /* Copy the pointed to data into this variant */
946 memcpy(&V_BYREF(pvargDest), V_BYREF(pSrc), VARIANT_DataSize(pSrc));
947 }
948
949 V_VT(pvargDest) = V_VT(pSrc) & ~VT_BYREF;
950
951 VariantCopyInd_Return:
952
953 if (pSrc != pvargSrc)
954 VariantClear(pSrc);
955
956 TRACE("returning 0x%08x, %p->(%s%s)\n", hres, pvargDest,
957 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
958 return hres;
959 }
960
961 /******************************************************************************
962 * VariantChangeType [OLEAUT32.12]
963 *
964 * Change the type of a variant.
965 *
966 * PARAMS
967 * pvargDest [O] Destination for the converted variant
968 * pvargSrc [O] Source variant to change the type of
969 * wFlags [I] VARIANT_ flags from "oleauto.h"
970 * vt [I] Variant type to change pvargSrc into
971 *
972 * RETURNS
973 * Success: S_OK. pvargDest contains the converted value.
974 * Failure: An HRESULT error code describing the failure.
975 *
976 * NOTES
977 * The LCID used for the conversion is LOCALE_USER_DEFAULT.
978 * See VariantChangeTypeEx.
979 */
980 HRESULT WINAPI VariantChangeType(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
981 USHORT wFlags, VARTYPE vt)
982 {
983 return VariantChangeTypeEx( pvargDest, pvargSrc, LOCALE_USER_DEFAULT, wFlags, vt );
984 }
985
986 /******************************************************************************
987 * VariantChangeTypeEx [OLEAUT32.147]
988 *
989 * Change the type of a variant.
990 *
991 * PARAMS
992 * pvargDest [O] Destination for the converted variant
993 * pvargSrc [O] Source variant to change the type of
994 * lcid [I] LCID for the conversion
995 * wFlags [I] VARIANT_ flags from "oleauto.h"
996 * vt [I] Variant type to change pvargSrc into
997 *
998 * RETURNS
999 * Success: S_OK. pvargDest contains the converted value.
1000 * Failure: An HRESULT error code describing the failure.
1001 *
1002 * NOTES
1003 * pvargDest and pvargSrc can point to the same variant to perform an in-place
1004 * conversion. If the conversion is successful, pvargSrc will be freed.
1005 */
1006 HRESULT WINAPI VariantChangeTypeEx(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
1007 LCID lcid, USHORT wFlags, VARTYPE vt)
1008 {
1009 HRESULT res = S_OK;
1010
1011 TRACE("(%p->(%s%s),%p->(%s%s),0x%08x,0x%04x,%s%s)\n", pvargDest,
1012 debugstr_VT(pvargDest), debugstr_VF(pvargDest), pvargSrc,
1013 debugstr_VT(pvargSrc), debugstr_VF(pvargSrc), lcid, wFlags,
1014 debugstr_vt(vt), debugstr_vf(vt));
1015
1016 if (vt == VT_CLSID)
1017 res = DISP_E_BADVARTYPE;
1018 else
1019 {
1020 res = VARIANT_ValidateType(V_VT(pvargSrc));
1021
1022 if (SUCCEEDED(res))
1023 {
1024 res = VARIANT_ValidateType(vt);
1025
1026 if (SUCCEEDED(res))
1027 {
1028 VARIANTARG vTmp, vSrcDeref;
1029
1030 if(V_ISBYREF(pvargSrc) && !V_BYREF(pvargSrc))
1031 res = DISP_E_TYPEMISMATCH;
1032 else
1033 {
1034 V_VT(&vTmp) = VT_EMPTY;
1035 V_VT(&vSrcDeref) = VT_EMPTY;
1036 VariantClear(&vTmp);
1037 VariantClear(&vSrcDeref);
1038 }
1039
1040 if (SUCCEEDED(res))
1041 {
1042 res = VariantCopyInd(&vSrcDeref, pvargSrc);
1043 if (SUCCEEDED(res))
1044 {
1045 if (V_ISARRAY(&vSrcDeref) || (vt & VT_ARRAY))
1046 res = VARIANT_CoerceArray(&vTmp, &vSrcDeref, vt);
1047 else
1048 res = VARIANT_Coerce(&vTmp, lcid, wFlags, &vSrcDeref, vt);
1049
1050 if (SUCCEEDED(res)) {
1051 V_VT(&vTmp) = vt;
1052 VariantCopy(pvargDest, &vTmp);
1053 }
1054 VariantClear(&vTmp);
1055 VariantClear(&vSrcDeref);
1056 }
1057 }
1058 }
1059 }
1060 }
1061
1062 TRACE("returning 0x%08x, %p->(%s%s)\n", res, pvargDest,
1063 debugstr_VT(pvargDest), debugstr_VF(pvargDest));
1064 return res;
1065 }
1066
1067 /* Date Conversions */
1068
1069 #define IsLeapYear(y) (((y % 4) == 0) && (((y % 100) != 0) || ((y % 400) == 0)))
1070
1071 /* Convert a VT_DATE value to a Julian Date */
1072 static inline int VARIANT_JulianFromDate(int dateIn)
1073 {
1074 int julianDays = dateIn;
1075
1076 julianDays -= DATE_MIN; /* Convert to + days from 1 Jan 100 AD */
1077 julianDays += 1757585; /* Convert to + days from 23 Nov 4713 BC (Julian) */
1078 return julianDays;
1079 }
1080
1081 /* Convert a Julian Date to a VT_DATE value */
1082 static inline int VARIANT_DateFromJulian(int dateIn)
1083 {
1084 int julianDays = dateIn;
1085
1086 julianDays -= 1757585; /* Convert to + days from 1 Jan 100 AD */
1087 julianDays += DATE_MIN; /* Convert to +/- days from 1 Jan 1899 AD */
1088 return julianDays;
1089 }
1090
1091 /* Convert a Julian date to Day/Month/Year - from PostgreSQL */
1092 static inline void VARIANT_DMYFromJulian(int jd, USHORT *year, USHORT *month, USHORT *day)
1093 {
1094 int j, i, l, n;
1095
1096 l = jd + 68569;
1097 n = l * 4 / 146097;
1098 l -= (n * 146097 + 3) / 4;
1099 i = (4000 * (l + 1)) / 1461001;
1100 l += 31 - (i * 1461) / 4;
1101 j = (l * 80) / 2447;
1102 *day = l - (j * 2447) / 80;
1103 l = j / 11;
1104 *month = (j + 2) - (12 * l);
1105 *year = 100 * (n - 49) + i + l;
1106 }
1107
1108 /* Convert Day/Month/Year to a Julian date - from PostgreSQL */
1109 static inline double VARIANT_JulianFromDMY(USHORT year, USHORT month, USHORT day)
1110 {
1111 int m12 = (month - 14) / 12;
1112
1113 return ((1461 * (year + 4800 + m12)) / 4 + (367 * (month - 2 - 12 * m12)) / 12 -
1114 (3 * ((year + 4900 + m12) / 100)) / 4 + day - 32075);
1115 }
1116
1117 /* Macros for accessing DOS format date/time fields */
1118 #define DOS_YEAR(x) (1980 + (x >> 9))
1119 #define DOS_MONTH(x) ((x >> 5) & 0xf)
1120 #define DOS_DAY(x) (x & 0x1f)
1121 #define DOS_HOUR(x) (x >> 11)
1122 #define DOS_MINUTE(x) ((x >> 5) & 0x3f)
1123 #define DOS_SECOND(x) ((x & 0x1f) << 1)
1124 /* Create a DOS format date/time */
1125 #define DOS_DATE(d,m,y) (d | (m << 5) | ((y-1980) << 9))
1126 #define DOS_TIME(h,m,s) ((s >> 1) | (m << 5) | (h << 11))
1127
1128 /* Roll a date forwards or backwards to correct it */
1129 static HRESULT VARIANT_RollUdate(UDATE *lpUd)
1130 {
1131 static const BYTE days[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
1132 short iYear, iMonth, iDay, iHour, iMinute, iSecond;
1133
1134 /* interpret values signed */
1135 iYear = lpUd->st.wYear;
1136 iMonth = lpUd->st.wMonth;
1137 iDay = lpUd->st.wDay;
1138 iHour = lpUd->st.wHour;
1139 iMinute = lpUd->st.wMinute;
1140 iSecond = lpUd->st.wSecond;
1141
1142 TRACE("Raw date: %d/%d/%d %d:%d:%d\n", iDay, iMonth,
1143 iYear, iHour, iMinute, iSecond);
1144
1145 if (iYear > 9999 || iYear < -9999)
1146 return E_INVALIDARG; /* Invalid value */
1147 /* Years < 100 are treated as 1900 + year */
1148 if (iYear > 0 && iYear < 100)
1149 iYear += 1900;
1150
1151 iMinute += iSecond / 60;
1152 iSecond = iSecond % 60;
1153 iHour += iMinute / 60;
1154 iMinute = iMinute % 60;
1155 iDay += iHour / 24;
1156 iHour = iHour % 24;
1157 iYear += iMonth / 12;
1158 iMonth = iMonth % 12;
1159 if (iMonth<=0) {iMonth+=12; iYear--;}
1160 while (iDay > days[iMonth])
1161 {
1162 if (iMonth == 2 && IsLeapYear(iYear))
1163 iDay -= 29;
1164 else
1165 iDay -= days[iMonth];
1166 iMonth++;
1167 iYear += iMonth / 12;
1168 iMonth = iMonth % 12;
1169 }
1170 while (iDay <= 0)
1171 {
1172 iMonth--;
1173 if (iMonth<=0) {iMonth+=12; iYear--;}
1174 if (iMonth == 2 && IsLeapYear(iYear))
1175 iDay += 29;
1176 else
1177 iDay += days[iMonth];
1178 }
1179
1180 if (iSecond<0){iSecond+=60; iMinute--;}
1181 if (iMinute<0){iMinute+=60; iHour--;}
1182 if (iHour<0) {iHour+=24; iDay--;}
1183 if (iYear<=0) iYear+=2000;
1184
1185 lpUd->st.wYear = iYear;
1186 lpUd->st.wMonth = iMonth;
1187 lpUd->st.wDay = iDay;
1188 lpUd->st.wHour = iHour;
1189 lpUd->st.wMinute = iMinute;
1190 lpUd->st.wSecond = iSecond;
1191
1192 TRACE("Rolled date: %d/%d/%d %d:%d:%d\n", lpUd->st.wDay, lpUd->st.wMonth,
1193 lpUd->st.wYear, lpUd->st.wHour, lpUd->st.wMinute, lpUd->st.wSecond);
1194 return S_OK;
1195 }
1196
1197 /**********************************************************************
1198 * DosDateTimeToVariantTime [OLEAUT32.14]
1199 *
1200 * Convert a Dos format date and time into variant VT_DATE format.
1201 *
1202 * PARAMS
1203 * wDosDate [I] Dos format date
1204 * wDosTime [I] Dos format time
1205 * pDateOut [O] Destination for VT_DATE format
1206 *
1207 * RETURNS
1208 * Success: TRUE. pDateOut contains the converted time.
1209 * Failure: FALSE, if wDosDate or wDosTime are invalid (see notes).
1210 *
1211 * NOTES
1212 * - Dos format dates can only hold dates from 1-Jan-1980 to 31-Dec-2099.
1213 * - Dos format times are accurate to only 2 second precision.
1214 * - The format of a Dos Date is:
1215 *| Bits Values Meaning
1216 *| ---- ------ -------
1217 *| 0-4 1-31 Day of the week. 0 rolls back one day. A value greater than
1218 *| the days in the month rolls forward the extra days.
1219 *| 5-8 1-12 Month of the year. 0 rolls back to December of the previous
1220 *| year. 13-15 are invalid.
1221 *| 9-15 0-119 Year based from 1980 (Max 2099). 120-127 are invalid.
1222 * - The format of a Dos Time is:
1223 *| Bits Values Meaning
1224 *| ---- ------ -------
1225 *| 0-4 0-29 Seconds/2. 30 and 31 are invalid.
1226 *| 5-10 0-59 Minutes. 60-63 are invalid.
1227 *| 11-15 0-23 Hours (24 hour clock). 24-32 are invalid.
1228 */
1229 INT WINAPI DosDateTimeToVariantTime(USHORT wDosDate, USHORT wDosTime,
1230 double *pDateOut)
1231 {
1232 UDATE ud;
1233
1234 TRACE("(0x%x(%d/%d/%d),0x%x(%d:%d:%d),%p)\n",
1235 wDosDate, DOS_YEAR(wDosDate), DOS_MONTH(wDosDate), DOS_DAY(wDosDate),
1236 wDosTime, DOS_HOUR(wDosTime), DOS_MINUTE(wDosTime), DOS_SECOND(wDosTime),
1237 pDateOut);
1238
1239 ud.st.wYear = DOS_YEAR(wDosDate);
1240 ud.st.wMonth = DOS_MONTH(wDosDate);
1241 if (ud.st.wYear > 2099 || ud.st.wMonth > 12)
1242 return FALSE;
1243 ud.st.wDay = DOS_DAY(wDosDate);
1244 ud.st.wHour = DOS_HOUR(wDosTime);
1245 ud.st.wMinute = DOS_MINUTE(wDosTime);
1246 ud.st.wSecond = DOS_SECOND(wDosTime);
1247 ud.st.wDayOfWeek = ud.st.wMilliseconds = 0;
1248 if (ud.st.wHour > 23 || ud.st.wMinute > 59 || ud.st.wSecond > 59)
1249 return FALSE; /* Invalid values in Dos*/
1250
1251 return VarDateFromUdate(&ud, 0, pDateOut) == S_OK;
1252 }
1253
1254 /**********************************************************************
1255 * VariantTimeToDosDateTime [OLEAUT32.13]
1256 *
1257 * Convert a variant format date into a Dos format date and time.
1258 *
1259 * dateIn [I] VT_DATE time format
1260 * pwDosDate [O] Destination for Dos format date
1261 * pwDosTime [O] Destination for Dos format time
1262 *
1263 * RETURNS
1264 * Success: TRUE. pwDosDate and pwDosTime contains the converted values.
1265 * Failure: FALSE, if dateIn cannot be represented in Dos format.
1266 *
1267 * NOTES
1268 * See DosDateTimeToVariantTime() for Dos format details and bugs.
1269 */
1270 INT WINAPI VariantTimeToDosDateTime(double dateIn, USHORT *pwDosDate, USHORT *pwDosTime)
1271 {
1272 UDATE ud;
1273
1274 TRACE("(%g,%p,%p)\n", dateIn, pwDosDate, pwDosTime);
1275
1276 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1277 return FALSE;
1278
1279 if (ud.st.wYear < 1980 || ud.st.wYear > 2099)
1280 return FALSE;
1281
1282 *pwDosDate = DOS_DATE(ud.st.wDay, ud.st.wMonth, ud.st.wYear);
1283 *pwDosTime = DOS_TIME(ud.st.wHour, ud.st.wMinute, ud.st.wSecond);
1284
1285 TRACE("Returning 0x%x(%d/%d/%d), 0x%x(%d:%d:%d)\n",
1286 *pwDosDate, DOS_YEAR(*pwDosDate), DOS_MONTH(*pwDosDate), DOS_DAY(*pwDosDate),
1287 *pwDosTime, DOS_HOUR(*pwDosTime), DOS_MINUTE(*pwDosTime), DOS_SECOND(*pwDosTime));
1288 return TRUE;
1289 }
1290
1291 /***********************************************************************
1292 * SystemTimeToVariantTime [OLEAUT32.184]
1293 *
1294 * Convert a System format date and time into variant VT_DATE format.
1295 *
1296 * PARAMS
1297 * lpSt [I] System format date and time
1298 * pDateOut [O] Destination for VT_DATE format date
1299 *
1300 * RETURNS
1301 * Success: TRUE. *pDateOut contains the converted value.
1302 * Failure: FALSE, if lpSt cannot be represented in VT_DATE format.
1303 */
1304 INT WINAPI SystemTimeToVariantTime(LPSYSTEMTIME lpSt, double *pDateOut)
1305 {
1306 UDATE ud;
1307
1308 TRACE("(%p->%d/%d/%d %d:%d:%d,%p)\n", lpSt, lpSt->wDay, lpSt->wMonth,
1309 lpSt->wYear, lpSt->wHour, lpSt->wMinute, lpSt->wSecond, pDateOut);
1310
1311 if (lpSt->wMonth > 12)
1312 return FALSE;
1313
1314 ud.st = *lpSt;
1315 return VarDateFromUdate(&ud, 0, pDateOut) == S_OK;
1316 }
1317
1318 /***********************************************************************
1319 * VariantTimeToSystemTime [OLEAUT32.185]
1320 *
1321 * Convert a variant VT_DATE into a System format date and time.
1322 *
1323 * PARAMS
1324 * datein [I] Variant VT_DATE format date
1325 * lpSt [O] Destination for System format date and time
1326 *
1327 * RETURNS
1328 * Success: TRUE. *lpSt contains the converted value.
1329 * Failure: FALSE, if dateIn is too large or small.
1330 */
1331 INT WINAPI VariantTimeToSystemTime(double dateIn, LPSYSTEMTIME lpSt)
1332 {
1333 UDATE ud;
1334
1335 TRACE("(%g,%p)\n", dateIn, lpSt);
1336
1337 if (FAILED(VarUdateFromDate(dateIn, 0, &ud)))
1338 return FALSE;
1339
1340 *lpSt = ud.st;
1341 return TRUE;
1342 }
1343
1344 /***********************************************************************
1345 * VarDateFromUdateEx [OLEAUT32.319]
1346 *
1347 * Convert an unpacked format date and time to a variant VT_DATE.
1348 *
1349 * PARAMS
1350 * pUdateIn [I] Unpacked format date and time to convert
1351 * lcid [I] Locale identifier for the conversion
1352 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1353 * pDateOut [O] Destination for variant VT_DATE.
1354 *
1355 * RETURNS
1356 * Success: S_OK. *pDateOut contains the converted value.
1357 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1358 */
1359 HRESULT WINAPI VarDateFromUdateEx(UDATE *pUdateIn, LCID lcid, ULONG dwFlags, DATE *pDateOut)
1360 {
1361 UDATE ud;
1362 double dateVal;
1363
1364 TRACE("(%p->%d/%d/%d %d:%d:%d:%d %d %d,0x%08x,0x%08x,%p)\n", pUdateIn,
1365 pUdateIn->st.wMonth, pUdateIn->st.wDay, pUdateIn->st.wYear,
1366 pUdateIn->st.wHour, pUdateIn->st.wMinute, pUdateIn->st.wSecond,
1367 pUdateIn->st.wMilliseconds, pUdateIn->st.wDayOfWeek,
1368 pUdateIn->wDayOfYear, lcid, dwFlags, pDateOut);
1369
1370 if (lcid != MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT))
1371 FIXME("lcid possibly not handled, treating as en-us\n");
1372
1373 ud = *pUdateIn;
1374
1375 if (dwFlags & VAR_VALIDDATE)
1376 WARN("Ignoring VAR_VALIDDATE\n");
1377
1378 if (FAILED(VARIANT_RollUdate(&ud)))
1379 return E_INVALIDARG;
1380
1381 /* Date */
1382 dateVal = VARIANT_DateFromJulian(VARIANT_JulianFromDMY(ud.st.wYear, ud.st.wMonth, ud.st.wDay));
1383
1384 /* Time */
1385 dateVal += ud.st.wHour / 24.0;
1386 dateVal += ud.st.wMinute / 1440.0;
1387 dateVal += ud.st.wSecond / 86400.0;
1388
1389 TRACE("Returning %g\n", dateVal);
1390 *pDateOut = dateVal;
1391 return S_OK;
1392 }
1393
1394 /***********************************************************************
1395 * VarDateFromUdate [OLEAUT32.330]
1396 *
1397 * Convert an unpacked format date and time to a variant VT_DATE.
1398 *
1399 * PARAMS
1400 * pUdateIn [I] Unpacked format date and time to convert
1401 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1402 * pDateOut [O] Destination for variant VT_DATE.
1403 *
1404 * RETURNS
1405 * Success: S_OK. *pDateOut contains the converted value.
1406 * Failure: E_INVALIDARG, if pUdateIn cannot be represented in VT_DATE format.
1407 *
1408 * NOTES
1409 * This function uses the United States English locale for the conversion. Use
1410 * VarDateFromUdateEx() for alternate locales.
1411 */
1412 HRESULT WINAPI VarDateFromUdate(UDATE *pUdateIn, ULONG dwFlags, DATE *pDateOut)
1413 {
1414 LCID lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
1415
1416 return VarDateFromUdateEx(pUdateIn, lcid, dwFlags, pDateOut);
1417 }
1418
1419 /***********************************************************************
1420 * VarUdateFromDate [OLEAUT32.331]
1421 *
1422 * Convert a variant VT_DATE into an unpacked format date and time.
1423 *
1424 * PARAMS
1425 * datein [I] Variant VT_DATE format date
1426 * dwFlags [I] Flags controlling the conversion (VAR_ flags from "oleauto.h")
1427 * lpUdate [O] Destination for unpacked format date and time
1428 *
1429 * RETURNS
1430 * Success: S_OK. *lpUdate contains the converted value.
1431 * Failure: E_INVALIDARG, if dateIn is too large or small.
1432 */
1433 HRESULT WINAPI VarUdateFromDate(DATE dateIn, ULONG dwFlags, UDATE *lpUdate)
1434 {
1435 /* Cumulative totals of days per month */
1436 static const USHORT cumulativeDays[] =
1437 {
1438 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
1439 };
1440 double datePart, timePart;
1441 int julianDays;
1442
1443 TRACE("(%g,0x%08x,%p)\n", dateIn, dwFlags, lpUdate);
1444
1445 if (dateIn <= (DATE_MIN - 1.0) || dateIn >= (DATE_MAX + 1.0))
1446 return E_INVALIDARG;
1447
1448 datePart = dateIn < 0.0 ? ceil(dateIn) : floor(dateIn);
1449 /* Compensate for int truncation (always downwards) */
1450 timePart = dateIn - datePart + 0.00000000001;
1451 if (timePart >= 1.0)
1452 timePart -= 0.00000000001;
1453
1454 /* Date */
1455 julianDays = VARIANT_JulianFromDate(dateIn);
1456 VARIANT_DMYFromJulian(julianDays, &lpUdate->st.wYear, &lpUdate->st.wMonth,
1457 &lpUdate->st.wDay);
1458
1459 datePart = (datePart + 1.5) / 7.0;
1460 lpUdate->st.wDayOfWeek = (datePart - floor(datePart)) * 7;
1461 if (lpUdate->st.wDayOfWeek == 0)
1462 lpUdate->st.wDayOfWeek = 5;
1463 else if (lpUdate->st.wDayOfWeek == 1)
1464 lpUdate->st.wDayOfWeek = 6;
1465 else
1466 lpUdate->st.wDayOfWeek -= 2;
1467
1468 if (lpUdate->st.wMonth > 2 && IsLeapYear(lpUdate->st.wYear))
1469 lpUdate->wDayOfYear = 1; /* After February, in a leap year */
1470 else
1471 lpUdate->wDayOfYear = 0;
1472
1473 lpUdate->wDayOfYear += cumulativeDays[lpUdate->st.wMonth];
1474 lpUdate->wDayOfYear += lpUdate->st.wDay;
1475
1476 /* Time */
1477 timePart *= 24.0;
1478 lpUdate->st.wHour = timePart;
1479 timePart -= lpUdate->st.wHour;
1480 timePart *= 60.0;
1481 lpUdate->st.wMinute = timePart;
1482 timePart -= lpUdate->st.wMinute;
1483 timePart *= 60.0;
1484 lpUdate->st.wSecond = timePart;
1485 timePart -= lpUdate->st.wSecond;
1486 lpUdate->st.wMilliseconds = 0;
1487 if (timePart > 0.5)
1488 {
1489 /* Round the milliseconds, adjusting the time/date forward if needed */
1490 if (lpUdate->st.wSecond < 59)
1491 lpUdate->st.wSecond++;
1492 else
1493 {
1494 lpUdate->st.wSecond = 0;
1495 if (lpUdate->st.wMinute < 59)
1496 lpUdate->st.wMinute++;
1497 else
1498 {
1499 lpUdate->st.wMinute = 0;
1500 if (lpUdate->st.wHour < 23)
1501 lpUdate->st.wHour++;
1502 else
1503 {
1504 lpUdate->st.wHour = 0;
1505 /* Roll over a whole day */
1506 if (++lpUdate->st.wDay > 28)
1507 VARIANT_RollUdate(lpUdate);
1508 }
1509 }
1510 }
1511 }
1512 return S_OK;
1513 }
1514
1515 #define GET_NUMBER_TEXT(fld,name) \
1516 buff[0] = 0; \
1517 if (!GetLocaleInfoW(lcid, lctype|fld, buff, 2)) \
1518 WARN("buffer too small for " #fld "\n"); \
1519 else \
1520 if (buff[0]) lpChars->name = buff[0]; \
1521 TRACE("lcid 0x%x, " #name "=%d '%c'\n", lcid, lpChars->name, lpChars->name)
1522
1523 /* Get the valid number characters for an lcid */
1524 static void VARIANT_GetLocalisedNumberChars(VARIANT_NUMBER_CHARS *lpChars, LCID lcid, DWORD dwFlags)
1525 {
1526 static const VARIANT_NUMBER_CHARS defaultChars = { '-','+','.',',','$',0,'.',',' };
1527 static CRITICAL_SECTION csLastChars = { NULL, -1, 0, 0, 0, 0 };
1528 static VARIANT_NUMBER_CHARS lastChars;
1529 static LCID lastLcid = -1;
1530 static DWORD lastFlags = 0;
1531 LCTYPE lctype = dwFlags & LOCALE_NOUSEROVERRIDE;
1532 WCHAR buff[4];
1533
1534 /* To make caching thread-safe, a critical section is needed */
1535 EnterCriticalSection(&csLastChars);
1536
1537 /* Asking for default locale entries is very expensive: It is a registry
1538 server call. So cache one locally, as Microsoft does it too */
1539 if(lcid == lastLcid && dwFlags == lastFlags)
1540 {
1541 memcpy(lpChars, &lastChars, sizeof(defaultChars));
1542 LeaveCriticalSection(&csLastChars);
1543 return;
1544 }
1545
1546 memcpy(lpChars, &defaultChars, sizeof(defaultChars));
1547 GET_NUMBER_TEXT(LOCALE_SNEGATIVESIGN, cNegativeSymbol);
1548 GET_NUMBER_TEXT(LOCALE_SPOSITIVESIGN, cPositiveSymbol);
1549 GET_NUMBER_TEXT(LOCALE_SDECIMAL, cDecimalPoint);
1550 GET_NUMBER_TEXT(LOCALE_STHOUSAND, cDigitSeparator);
1551 GET_NUMBER_TEXT(LOCALE_SMONDECIMALSEP, cCurrencyDecimalPoint);
1552 GET_NUMBER_TEXT(LOCALE_SMONTHOUSANDSEP, cCurrencyDigitSeparator);
1553
1554 /* Local currency symbols are often 2 characters */
1555 lpChars->cCurrencyLocal2 = '\0';
1556 switch(GetLocaleInfoW(lcid, lctype|LOCALE_SCURRENCY, buff, sizeof(buff)/sizeof(WCHAR)))
1557 {
1558 case 3: lpChars->cCurrencyLocal2 = buff[1]; /* Fall through */
1559 case 2: lpChars->cCurrencyLocal = buff[0];
1560 break;
1561 default: WARN("buffer too small for LOCALE_SCURRENCY\n");
1562 }
1563 TRACE("lcid 0x%x, cCurrencyLocal =%d,%d '%c','%c'\n", lcid, lpChars->cCurrencyLocal,
1564 lpChars->cCurrencyLocal2, lpChars->cCurrencyLocal, lpChars->cCurrencyLocal2);
1565
1566 memcpy(&lastChars, lpChars, sizeof(defaultChars));
1567 lastLcid = lcid;
1568 lastFlags = dwFlags;
1569 LeaveCriticalSection(&csLastChars);
1570 }
1571
1572 /* Number Parsing States */
1573 #define B_PROCESSING_EXPONENT 0x1
1574 #define B_NEGATIVE_EXPONENT 0x2
1575 #define B_EXPONENT_START 0x4
1576 #define B_INEXACT_ZEROS 0x8
1577 #define B_LEADING_ZERO 0x10
1578 #define B_PROCESSING_HEX 0x20
1579 #define B_PROCESSING_OCT 0x40
1580
1581 /**********************************************************************
1582 * VarParseNumFromStr [OLEAUT32.46]
1583 *
1584 * Parse a string containing a number into a NUMPARSE structure.
1585 *
1586 * PARAMS
1587 * lpszStr [I] String to parse number from
1588 * lcid [I] Locale Id for the conversion
1589 * dwFlags [I] 0, or LOCALE_NOUSEROVERRIDE to use system default number chars
1590 * pNumprs [I/O] Destination for parsed number
1591 * rgbDig [O] Destination for digits read in
1592 *
1593 * RETURNS
1594 * Success: S_OK. pNumprs and rgbDig contain the parsed representation of
1595 * the number.
1596 * Failure: E_INVALIDARG, if any parameter is invalid.
1597 * DISP_E_TYPEMISMATCH, if the string is not a number or is formatted
1598 * incorrectly.
1599 * DISP_E_OVERFLOW, if rgbDig is too small to hold the number.
1600 *
1601 * NOTES
1602 * pNumprs must have the following fields set:
1603 * cDig: Set to the size of rgbDig.
1604 * dwInFlags: Set to the allowable syntax of the number using NUMPRS_ flags
1605 * from "oleauto.h".
1606 *
1607 * FIXME
1608 * - I am unsure if this function should parse non-arabic (e.g. Thai)
1609 * numerals, so this has not been implemented.
1610 */
1611 HRESULT WINAPI VarParseNumFromStr(OLECHAR *lpszStr, LCID lcid, ULONG dwFlags,
1612 NUMPARSE *pNumprs, BYTE *rgbDig)
1613 {
1614 VARIANT_NUMBER_CHARS chars;
1615 BYTE rgbTmp[1024];
1616 DWORD dwState = B_EXPONENT_START|B_INEXACT_ZEROS;
1617 int iMaxDigits = sizeof(rgbTmp) / sizeof(BYTE);
1618 int cchUsed = 0;
1619
1620 TRACE("(%s,%d,0x%08x,%p,%p)\n", debugstr_w(lpszStr), lcid, dwFlags, pNumprs, rgbDig);
1621
1622 if (!pNumprs || !rgbDig)
1623 return E_INVALIDARG;
1624
1625 if (pNumprs->cDig < iMaxDigits)
1626 iMaxDigits = pNumprs->cDig;
1627
1628 pNumprs->cDig = 0;
1629 pNumprs->dwOutFlags = 0;
1630 pNumprs->cchUsed = 0;
1631 pNumprs->nBaseShift = 0;
1632 pNumprs->nPwr10 = 0;
1633
1634 if (!lpszStr)
1635 return DISP_E_TYPEMISMATCH;
1636
1637 VARIANT_GetLocalisedNumberChars(&chars, lcid, dwFlags);
1638
1639 /* First consume all the leading symbols and space from the string */
1640 while (1)
1641 {
1642 if (pNumprs->dwInFlags & NUMPRS_LEADING_WHITE && isspaceW(*lpszStr))
1643 {
1644 pNumprs->dwOutFlags |= NUMPRS_LEADING_WHITE;
1645 do
1646 {
1647 cchUsed++;
1648 lpszStr++;
1649 } while (isspaceW(*lpszStr));
1650 }
1651 else if (pNumprs->dwInFlags & NUMPRS_LEADING_PLUS &&
1652 *lpszStr == chars.cPositiveSymbol &&
1653 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS))
1654 {
1655 pNumprs->dwOutFlags |= NUMPRS_LEADING_PLUS;
1656 cchUsed++;
1657 lpszStr++;
1658 }
1659 else if (pNumprs->dwInFlags & NUMPRS_LEADING_MINUS &&
1660 *lpszStr == chars.cNegativeSymbol &&
1661 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS))
1662 {
1663 pNumprs->dwOutFlags |= (NUMPRS_LEADING_MINUS|NUMPRS_NEG);
1664 cchUsed++;
1665 lpszStr++;
1666 }
1667 else if (pNumprs->dwInFlags & NUMPRS_CURRENCY &&
1668 !(pNumprs->dwOutFlags & NUMPRS_CURRENCY) &&
1669 *lpszStr == chars.cCurrencyLocal &&
1670 (!chars.cCurrencyLocal2 || lpszStr[1] == chars.cCurrencyLocal2))
1671 {
1672 pNumprs->dwOutFlags |= NUMPRS_CURRENCY;
1673 cchUsed++;
1674 lpszStr++;
1675 /* Only accept currency characters */
1676 chars.cDecimalPoint = chars.cCurrencyDecimalPoint;
1677 chars.cDigitSeparator = chars.cCurrencyDigitSeparator;
1678 }
1679 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == '(' &&
1680 !(pNumprs->dwOutFlags & NUMPRS_PARENS))
1681 {
1682 pNumprs->dwOutFlags |= NUMPRS_PARENS;
1683 cchUsed++;
1684 lpszStr++;
1685 }
1686 else
1687 break;
1688 }
1689
1690 if (!(pNumprs->dwOutFlags & NUMPRS_CURRENCY))
1691 {
1692 /* Only accept non-currency characters */
1693 chars.cCurrencyDecimalPoint = chars.cDecimalPoint;
1694 chars.cCurrencyDigitSeparator = chars.cDigitSeparator;
1695 }
1696
1697 if ((*lpszStr == '&' && (*(lpszStr+1) == 'H' || *(lpszStr+1) == 'h')) &&
1698 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1699 {
1700 dwState |= B_PROCESSING_HEX;
1701 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1702 cchUsed=cchUsed+2;
1703 lpszStr=lpszStr+2;
1704 }
1705 else if ((*lpszStr == '&' && (*(lpszStr+1) == 'O' || *(lpszStr+1) == 'o')) &&
1706 pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1707 {
1708 dwState |= B_PROCESSING_OCT;
1709 pNumprs->dwOutFlags |= NUMPRS_HEX_OCT;
1710 cchUsed=cchUsed+2;
1711 lpszStr=lpszStr+2;
1712 }
1713
1714 /* Strip Leading zeros */
1715 while (*lpszStr == '0')
1716 {
1717 dwState |= B_LEADING_ZERO;
1718 cchUsed++;
1719 lpszStr++;
1720 }
1721
1722 while (*lpszStr)
1723 {
1724 if (isdigitW(*lpszStr))
1725 {
1726 if (dwState & B_PROCESSING_EXPONENT)
1727 {
1728 int exponentSize = 0;
1729 if (dwState & B_EXPONENT_START)
1730 {
1731 if (!isdigitW(*lpszStr))
1732 break; /* No exponent digits - invalid */
1733 while (*lpszStr == '0')
1734 {
1735 /* Skip leading zero's in the exponent */
1736 cchUsed++;
1737 lpszStr++;
1738 }
1739 }
1740
1741 while (isdigitW(*lpszStr))
1742 {
1743 exponentSize *= 10;
1744 exponentSize += *lpszStr - '0';
1745 cchUsed++;
1746 lpszStr++;
1747 }
1748 if (dwState & B_NEGATIVE_EXPONENT)
1749 exponentSize = -exponentSize;
1750 /* Add the exponent into the powers of 10 */
1751 pNumprs->nPwr10 += exponentSize;
1752 dwState &= ~(B_PROCESSING_EXPONENT|B_EXPONENT_START);
1753 lpszStr--; /* back up to allow processing of next char */
1754 }
1755 else
1756 {
1757 if ((pNumprs->cDig >= iMaxDigits) && !(dwState & B_PROCESSING_HEX)
1758 && !(dwState & B_PROCESSING_OCT))
1759 {
1760 pNumprs->dwOutFlags |= NUMPRS_INEXACT;
1761
1762 if (*lpszStr != '0')
1763 dwState &= ~B_INEXACT_ZEROS; /* Inexact number with non-trailing zeros */
1764
1765 /* This digit can't be represented, but count it in nPwr10 */
1766 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1767 pNumprs->nPwr10--;
1768 else
1769 pNumprs->nPwr10++;
1770 }
1771 else
1772 {
1773 if ((dwState & B_PROCESSING_OCT) && ((*lpszStr == '8') || (*lpszStr == '9'))) {
1774 return DISP_E_TYPEMISMATCH;
1775 }
1776
1777 if (pNumprs->dwOutFlags & NUMPRS_DECIMAL)
1778 pNumprs->nPwr10--; /* Count decimal points in nPwr10 */
1779
1780 rgbTmp[pNumprs->cDig] = *lpszStr - '0';
1781 }
1782 pNumprs->cDig++;
1783 cchUsed++;
1784 }
1785 }
1786 else if (*lpszStr == chars.cDigitSeparator && pNumprs->dwInFlags & NUMPRS_THOUSANDS)
1787 {
1788 pNumprs->dwOutFlags |= NUMPRS_THOUSANDS;
1789 cchUsed++;
1790 }
1791 else if (*lpszStr == chars.cDecimalPoint &&
1792 pNumprs->dwInFlags & NUMPRS_DECIMAL &&
1793 !(pNumprs->dwOutFlags & (NUMPRS_DECIMAL|NUMPRS_EXPONENT)))
1794 {
1795 pNumprs->dwOutFlags |= NUMPRS_DECIMAL;
1796 cchUsed++;
1797
1798 /* If we have no digits so far, skip leading zeros */
1799 if (!pNumprs->cDig)
1800 {
1801 while (lpszStr[1] == '0')
1802 {
1803 dwState |= B_LEADING_ZERO;
1804 cchUsed++;
1805 lpszStr++;
1806 pNumprs->nPwr10--;
1807 }
1808 }
1809 }
1810 else if (((*lpszStr >= 'a' && *lpszStr <= 'f') ||
1811 (*lpszStr >= 'A' && *lpszStr <= 'F')) &&
1812 dwState & B_PROCESSING_HEX)
1813 {
1814 if (pNumprs->cDig >= iMaxDigits)
1815 {
1816 return DISP_E_OVERFLOW;
1817 }
1818 else
1819 {
1820 if (*lpszStr >= 'a')
1821 rgbTmp[pNumprs->cDig] = *lpszStr - 'a' + 10;
1822 else
1823 rgbTmp[pNumprs->cDig] = *lpszStr - 'A' + 10;
1824 }
1825 pNumprs->cDig++;
1826 cchUsed++;
1827 }
1828 else if ((*lpszStr == 'e' || *lpszStr == 'E') &&
1829 pNumprs->dwInFlags & NUMPRS_EXPONENT &&
1830 !(pNumprs->dwOutFlags & NUMPRS_EXPONENT))
1831 {
1832 dwState |= B_PROCESSING_EXPONENT;
1833 pNumprs->dwOutFlags |= NUMPRS_EXPONENT;
1834 cchUsed++;
1835 }
1836 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cPositiveSymbol)
1837 {
1838 cchUsed++; /* Ignore positive exponent */
1839 }
1840 else if (dwState & B_PROCESSING_EXPONENT && *lpszStr == chars.cNegativeSymbol)
1841 {
1842 dwState |= B_NEGATIVE_EXPONENT;
1843 cchUsed++;
1844 }
1845 else
1846 break; /* Stop at an unrecognised character */
1847
1848 lpszStr++;
1849 }
1850
1851 if (!pNumprs->cDig && dwState & B_LEADING_ZERO)
1852 {
1853 /* Ensure a 0 on its own gets stored */
1854 pNumprs->cDig = 1;
1855 rgbTmp[0] = 0;
1856 }
1857
1858 if (pNumprs->dwOutFlags & NUMPRS_EXPONENT && dwState & B_PROCESSING_EXPONENT)
1859 {
1860 pNumprs->cchUsed = cchUsed;
1861 WARN("didn't completely parse exponent\n");
1862 return DISP_E_TYPEMISMATCH; /* Failed to completely parse the exponent */
1863 }
1864
1865 if (pNumprs->dwOutFlags & NUMPRS_INEXACT)
1866 {
1867 if (dwState & B_INEXACT_ZEROS)
1868 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* All zeros doesn't set NUMPRS_INEXACT */
1869 } else if(pNumprs->dwInFlags & NUMPRS_HEX_OCT)
1870 {
1871 /* copy all of the digits into the output digit buffer */
1872 /* this is exactly what windows does although it also returns */
1873 /* cDig of X and writes X+Y where Y>=0 number of digits to rgbDig */
1874 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1875
1876 if (dwState & B_PROCESSING_HEX) {
1877 /* hex numbers have always the same format */
1878 pNumprs->nPwr10=0;
1879 pNumprs->nBaseShift=4;
1880 } else {
1881 if (dwState & B_PROCESSING_OCT) {
1882 /* oct numbers have always the same format */
1883 pNumprs->nPwr10=0;
1884 pNumprs->nBaseShift=3;
1885 } else {
1886 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1887 {
1888 pNumprs->nPwr10++;
1889 pNumprs->cDig--;
1890 }
1891 }
1892 }
1893 } else
1894 {
1895 /* Remove trailing zeros from the last (whole number or decimal) part */
1896 while (pNumprs->cDig > 1 && !rgbTmp[pNumprs->cDig - 1])
1897 {
1898 pNumprs->nPwr10++;
1899 pNumprs->cDig--;
1900 }
1901 }
1902
1903 if (pNumprs->cDig <= iMaxDigits)
1904 pNumprs->dwOutFlags &= ~NUMPRS_INEXACT; /* Ignore stripped zeros for NUMPRS_INEXACT */
1905 else
1906 pNumprs->cDig = iMaxDigits; /* Only return iMaxDigits worth of digits */
1907
1908 /* Copy the digits we processed into rgbDig */
1909 memcpy(rgbDig, rgbTmp, pNumprs->cDig * sizeof(BYTE));
1910
1911 /* Consume any trailing symbols and space */
1912 while (1)
1913 {
1914 if ((pNumprs->dwInFlags & NUMPRS_TRAILING_WHITE) && isspaceW(*lpszStr))
1915 {
1916 pNumprs->dwOutFlags |= NUMPRS_TRAILING_WHITE;
1917 do
1918 {
1919 cchUsed++;
1920 lpszStr++;
1921 } while (isspaceW(*lpszStr));
1922 }
1923 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_PLUS &&
1924 !(pNumprs->dwOutFlags & NUMPRS_LEADING_PLUS) &&
1925 *lpszStr == chars.cPositiveSymbol)
1926 {
1927 pNumprs->dwOutFlags |= NUMPRS_TRAILING_PLUS;
1928 cchUsed++;
1929 lpszStr++;
1930 }
1931 else if (pNumprs->dwInFlags & NUMPRS_TRAILING_MINUS &&
1932 !(pNumprs->dwOutFlags & NUMPRS_LEADING_MINUS) &&
1933 *lpszStr == chars.cNegativeSymbol)
1934 {
1935 pNumprs->dwOutFlags |= (NUMPRS_TRAILING_MINUS|NUMPRS_NEG);
1936 cchUsed++;
1937 lpszStr++;
1938 }
1939 else if (pNumprs->dwInFlags & NUMPRS_PARENS && *lpszStr == ')' &&
1940 pNumprs->dwOutFlags & NUMPRS_PARENS)
1941 {
1942 cchUsed++;
1943 lpszStr++;
1944 pNumprs->dwOutFlags |= NUMPRS_NEG;
1945 }
1946 else
1947 break;
1948 }
1949
1950 if (pNumprs->dwOutFlags & NUMPRS_PARENS && !(pNumprs->dwOutFlags & NUMPRS_NEG))
1951 {
1952 pNumprs->cchUsed = cchUsed;
1953 return DISP_E_TYPEMISMATCH; /* Opening parenthesis not matched */
1954 }
1955
1956 if (pNumprs->dwInFlags & NUMPRS_USE_ALL && *lpszStr != '\0')
1957 return DISP_E_TYPEMISMATCH; /* Not all chars were consumed */
1958
1959 if (!pNumprs->cDig)
1960 return DISP_E_TYPEMISMATCH; /* No Number found */
1961
1962 pNumprs->cchUsed = cchUsed;
1963 return S_OK;
1964 }
1965
1966 /* VTBIT flags indicating an integer value */
1967 #define INTEGER_VTBITS (VTBIT_I1|VTBIT_UI1|VTBIT_I2|VTBIT_UI2|VTBIT_I4|VTBIT_UI4|VTBIT_I8|VTBIT_UI8)
1968 /* VTBIT flags indicating a real number value */
1969 #define REAL_VTBITS (VTBIT_R4|VTBIT_R8|VTBIT_CY)
1970
1971 /* Helper macros to check whether bit pattern fits in VARIANT (x is a ULONG64 ) */
1972 #define FITS_AS_I1(x) ((x) >> 8 == 0)
1973 #define FITS_AS_I2(x) ((x) >> 16 == 0)
1974 #define FITS_AS_I4(x) ((x) >> 32 == 0)
1975
1976 /**********************************************************************
1977 * VarNumFromParseNum [OLEAUT32.47]
1978 *
1979 * Convert a NUMPARSE structure into a numeric Variant type.
1980 *
1981 * PARAMS
1982 * pNumprs [I] Source for parsed number. cDig must be set to the size of rgbDig
1983 * rgbDig [I] Source for the numbers digits
1984 * dwVtBits [I] VTBIT_ flags from "oleauto.h" indicating the acceptable dest types
1985 * pVarDst [O] Destination for the converted Variant value.
1986 *
1987 * RETURNS
1988 * Success: S_OK. pVarDst contains the converted value.
1989 * Failure: E_INVALIDARG, if any parameter is invalid.
1990 * DISP_E_OVERFLOW, if the number is too big for the types set in dwVtBits.
1991 *
1992 * NOTES
1993 * - The smallest favoured type present in dwVtBits that can represent the
1994 * number in pNumprs without losing precision is used.
1995 * - Signed types are preferred over unsigned types of the same size.
1996 * - Preferred types in order are: integer, float, double, currency then decimal.
1997 * - Rounding (dropping of decimal points) occurs without error. See VarI8FromR8()
1998 * for details of the rounding method.
1999 * - pVarDst is not cleared before the result is stored in it.
2000 * - WinXP and Win2003 support VTBIT_I8, VTBIT_UI8 but that's buggy (by
2001 * design?): If some other VTBIT's for integers are specified together
2002 * with VTBIT_I8 and the number will fit only in a VT_I8 Windows will "cast"
2003 * the number to the smallest requested integer truncating this way the
2004 * number. Wine doesn't implement this "feature" (yet?).
2005 */
2006 HRESULT WINAPI VarNumFromParseNum(NUMPARSE *pNumprs, BYTE *rgbDig,
2007 ULONG dwVtBits, VARIANT *pVarDst)
2008 {
2009 /* Scale factors and limits for double arithmetic */
2010 static const double dblMultipliers[11] = {
2011 1.0, 10.0, 100.0, 1000.0, 10000.0, 100000.0,
2012 1000000.0, 10000000.0, 100000000.0, 1000000000.0, 10000000000.0
2013 };
2014 static const double dblMinimums[11] = {
2015 R8_MIN, R8_MIN*10.0, R8_MIN*100.0, R8_MIN*1000.0, R8_MIN*10000.0,
2016 R8_MIN*100000.0, R8_MIN*1000000.0, R8_MIN*10000000.0,
2017 R8_MIN*100000000.0, R8_MIN*1000000000.0, R8_MIN*10000000000.0
2018 };
2019 static const double dblMaximums[11] = {
2020 R8_MAX, R8_MAX/10.0, R8_MAX/100.0, R8_MAX/1000.0, R8_MAX/10000.0,
2021 R8_MAX/100000.0, R8_MAX/1000000.0, R8_MAX/10000000.0,
2022 R8_MAX/100000000.0, R8_MAX/1000000000.0, R8_MAX/10000000000.0
2023 };
2024
2025 int wholeNumberDigits, fractionalDigits, divisor10 = 0, multiplier10 = 0;
2026
2027 TRACE("(%p,%p,0x%x,%p)\n", pNumprs, rgbDig, dwVtBits, pVarDst);
2028
2029 if (pNumprs->nBaseShift)
2030 {
2031 /* nBaseShift indicates a hex or octal number */
2032 ULONG64 ul64 = 0;
2033 LONG64 l64;
2034 int i;
2035
2036 /* Convert the hex or octal number string into a UI64 */
2037 for (i = 0; i < pNumprs->cDig; i++)
2038 {
2039 if (ul64 > ((UI8_MAX>>pNumprs->nBaseShift) - rgbDig[i]))
2040 {
2041 TRACE("Overflow multiplying digits\n");
2042 return DISP_E_OVERFLOW;
2043 }
2044 ul64 = (ul64<<pNumprs->nBaseShift) + rgbDig[i];
2045 }
2046
2047 /* also make a negative representation */
2048 l64=-ul64;
2049
2050 /* Try signed and unsigned types in size order */
2051 if (dwVtBits & VTBIT_I1 && FITS_AS_I1(ul64))
2052 {
2053 V_VT(pVarDst) = VT_I1;
2054 V_I1(pVarDst) = ul64;
2055 return S_OK;
2056 }
2057 else if (dwVtBits & VTBIT_UI1 && FITS_AS_I1(ul64))
2058 {
2059 V_VT(pVarDst) = VT_UI1;
2060 V_UI1(pVarDst) = ul64;
2061 return S_OK;
2062 }
2063 else if (dwVtBits & VTBIT_I2 && FITS_AS_I2(ul64))
2064 {
2065 V_VT(pVarDst) = VT_I2;
2066 V_I2(pVarDst) = ul64;
2067 return S_OK;
2068 }
2069 else if (dwVtBits & VTBIT_UI2 && FITS_AS_I2(ul64))
2070 {
2071 V_VT(pVarDst) = VT_UI2;
2072 V_UI2(pVarDst) = ul64;
2073 return S_OK;
2074 }
2075 else if (dwVtBits & VTBIT_I4 && FITS_AS_I4(ul64))
2076 {
2077 V_VT(pVarDst) = VT_I4;
2078 V_I4(pVarDst) = ul64;
2079 return S_OK;
2080 }
2081 else if (dwVtBits & VTBIT_UI4 && FITS_AS_I4(ul64))
2082 {
2083 V_VT(pVarDst) = VT_UI4;
2084 V_UI4(pVarDst) = ul64;
2085 return S_OK;
2086 }
2087 else if (dwVtBits & VTBIT_I8 && ((ul64 <= I8_MAX)||(l64>=I8_MIN)))
2088 {
2089 V_VT(pVarDst) = VT_I8;
2090 V_I8(pVarDst) = ul64;
2091 return S_OK;
2092 }
2093 else if (dwVtBits & VTBIT_UI8)
2094 {
2095 V_VT(pVarDst) = VT_UI8;
2096 V_UI8(pVarDst) = ul64;
2097 return S_OK;
2098 }
2099 else if ((dwVtBits & VTBIT_DECIMAL) == VTBIT_DECIMAL)
2100 {
2101 V_VT(pVarDst) = VT_DECIMAL;
2102 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2103 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2104 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2105 return S_OK;
2106 }
2107 else if (dwVtBits & VTBIT_R4 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2108 {
2109 V_VT(pVarDst) = VT_R4;
2110 if (ul64 <= I4_MAX)
2111 V_R4(pVarDst) = ul64;
2112 else
2113 V_R4(pVarDst) = l64;
2114 return S_OK;
2115 }
2116 else if (dwVtBits & VTBIT_R8 && ((ul64 <= I4_MAX)||(l64 >= I4_MIN)))
2117 {
2118 V_VT(pVarDst) = VT_R8;
2119 if (ul64 <= I4_MAX)
2120 V_R8(pVarDst) = ul64;
2121 else
2122 V_R8(pVarDst) = l64;
2123 return S_OK;
2124 }
2125
2126 TRACE("Overflow: possible return types: 0x%x, value: %s\n", dwVtBits, wine_dbgstr_longlong(ul64));
2127 return DISP_E_OVERFLOW;
2128 }
2129
2130 /* Count the number of relevant fractional and whole digits stored,
2131 * And compute the divisor/multiplier to scale the number by.
2132 */
2133 if (pNumprs->nPwr10 < 0)
2134 {
2135 if (-pNumprs->nPwr10 >= pNumprs->cDig)
2136 {
2137 /* A real number < +/- 1.0 e.g. 0.1024 or 0.01024 */
2138 wholeNumberDigits = 0;
2139 fractionalDigits = pNumprs->cDig;
2140 divisor10 = -pNumprs->nPwr10;
2141 }
2142 else
2143 {
2144 /* An exactly represented real number e.g. 1.024 */
2145 wholeNumberDigits = pNumprs->cDig + pNumprs->nPwr10;
2146 fractionalDigits = pNumprs->cDig - wholeNumberDigits;
2147 divisor10 = pNumprs->cDig - wholeNumberDigits;
2148 }
2149 }
2150 else if (pNumprs->nPwr10 == 0)
2151 {
2152 /* An exactly represented whole number e.g. 1024 */
2153 wholeNumberDigits = pNumprs->cDig;
2154 fractionalDigits = 0;
2155 }
2156 else /* pNumprs->nPwr10 > 0 */
2157 {
2158 /* A whole number followed by nPwr10 0's e.g. 102400 */
2159 wholeNumberDigits = pNumprs->cDig;
2160 fractionalDigits = 0;
2161 multiplier10 = pNumprs->nPwr10;
2162 }
2163
2164 TRACE("cDig %d; nPwr10 %d, whole %d, frac %d mult %d; div %d\n",
2165 pNumprs->cDig, pNumprs->nPwr10, wholeNumberDigits, fractionalDigits,
2166 multiplier10, divisor10);
2167
2168 if (dwVtBits & (INTEGER_VTBITS|VTBIT_DECIMAL) &&
2169 (!fractionalDigits || !(dwVtBits & (REAL_VTBITS|VTBIT_CY|VTBIT_DECIMAL))))
2170 {
2171 /* We have one or more integer output choices, and either:
2172 * 1) An integer input value, or
2173 * 2) A real number input value but no floating output choices.
2174 * Alternately, we have a DECIMAL output available and an integer input.
2175 *
2176 * So, place the integer value into pVarDst, using the smallest type
2177 * possible and preferring signed over unsigned types.
2178 */
2179 BOOL bOverflow = FALSE, bNegative;
2180 ULONG64 ul64 = 0;
2181 int i;
2182
2183 /* Convert the integer part of the number into a UI8 */
2184 for (i = 0; i < wholeNumberDigits; i++)
2185 {
2186 if (ul64 > (UI8_MAX / 10 - rgbDig[i]))
2187 {
2188 TRACE("Overflow multiplying digits\n");
2189 bOverflow = TRUE;
2190 break;
2191 }
2192 ul64 = ul64 * 10 + rgbDig[i];
2193 }
2194
2195 /* Account for the scale of the number */
2196 if (!bOverflow && multiplier10)
2197 {
2198 for (i = 0; i < multiplier10; i++)
2199 {
2200 if (ul64 > (UI8_MAX / 10))
2201 {
2202 TRACE("Overflow scaling number\n");
2203 bOverflow = TRUE;
2204 break;
2205 }
2206 ul64 = ul64 * 10;
2207 }
2208 }
2209
2210 /* If we have any fractional digits, round the value.
2211 * Note we don't have to do this if divisor10 is < 1,
2212 * because this means the fractional part must be < 0.5
2213 */
2214 if (!bOverflow && fractionalDigits && divisor10 > 0)
2215 {
2216 const BYTE* fracDig = rgbDig + wholeNumberDigits;
2217 BOOL bAdjust = FALSE;
2218
2219 TRACE("first decimal value is %d\n", *fracDig);
2220
2221 if (*fracDig > 5)
2222 bAdjust = TRUE; /* > 0.5 */
2223 else if (*fracDig == 5)
2224 {
2225 for (i = 1; i < fractionalDigits; i++)
2226 {
2227 if (fracDig[i])
2228 {
2229 bAdjust = TRUE; /* > 0.5 */
2230 break;
2231 }
2232 }
2233 /* If exactly 0.5, round only odd values */
2234 if (i == fractionalDigits && (ul64 & 1))
2235 bAdjust = TRUE;
2236 }
2237
2238 if (bAdjust)
2239 {
2240 if (ul64 == UI8_MAX)
2241 {
2242 TRACE("Overflow after rounding\n");
2243 bOverflow = TRUE;
2244 }
2245 ul64++;
2246 }
2247 }
2248
2249 /* Zero is not a negative number */
2250 bNegative = pNumprs->dwOutFlags & NUMPRS_NEG && ul64 ? TRUE : FALSE;
2251
2252 TRACE("Integer value is 0x%s, bNeg %d\n", wine_dbgstr_longlong(ul64), bNegative);
2253
2254 /* For negative integers, try the signed types in size order */
2255 if (!bOverflow && bNegative)
2256 {
2257 if (dwVtBits & (VTBIT_I1|VTBIT_I2|VTBIT_I4|VTBIT_I8))
2258 {
2259 if (dwVtBits & VTBIT_I1 && ul64 <= -I1_MIN)
2260 {
2261 V_VT(pVarDst) = VT_I1;
2262 V_I1(pVarDst) = -ul64;
2263 return S_OK;
2264 }
2265 else if (dwVtBits & VTBIT_I2 && ul64 <= -I2_MIN)
2266 {
2267 V_VT(pVarDst) = VT_I2;
2268 V_I2(pVarDst) = -ul64;
2269 return S_OK;
2270 }
2271 else if (dwVtBits & VTBIT_I4 && ul64 <= -((LONGLONG)I4_MIN))
2272 {
2273 V_VT(pVarDst) = VT_I4;
2274 V_I4(pVarDst) = -ul64;
2275 return S_OK;
2276 }
2277 else if (dwVtBits & VTBIT_I8 && ul64 <= (ULONGLONG)I8_MAX + 1)
2278 {
2279 V_VT(pVarDst) = VT_I8;
2280 V_I8(pVarDst) = -ul64;
2281 return S_OK;
2282 }
2283 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2284 {
2285 /* Decimal is only output choice left - fast path */
2286 V_VT(pVarDst) = VT_DECIMAL;
2287 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_NEG,0);
2288 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2289 DEC_LO64(&V_DECIMAL(pVarDst)) = -ul64;
2290 return S_OK;
2291 }
2292 }
2293 }
2294 else if (!bOverflow)
2295 {
2296 /* For positive integers, try signed then unsigned types in size order */
2297 if (dwVtBits & VTBIT_I1 && ul64 <= I1_MAX)
2298 {
2299 V_VT(pVarDst) = VT_I1;
2300 V_I1(pVarDst) = ul64;
2301 return S_OK;
2302 }
2303 else if (dwVtBits & VTBIT_UI1 && ul64 <= UI1_MAX)
2304 {
2305 V_VT(pVarDst) = VT_UI1;
2306 V_UI1(pVarDst) = ul64;
2307 return S_OK;
2308 }
2309 else if (dwVtBits & VTBIT_I2 && ul64 <= I2_MAX)
2310 {
2311 V_VT(pVarDst) = VT_I2;
2312 V_I2(pVarDst) = ul64;
2313 return S_OK;
2314 }
2315 else if (dwVtBits & VTBIT_UI2 && ul64 <= UI2_MAX)
2316 {
2317 V_VT(pVarDst) = VT_UI2;
2318 V_UI2(pVarDst) = ul64;
2319 return S_OK;
2320 }
2321 else if (dwVtBits & VTBIT_I4 && ul64 <= I4_MAX)
2322 {
2323 V_VT(pVarDst) = VT_I4;
2324 V_I4(pVarDst) = ul64;
2325 return S_OK;
2326 }
2327 else if (dwVtBits & VTBIT_UI4 && ul64 <= UI4_MAX)
2328 {
2329 V_VT(pVarDst) = VT_UI4;
2330 V_UI4(pVarDst) = ul64;
2331 return S_OK;
2332 }
2333 else if (dwVtBits & VTBIT_I8 && ul64 <= I8_MAX)
2334 {
2335 V_VT(pVarDst) = VT_I8;
2336 V_I8(pVarDst) = ul64;
2337 return S_OK;
2338 }
2339 else if (dwVtBits & VTBIT_UI8)
2340 {
2341 V_VT(pVarDst) = VT_UI8;
2342 V_UI8(pVarDst) = ul64;
2343 return S_OK;
2344 }
2345 else if ((dwVtBits & REAL_VTBITS) == VTBIT_DECIMAL)
2346 {
2347 /* Decimal is only output choice left - fast path */
2348 V_VT(pVarDst) = VT_DECIMAL;
2349 DEC_SIGNSCALE(&V_DECIMAL(pVarDst)) = SIGNSCALE(DECIMAL_POS,0);
2350 DEC_HI32(&V_DECIMAL(pVarDst)) = 0;
2351 DEC_LO64(&V_DECIMAL(pVarDst)) = ul64;
2352 return S_OK;
2353 }
2354 }
2355 }
2356
2357 if (dwVtBits & REAL_VTBITS)
2358 {
2359 /* Try to put the number into a float or real */
2360 BOOL bOverflow = FALSE, bNegative = pNumprs->dwOutFlags & NUMPRS_NEG;
2361 double whole = 0.0;
2362 int i;
2363
2364 /* Convert the number into a double */
2365 for (i = 0; i < pNumprs->cDig; i++)
2366 whole = whole * 10.0 + rgbDig[i];
2367
2368 TRACE("Whole double value is %16.16g\n", whole);
2369
2370 /* Account for the scale */
2371 while (multiplier10 > 10)
2372 {
2373 if (whole > dblMaximums[10])
2374 {
2375 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2376 bOverflow = TRUE;
2377 break;
2378 }
2379 whole = whole * dblMultipliers[10];
2380 multiplier10 -= 10;
2381 }
2382 if (multiplier10 && !bOverflow)
2383 {
2384 if (whole > dblMaximums[multiplier10])
2385 {
2386 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY);
2387 bOverflow = TRUE;
2388 }
2389 else
2390 whole = whole * dblMultipliers[multiplier10];
2391 }
2392
2393 if (!bOverflow)
2394 TRACE("Scaled double value is %16.16g\n", whole);
2395
2396 while (divisor10 > 10 && !bOverflow)
2397 {
2398 if (whole < dblMinimums[10] && whole != 0)
2399 {
2400 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2401 bOverflow = TRUE;
2402 break;
2403 }
2404 whole = whole / dblMultipliers[10];
2405 divisor10 -= 10;
2406 }
2407 if (divisor10 && !bOverflow)
2408 {
2409 if (whole < dblMinimums[divisor10] && whole != 0)
2410 {
2411 dwVtBits &= ~(VTBIT_R4|VTBIT_R8|VTBIT_CY); /* Underflow */
2412 bOverflow = TRUE;
2413 }
2414 else
2415 whole = whole / dblMultipliers[divisor10];
2416 }
2417 if (!bOverflow)
2418 TRACE("Final double value is %16.16g\n", whole);
2419
2420 if (dwVtBits & VTBIT_R4 &&
2421 ((whole <= R4_MAX && whole >= R4_MIN) || whole == 0.0))
2422 {
2423 TRACE("Set R4 to final value\n");
2424 V_VT(pVarDst) = VT_R4; /* Fits into a float */
2425 V_R4(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2426 return S_OK;
2427 }
2428
2429 if (dwVtBits & VTBIT_R8)
2430 {
2431 TRACE("Set R8 to final value\n");
2432 V_VT(pVarDst) = VT_R8; /* Fits into a double */
2433 V_R8(pVarDst) = pNumprs->dwOutFlags & NUMPRS_NEG ? -whole : whole;
2434 return S_OK;
2435 }
2436
2437 if (dwVtBits & VTBIT_CY)
2438 {
2439 if (SUCCEEDED(VarCyFromR8(bNegative ? -whole : whole, &V_CY(pVarDst))))
2440 {
2441 V_VT(pVarDst) = VT_CY; /* Fits into a currency */
2442 TRACE("Set CY to final value\n");
2443 return S_OK;
2444 }
2445 TRACE("Value Overflows CY\n");
2446 }
2447 }
2448
2449 if (dwVtBits & VTBIT_DECIMAL)
2450 {
2451 int i;
2452 ULONG carry;
2453 ULONG64 tmp;
2454 DECIMAL* pDec = &V_DECIMAL(pVarDst);
2455
2456 DECIMAL_SETZERO(*pDec);
2457 DEC_LO32(pDec) = 0;
2458
2459 if (pNumprs->dwOutFlags & NUMPRS_NEG)
2460 DEC_SIGN(pDec) = DECIMAL_NEG;
2461 else
2462 DEC_SIGN(pDec) = DECIMAL_POS;
2463
2464 /* Factor the significant digits */
2465 for (i = 0; i < pNumprs->cDig; i++)
2466 {
2467 tmp = (ULONG64)DEC_LO32(pDec) * 10 + rgbDig[i];
2468 carry = (ULONG)(tmp >> 32);
2469 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2470 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2471 carry = (ULONG)(tmp >> 32);
2472 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2473 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2474 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2475
2476 if (tmp >> 32 & UI4_MAX)
2477 {
2478 VarNumFromParseNum_DecOverflow:
2479 TRACE("Overflow\n");
2480 DEC_LO32(pDec) = DEC_MID32(pDec) = DEC_HI32(pDec) = UI4_MAX;
2481 return DISP_E_OVERFLOW;
2482 }
2483 }
2484
2485 /* Account for the scale of the number */
2486 while (multiplier10 > 0)
2487 {
2488 tmp = (ULONG64)DEC_LO32(pDec) * 10;
2489 carry = (ULONG)(tmp >> 32);
2490 DEC_LO32(pDec) = (ULONG)(tmp & UI4_MAX);
2491 tmp = (ULONG64)DEC_MID32(pDec) * 10 + carry;
2492 carry = (ULONG)(tmp >> 32);
2493 DEC_MID32(pDec) = (ULONG)(tmp & UI4_MAX);
2494 tmp = (ULONG64)DEC_HI32(pDec) * 10 + carry;
2495 DEC_HI32(pDec) = (ULONG)(tmp & UI4_MAX);
2496
2497 if (tmp >> 32 & UI4_MAX)
2498 goto VarNumFromParseNum_DecOverflow;
2499 multiplier10--;
2500 }
2501 DEC_SCALE(pDec) = divisor10;
2502
2503 V_VT(pVarDst) = VT_DECIMAL;
2504 return S_OK;
2505 }
2506 return DISP_E_OVERFLOW; /* No more output choices */
2507 }
2508
2509 /**********************************************************************
2510 * VarCat [OLEAUT32.318]
2511 *
2512 * Concatenates one variant onto another.
2513 *
2514 * PARAMS
2515 * left [I] First variant
2516 * right [I] Second variant
2517 * result [O] Result variant
2518 *
2519 * RETURNS
2520 * Success: S_OK.
2521 * Failure: An HRESULT error code indicating the error.
2522 */
2523 HRESULT WINAPI VarCat(LPVARIANT left, LPVARIANT right, LPVARIANT out)
2524 {
2525 VARTYPE leftvt,rightvt,resultvt;
2526 HRESULT hres;
2527 static WCHAR str_true[32];
2528 static WCHAR str_false[32];
2529 static const WCHAR sz_empty[] = {'\0'};
2530 leftvt = V_VT(left);
2531 rightvt = V_VT(right);
2532
2533 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2534 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), out);
2535
2536 if (!str_true[0]) {
2537 VARIANT_GetLocalisedText(LOCALE_USER_DEFAULT, IDS_FALSE, str_false);
2538 VARIANT_GetLocalisedText(LOCALE_USER_DEFAULT, IDS_TRUE, str_true);
2539 }
2540
2541 /* when both left and right are NULL the result is NULL */
2542 if (leftvt == VT_NULL && rightvt == VT_NULL)
2543 {
2544 V_VT(out) = VT_NULL;
2545 return S_OK;
2546 }
2547
2548 hres = S_OK;
2549 resultvt = VT_EMPTY;
2550
2551 /* There are many special case for errors and return types */
2552 if (leftvt == VT_VARIANT && (rightvt == VT_ERROR ||
2553 rightvt == VT_DATE || rightvt == VT_DECIMAL))
2554 hres = DISP_E_TYPEMISMATCH;
2555 else if ((leftvt == VT_I2 || leftvt == VT_I4 ||
2556 leftvt == VT_R4 || leftvt == VT_R8 ||
2557 leftvt == VT_CY || leftvt == VT_BOOL ||
2558 leftvt == VT_BSTR || leftvt == VT_I1 ||
2559 leftvt == VT_UI1 || leftvt == VT_UI2 ||
2560 leftvt == VT_UI4 || leftvt == VT_I8 ||
2561 leftvt == VT_UI8 || leftvt == VT_INT ||
2562 leftvt == VT_UINT || leftvt == VT_EMPTY ||
2563 leftvt == VT_NULL || leftvt == VT_DATE ||
2564 leftvt == VT_DECIMAL || leftvt == VT_DISPATCH)
2565 &&
2566 (rightvt == VT_I2 || rightvt == VT_I4 ||
2567 rightvt == VT_R4 || rightvt == VT_R8 ||
2568 rightvt == VT_CY || rightvt == VT_BOOL ||
2569 rightvt == VT_BSTR || rightvt == VT_I1 ||
2570 rightvt == VT_UI1 || rightvt == VT_UI2 ||
2571 rightvt == VT_UI4 || rightvt == VT_I8 ||
2572 rightvt == VT_UI8 || rightvt == VT_INT ||
2573 rightvt == VT_UINT || rightvt == VT_EMPTY ||
2574 rightvt == VT_NULL || rightvt == VT_DATE ||
2575 rightvt == VT_DECIMAL || rightvt == VT_DISPATCH))
2576 resultvt = VT_BSTR;
2577 else if (rightvt == VT_ERROR && leftvt < VT_VOID)
2578 hres = DISP_E_TYPEMISMATCH;
2579 else if (leftvt == VT_ERROR && (rightvt == VT_DATE ||
2580 rightvt == VT_ERROR || rightvt == VT_DECIMAL))
2581 hres = DISP_E_TYPEMISMATCH;
2582 else if (rightvt == VT_DATE || rightvt == VT_ERROR ||
2583 rightvt == VT_DECIMAL)
2584 hres = DISP_E_BADVARTYPE;
2585 else if (leftvt == VT_ERROR || rightvt == VT_ERROR)
2586 hres = DISP_E_TYPEMISMATCH;
2587 else if (leftvt == VT_VARIANT)
2588 hres = DISP_E_TYPEMISMATCH;
2589 else if (rightvt == VT_VARIANT && (leftvt == VT_EMPTY ||
2590 leftvt == VT_NULL || leftvt == VT_I2 ||
2591 leftvt == VT_I4 || leftvt == VT_R4 ||
2592 leftvt == VT_R8 || leftvt == VT_CY ||
2593 leftvt == VT_DATE || leftvt == VT_BSTR ||
2594 leftvt == VT_BOOL || leftvt == VT_DECIMAL ||
2595 leftvt == VT_I1 || leftvt == VT_UI1 ||
2596 leftvt == VT_UI2 || leftvt == VT_UI4 ||
2597 leftvt == VT_I8 || leftvt == VT_UI8 ||
2598 leftvt == VT_INT || leftvt == VT_UINT))
2599 hres = DISP_E_TYPEMISMATCH;
2600 else
2601 hres = DISP_E_BADVARTYPE;
2602
2603 /* if result type is not S_OK, then no need to go further */
2604 if (hres != S_OK)
2605 {
2606 V_VT(out) = resultvt;
2607 return hres;
2608 }
2609 /* Else proceed with formatting inputs to strings */
2610 else
2611 {
2612 VARIANT bstrvar_left, bstrvar_right;
2613 V_VT(out) = VT_BSTR;
2614
2615 VariantInit(&bstrvar_left);
2616 VariantInit(&bstrvar_right);
2617
2618 /* Convert left side variant to string */
2619 if (leftvt != VT_BSTR)
2620 {
2621 if (leftvt == VT_BOOL)
2622 {
2623 /* Bools are handled as localized True/False strings instead of 0/-1 as in MSDN */
2624 V_VT(&bstrvar_left) = VT_BSTR;
2625 if (V_BOOL(left) == TRUE)
2626 V_BSTR(&bstrvar_left) = SysAllocString(str_true);
2627 else
2628 V_BSTR(&bstrvar_left) = SysAllocString(str_false);
2629 }
2630 /* Fill with empty string for later concat with right side */
2631 else if (leftvt == VT_NULL)
2632 {
2633 V_VT(&bstrvar_left) = VT_BSTR;
2634 V_BSTR(&bstrvar_left) = SysAllocString(sz_empty);
2635 }
2636 else
2637 {
2638 hres = VariantChangeTypeEx(&bstrvar_left,left,0,0,VT_BSTR);
2639 if (hres != S_OK) {
2640 VariantClear(&bstrvar_left);
2641 VariantClear(&bstrvar_right);
2642 if (leftvt == VT_NULL && (rightvt == VT_EMPTY ||
2643 rightvt == VT_NULL || rightvt == VT_I2 ||
2644 rightvt == VT_I4 || rightvt == VT_R4 ||
2645 rightvt == VT_R8 || rightvt == VT_CY ||
2646 rightvt == VT_DATE || rightvt == VT_BSTR ||
2647 rightvt == VT_BOOL || rightvt == VT_DECIMAL ||
2648 rightvt == VT_I1 || rightvt == VT_UI1 ||
2649 rightvt == VT_UI2 || rightvt == VT_UI4 ||
2650 rightvt == VT_I8 || rightvt == VT_UI8 ||
2651 rightvt == VT_INT || rightvt == VT_UINT))
2652 return DISP_E_BADVARTYPE;
2653 return hres;
2654 }
2655 }
2656 }
2657
2658 /* convert right side variant to string */
2659 if (rightvt != VT_BSTR)
2660 {
2661 if (rightvt == VT_BOOL)
2662 {
2663 /* Bools are handled as localized True/False strings instead of 0/-1 as in MSDN */
2664 V_VT(&bstrvar_right) = VT_BSTR;
2665 if (V_BOOL(right) == TRUE)
2666 V_BSTR(&bstrvar_right) = SysAllocString(str_true);
2667 else
2668 V_BSTR(&bstrvar_right) = SysAllocString(str_false);
2669 }
2670 /* Fill with empty string for later concat with right side */
2671 else if (rightvt == VT_NULL)
2672 {
2673 V_VT(&bstrvar_right) = VT_BSTR;
2674 V_BSTR(&bstrvar_right) = SysAllocString(sz_empty);
2675 }
2676 else
2677 {
2678 hres = VariantChangeTypeEx(&bstrvar_right,right,0,0,VT_BSTR);
2679 if (hres != S_OK) {
2680 VariantClear(&bstrvar_left);
2681 VariantClear(&bstrvar_right);
2682 if (rightvt == VT_NULL && (leftvt == VT_EMPTY ||
2683 leftvt == VT_NULL || leftvt == VT_I2 ||
2684 leftvt == VT_I4 || leftvt == VT_R4 ||
2685 leftvt == VT_R8 || leftvt == VT_CY ||
2686 leftvt == VT_DATE || leftvt == VT_BSTR ||
2687 leftvt == VT_BOOL || leftvt == VT_DECIMAL ||
2688 leftvt == VT_I1 || leftvt == VT_UI1 ||
2689 leftvt == VT_UI2 || leftvt == VT_UI4 ||
2690 leftvt == VT_I8 || leftvt == VT_UI8 ||
2691 leftvt == VT_INT || leftvt == VT_UINT))
2692 return DISP_E_BADVARTYPE;
2693 return hres;
2694 }
2695 }
2696 }
2697
2698 /* Concat the resulting strings together */
2699 if (leftvt == VT_BSTR && rightvt == VT_BSTR)
2700 VarBstrCat (V_BSTR(left), V_BSTR(right), &V_BSTR(out));
2701 else if (leftvt != VT_BSTR && rightvt != VT_BSTR)
2702 VarBstrCat (V_BSTR(&bstrvar_left), V_BSTR(&bstrvar_right), &V_BSTR(out));
2703 else if (leftvt != VT_BSTR && rightvt == VT_BSTR)
2704 VarBstrCat (V_BSTR(&bstrvar_left), V_BSTR(right), &V_BSTR(out));
2705 else if (leftvt == VT_BSTR && rightvt != VT_BSTR)
2706 VarBstrCat (V_BSTR(left), V_BSTR(&bstrvar_right), &V_BSTR(out));
2707
2708 VariantClear(&bstrvar_left);
2709 VariantClear(&bstrvar_right);
2710 return S_OK;
2711 }
2712 }
2713
2714
2715 /* Wrapper around VariantChangeTypeEx() which permits changing a
2716 variant with VT_RESERVED flag set. Needed by VarCmp. */
2717 static HRESULT _VarChangeTypeExWrap (VARIANTARG* pvargDest,
2718 VARIANTARG* pvargSrc, LCID lcid, USHORT wFlags, VARTYPE vt)
2719 {
2720 HRESULT res;
2721 VARTYPE flags;
2722
2723 flags = V_VT(pvargSrc) & ~VT_TYPEMASK;
2724 V_VT(pvargSrc) &= ~VT_RESERVED;
2725 res = VariantChangeTypeEx(pvargDest,pvargSrc,lcid,wFlags,vt);
2726 V_VT(pvargSrc) |= flags;
2727
2728 return res;
2729 }
2730
2731 /**********************************************************************
2732 * VarCmp [OLEAUT32.176]
2733 *
2734 * Compare two variants.
2735 *
2736 * PARAMS
2737 * left [I] First variant
2738 * right [I] Second variant
2739 * lcid [I] LCID (locale identifier) for the comparison
2740 * flags [I] Flags to be used in the comparison:
2741 * NORM_IGNORECASE, NORM_IGNORENONSPACE, NORM_IGNORESYMBOLS,
2742 * NORM_IGNOREWIDTH, NORM_IGNOREKANATYPE, NORM_IGNOREKASHIDA
2743 *
2744 * RETURNS
2745 * VARCMP_LT: left variant is less than right variant.
2746 * VARCMP_EQ: input variants are equal.
2747 * VARCMP_GT: left variant is greater than right variant.
2748 * VARCMP_NULL: either one of the input variants is NULL.
2749 * Failure: An HRESULT error code indicating the error.
2750 *
2751 * NOTES
2752 * Native VarCmp up to and including WinXP doesn't like I1, UI2, VT_UI4,
2753 * UI8 and UINT as input variants. INT is accepted only as left variant.
2754 *
2755 * If both input variants are ERROR then VARCMP_EQ will be returned, else
2756 * an ERROR variant will trigger an error.
2757 *
2758 * Both input variants can have VT_RESERVED flag set which is ignored
2759 * unless one and only one of the variants is a BSTR and the other one
2760 * is not an EMPTY variant. All four VT_RESERVED combinations have a
2761 * different meaning:
2762 * - BSTR and other: BSTR is always greater than the other variant.
2763 * - BSTR|VT_RESERVED and other: a string comparison is performed.
2764 * - BSTR and other|VT_RESERVED: If the BSTR is a number a numeric
2765 * comparison will take place else the BSTR is always greater.
2766 * - BSTR|VT_RESERVED and other|VT_RESERVED: It seems that the other
2767 * variant is ignored and the return value depends only on the sign
2768 * of the BSTR if it is a number else the BSTR is always greater. A
2769 * positive BSTR is greater, a negative one is smaller than the other
2770 * variant.
2771 *
2772 * SEE
2773 * VarBstrCmp for the lcid and flags usage.
2774 */
2775 HRESULT WINAPI VarCmp(LPVARIANT left, LPVARIANT right, LCID lcid, DWORD flags)
2776 {
2777 VARTYPE lvt, rvt, vt;
2778 VARIANT rv,lv;
2779 DWORD xmask;
2780 HRESULT rc;
2781
2782 TRACE("(%p->(%s%s),%p->(%s%s),0x%08x,0x%08x)\n", left, debugstr_VT(left),
2783 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), lcid, flags);
2784
2785 lvt = V_VT(left) & VT_TYPEMASK;
2786 rvt = V_VT(right) & VT_TYPEMASK;
2787 xmask = (1 << lvt) | (1 << rvt);
2788
2789 /* If we have any flag set except VT_RESERVED bail out.
2790 Same for the left input variant type > VT_INT and for the
2791 right input variant type > VT_I8. Yes, VT_INT is only supported
2792 as left variant. Go figure */
2793 if (((V_VT(left) | V_VT(right)) & ~VT_TYPEMASK & ~VT_RESERVED) ||
2794 lvt > VT_INT || rvt > VT_I8) {
2795 return DISP_E_BADVARTYPE;
2796 }
2797
2798 /* Don't ask me why but native VarCmp cannot handle: VT_I1, VT_UI2, VT_UI4,
2799 VT_UINT and VT_UI8. Tested with DCOM98, Win2k, WinXP */
2800 if (rvt == VT_INT || xmask & (VTBIT_I1 | VTBIT_UI2 | VTBIT_UI4 | VTBIT_UI8 |
2801 VTBIT_DISPATCH | VTBIT_VARIANT | VTBIT_UNKNOWN | VTBIT_15))
2802 return DISP_E_TYPEMISMATCH;
2803
2804 /* If both variants are VT_ERROR return VARCMP_EQ */
2805 if (xmask == VTBIT_ERROR)
2806 return VARCMP_EQ;
2807 else if (xmask & VTBIT_ERROR)
2808 return DISP_E_TYPEMISMATCH;
2809
2810 if (xmask & VTBIT_NULL)
2811 return VARCMP_NULL;
2812
2813 VariantInit(&lv);
2814 VariantInit(&rv);
2815
2816 /* Two BSTRs, ignore VT_RESERVED */
2817 if (xmask == VTBIT_BSTR)
2818 return VarBstrCmp(V_BSTR(left), V_BSTR(right), lcid, flags);
2819
2820 /* A BSTR and an other variant; we have to take care of VT_RESERVED */
2821 if (xmask & VTBIT_BSTR) {
2822 VARIANT *bstrv, *nonbv;
2823 VARTYPE nonbvt;
2824 int swap = 0;
2825
2826 /* Swap the variants so the BSTR is always on the left */
2827 if (lvt == VT_BSTR) {
2828 bstrv = left;
2829 nonbv = right;
2830 nonbvt = rvt;
2831 } else {
2832 swap = 1;
2833 bstrv = right;
2834 nonbv = left;
2835 nonbvt = lvt;
2836 }
2837
2838 /* BSTR and EMPTY: ignore VT_RESERVED */
2839 if (nonbvt == VT_EMPTY)
2840 rc = (!V_BSTR(bstrv) || !*V_BSTR(bstrv)) ? VARCMP_EQ : VARCMP_GT;
2841 else {
2842 VARTYPE breserv = V_VT(bstrv) & ~VT_TYPEMASK;
2843 VARTYPE nreserv = V_VT(nonbv) & ~VT_TYPEMASK;
2844
2845 if (!breserv && !nreserv)
2846 /* No VT_RESERVED set ==> BSTR always greater */
2847 rc = VARCMP_GT;
2848 else if (breserv && !nreserv) {
2849 /* BSTR has VT_RESERVED set. Do a string comparison */
2850 rc = VariantChangeTypeEx(&rv,nonbv,lcid,0,VT_BSTR);
2851 if (FAILED(rc))
2852 return rc;
2853 rc = VarBstrCmp(V_BSTR(bstrv), V_BSTR(&rv), lcid, flags);
2854 VariantClear(&rv);
2855 } else if (V_BSTR(bstrv) && *V_BSTR(bstrv)) {
2856 /* Non NULL nor empty BSTR */
2857 /* If the BSTR is not a number the BSTR is greater */
2858 rc = _VarChangeTypeExWrap(&lv,bstrv,lcid,0,VT_R8);
2859 if (FAILED(rc))
2860 rc = VARCMP_GT;
2861 else if (breserv && nreserv)
2862 /* FIXME: This is strange: with both VT_RESERVED set it
2863 looks like the result depends only on the sign of
2864 the BSTR number */
2865 rc = (V_R8(&lv) >= 0) ? VARCMP_GT : VARCMP_LT;
2866 else
2867 /* Numeric comparison, will be handled below.
2868 VARCMP_NULL used only to break out. */
2869 rc = VARCMP_NULL;
2870 VariantClear(&lv);
2871 VariantClear(&rv);
2872 } else
2873 /* Empty or NULL BSTR */
2874 rc = VARCMP_GT;
2875 }
2876 /* Fixup the return code if we swapped left and right */
2877 if (swap) {
2878 if (rc == VARCMP_GT)
2879 rc = VARCMP_LT;
2880 else if (rc == VARCMP_LT)
2881 rc = VARCMP_GT;
2882 }
2883 if (rc != VARCMP_NULL)
2884 return rc;
2885 }
2886
2887 if (xmask & VTBIT_DECIMAL)
2888 vt = VT_DECIMAL;
2889 else if (xmask & VTBIT_BSTR)
2890 vt = VT_R8;
2891 else if (xmask & VTBIT_R4)
2892 vt = VT_R4;
2893 else if (xmask & (VTBIT_R8 | VTBIT_DATE))
2894 vt = VT_R8;
2895 else if (xmask & VTBIT_CY)
2896 vt = VT_CY;
2897 else
2898 /* default to I8 */
2899 vt = VT_I8;
2900
2901 /* Coerce the variants */
2902 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2903 if (rc == DISP_E_OVERFLOW && vt != VT_R8) {
2904 /* Overflow, change to R8 */
2905 vt = VT_R8;
2906 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2907 }
2908 if (FAILED(rc))
2909 return rc;
2910 rc = _VarChangeTypeExWrap(&rv,right,lcid,0,vt);
2911 if (rc == DISP_E_OVERFLOW && vt != VT_R8) {
2912 /* Overflow, change to R8 */
2913 vt = VT_R8;
2914 rc = _VarChangeTypeExWrap(&lv,left,lcid,0,vt);
2915 if (FAILED(rc))
2916 return rc;
2917 rc = _VarChangeTypeExWrap(&rv,right,lcid,0,vt);
2918 }
2919 if (FAILED(rc))
2920 return rc;
2921
2922 #define _VARCMP(a,b) \
2923 (((a) == (b)) ? VARCMP_EQ : (((a) < (b)) ? VARCMP_LT : VARCMP_GT))
2924
2925 switch (vt) {
2926 case VT_CY:
2927 return VarCyCmp(V_CY(&lv), V_CY(&rv));
2928 case VT_DECIMAL:
2929 return VarDecCmp(&V_DECIMAL(&lv), &V_DECIMAL(&rv));
2930 case VT_I8:
2931 return _VARCMP(V_I8(&lv), V_I8(&rv));
2932 case VT_R4:
2933 return _VARCMP(V_R4(&lv), V_R4(&rv));
2934 case VT_R8:
2935 return _VARCMP(V_R8(&lv), V_R8(&rv));
2936 default:
2937 /* We should never get here */
2938 return E_FAIL;
2939 }
2940 #undef _VARCMP
2941 }
2942
2943 static HRESULT VARIANT_FetchDispatchValue(LPVARIANT pvDispatch, LPVARIANT pValue)
2944 {
2945 HRESULT hres;
2946 static DISPPARAMS emptyParams = { NULL, NULL, 0, 0 };
2947
2948 if ((V_VT(pvDispatch) & VT_TYPEMASK) == VT_DISPATCH) {
2949 if (NULL == V_DISPATCH(pvDispatch)) return DISP_E_TYPEMISMATCH;
2950 hres = IDispatch_Invoke(V_DISPATCH(pvDispatch), DISPID_VALUE, &IID_NULL,
2951 LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &emptyParams, pValue,
2952 NULL, NULL);
2953 } else {
2954 hres = DISP_E_TYPEMISMATCH;
2955 }
2956 return hres;
2957 }
2958
2959 /**********************************************************************
2960 * VarAnd [OLEAUT32.142]
2961 *
2962 * Computes the logical AND of two variants.
2963 *
2964 * PARAMS
2965 * left [I] First variant
2966 * right [I] Second variant
2967 * result [O] Result variant
2968 *
2969 * RETURNS
2970 * Success: S_OK.
2971 * Failure: An HRESULT error code indicating the error.
2972 */
2973 HRESULT WINAPI VarAnd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
2974 {
2975 HRESULT hres = S_OK;
2976 VARTYPE resvt = VT_EMPTY;
2977 VARTYPE leftvt,rightvt;
2978 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
2979 VARIANT varLeft, varRight;
2980 VARIANT tempLeft, tempRight;
2981
2982 VariantInit(&varLeft);
2983 VariantInit(&varRight);
2984 VariantInit(&tempLeft);
2985 VariantInit(&tempRight);
2986
2987 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
2988 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
2989
2990 /* Handle VT_DISPATCH by storing and taking address of returned value */
2991 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
2992 {
2993 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
2994 if (FAILED(hres)) goto VarAnd_Exit;
2995 left = &tempLeft;
2996 }
2997 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
2998 {
2999 hres = VARIANT_FetchDispatchValue(right, &tempRight);
3000 if (FAILED(hres)) goto VarAnd_Exit;
3001 right = &tempRight;
3002 }
3003
3004 leftvt = V_VT(left)&VT_TYPEMASK;
3005 rightvt = V_VT(right)&VT_TYPEMASK;
3006 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
3007 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
3008
3009 if (leftExtraFlags != rightExtraFlags)
3010 {
3011 hres = DISP_E_BADVARTYPE;
3012 goto VarAnd_Exit;
3013 }
3014 ExtraFlags = leftExtraFlags;
3015
3016 /* Native VarAnd always returns an error when using extra
3017 * flags or if the variant combination is I8 and INT.
3018 */
3019 if ((leftvt == VT_I8 && rightvt == VT_INT) ||
3020 (leftvt == VT_INT && rightvt == VT_I8) ||
3021 ExtraFlags != 0)
3022 {
3023 hres = DISP_E_BADVARTYPE;
3024 goto VarAnd_Exit;
3025 }
3026
3027 /* Determine return type */
3028 else if (leftvt == VT_I8 || rightvt == VT_I8)
3029 resvt = VT_I8;
3030 else if (leftvt == VT_I4 || rightvt == VT_I4 ||
3031 leftvt == VT_UINT || rightvt == VT_UINT ||
3032 leftvt == VT_INT || rightvt == VT_INT ||
3033 leftvt == VT_UINT || rightvt == VT_UINT ||
3034 leftvt == VT_R4 || rightvt == VT_R4 ||
3035 leftvt == VT_R8 || rightvt == VT_R8 ||
3036 leftvt == VT_CY || rightvt == VT_CY ||
3037 leftvt == VT_DATE || rightvt == VT_DATE ||
3038 leftvt == VT_I1 || rightvt == VT_I1 ||
3039 leftvt == VT_UI2 || rightvt == VT_UI2 ||
3040 leftvt == VT_UI4 || rightvt == VT_UI4 ||
3041 leftvt == VT_UI8 || rightvt == VT_UI8 ||
3042 leftvt == VT_DECIMAL || rightvt == VT_DECIMAL)
3043 resvt = VT_I4;
3044 else if (leftvt == VT_UI1 || rightvt == VT_UI1 ||
3045 leftvt == VT_I2 || rightvt == VT_I2 ||
3046 leftvt == VT_EMPTY || rightvt == VT_EMPTY)
3047 if ((leftvt == VT_NULL && rightvt == VT_UI1) ||
3048 (leftvt == VT_UI1 && rightvt == VT_NULL) ||
3049 (leftvt == VT_UI1 && rightvt == VT_UI1))
3050 resvt = VT_UI1;
3051 else
3052 resvt = VT_I2;
3053 else if (leftvt == VT_BOOL || rightvt == VT_BOOL ||
3054 (leftvt == VT_BSTR && rightvt == VT_BSTR))
3055 resvt = VT_BOOL;
3056 else if (leftvt == VT_NULL || rightvt == VT_NULL ||
3057 leftvt == VT_BSTR || rightvt == VT_BSTR)
3058 resvt = VT_NULL;
3059 else
3060 {
3061 hres = DISP_E_BADVARTYPE;
3062 goto VarAnd_Exit;
3063 }
3064
3065 if (leftvt == VT_NULL || rightvt == VT_NULL)
3066 {
3067 /*
3068 * Special cases for when left variant is VT_NULL
3069 * (VT_NULL & 0 = VT_NULL, VT_NULL & value = value)
3070 */
3071 if (leftvt == VT_NULL)
3072 {
3073 VARIANT_BOOL b;
3074 switch(rightvt)
3075 {
3076 case VT_I1: if (V_I1(right)) resvt = VT_NULL; break;
3077 case VT_UI1: if (V_UI1(right)) resvt = VT_NULL; break;
3078 case VT_I2: if (V_I2(right)) resvt = VT_NULL; break;
3079 case VT_UI2: if (V_UI2(right)) resvt = VT_NULL; break;
3080 case VT_I4: if (V_I4(right)) resvt = VT_NULL; break;
3081 case VT_UI4: if (V_UI4(right)) resvt = VT_NULL; break;
3082 case VT_I8: if (V_I8(right)) resvt = VT_NULL; break;
3083 case VT_UI8: if (V_UI8(right)) resvt = VT_NULL; break;
3084 case VT_INT: if (V_INT(right)) resvt = VT_NULL; break;
3085 case VT_UINT: if (V_UINT(right)) resvt = VT_NULL; break;
3086 case VT_BOOL: if (V_BOOL(right)) resvt = VT_NULL; break;
3087 case VT_R4: if (V_R4(right)) resvt = VT_NULL; break;
3088 case VT_R8: if (V_R8(right)) resvt = VT_NULL; break;
3089 case VT_CY:
3090 if(V_CY(right).int64)
3091 resvt = VT_NULL;
3092 break;
3093 case VT_DECIMAL:
3094 if (DEC_HI32(&V_DECIMAL(right)) ||
3095 DEC_LO64(&V_DECIMAL(right)))
3096 resvt = VT_NULL;
3097 break;
3098 case VT_BSTR:
3099 hres = VarBoolFromStr(V_BSTR(right),
3100 LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
3101 if (FAILED(hres))
3102 return hres;
3103 else if (b)
3104 V_VT(result) = VT_NULL;
3105 else
3106 {
3107 V_VT(result) = VT_BOOL;
3108 V_BOOL(result) = b;
3109 }
3110 goto VarAnd_Exit;
3111 }
3112 }
3113 V_VT(result) = resvt;
3114 goto VarAnd_Exit;
3115 }
3116
3117 hres = VariantCopy(&varLeft, left);
3118 if (FAILED(hres)) goto VarAnd_Exit;
3119
3120 hres = VariantCopy(&varRight, right);
3121 if (FAILED(hres)) goto VarAnd_Exit;
3122
3123 if (resvt == VT_I4 && V_VT(&varLeft) == VT_UI4)
3124 V_VT(&varLeft) = VT_I4; /* Don't overflow */
3125 else
3126 {
3127 double d;
3128
3129 if (V_VT(&varLeft) == VT_BSTR &&
3130 FAILED(VarR8FromStr(V_BSTR(&varLeft),
3131 LOCALE_USER_DEFAULT, 0, &d)))
3132 hres = VariantChangeType(&varLeft,&varLeft,
3133 VARIANT_LOCALBOOL, VT_BOOL);
3134 if (SUCCEEDED(hres) && V_VT(&varLeft) != resvt)
3135 hres = VariantChangeType(&varLeft,&varLeft,0,resvt);
3136 if (FAILED(hres)) goto VarAnd_Exit;
3137 }
3138
3139 if (resvt == VT_I4 && V_VT(&varRight) == VT_UI4)
3140 V_VT(&varRight) = VT_I4; /* Don't overflow */
3141 else
3142 {
3143 double d;
3144
3145 if (V_VT(&varRight) == VT_BSTR &&
3146 FAILED(VarR8FromStr(V_BSTR(&varRight),
3147 LOCALE_USER_DEFAULT, 0, &d)))
3148 hres = VariantChangeType(&varRight, &varRight,
3149 VARIANT_LOCALBOOL, VT_BOOL);
3150 if (SUCCEEDED(hres) && V_VT(&varRight) != resvt)
3151 hres = VariantChangeType(&varRight, &varRight, 0, resvt);
3152 if (FAILED(hres)) goto VarAnd_Exit;
3153 }
3154
3155 V_VT(result) = resvt;
3156 switch(resvt)
3157 {
3158 case VT_I8:
3159 V_I8(result) = V_I8(&varLeft) & V_I8(&varRight);
3160 break;
3161 case VT_I4:
3162 V_I4(result) = V_I4(&varLeft) & V_I4(&varRight);
3163 break;
3164 case VT_I2:
3165 V_I2(result) = V_I2(&varLeft) & V_I2(&varRight);
3166 break;
3167 case VT_UI1:
3168 V_UI1(result) = V_UI1(&varLeft) & V_UI1(&varRight);
3169 break;
3170 case VT_BOOL:
3171 V_BOOL(result) = V_BOOL(&varLeft) & V_BOOL(&varRight);
3172 break;
3173 default:
3174 FIXME("Couldn't bitwise AND variant types %d,%d\n",
3175 leftvt,rightvt);
3176 }
3177
3178 VarAnd_Exit:
3179 VariantClear(&varLeft);
3180 VariantClear(&varRight);
3181 VariantClear(&tempLeft);
3182 VariantClear(&tempRight);
3183
3184 return hres;
3185 }
3186
3187 /**********************************************************************
3188 * VarAdd [OLEAUT32.141]
3189 *
3190 * Add two variants.
3191 *
3192 * PARAMS
3193 * left [I] First variant
3194 * right [I] Second variant
3195 * result [O] Result variant
3196 *
3197 * RETURNS
3198 * Success: S_OK.
3199 * Failure: An HRESULT error code indicating the error.
3200 *
3201 * NOTES
3202 * Native VarAdd up to and including WinXP doesn't like I1, UI2, UI4,
3203 * UI8, INT and UINT as input variants.
3204 *
3205 * Native VarAdd doesn't check for NULL in/out pointers and crashes. We do the
3206 * same here.
3207 *
3208 * FIXME
3209 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
3210 * case.
3211 */
3212 HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3213 {
3214 HRESULT hres;
3215 VARTYPE lvt, rvt, resvt, tvt;
3216 VARIANT lv, rv, tv;
3217 VARIANT tempLeft, tempRight;
3218 double r8res;
3219
3220 /* Variant priority for coercion. Sorted from lowest to highest.
3221 VT_ERROR shows an invalid input variant type. */
3222 enum coerceprio { vt_EMPTY, vt_UI1, vt_I2, vt_I4, vt_I8, vt_BSTR,vt_R4,
3223 vt_R8, vt_CY, vt_DATE, vt_DECIMAL, vt_DISPATCH, vt_NULL,
3224 vt_ERROR };
3225 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
3226 static const VARTYPE prio2vt[] = { VT_EMPTY, VT_UI1, VT_I2, VT_I4, VT_I8, VT_BSTR, VT_R4,
3227 VT_R8, VT_CY, VT_DATE, VT_DECIMAL, VT_DISPATCH,
3228 VT_NULL, VT_ERROR };
3229
3230 /* Mapping for coercion from input variant to priority of result variant. */
3231 static const VARTYPE coerce[] = {
3232 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
3233 vt_EMPTY, vt_NULL, vt_I2, vt_I4, vt_R4,
3234 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
3235 vt_R8, vt_CY, vt_DATE, vt_BSTR, vt_DISPATCH,
3236 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
3237 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
3238 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
3239 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
3240 };
3241
3242 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3243 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
3244 result);
3245
3246 VariantInit(&lv);
3247 VariantInit(&rv);
3248 VariantInit(&tv);
3249 VariantInit(&tempLeft);
3250 VariantInit(&tempRight);
3251
3252 /* Handle VT_DISPATCH by storing and taking address of returned value */
3253 if ((V_VT(left) & VT_TYPEMASK) != VT_NULL && (V_VT(right) & VT_TYPEMASK) != VT_NULL)
3254 {
3255 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
3256 {
3257 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
3258 if (FAILED(hres)) goto end;
3259 left = &tempLeft;
3260 }
3261 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
3262 {
3263 hres = VARIANT_FetchDispatchValue(right, &tempRight);
3264 if (FAILED(hres)) goto end;
3265 right = &tempRight;
3266 }
3267 }
3268
3269 lvt = V_VT(left)&VT_TYPEMASK;
3270 rvt = V_VT(right)&VT_TYPEMASK;
3271
3272 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
3273 Same for any input variant type > VT_I8 */
3274 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
3275 lvt > VT_I8 || rvt > VT_I8) {
3276 hres = DISP_E_BADVARTYPE;
3277 goto end;
3278 }
3279
3280 /* Determine the variant type to coerce to. */
3281 if (coerce[lvt] > coerce[rvt]) {
3282 resvt = prio2vt[coerce[lvt]];
3283 tvt = prio2vt[coerce[rvt]];
3284 } else {
3285 resvt = prio2vt[coerce[rvt]];
3286 tvt = prio2vt[coerce[lvt]];
3287 }
3288
3289 /* Special cases where the result variant type is defined by both
3290 input variants and not only that with the highest priority */
3291 if (resvt == VT_BSTR) {
3292 if (tvt == VT_EMPTY || tvt == VT_BSTR)
3293 resvt = VT_BSTR;
3294 else
3295 resvt = VT_R8;
3296 }
3297 if (resvt == VT_R4 && (tvt == VT_BSTR || tvt == VT_I8 || tvt == VT_I4))
3298 resvt = VT_R8;
3299
3300 /* For overflow detection use the biggest compatible type for the
3301 addition */
3302 switch (resvt) {
3303 case VT_ERROR:
3304 hres = DISP_E_BADVARTYPE;
3305 goto end;
3306 case VT_NULL:
3307 hres = S_OK;
3308 V_VT(result) = VT_NULL;
3309 goto end;
3310 case VT_DISPATCH:
3311 FIXME("cannot handle variant type VT_DISPATCH\n");
3312 hres = DISP_E_TYPEMISMATCH;
3313 goto end;
3314 case VT_EMPTY:
3315 resvt = VT_I2;
3316 /* Fall through */
3317 case VT_UI1:
3318 case VT_I2:
3319 case VT_I4:
3320 case VT_I8:
3321 tvt = VT_I8;
3322 break;
3323 case VT_DATE:
3324 case VT_R4:
3325 tvt = VT_R8;
3326 break;
3327 default:
3328 tvt = resvt;
3329 }
3330
3331 /* Now coerce the variants */
3332 hres = VariantChangeType(&lv, left, 0, tvt);
3333 if (FAILED(hres))
3334 goto end;
3335 hres = VariantChangeType(&rv, right, 0, tvt);
3336 if (FAILED(hres))
3337 goto end;
3338
3339 /* Do the math */
3340 hres = S_OK;
3341 V_VT(result) = resvt;
3342 switch (tvt) {
3343 case VT_DECIMAL:
3344 hres = VarDecAdd(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
3345 &V_DECIMAL(result));
3346 goto end;
3347 case VT_CY:
3348 hres = VarCyAdd(V_CY(&lv), V_CY(&rv), &V_CY(result));
3349 goto end;
3350 case VT_BSTR:
3351 /* We do not add those, we concatenate them. */
3352 hres = VarBstrCat(V_BSTR(&lv), V_BSTR(&rv), &V_BSTR(result));
3353 goto end;
3354 case VT_I8:
3355 /* Overflow detection */
3356 r8res = (double)V_I8(&lv) + (double)V_I8(&rv);
3357 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
3358 V_VT(result) = VT_R8;
3359 V_R8(result) = r8res;
3360 goto end;
3361 } else {
3362 V_VT(&tv) = tvt;
3363 V_I8(&tv) = V_I8(&lv) + V_I8(&rv);
3364 }
3365 break;
3366 case VT_R8:
3367 V_VT(&tv) = tvt;
3368 /* FIXME: overflow detection */
3369 V_R8(&tv) = V_R8(&lv) + V_R8(&rv);
3370 break;
3371 default:
3372 ERR("We shouldn't get here! tvt = %d!\n", tvt);
3373 break;
3374 }
3375 if (resvt != tvt) {
3376 if ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
3377 /* Overflow! Change to the vartype with the next higher priority.
3378 With one exception: I4 ==> R8 even if it would fit in I8 */
3379 if (resvt == VT_I4)
3380 resvt = VT_R8;
3381 else
3382 resvt = prio2vt[coerce[resvt] + 1];
3383 hres = VariantChangeType(result, &tv, 0, resvt);
3384 }
3385 } else
3386 hres = VariantCopy(result, &tv);
3387
3388 end:
3389 if (hres != S_OK) {
3390 V_VT(result) = VT_EMPTY;
3391 V_I4(result) = 0; /* No V_EMPTY */
3392 }
3393 VariantClear(&lv);
3394 VariantClear(&rv);
3395 VariantClear(&tv);
3396 VariantClear(&tempLeft);
3397 VariantClear(&tempRight);
3398 TRACE("returning 0x%8x (variant type %s)\n", hres, debugstr_VT(result));
3399 return hres;
3400 }
3401
3402 /**********************************************************************
3403 * VarMul [OLEAUT32.156]
3404 *
3405 * Multiply two variants.
3406 *
3407 * PARAMS
3408 * left [I] First variant
3409 * right [I] Second variant
3410 * result [O] Result variant
3411 *
3412 * RETURNS
3413 * Success: S_OK.
3414 * Failure: An HRESULT error code indicating the error.
3415 *
3416 * NOTES
3417 * Native VarMul up to and including WinXP doesn't like I1, UI2, UI4,
3418 * UI8, INT and UINT as input variants. But it can multiply apples with oranges.
3419 *
3420 * Native VarMul doesn't check for NULL in/out pointers and crashes. We do the
3421 * same here.
3422 *
3423 * FIXME
3424 * Overflow checking for R8 (double) overflow. Return DISP_E_OVERFLOW in that
3425 * case.
3426 */
3427 HRESULT WINAPI VarMul(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3428 {
3429 HRESULT hres;
3430 VARTYPE lvt, rvt, resvt, tvt;
3431 VARIANT lv, rv, tv;
3432 VARIANT tempLeft, tempRight;
3433 double r8res;
3434
3435 /* Variant priority for coercion. Sorted from lowest to highest.
3436 VT_ERROR shows an invalid input variant type. */
3437 enum coerceprio { vt_UI1 = 0, vt_I2, vt_I4, vt_I8, vt_CY, vt_R4, vt_R8,
3438 vt_DECIMAL, vt_NULL, vt_ERROR };
3439 /* Mapping from priority to variant type. Keep in sync with coerceprio! */
3440 static const VARTYPE prio2vt[] = { VT_UI1, VT_I2, VT_I4, VT_I8, VT_CY, VT_R4, VT_R8,
3441 VT_DECIMAL, VT_NULL, VT_ERROR };
3442
3443 /* Mapping for coercion from input variant to priority of result variant. */
3444 static const VARTYPE coerce[] = {
3445 /* VT_EMPTY, VT_NULL, VT_I2, VT_I4, VT_R4 */
3446 vt_UI1, vt_NULL, vt_I2, vt_I4, vt_R4,
3447 /* VT_R8, VT_CY, VT_DATE, VT_BSTR, VT_DISPATCH */
3448 vt_R8, vt_CY, vt_R8, vt_R8, vt_ERROR,
3449 /* VT_ERROR, VT_BOOL, VT_VARIANT, VT_UNKNOWN, VT_DECIMAL */
3450 vt_ERROR, vt_I2, vt_ERROR, vt_ERROR, vt_DECIMAL,
3451 /* 15, VT_I1, VT_UI1, VT_UI2, VT_UI4 VT_I8 */
3452 vt_ERROR, vt_ERROR, vt_UI1, vt_ERROR, vt_ERROR, vt_I8
3453 };
3454
3455 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3456 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right),
3457 result);
3458
3459 VariantInit(&lv);
3460 VariantInit(&rv);
3461 VariantInit(&tv);
3462 VariantInit(&tempLeft);
3463 VariantInit(&tempRight);
3464
3465 /* Handle VT_DISPATCH by storing and taking address of returned value */
3466 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
3467 {
3468 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
3469 if (FAILED(hres)) goto end;
3470 left = &tempLeft;
3471 }
3472 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
3473 {
3474 hres = VARIANT_FetchDispatchValue(right, &tempRight);
3475 if (FAILED(hres)) goto end;
3476 right = &tempRight;
3477 }
3478
3479 lvt = V_VT(left)&VT_TYPEMASK;
3480 rvt = V_VT(right)&VT_TYPEMASK;
3481
3482 /* If we have any flag set (VT_ARRAY, VT_VECTOR, etc.) bail out.
3483 Same for any input variant type > VT_I8 */
3484 if (V_VT(left) & ~VT_TYPEMASK || V_VT(right) & ~VT_TYPEMASK ||
3485 lvt > VT_I8 || rvt > VT_I8) {
3486 hres = DISP_E_BADVARTYPE;
3487 goto end;
3488 }
3489
3490 /* Determine the variant type to coerce to. */
3491 if (coerce[lvt] > coerce[rvt]) {
3492 resvt = prio2vt[coerce[lvt]];
3493 tvt = prio2vt[coerce[rvt]];
3494 } else {
3495 resvt = prio2vt[coerce[rvt]];
3496 tvt = prio2vt[coerce[lvt]];
3497 }
3498
3499 /* Special cases where the result variant type is defined by both
3500 input variants and not only that with the highest priority */
3501 if (resvt == VT_R4 && (tvt == VT_CY || tvt == VT_I8 || tvt == VT_I4))
3502 resvt = VT_R8;
3503 if (lvt == VT_EMPTY && rvt == VT_EMPTY)
3504 resvt = VT_I2;
3505
3506 /* For overflow detection use the biggest compatible type for the
3507 multiplication */
3508 switch (resvt) {
3509 case VT_ERROR:
3510 hres = DISP_E_BADVARTYPE;
3511 goto end;
3512 case VT_NULL:
3513 hres = S_OK;
3514 V_VT(result) = VT_NULL;
3515 goto end;
3516 case VT_UI1:
3517 case VT_I2:
3518 case VT_I4:
3519 case VT_I8:
3520 tvt = VT_I8;
3521 break;
3522 case VT_R4:
3523 tvt = VT_R8;
3524 break;
3525 default:
3526 tvt = resvt;
3527 }
3528
3529 /* Now coerce the variants */
3530 hres = VariantChangeType(&lv, left, 0, tvt);
3531 if (FAILED(hres))
3532 goto end;
3533 hres = VariantChangeType(&rv, right, 0, tvt);
3534 if (FAILED(hres))
3535 goto end;
3536
3537 /* Do the math */
3538 hres = S_OK;
3539 V_VT(&tv) = tvt;
3540 V_VT(result) = resvt;
3541 switch (tvt) {
3542 case VT_DECIMAL:
3543 hres = VarDecMul(&V_DECIMAL(&lv), &V_DECIMAL(&rv),
3544 &V_DECIMAL(result));
3545 goto end;
3546 case VT_CY:
3547 hres = VarCyMul(V_CY(&lv), V_CY(&rv), &V_CY(result));
3548 goto end;
3549 case VT_I8:
3550 /* Overflow detection */
3551 r8res = (double)V_I8(&lv) * (double)V_I8(&rv);
3552 if (r8res > (double)I8_MAX || r8res < (double)I8_MIN) {
3553 V_VT(result) = VT_R8;
3554 V_R8(result) = r8res;
3555 goto end;
3556 } else
3557 V_I8(&tv) = V_I8(&lv) * V_I8(&rv);
3558 break;
3559 case VT_R8:
3560 /* FIXME: overflow detection */
3561 V_R8(&tv) = V_R8(&lv) * V_R8(&rv);
3562 break;
3563 default:
3564 ERR("We shouldn't get here! tvt = %d!\n", tvt);
3565 break;
3566 }
3567 if (resvt != tvt) {
3568 while ((hres = VariantChangeType(result, &tv, 0, resvt)) != S_OK) {
3569 /* Overflow! Change to the vartype with the next higher priority.
3570 With one exception: I4 ==> R8 even if it would fit in I8 */
3571 if (resvt == VT_I4)
3572 resvt = VT_R8;
3573 else
3574 resvt = prio2vt[coerce[resvt] + 1];
3575 }
3576 } else
3577 hres = VariantCopy(result, &tv);
3578
3579 end:
3580 if (hres != S_OK) {
3581 V_VT(result) = VT_EMPTY;
3582 V_I4(result) = 0; /* No V_EMPTY */
3583 }
3584 VariantClear(&lv);
3585 VariantClear(&rv);
3586 VariantClear(&tv);
3587 VariantClear(&tempLeft);
3588 VariantClear(&tempRight);
3589 TRACE("returning 0x%8x (variant type %s)\n", hres, debugstr_VT(result));
3590 return hres;
3591 }
3592
3593 /**********************************************************************
3594 * VarDiv [OLEAUT32.143]
3595 *
3596 * Divides one variant with another.
3597 *
3598 * PARAMS
3599 * left [I] First variant
3600 * right [I] Second variant
3601 * result [O] Result variant
3602 *
3603 * RETURNS
3604 * Success: S_OK.
3605 * Failure: An HRESULT error code indicating the error.
3606 */
3607 HRESULT WINAPI VarDiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3608 {
3609 HRESULT hres = S_OK;
3610 VARTYPE resvt = VT_EMPTY;
3611 VARTYPE leftvt,rightvt;
3612 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
3613 VARIANT lv,rv;
3614 VARIANT tempLeft, tempRight;
3615
3616 VariantInit(&tempLeft);
3617 VariantInit(&tempRight);
3618 VariantInit(&lv);
3619 VariantInit(&rv);
3620
3621 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3622 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3623
3624 /* Handle VT_DISPATCH by storing and taking address of returned value */
3625 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
3626 {
3627 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
3628 if (FAILED(hres)) goto end;
3629 left = &tempLeft;
3630 }
3631 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
3632 {
3633 hres = VARIANT_FetchDispatchValue(right, &tempRight);
3634 if (FAILED(hres)) goto end;
3635 right = &tempRight;
3636 }
3637
3638 leftvt = V_VT(left)&VT_TYPEMASK;
3639 rightvt = V_VT(right)&VT_TYPEMASK;
3640 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
3641 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
3642
3643 if (leftExtraFlags != rightExtraFlags)
3644 {
3645 hres = DISP_E_BADVARTYPE;
3646 goto end;
3647 }
3648 ExtraFlags = leftExtraFlags;
3649
3650 /* Native VarDiv always returns an error when using extra flags */
3651 if (ExtraFlags != 0)
3652 {
3653 hres = DISP_E_BADVARTYPE;
3654 goto end;
3655 }
3656
3657 /* Determine return type */
3658 if (!(rightvt == VT_EMPTY))
3659 {
3660 if (leftvt == VT_NULL || rightvt == VT_NULL)
3661 {
3662 V_VT(result) = VT_NULL;
3663 hres = S_OK;
3664 goto end;
3665 }
3666 else if (leftvt == VT_DECIMAL || rightvt == VT_DECIMAL)
3667 resvt = VT_DECIMAL;
3668 else if (leftvt == VT_I8 || rightvt == VT_I8 ||
3669 leftvt == VT_CY || rightvt == VT_CY ||
3670 leftvt == VT_DATE || rightvt == VT_DATE ||
3671 leftvt == VT_I4 || rightvt == VT_I4 ||
3672 leftvt == VT_BSTR || rightvt == VT_BSTR ||
3673 leftvt == VT_I2 || rightvt == VT_I2 ||
3674 leftvt == VT_BOOL || rightvt == VT_BOOL ||
3675 leftvt == VT_R8 || rightvt == VT_R8 ||
3676 leftvt == VT_UI1 || rightvt == VT_UI1)
3677 {
3678 if ((leftvt == VT_UI1 && rightvt == VT_R4) ||
3679 (leftvt == VT_R4 && rightvt == VT_UI1))
3680 resvt = VT_R4;
3681 else if ((leftvt == VT_R4 && (rightvt == VT_BOOL ||
3682 rightvt == VT_I2)) || (rightvt == VT_R4 &&
3683 (leftvt == VT_BOOL || leftvt == VT_I2)))
3684 resvt = VT_R4;
3685 else
3686 resvt = VT_R8;
3687 }
3688 else if (leftvt == VT_R4 || rightvt == VT_R4)
3689 resvt = VT_R4;
3690 }
3691 else if (leftvt == VT_NULL && rightvt == VT_EMPTY)
3692 {
3693 V_VT(result) = VT_NULL;
3694 hres = S_OK;
3695 goto end;
3696 }
3697 else
3698 {
3699 hres = DISP_E_BADVARTYPE;
3700 goto end;
3701 }
3702
3703 /* coerce to the result type */
3704 hres = VariantChangeType(&lv, left, 0, resvt);
3705 if (hres != S_OK) goto end;
3706
3707 hres = VariantChangeType(&rv, right, 0, resvt);
3708 if (hres != S_OK) goto end;
3709
3710 /* do the math */
3711 V_VT(result) = resvt;
3712 switch (resvt)
3713 {
3714 case VT_R4:
3715 if (V_R4(&lv) == 0.0 && V_R4(&rv) == 0.0)
3716 {
3717 hres = DISP_E_OVERFLOW;
3718 V_VT(result) = VT_EMPTY;
3719 }
3720 else if (V_R4(&rv) == 0.0)
3721 {
3722 hres = DISP_E_DIVBYZERO;
3723 V_VT(result) = VT_EMPTY;
3724 }
3725 else
3726 V_R4(result) = V_R4(&lv) / V_R4(&rv);
3727 break;
3728 case VT_R8:
3729 if (V_R8(&lv) == 0.0 && V_R8(&rv) == 0.0)
3730 {
3731 hres = DISP_E_OVERFLOW;
3732 V_VT(result) = VT_EMPTY;
3733 }
3734 else if (V_R8(&rv) == 0.0)
3735 {
3736 hres = DISP_E_DIVBYZERO;
3737 V_VT(result) = VT_EMPTY;
3738 }
3739 else
3740 V_R8(result) = V_R8(&lv) / V_R8(&rv);
3741 break;
3742 case VT_DECIMAL:
3743 hres = VarDecDiv(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
3744 break;
3745 }
3746
3747 end:
3748 VariantClear(&lv);
3749 VariantClear(&rv);
3750 VariantClear(&tempLeft);
3751 VariantClear(&tempRight);
3752 TRACE("returning 0x%8x (variant type %s)\n", hres, debugstr_VT(result));
3753 return hres;
3754 }
3755
3756 /**********************************************************************
3757 * VarSub [OLEAUT32.159]
3758 *
3759 * Subtract two variants.
3760 *
3761 * PARAMS
3762 * left [I] First variant
3763 * right [I] Second variant
3764 * result [O] Result variant
3765 *
3766 * RETURNS
3767 * Success: S_OK.
3768 * Failure: An HRESULT error code indicating the error.
3769 */
3770 HRESULT WINAPI VarSub(LPVARIANT left, LPVARIANT right, LPVARIANT result)
3771 {
3772 HRESULT hres = S_OK;
3773 VARTYPE resvt = VT_EMPTY;
3774 VARTYPE leftvt,rightvt;
3775 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
3776 VARIANT lv,rv;
3777 VARIANT tempLeft, tempRight;
3778
3779 VariantInit(&lv);
3780 VariantInit(&rv);
3781 VariantInit(&tempLeft);
3782 VariantInit(&tempRight);
3783
3784 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
3785 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
3786
3787 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH &&
3788 (V_VT(left)&(~VT_TYPEMASK)) == 0 &&
3789 (V_VT(right) & VT_TYPEMASK) != VT_NULL)
3790 {
3791 if (NULL == V_DISPATCH(left)) {
3792 if ((V_VT(right) & VT_TYPEMASK) >= VT_INT_PTR)
3793 hres = DISP_E_BADVARTYPE;
3794 else if ((V_VT(right) & VT_TYPEMASK) >= VT_UI8 &&
3795 (V_VT(right) & VT_TYPEMASK) < VT_RECORD)
3796 hres = DISP_E_BADVARTYPE;
3797 else switch (V_VT(right) & VT_TYPEMASK)
3798 {
3799 case VT_VARIANT:
3800 case VT_UNKNOWN:
3801 case 15:
3802 case VT_I1:
3803 case VT_UI2:
3804 case VT_UI4:
3805 hres = DISP_E_BADVARTYPE;
3806 }
3807 if (FAILED(hres)) goto end;
3808 }
3809 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
3810 if (FAILED(hres)) goto end;
3811 left = &tempLeft;
3812 }
3813 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH &&
3814 (V_VT(right)&(~VT_TYPEMASK)) == 0 &&
3815 (V_VT(left) & VT_TYPEMASK) != VT_NULL)
3816 {
3817 if (NULL == V_DISPATCH(right))
3818 {
3819 if ((V_VT(left) & VT_TYPEMASK) >= VT_INT_PTR)
3820 hres = DISP_E_BADVARTYPE;
3821 else if ((V_VT(left) & VT_TYPEMASK) >= VT_UI8 &&
3822 (V_VT(left) & VT_TYPEMASK) < VT_RECORD)
3823 hres = DISP_E_BADVARTYPE;
3824 else switch (V_VT(left) & VT_TYPEMASK)
3825 {
3826 case VT_VARIANT:
3827 case VT_UNKNOWN:
3828 case 15:
3829 case VT_I1:
3830 case VT_UI2:
3831 case VT_UI4:
3832 hres = DISP_E_BADVARTYPE;
3833 }
3834 if (FAILED(hres)) goto end;
3835 }
3836 hres = VARIANT_FetchDispatchValue(right, &tempRight);
3837 if (FAILED(hres)) goto end;
3838 right = &tempRight;
3839 }
3840
3841 leftvt = V_VT(left)&VT_TYPEMASK;
3842 rightvt = V_VT(right)&VT_TYPEMASK;
3843 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
3844 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
3845
3846 if (leftExtraFlags != rightExtraFlags)
3847 {
3848 hres = DISP_E_BADVARTYPE;
3849 goto end;
3850 }
3851 ExtraFlags = leftExtraFlags;
3852
3853 /* determine return type and return code */
3854 /* All extra flags produce errors */
3855 if (ExtraFlags == (VT_VECTOR|VT_BYREF|VT_RESERVED) ||
3856 ExtraFlags == (VT_VECTOR|VT_RESERVED) ||
3857 ExtraFlags == (VT_VECTOR|VT_BYREF) ||
3858 ExtraFlags == (VT_BYREF|VT_RESERVED) ||
3859 ExtraFlags == VT_VECTOR ||
3860 ExtraFlags == VT_BYREF ||
3861 ExtraFlags == VT_RESERVED)
3862 {
3863 hres = DISP_E_BADVARTYPE;
3864 goto end;
3865 }
3866 else if (ExtraFlags >= VT_ARRAY)
3867 {
3868 hres = DISP_E_TYPEMISMATCH;
3869 goto end;
3870 }
3871 /* Native VarSub cannot handle: VT_I1, VT_UI2, VT_UI4,
3872 VT_INT, VT_UINT and VT_UI8. Tested with WinXP */
3873 else if (leftvt == VT_CLSID || rightvt == VT_CLSID ||
3874 leftvt == VT_VARIANT || rightvt == VT_VARIANT ||
3875 leftvt == VT_I1 || rightvt == VT_I1 ||
3876 leftvt == VT_UI2 || rightvt == VT_UI2 ||
3877 leftvt == VT_UI4 || rightvt == VT_UI4 ||
3878 leftvt == VT_UI8 || rightvt == VT_UI8 ||
3879 leftvt == VT_INT || rightvt == VT_INT ||
3880 leftvt == VT_UINT || rightvt == VT_UINT ||
3881 leftvt == VT_UNKNOWN || rightvt == VT_UNKNOWN ||
3882 leftvt == VT_RECORD || rightvt == VT_RECORD)
3883 {
3884 if (leftvt == VT_RECORD && rightvt == VT_I8)
3885 hres = DISP_E_TYPEMISMATCH;
3886 else if (leftvt < VT_UI1 && rightvt == VT_RECORD)
3887 hres = DISP_E_TYPEMISMATCH;
3888 else if (leftvt >= VT_UI1 && rightvt == VT_RECORD)
3889 hres = DISP_E_TYPEMISMATCH;
3890 else if (leftvt == VT_RECORD && rightvt <= VT_UI1)
3891 hres = DISP_E_TYPEMISMATCH;
3892 else if (leftvt == VT_RECORD && rightvt > VT_UI1)
3893 hres = DISP_E_BADVARTYPE;
3894 else
3895 hres = DISP_E_BADVARTYPE;
3896 goto end;
3897 }
3898 /* The following flags/types are invalid for left variant */
3899 else if (!((leftvt <= VT_LPWSTR || leftvt == VT_RECORD ||
3900 leftvt == VT_CLSID) && leftvt != (VARTYPE)15 /* undefined vt */ &&
3901 (leftvt < VT_VOID || leftvt > VT_LPWSTR)))
3902 {
3903 hres = DISP_E_BADVARTYPE;
3904 goto end;
3905 }
3906 /* The following flags/types are invalid for right variant */
3907 else if (!((rightvt <= VT_LPWSTR || rightvt == VT_RECORD ||
3908 rightvt == VT_CLSID) && rightvt != (VARTYPE)15 /* undefined vt */ &&
3909 (rightvt < VT_VOID || rightvt > VT_LPWSTR)))
3910 {
3911 hres = DISP_E_BADVARTYPE;
3912 goto end;
3913 }
3914 else if ((leftvt == VT_NULL && rightvt == VT_DISPATCH) ||
3915 (leftvt == VT_DISPATCH && rightvt == VT_NULL))
3916 resvt = VT_NULL;
3917 else if (leftvt == VT_DISPATCH || rightvt == VT_DISPATCH ||
3918 leftvt == VT_ERROR || rightvt == VT_ERROR)
3919 {
3920 hres = DISP_E_TYPEMISMATCH;
3921 goto end;
3922 }
3923 else if (leftvt == VT_NULL || rightvt == VT_NULL)
3924 resvt = VT_NULL;
3925 else if ((leftvt == VT_EMPTY && rightvt == VT_BSTR) ||
3926 (leftvt == VT_DATE && rightvt == VT_DATE) ||
3927 (leftvt == VT_BSTR && rightvt == VT_EMPTY) ||
3928 (leftvt == VT_BSTR && rightvt == VT_BSTR))
3929 resvt = VT_R8;
3930 else if (leftvt == VT_DECIMAL || rightvt == VT_DECIMAL)
3931 resvt = VT_DECIMAL;
3932 else if (leftvt == VT_DATE || rightvt == VT_DATE)
3933 resvt = VT_DATE;
3934 else if (leftvt == VT_CY || rightvt == VT_CY)
3935 resvt = VT_CY;
3936 else if (leftvt == VT_R8 || rightvt == VT_R8)
3937 resvt = VT_R8;
3938 else if (leftvt == VT_BSTR || rightvt == VT_BSTR)
3939 resvt = VT_R8;
3940 else if (leftvt == VT_R4 || rightvt == VT_R4)
3941 {
3942 if (leftvt == VT_I4 || rightvt == VT_I4 ||
3943 leftvt == VT_I8 || rightvt == VT_I8)
3944 resvt = VT_R8;
3945 else
3946 resvt = VT_R4;
3947 }
3948 else if (leftvt == VT_I8 || rightvt == VT_I8)
3949 resvt = VT_I8;
3950 else if (leftvt == VT_I4 || rightvt == VT_I4)
3951 resvt = VT_I4;
3952 else if (leftvt == VT_I2 || rightvt == VT_I2 ||
3953 leftvt == VT_BOOL || rightvt == VT_BOOL ||
3954 (leftvt == VT_EMPTY && rightvt == VT_EMPTY))
3955 resvt = VT_I2;
3956 else if (leftvt == VT_UI1 || rightvt == VT_UI1)
3957 resvt = VT_UI1;
3958 else
3959 {
3960 hres = DISP_E_TYPEMISMATCH;
3961 goto end;
3962 }
3963
3964 /* coerce to the result type */
3965 if (leftvt == VT_BSTR && rightvt == VT_DATE)
3966 hres = VariantChangeType(&lv, left, 0, VT_R8);
3967 else
3968 hres = VariantChangeType(&lv, left, 0, resvt);
3969 if (hres != S_OK) goto end;
3970 if (leftvt == VT_DATE && rightvt == VT_BSTR)
3971 hres = VariantChangeType(&rv, right, 0, VT_R8);
3972 else
3973 hres = VariantChangeType(&rv, right, 0, resvt);
3974 if (hres != S_OK) goto end;
3975
3976 /* do the math */
3977 V_VT(result) = resvt;
3978 switch (resvt)
3979 {
3980 case VT_NULL:
3981 break;
3982 case VT_DATE:
3983 V_DATE(result) = V_DATE(&lv) - V_DATE(&rv);
3984 break;
3985 case VT_CY:
3986 hres = VarCySub(V_CY(&lv), V_CY(&rv), &(V_CY(result)));
3987 break;
3988 case VT_R4:
3989 V_R4(result) = V_R4(&lv) - V_R4(&rv);
3990 break;
3991 case VT_I8:
3992 V_I8(result) = V_I8(&lv) - V_I8(&rv);
3993 break;
3994 case VT_I4:
3995 V_I4(result) = V_I4(&lv) - V_I4(&rv);
3996 break;
3997 case VT_I2:
3998 V_I2(result) = V_I2(&lv) - V_I2(&rv);
3999 break;
4000 case VT_I1:
4001 V_I1(result) = V_I1(&lv) - V_I1(&rv);
4002 break;
4003 case VT_UI1:
4004 V_UI1(result) = V_UI2(&lv) - V_UI1(&rv);
4005 break;
4006 case VT_R8:
4007 V_R8(result) = V_R8(&lv) - V_R8(&rv);
4008 break;
4009 case VT_DECIMAL:
4010 hres = VarDecSub(&(V_DECIMAL(&lv)), &(V_DECIMAL(&rv)), &(V_DECIMAL(result)));
4011 break;
4012 }
4013
4014 end:
4015 VariantClear(&lv);
4016 VariantClear(&rv);
4017 VariantClear(&tempLeft);
4018 VariantClear(&tempRight);
4019 TRACE("returning 0x%8x (variant type %s)\n", hres, debugstr_VT(result));
4020 return hres;
4021 }
4022
4023
4024 /**********************************************************************
4025 * VarOr [OLEAUT32.157]
4026 *
4027 * Perform a logical or (OR) operation on two variants.
4028 *
4029 * PARAMS
4030 * pVarLeft [I] First variant
4031 * pVarRight [I] Variant to OR with pVarLeft
4032 * pVarOut [O] Destination for OR result
4033 *
4034 * RETURNS
4035 * Success: S_OK. pVarOut contains the result of the operation with its type
4036 * taken from the table listed under VarXor().
4037 * Failure: An HRESULT error code indicating the error.
4038 *
4039 * NOTES
4040 * See the Notes section of VarXor() for further information.
4041 */
4042 HRESULT WINAPI VarOr(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
4043 {
4044 VARTYPE vt = VT_I4;
4045 VARIANT varLeft, varRight, varStr;
4046 HRESULT hRet;
4047 VARIANT tempLeft, tempRight;
4048
4049 VariantInit(&tempLeft);
4050 VariantInit(&tempRight);
4051 VariantInit(&varLeft);
4052 VariantInit(&varRight);
4053 VariantInit(&varStr);
4054
4055 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
4056 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
4057 debugstr_VF(pVarRight), pVarOut);
4058
4059 /* Handle VT_DISPATCH by storing and taking address of returned value */
4060 if ((V_VT(pVarLeft) & VT_TYPEMASK) == VT_DISPATCH)
4061 {
4062 hRet = VARIANT_FetchDispatchValue(pVarLeft, &tempLeft);
4063 if (FAILED(hRet)) goto VarOr_Exit;
4064 pVarLeft = &tempLeft;
4065 }
4066 if ((V_VT(pVarRight) & VT_TYPEMASK) == VT_DISPATCH)
4067 {
4068 hRet = VARIANT_FetchDispatchValue(pVarRight, &tempRight);
4069 if (FAILED(hRet)) goto VarOr_Exit;
4070 pVarRight = &tempRight;
4071 }
4072
4073 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
4074 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
4075 V_VT(pVarLeft) == VT_DISPATCH || V_VT(pVarRight) == VT_DISPATCH ||
4076 V_VT(pVarLeft) == VT_RECORD || V_VT(pVarRight) == VT_RECORD)
4077 {
4078 hRet = DISP_E_BADVARTYPE;
4079 goto VarOr_Exit;
4080 }
4081
4082 V_VT(&varLeft) = V_VT(&varRight) = V_VT(&varStr) = VT_EMPTY;
4083
4084 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
4085 {
4086 /* NULL OR Zero is NULL, NULL OR value is value */
4087 if (V_VT(pVarLeft) == VT_NULL)
4088 pVarLeft = pVarRight; /* point to the non-NULL var */
4089
4090 V_VT(pVarOut) = VT_NULL;
4091 V_I4(pVarOut) = 0;
4092
4093 switch (V_VT(pVarLeft))
4094 {
4095 case VT_DATE: case VT_R8:
4096 if (V_R8(pVarLeft))
4097 goto VarOr_AsEmpty;
4098 hRet = S_OK;
4099 goto VarOr_Exit;
4100 case VT_BOOL:
4101 if (V_BOOL(pVarLeft))
4102 *pVarOut = *pVarLeft;
4103 hRet = S_OK;
4104 goto VarOr_Exit;
4105 case VT_I2: case VT_UI2:
4106 if (V_I2(pVarLeft))
4107 goto VarOr_AsEmpty;
4108 hRet = S_OK;
4109 goto VarOr_Exit;
4110 case VT_I1:
4111 if (V_I1(pVarLeft))
4112 goto VarOr_AsEmpty;
4113 hRet = S_OK;
4114 goto VarOr_Exit;
4115 case VT_UI1:
4116 if (V_UI1(pVarLeft))
4117 *pVarOut = *pVarLeft;
4118 hRet = S_OK;
4119 goto VarOr_Exit;
4120 case VT_R4:
4121 if (V_R4(pVarLeft))
4122 goto VarOr_AsEmpty;
4123 hRet = S_OK;
4124 goto VarOr_Exit;
4125 case VT_I4: case VT_UI4: case VT_INT: case VT_UINT:
4126 if (V_I4(pVarLeft))
4127 goto VarOr_AsEmpty;
4128 hRet = S_OK;
4129 goto VarOr_Exit;
4130 case VT_CY:
4131 if (V_CY(pVarLeft).int64)
4132 goto VarOr_AsEmpty;
4133 hRet = S_OK;
4134 goto VarOr_Exit;
4135 case VT_I8: case VT_UI8:
4136 if (V_I8(pVarLeft))
4137 goto VarOr_AsEmpty;
4138 hRet = S_OK;
4139 goto VarOr_Exit;
4140 case VT_DECIMAL:
4141 if (DEC_HI32(&V_DECIMAL(pVarLeft)) || DEC_LO64(&V_DECIMAL(pVarLeft)))
4142 goto VarOr_AsEmpty;
4143 hRet = S_OK;
4144 goto VarOr_Exit;
4145 case VT_BSTR:
4146 {
4147 VARIANT_BOOL b;
4148
4149 if (!V_BSTR(pVarLeft))
4150 {
4151 hRet = DISP_E_BADVARTYPE;
4152 goto VarOr_Exit;
4153 }
4154
4155 hRet = VarBoolFromStr(V_BSTR(pVarLeft), LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
4156 if (SUCCEEDED(hRet) && b)
4157 {
4158 V_VT(pVarOut) = VT_BOOL;
4159 V_BOOL(pVarOut) = b;
4160 }
4161 goto VarOr_Exit;
4162 }
4163 case VT_NULL: case VT_EMPTY:
4164 V_VT(pVarOut) = VT_NULL;
4165 hRet = S_OK;
4166 goto VarOr_Exit;
4167 default:
4168 hRet = DISP_E_BADVARTYPE;
4169 goto VarOr_Exit;
4170 }
4171 }
4172
4173 if (V_VT(pVarLeft) == VT_EMPTY || V_VT(pVarRight) == VT_EMPTY)
4174 {
4175 if (V_VT(pVarLeft) == VT_EMPTY)
4176 pVarLeft = pVarRight; /* point to the non-EMPTY var */
4177
4178 VarOr_AsEmpty:
4179 /* Since one argument is empty (0), OR'ing it with the other simply
4180 * gives the others value (as 0|x => x). So just convert the other
4181 * argument to the required result type.
4182 */
4183 switch (V_VT(pVarLeft))
4184 {
4185 case VT_BSTR:
4186 if (!V_BSTR(pVarLeft))
4187 {
4188 hRet = DISP_E_BADVARTYPE;
4189 goto VarOr_Exit;
4190 }
4191
4192 hRet = VariantCopy(&varStr, pVarLeft);
4193 if (FAILED(hRet))
4194 goto VarOr_Exit;
4195 pVarLeft = &varStr;
4196 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
4197 if (FAILED(hRet))
4198 goto VarOr_Exit;
4199 /* Fall Through ... */
4200 case VT_EMPTY: case VT_UI1: case VT_BOOL: case VT_I2:
4201 V_VT(pVarOut) = VT_I2;
4202 break;
4203 case VT_DATE: case VT_CY: case VT_DECIMAL: case VT_R4: case VT_R8:
4204 case VT_I1: case VT_UI2: case VT_I4: case VT_UI4:
4205 case VT_INT: case VT_UINT: case VT_UI8:
4206 V_VT(pVarOut) = VT_I4;
4207 break;
4208 case VT_I8:
4209 V_VT(pVarOut) = VT_I8;
4210 break;
4211 default:
4212 hRet = DISP_E_BADVARTYPE;
4213 goto VarOr_Exit;
4214 }
4215 hRet = VariantCopy(&varLeft, pVarLeft);
4216 if (FAILED(hRet))
4217 goto VarOr_Exit;
4218 pVarLeft = &varLeft;
4219 hRet = VariantChangeType(pVarOut, pVarLeft, 0, V_VT(pVarOut));
4220 goto VarOr_Exit;
4221 }
4222
4223 if (V_VT(pVarLeft) == VT_BOOL && V_VT(pVarRight) == VT_BOOL)
4224 {
4225 V_VT(pVarOut) = VT_BOOL;
4226 V_BOOL(pVarOut) = V_BOOL(pVarLeft) | V_BOOL(pVarRight);
4227 hRet = S_OK;
4228 goto VarOr_Exit;
4229 }
4230
4231 if (V_VT(pVarLeft) == VT_UI1 && V_VT(pVarRight) == VT_UI1)
4232 {
4233 V_VT(pVarOut) = VT_UI1;
4234 V_UI1(pVarOut) = V_UI1(pVarLeft) | V_UI1(pVarRight);
4235 hRet = S_OK;
4236 goto VarOr_Exit;
4237 }
4238
4239 if (V_VT(pVarLeft) == VT_BSTR)
4240 {
4241 hRet = VariantCopy(&varStr, pVarLeft);
4242 if (FAILED(hRet))
4243 goto VarOr_Exit;
4244 pVarLeft = &varStr;
4245 hRet = VariantChangeType(pVarLeft, pVarLeft, 0, VT_BOOL);
4246 if (FAILED(hRet))
4247 goto VarOr_Exit;
4248 }
4249
4250 if (V_VT(pVarLeft) == VT_BOOL &&
4251 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_BSTR))
4252 {
4253 vt = VT_BOOL;
4254 }
4255 else if ((V_VT(pVarLeft) == VT_BOOL || V_VT(pVarLeft) == VT_UI1 ||
4256 V_VT(pVarLeft) == VT_I2 || V_VT(pVarLeft) == VT_BSTR) &&
4257 (V_VT(pVarRight) == VT_BOOL || V_VT(pVarRight) == VT_UI1 ||
4258 V_VT(pVarRight) == VT_I2 || V_VT(pVarRight) == VT_BSTR))
4259 {
4260 vt = VT_I2;
4261 }
4262 else if (V_VT(pVarLeft) == VT_I8 || V_VT(pVarRight) == VT_I8)
4263 {
4264 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
4265 {
4266 hRet = DISP_E_TYPEMISMATCH;
4267 goto VarOr_Exit;
4268 }
4269 vt = VT_I8;
4270 }
4271
4272 hRet = VariantCopy(&varLeft, pVarLeft);
4273 if (FAILED(hRet))
4274 goto VarOr_Exit;
4275
4276 hRet = VariantCopy(&varRight, pVarRight);
4277 if (FAILED(hRet))
4278 goto VarOr_Exit;
4279
4280 if (vt == VT_I4 && V_VT(&varLeft) == VT_UI4)
4281 V_VT(&varLeft) = VT_I4; /* Don't overflow */
4282 else
4283 {
4284 double d;
4285
4286 if (V_VT(&varLeft) == VT_BSTR &&
4287 FAILED(VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d)))
4288 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL, VT_BOOL);
4289 if (SUCCEEDED(hRet) && V_VT(&varLeft) != vt)
4290 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
4291 if (FAILED(hRet))
4292 goto VarOr_Exit;
4293 }
4294
4295 if (vt == VT_I4 && V_VT(&varRight) == VT_UI4)
4296 V_VT(&varRight) = VT_I4; /* Don't overflow */
4297 else
4298 {
4299 double d;
4300
4301 if (V_VT(&varRight) == VT_BSTR &&
4302 FAILED(VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d)))
4303 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL, VT_BOOL);
4304 if (SUCCEEDED(hRet) && V_VT(&varRight) != vt)
4305 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
4306 if (FAILED(hRet))
4307 goto VarOr_Exit;
4308 }
4309
4310 V_VT(pVarOut) = vt;
4311 if (vt == VT_I8)
4312 {
4313 V_I8(pVarOut) = V_I8(&varLeft) | V_I8(&varRight);
4314 }
4315 else if (vt == VT_I4)
4316 {
4317 V_I4(pVarOut) = V_I4(&varLeft) | V_I4(&varRight);
4318 }
4319 else
4320 {
4321 V_I2(pVarOut) = V_I2(&varLeft) | V_I2(&varRight);
4322 }
4323
4324 VarOr_Exit:
4325 VariantClear(&varStr);
4326 VariantClear(&varLeft);
4327 VariantClear(&varRight);
4328 VariantClear(&tempLeft);
4329 VariantClear(&tempRight);
4330 return hRet;
4331 }
4332
4333 /**********************************************************************
4334 * VarAbs [OLEAUT32.168]
4335 *
4336 * Convert a variant to its absolute value.
4337 *
4338 * PARAMS
4339 * pVarIn [I] Source variant
4340 * pVarOut [O] Destination for converted value
4341 *
4342 * RETURNS
4343 * Success: S_OK. pVarOut contains the absolute value of pVarIn.
4344 * Failure: An HRESULT error code indicating the error.
4345 *
4346 * NOTES
4347 * - This function does not process by-reference variants.
4348 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4349 * according to the following table:
4350 *| Input Type Output Type
4351 *| ---------- -----------
4352 *| VT_BOOL VT_I2
4353 *| VT_BSTR VT_R8
4354 *| (All others) Unchanged
4355 */
4356 HRESULT WINAPI VarAbs(LPVARIANT pVarIn, LPVARIANT pVarOut)
4357 {
4358 VARIANT varIn;
4359 HRESULT hRet = S_OK;
4360 VARIANT temp;
4361
4362 VariantInit(&temp);
4363
4364 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4365 debugstr_VF(pVarIn), pVarOut);
4366
4367 /* Handle VT_DISPATCH by storing and taking address of returned value */
4368 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
4369 {
4370 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
4371 if (FAILED(hRet)) goto VarAbs_Exit;
4372 pVarIn = &temp;
4373 }
4374
4375 if (V_ISARRAY(pVarIn) || V_VT(pVarIn) == VT_UNKNOWN ||
4376 V_VT(pVarIn) == VT_DISPATCH || V_VT(pVarIn) == VT_RECORD ||
4377 V_VT(pVarIn) == VT_ERROR)
4378 {
4379 hRet = DISP_E_TYPEMISMATCH;
4380 goto VarAbs_Exit;
4381 }
4382 *pVarOut = *pVarIn; /* Shallow copy the value, and invert it if needed */
4383
4384 #define ABS_CASE(typ,min) \
4385 case VT_##typ: if (V_##typ(pVarIn) == min) hRet = DISP_E_OVERFLOW; \
4386 else if (V_##typ(pVarIn) < 0) V_##typ(pVarOut) = -V_##typ(pVarIn); \
4387 break
4388
4389 switch (V_VT(pVarIn))
4390 {
4391 ABS_CASE(I1,I1_MIN);
4392 case VT_BOOL:
4393 V_VT(pVarOut) = VT_I2;
4394 /* BOOL->I2, Fall through ... */
4395 ABS_CASE(I2,I2_MIN);
4396 case VT_INT:
4397 ABS_CASE(I4,I4_MIN);
4398 ABS_CASE(I8,I8_MIN);
4399 ABS_CASE(R4,R4_MIN);
4400 case VT_BSTR:
4401 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
4402 if (FAILED(hRet))
4403 break;
4404 V_VT(pVarOut) = VT_R8;
4405 pVarIn = &varIn;
4406 /* Fall through ... */
4407 case VT_DATE:
4408 ABS_CASE(R8,R8_MIN);
4409 case VT_CY:
4410 hRet = VarCyAbs(V_CY(pVarIn), & V_CY(pVarOut));
4411 break;
4412 case VT_DECIMAL:
4413 DEC_SIGN(&V_DECIMAL(pVarOut)) &= ~DECIMAL_NEG;
4414 break;
4415 case VT_UI1:
4416 case VT_UI2:
4417 case VT_UINT:
4418 case VT_UI4:
4419 case VT_UI8:
4420 /* No-Op */
4421 break;
4422 case VT_EMPTY:
4423 V_VT(pVarOut) = VT_I2;
4424 case VT_NULL:
4425 V_I2(pVarOut) = 0;
4426 break;
4427 default:
4428 hRet = DISP_E_BADVARTYPE;
4429 }
4430
4431 VarAbs_Exit:
4432 VariantClear(&temp);
4433 return hRet;
4434 }
4435
4436 /**********************************************************************
4437 * VarFix [OLEAUT32.169]
4438 *
4439 * Truncate a variants value to a whole number.
4440 *
4441 * PARAMS
4442 * pVarIn [I] Source variant
4443 * pVarOut [O] Destination for converted value
4444 *
4445 * RETURNS
4446 * Success: S_OK. pVarOut contains the converted value.
4447 * Failure: An HRESULT error code indicating the error.
4448 *
4449 * NOTES
4450 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4451 * according to the following table:
4452 *| Input Type Output Type
4453 *| ---------- -----------
4454 *| VT_BOOL VT_I2
4455 *| VT_EMPTY VT_I2
4456 *| VT_BSTR VT_R8
4457 *| All Others Unchanged
4458 * - The difference between this function and VarInt() is that VarInt() rounds
4459 * negative numbers away from 0, while this function rounds them towards zero.
4460 */
4461 HRESULT WINAPI VarFix(LPVARIANT pVarIn, LPVARIANT pVarOut)
4462 {
4463 HRESULT hRet = S_OK;
4464 VARIANT temp;
4465
4466 VariantInit(&temp);
4467
4468 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4469 debugstr_VF(pVarIn), pVarOut);
4470
4471 /* Handle VT_DISPATCH by storing and taking address of returned value */
4472 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
4473 {
4474 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
4475 if (FAILED(hRet)) goto VarFix_Exit;
4476 pVarIn = &temp;
4477 }
4478 V_VT(pVarOut) = V_VT(pVarIn);
4479
4480 switch (V_VT(pVarIn))
4481 {
4482 case VT_UI1:
4483 V_UI1(pVarOut) = V_UI1(pVarIn);
4484 break;
4485 case VT_BOOL:
4486 V_VT(pVarOut) = VT_I2;
4487 /* Fall through */
4488 case VT_I2:
4489 V_I2(pVarOut) = V_I2(pVarIn);
4490 break;
4491 case VT_I4:
4492 V_I4(pVarOut) = V_I4(pVarIn);
4493 break;
4494 case VT_I8:
4495 V_I8(pVarOut) = V_I8(pVarIn);
4496 break;
4497 case VT_R4:
4498 if (V_R4(pVarIn) < 0.0f)
4499 V_R4(pVarOut) = (float)ceil(V_R4(pVarIn));
4500 else
4501 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
4502 break;
4503 case VT_BSTR:
4504 V_VT(pVarOut) = VT_R8;
4505 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
4506 pVarIn = pVarOut;
4507 /* Fall through */
4508 case VT_DATE:
4509 case VT_R8:
4510 if (V_R8(pVarIn) < 0.0)
4511 V_R8(pVarOut) = ceil(V_R8(pVarIn));
4512 else
4513 V_R8(pVarOut) = floor(V_R8(pVarIn));
4514 break;
4515 case VT_CY:
4516 hRet = VarCyFix(V_CY(pVarIn), &V_CY(pVarOut));
4517 break;
4518 case VT_DECIMAL:
4519 hRet = VarDecFix(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
4520 break;
4521 case VT_EMPTY:
4522 V_VT(pVarOut) = VT_I2;
4523 V_I2(pVarOut) = 0;
4524 break;
4525 case VT_NULL:
4526 /* No-Op */
4527 break;
4528 default:
4529 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4530 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4531 hRet = DISP_E_BADVARTYPE;
4532 else
4533 hRet = DISP_E_TYPEMISMATCH;
4534 }
4535 VarFix_Exit:
4536 if (FAILED(hRet))
4537 V_VT(pVarOut) = VT_EMPTY;
4538 VariantClear(&temp);
4539
4540 return hRet;
4541 }
4542
4543 /**********************************************************************
4544 * VarInt [OLEAUT32.172]
4545 *
4546 * Truncate a variants value to a whole number.
4547 *
4548 * PARAMS
4549 * pVarIn [I] Source variant
4550 * pVarOut [O] Destination for converted value
4551 *
4552 * RETURNS
4553 * Success: S_OK. pVarOut contains the converted value.
4554 * Failure: An HRESULT error code indicating the error.
4555 *
4556 * NOTES
4557 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4558 * according to the following table:
4559 *| Input Type Output Type
4560 *| ---------- -----------
4561 *| VT_BOOL VT_I2
4562 *| VT_EMPTY VT_I2
4563 *| VT_BSTR VT_R8
4564 *| All Others Unchanged
4565 * - The difference between this function and VarFix() is that VarFix() rounds
4566 * negative numbers towards 0, while this function rounds them away from zero.
4567 */
4568 HRESULT WINAPI VarInt(LPVARIANT pVarIn, LPVARIANT pVarOut)
4569 {
4570 HRESULT hRet = S_OK;
4571 VARIANT temp;
4572
4573 VariantInit(&temp);
4574
4575 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4576 debugstr_VF(pVarIn), pVarOut);
4577
4578 /* Handle VT_DISPATCH by storing and taking address of returned value */
4579 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
4580 {
4581 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
4582 if (FAILED(hRet)) goto VarInt_Exit;
4583 pVarIn = &temp;
4584 }
4585 V_VT(pVarOut) = V_VT(pVarIn);
4586
4587 switch (V_VT(pVarIn))
4588 {
4589 case VT_R4:
4590 V_R4(pVarOut) = (float)floor(V_R4(pVarIn));
4591 break;
4592 case VT_BSTR:
4593 V_VT(pVarOut) = VT_R8;
4594 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
4595 pVarIn = pVarOut;
4596 /* Fall through */
4597 case VT_DATE:
4598 case VT_R8:
4599 V_R8(pVarOut) = floor(V_R8(pVarIn));
4600 break;
4601 case VT_CY:
4602 hRet = VarCyInt(V_CY(pVarIn), &V_CY(pVarOut));
4603 break;
4604 case VT_DECIMAL:
4605 hRet = VarDecInt(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
4606 break;
4607 default:
4608 hRet = VarFix(pVarIn, pVarOut);
4609 }
4610 VarInt_Exit:
4611 VariantClear(&temp);
4612
4613 return hRet;
4614 }
4615
4616 /**********************************************************************
4617 * VarXor [OLEAUT32.167]
4618 *
4619 * Perform a logical exclusive-or (XOR) operation on two variants.
4620 *
4621 * PARAMS
4622 * pVarLeft [I] First variant
4623 * pVarRight [I] Variant to XOR with pVarLeft
4624 * pVarOut [O] Destination for XOR result
4625 *
4626 * RETURNS
4627 * Success: S_OK. pVarOut contains the result of the operation with its type
4628 * taken from the table below).
4629 * Failure: An HRESULT error code indicating the error.
4630 *
4631 * NOTES
4632 * - Neither pVarLeft or pVarRight are modified by this function.
4633 * - This function does not process by-reference variants.
4634 * - Input types of VT_BSTR may be numeric strings or boolean text.
4635 * - The type of result stored in pVarOut depends on the types of pVarLeft
4636 * and pVarRight, and will be one of VT_UI1, VT_I2, VT_I4, VT_I8, VT_BOOL,
4637 * or VT_NULL if the function succeeds.
4638 * - Type promotion is inconsistent and as a result certain combinations of
4639 * values will return DISP_E_OVERFLOW even when they could be represented.
4640 * This matches the behaviour of native oleaut32.
4641 */
4642 HRESULT WINAPI VarXor(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
4643 {
4644 VARTYPE vt;
4645 VARIANT varLeft, varRight;
4646 VARIANT tempLeft, tempRight;
4647 double d;
4648 HRESULT hRet;
4649
4650 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
4651 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
4652 debugstr_VF(pVarRight), pVarOut);
4653
4654 if (V_EXTRA_TYPE(pVarLeft) || V_EXTRA_TYPE(pVarRight) ||
4655 V_VT(pVarLeft) > VT_UINT || V_VT(pVarRight) > VT_UINT ||
4656 V_VT(pVarLeft) == VT_VARIANT || V_VT(pVarRight) == VT_VARIANT ||
4657 V_VT(pVarLeft) == VT_UNKNOWN || V_VT(pVarRight) == VT_UNKNOWN ||
4658 V_VT(pVarLeft) == (VARTYPE)15 || V_VT(pVarRight) == (VARTYPE)15 ||
4659 V_VT(pVarLeft) == VT_ERROR || V_VT(pVarRight) == VT_ERROR)
4660 return DISP_E_BADVARTYPE;
4661
4662 if (V_VT(pVarLeft) == VT_NULL || V_VT(pVarRight) == VT_NULL)
4663 {
4664 /* NULL XOR anything valid is NULL */
4665 V_VT(pVarOut) = VT_NULL;
4666 return S_OK;
4667 }
4668
4669 VariantInit(&tempLeft);
4670 VariantInit(&tempRight);
4671
4672 /* Handle VT_DISPATCH by storing and taking address of returned value */
4673 if ((V_VT(pVarLeft) & VT_TYPEMASK) == VT_DISPATCH)
4674 {
4675 hRet = VARIANT_FetchDispatchValue(pVarLeft, &tempLeft);
4676 if (FAILED(hRet)) goto VarXor_Exit;
4677 pVarLeft = &tempLeft;
4678 }
4679 if ((V_VT(pVarRight) & VT_TYPEMASK) == VT_DISPATCH)
4680 {
4681 hRet = VARIANT_FetchDispatchValue(pVarRight, &tempRight);
4682 if (FAILED(hRet)) goto VarXor_Exit;
4683 pVarRight = &tempRight;
4684 }
4685
4686 /* Copy our inputs so we don't disturb anything */
4687 V_VT(&varLeft) = V_VT(&varRight) = VT_EMPTY;
4688
4689 hRet = VariantCopy(&varLeft, pVarLeft);
4690 if (FAILED(hRet))
4691 goto VarXor_Exit;
4692
4693 hRet = VariantCopy(&varRight, pVarRight);
4694 if (FAILED(hRet))
4695 goto VarXor_Exit;
4696
4697 /* Try any strings first as numbers, then as VT_BOOL */
4698 if (V_VT(&varLeft) == VT_BSTR)
4699 {
4700 hRet = VarR8FromStr(V_BSTR(&varLeft), LOCALE_USER_DEFAULT, 0, &d);
4701 hRet = VariantChangeType(&varLeft, &varLeft, VARIANT_LOCALBOOL,
4702 FAILED(hRet) ? VT_BOOL : VT_I4);
4703 if (FAILED(hRet))
4704 goto VarXor_Exit;
4705 }
4706
4707 if (V_VT(&varRight) == VT_BSTR)
4708 {
4709 hRet = VarR8FromStr(V_BSTR(&varRight), LOCALE_USER_DEFAULT, 0, &d);
4710 hRet = VariantChangeType(&varRight, &varRight, VARIANT_LOCALBOOL,
4711 FAILED(hRet) ? VT_BOOL : VT_I4);
4712 if (FAILED(hRet))
4713 goto VarXor_Exit;
4714 }
4715
4716 /* Determine the result type */
4717 if (V_VT(&varLeft) == VT_I8 || V_VT(&varRight) == VT_I8)
4718 {
4719 if (V_VT(pVarLeft) == VT_INT || V_VT(pVarRight) == VT_INT)
4720 {
4721 hRet = DISP_E_TYPEMISMATCH;
4722 goto VarXor_Exit;
4723 }
4724 vt = VT_I8;
4725 }
4726 else
4727 {
4728 switch ((V_VT(&varLeft) << 16) | V_VT(&varRight))
4729 {
4730 case (VT_BOOL << 16) | VT_BOOL:
4731 vt = VT_BOOL;
4732 break;
4733 case (VT_UI1 << 16) | VT_UI1:
4734 vt = VT_UI1;
4735 break;
4736 case (VT_EMPTY << 16) | VT_EMPTY:
4737 case (VT_EMPTY << 16) | VT_UI1:
4738 case (VT_EMPTY << 16) | VT_I2:
4739 case (VT_EMPTY << 16) | VT_BOOL:
4740 case (VT_UI1 << 16) | VT_EMPTY:
4741 case (VT_UI1 << 16) | VT_I2:
4742 case (VT_UI1 << 16) | VT_BOOL:
4743 case (VT_I2 << 16) | VT_EMPTY:
4744 case (VT_I2 << 16) | VT_UI1:
4745 case (VT_I2 << 16) | VT_I2:
4746 case (VT_I2 << 16) | VT_BOOL:
4747 case (VT_BOOL << 16) | VT_EMPTY:
4748 case (VT_BOOL << 16) | VT_UI1:
4749 case (VT_BOOL << 16) | VT_I2:
4750 vt = VT_I2;
4751 break;
4752 default:
4753 vt = VT_I4;
4754 break;
4755 }
4756 }
4757
4758 /* VT_UI4 does not overflow */
4759 if (vt != VT_I8)
4760 {
4761 if (V_VT(&varLeft) == VT_UI4)
4762 V_VT(&varLeft) = VT_I4;
4763 if (V_VT(&varRight) == VT_UI4)
4764 V_VT(&varRight) = VT_I4;
4765 }
4766
4767 /* Convert our input copies to the result type */
4768 if (V_VT(&varLeft) != vt)
4769 hRet = VariantChangeType(&varLeft, &varLeft, 0, vt);
4770 if (FAILED(hRet))
4771 goto VarXor_Exit;
4772
4773 if (V_VT(&varRight) != vt)
4774 hRet = VariantChangeType(&varRight, &varRight, 0, vt);
4775 if (FAILED(hRet))
4776 goto VarXor_Exit;
4777
4778 V_VT(pVarOut) = vt;
4779
4780 /* Calculate the result */
4781 switch (vt)
4782 {
4783 case VT_I8:
4784 V_I8(pVarOut) = V_I8(&varLeft) ^ V_I8(&varRight);
4785 break;
4786 case VT_I4:
4787 V_I4(pVarOut) = V_I4(&varLeft) ^ V_I4(&varRight);
4788 break;
4789 case VT_BOOL:
4790 case VT_I2:
4791 V_I2(pVarOut) = V_I2(&varLeft) ^ V_I2(&varRight);
4792 break;
4793 case VT_UI1:
4794 V_UI1(pVarOut) = V_UI1(&varLeft) ^ V_UI1(&varRight);
4795 break;
4796 }
4797
4798 VarXor_Exit:
4799 VariantClear(&varLeft);
4800 VariantClear(&varRight);
4801 VariantClear(&tempLeft);
4802 VariantClear(&tempRight);
4803 return hRet;
4804 }
4805
4806 /**********************************************************************
4807 * VarEqv [OLEAUT32.172]
4808 *
4809 * Determine if two variants contain the same value.
4810 *
4811 * PARAMS
4812 * pVarLeft [I] First variant to compare
4813 * pVarRight [I] Variant to compare to pVarLeft
4814 * pVarOut [O] Destination for comparison result
4815 *
4816 * RETURNS
4817 * Success: S_OK. pVarOut contains the result of the comparison (VARIANT_TRUE
4818 * if equivalent or non-zero otherwise.
4819 * Failure: An HRESULT error code indicating the error.
4820 *
4821 * NOTES
4822 * - This function simply calls VarXor() on pVarLeft and pVarRight and inverts
4823 * the result.
4824 */
4825 HRESULT WINAPI VarEqv(LPVARIANT pVarLeft, LPVARIANT pVarRight, LPVARIANT pVarOut)
4826 {
4827 HRESULT hRet;
4828
4829 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", pVarLeft, debugstr_VT(pVarLeft),
4830 debugstr_VF(pVarLeft), pVarRight, debugstr_VT(pVarRight),
4831 debugstr_VF(pVarRight), pVarOut);
4832
4833 hRet = VarXor(pVarLeft, pVarRight, pVarOut);
4834 if (SUCCEEDED(hRet))
4835 {
4836 if (V_VT(pVarOut) == VT_I8)
4837 V_I8(pVarOut) = ~V_I8(pVarOut);
4838 else
4839 V_UI4(pVarOut) = ~V_UI4(pVarOut);
4840 }
4841 return hRet;
4842 }
4843
4844 /**********************************************************************
4845 * VarNeg [OLEAUT32.173]
4846 *
4847 * Negate the value of a variant.
4848 *
4849 * PARAMS
4850 * pVarIn [I] Source variant
4851 * pVarOut [O] Destination for converted value
4852 *
4853 * RETURNS
4854 * Success: S_OK. pVarOut contains the converted value.
4855 * Failure: An HRESULT error code indicating the error.
4856 *
4857 * NOTES
4858 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4859 * according to the following table:
4860 *| Input Type Output Type
4861 *| ---------- -----------
4862 *| VT_EMPTY VT_I2
4863 *| VT_UI1 VT_I2
4864 *| VT_BOOL VT_I2
4865 *| VT_BSTR VT_R8
4866 *| All Others Unchanged (unless promoted)
4867 * - Where the negated value of a variant does not fit in its base type, the type
4868 * is promoted according to the following table:
4869 *| Input Type Promoted To
4870 *| ---------- -----------
4871 *| VT_I2 VT_I4
4872 *| VT_I4 VT_R8
4873 *| VT_I8 VT_R8
4874 * - The native version of this function returns DISP_E_BADVARTYPE for valid
4875 * variant types that cannot be negated, and returns DISP_E_TYPEMISMATCH
4876 * for types which are not valid. Since this is in contravention of the
4877 * meaning of those error codes and unlikely to be relied on by applications,
4878 * this implementation returns errors consistent with the other high level
4879 * variant math functions.
4880 */
4881 HRESULT WINAPI VarNeg(LPVARIANT pVarIn, LPVARIANT pVarOut)
4882 {
4883 HRESULT hRet = S_OK;
4884 VARIANT temp;
4885
4886 VariantInit(&temp);
4887
4888 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
4889 debugstr_VF(pVarIn), pVarOut);
4890
4891 /* Handle VT_DISPATCH by storing and taking address of returned value */
4892 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
4893 {
4894 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
4895 if (FAILED(hRet)) goto VarNeg_Exit;
4896 pVarIn = &temp;
4897 }
4898 V_VT(pVarOut) = V_VT(pVarIn);
4899
4900 switch (V_VT(pVarIn))
4901 {
4902 case VT_UI1:
4903 V_VT(pVarOut) = VT_I2;
4904 V_I2(pVarOut) = -V_UI1(pVarIn);
4905 break;
4906 case VT_BOOL:
4907 V_VT(pVarOut) = VT_I2;
4908 /* Fall through */
4909 case VT_I2:
4910 if (V_I2(pVarIn) == I2_MIN)
4911 {
4912 V_VT(pVarOut) = VT_I4;
4913 V_I4(pVarOut) = -(int)V_I2(pVarIn);
4914 }
4915 else
4916 V_I2(pVarOut) = -V_I2(pVarIn);
4917 break;
4918 case VT_I4:
4919 if (V_I4(pVarIn) == I4_MIN)
4920 {
4921 V_VT(pVarOut) = VT_R8;
4922 V_R8(pVarOut) = -(double)V_I4(pVarIn);
4923 }
4924 else
4925 V_I4(pVarOut) = -V_I4(pVarIn);
4926 break;
4927 case VT_I8:
4928 if (V_I8(pVarIn) == I8_MIN)
4929 {
4930 V_VT(pVarOut) = VT_R8;
4931 hRet = VarR8FromI8(V_I8(pVarIn), &V_R8(pVarOut));
4932 V_R8(pVarOut) *= -1.0;
4933 }
4934 else
4935 V_I8(pVarOut) = -V_I8(pVarIn);
4936 break;
4937 case VT_R4:
4938 V_R4(pVarOut) = -V_R4(pVarIn);
4939 break;
4940 case VT_DATE:
4941 case VT_R8:
4942 V_R8(pVarOut) = -V_R8(pVarIn);
4943 break;
4944 case VT_CY:
4945 hRet = VarCyNeg(V_CY(pVarIn), &V_CY(pVarOut));
4946 break;
4947 case VT_DECIMAL:
4948 hRet = VarDecNeg(&V_DECIMAL(pVarIn), &V_DECIMAL(pVarOut));
4949 break;
4950 case VT_BSTR:
4951 V_VT(pVarOut) = VT_R8;
4952 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(pVarOut));
4953 V_R8(pVarOut) = -V_R8(pVarOut);
4954 break;
4955 case VT_EMPTY:
4956 V_VT(pVarOut) = VT_I2;
4957 V_I2(pVarOut) = 0;
4958 break;
4959 case VT_NULL:
4960 /* No-Op */
4961 break;
4962 default:
4963 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
4964 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
4965 hRet = DISP_E_BADVARTYPE;
4966 else
4967 hRet = DISP_E_TYPEMISMATCH;
4968 }
4969 VarNeg_Exit:
4970 if (FAILED(hRet))
4971 V_VT(pVarOut) = VT_EMPTY;
4972 VariantClear(&temp);
4973
4974 return hRet;
4975 }
4976
4977 /**********************************************************************
4978 * VarNot [OLEAUT32.174]
4979 *
4980 * Perform a not operation on a variant.
4981 *
4982 * PARAMS
4983 * pVarIn [I] Source variant
4984 * pVarOut [O] Destination for converted value
4985 *
4986 * RETURNS
4987 * Success: S_OK. pVarOut contains the converted value.
4988 * Failure: An HRESULT error code indicating the error.
4989 *
4990 * NOTES
4991 * - Strictly speaking, this function performs a bitwise ones complement
4992 * on the variants value (after possibly converting to VT_I4, see below).
4993 * This only behaves like a boolean not operation if the value in
4994 * pVarIn is either VARIANT_TRUE or VARIANT_FALSE and the type is signed.
4995 * - To perform a genuine not operation, convert the variant to a VT_BOOL
4996 * before calling this function.
4997 * - This function does not process by-reference variants.
4998 * - The type of the value stored in pVarOut depends on the type of pVarIn,
4999 * according to the following table:
5000 *| Input Type Output Type
5001 *| ---------- -----------
5002 *| VT_EMPTY VT_I2
5003 *| VT_R4 VT_I4
5004 *| VT_R8 VT_I4
5005 *| VT_BSTR VT_I4
5006 *| VT_DECIMAL VT_I4
5007 *| VT_CY VT_I4
5008 *| (All others) Unchanged
5009 */
5010 HRESULT WINAPI VarNot(LPVARIANT pVarIn, LPVARIANT pVarOut)
5011 {
5012 VARIANT varIn;
5013 HRESULT hRet = S_OK;
5014 VARIANT temp;
5015
5016 VariantInit(&temp);
5017
5018 TRACE("(%p->(%s%s),%p)\n", pVarIn, debugstr_VT(pVarIn),
5019 debugstr_VF(pVarIn), pVarOut);
5020
5021 /* Handle VT_DISPATCH by storing and taking address of returned value */
5022 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
5023 {
5024 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
5025 if (FAILED(hRet)) goto VarNot_Exit;
5026 pVarIn = &temp;
5027 }
5028
5029 V_VT(pVarOut) = V_VT(pVarIn);
5030
5031 switch (V_VT(pVarIn))
5032 {
5033 case VT_I1:
5034 V_I4(pVarOut) = ~V_I1(pVarIn);
5035 V_VT(pVarOut) = VT_I4;
5036 break;
5037 case VT_UI1: V_UI1(pVarOut) = ~V_UI1(pVarIn); break;
5038 case VT_BOOL:
5039 case VT_I2: V_I2(pVarOut) = ~V_I2(pVarIn); break;
5040 case VT_UI2:
5041 V_I4(pVarOut) = ~V_UI2(pVarIn);
5042 V_VT(pVarOut) = VT_I4;
5043 break;
5044 case VT_DECIMAL:
5045 hRet = VarI4FromDec(&V_DECIMAL(pVarIn), &V_I4(&varIn));
5046 if (FAILED(hRet))
5047 break;
5048 pVarIn = &varIn;
5049 /* Fall through ... */
5050 case VT_INT:
5051 V_VT(pVarOut) = VT_I4;
5052 /* Fall through ... */
5053 case VT_I4: V_I4(pVarOut) = ~V_I4(pVarIn); break;
5054 case VT_UINT:
5055 case VT_UI4:
5056 V_I4(pVarOut) = ~V_UI4(pVarIn);
5057 V_VT(pVarOut) = VT_I4;
5058 break;
5059 case VT_I8: V_I8(pVarOut) = ~V_I8(pVarIn); break;
5060 case VT_UI8:
5061 V_I4(pVarOut) = ~V_UI8(pVarIn);
5062 V_VT(pVarOut) = VT_I4;
5063 break;
5064 case VT_R4:
5065 hRet = VarI4FromR4(V_R4(pVarIn), &V_I4(pVarOut));
5066 V_I4(pVarOut) = ~V_I4(pVarOut);
5067 V_VT(pVarOut) = VT_I4;
5068 break;
5069 case VT_BSTR:
5070 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
5071 if (FAILED(hRet))
5072 break;
5073 pVarIn = &varIn;
5074 /* Fall through ... */
5075 case VT_DATE:
5076 case VT_R8:
5077 hRet = VarI4FromR8(V_R8(pVarIn), &V_I4(pVarOut));
5078 V_I4(pVarOut) = ~V_I4(pVarOut);
5079 V_VT(pVarOut) = VT_I4;
5080 break;
5081 case VT_CY:
5082 hRet = VarI4FromCy(V_CY(pVarIn), &V_I4(pVarOut));
5083 V_I4(pVarOut) = ~V_I4(pVarOut);
5084 V_VT(pVarOut) = VT_I4;
5085 break;
5086 case VT_EMPTY:
5087 V_I2(pVarOut) = ~0;
5088 V_VT(pVarOut) = VT_I2;
5089 break;
5090 case VT_NULL:
5091 /* No-Op */
5092 break;
5093 default:
5094 if (V_TYPE(pVarIn) == VT_CLSID || /* VT_CLSID is a special case */
5095 FAILED(VARIANT_ValidateType(V_VT(pVarIn))))
5096 hRet = DISP_E_BADVARTYPE;
5097 else
5098 hRet = DISP_E_TYPEMISMATCH;
5099 }
5100 VarNot_Exit:
5101 if (FAILED(hRet))
5102 V_VT(pVarOut) = VT_EMPTY;
5103 VariantClear(&temp);
5104
5105 return hRet;
5106 }
5107
5108 /**********************************************************************
5109 * VarRound [OLEAUT32.175]
5110 *
5111 * Perform a round operation on a variant.
5112 *
5113 * PARAMS
5114 * pVarIn [I] Source variant
5115 * deci [I] Number of decimals to round to
5116 * pVarOut [O] Destination for converted value
5117 *
5118 * RETURNS
5119 * Success: S_OK. pVarOut contains the converted value.
5120 * Failure: An HRESULT error code indicating the error.
5121 *
5122 * NOTES
5123 * - Floating point values are rounded to the desired number of decimals.
5124 * - Some integer types are just copied to the return variable.
5125 * - Some other integer types are not handled and fail.
5126 */
5127 HRESULT WINAPI VarRound(LPVARIANT pVarIn, int deci, LPVARIANT pVarOut)
5128 {
5129 VARIANT varIn;
5130 HRESULT hRet = S_OK;
5131 float factor;
5132 VARIANT temp;
5133
5134 VariantInit(&temp);
5135
5136 TRACE("(%p->(%s%s),%d)\n", pVarIn, debugstr_VT(pVarIn), debugstr_VF(pVarIn), deci);
5137
5138 /* Handle VT_DISPATCH by storing and taking address of returned value */
5139 if ((V_VT(pVarIn) & VT_TYPEMASK) == VT_DISPATCH && ((V_VT(pVarIn) & ~VT_TYPEMASK) == 0))
5140 {
5141 hRet = VARIANT_FetchDispatchValue(pVarIn, &temp);
5142 if (FAILED(hRet)) goto VarRound_Exit;
5143 pVarIn = &temp;
5144 }
5145
5146 switch (V_VT(pVarIn))
5147 {
5148 /* cases that fail on windows */
5149 case VT_I1:
5150 case VT_I8:
5151 case VT_UI2:
5152 case VT_UI4:
5153 hRet = DISP_E_BADVARTYPE;
5154 break;
5155
5156 /* cases just copying in to out */
5157 case VT_UI1:
5158 V_VT(pVarOut) = V_VT(pVarIn);
5159 V_UI1(pVarOut) = V_UI1(pVarIn);
5160 break;
5161 case VT_I2:
5162 V_VT(pVarOut) = V_VT(pVarIn);
5163 V_I2(pVarOut) = V_I2(pVarIn);
5164 break;
5165 case VT_I4:
5166 V_VT(pVarOut) = V_VT(pVarIn);
5167 V_I4(pVarOut) = V_I4(pVarIn);
5168 break;
5169 case VT_NULL:
5170 V_VT(pVarOut) = V_VT(pVarIn);
5171 /* value unchanged */
5172 break;
5173
5174 /* cases that change type */
5175 case VT_EMPTY:
5176 V_VT(pVarOut) = VT_I2;
5177 V_I2(pVarOut) = 0;
5178 break;
5179 case VT_BOOL:
5180 V_VT(pVarOut) = VT_I2;
5181 V_I2(pVarOut) = V_BOOL(pVarIn);
5182 break;
5183 case VT_BSTR:
5184 hRet = VarR8FromStr(V_BSTR(pVarIn), LOCALE_USER_DEFAULT, 0, &V_R8(&varIn));
5185 if (FAILED(hRet))
5186 break;
5187 V_VT(&varIn)=VT_R8;
5188 pVarIn = &varIn;
5189 /* Fall through ... */
5190
5191 /* cases we need to do math */
5192 case VT_R8:
5193 if (V_R8(pVarIn)>0) {
5194 V_R8(pVarOut)=floor(V_R8(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
5195 } else {
5196 V_R8(pVarOut)=ceil(V_R8(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
5197 }
5198 V_VT(pVarOut) = V_VT(pVarIn);
5199 break;
5200 case VT_R4:
5201 if (V_R4(pVarIn)>0) {
5202 V_R4(pVarOut)=floor(V_R4(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
5203 } else {
5204 V_R4(pVarOut)=ceil(V_R4(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
5205 }
5206 V_VT(pVarOut) = V_VT(pVarIn);
5207 break;
5208 case VT_DATE:
5209 if (V_DATE(pVarIn)>0) {
5210 V_DATE(pVarOut)=floor(V_DATE(pVarIn)*pow(10, deci)+0.5)/pow(10, deci);
5211 } else {
5212 V_DATE(pVarOut)=ceil(V_DATE(pVarIn)*pow(10, deci)-0.5)/pow(10, deci);
5213 }
5214 V_VT(pVarOut) = V_VT(pVarIn);
5215 break;
5216 case VT_CY:
5217 if (deci>3)
5218 factor=1;
5219 else
5220 factor=pow(10, 4-deci);
5221
5222 if (V_CY(pVarIn).int64>0) {
5223 V_CY(pVarOut).int64=floor(V_CY(pVarIn).int64/factor)*factor;
5224 } else {
5225 V_CY(pVarOut).int64=ceil(V_CY(pVarIn).int64/factor)*factor;
5226 }
5227 V_VT(pVarOut) = V_VT(pVarIn);
5228 break;
5229
5230 /* cases we don't know yet */
5231 default:
5232 FIXME("unimplemented part, V_VT(pVarIn) == 0x%X, deci == %d\n",
5233 V_VT(pVarIn) & VT_TYPEMASK, deci);
5234 hRet = DISP_E_BADVARTYPE;
5235 }
5236 VarRound_Exit:
5237 if (FAILED(hRet))
5238 V_VT(pVarOut) = VT_EMPTY;
5239 VariantClear(&temp);
5240
5241 TRACE("returning 0x%08x (%s%s),%f\n", hRet, debugstr_VT(pVarOut),
5242 debugstr_VF(pVarOut), (V_VT(pVarOut) == VT_R4) ? V_R4(pVarOut) :
5243 (V_VT(pVarOut) == VT_R8) ? V_R8(pVarOut) : 0);
5244
5245 return hRet;
5246 }
5247
5248 /**********************************************************************
5249 * VarIdiv [OLEAUT32.153]
5250 *
5251 * Converts input variants to integers and divides them.
5252 *
5253 * PARAMS
5254 * left [I] Left hand variant
5255 * right [I] Right hand variant
5256 * result [O] Destination for quotient
5257 *
5258 * RETURNS
5259 * Success: S_OK. result contains the quotient.
5260 * Failure: An HRESULT error code indicating the error.
5261 *
5262 * NOTES
5263 * If either expression is null, null is returned, as per MSDN
5264 */
5265 HRESULT WINAPI VarIdiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5266 {
5267 HRESULT hres = S_OK;
5268 VARTYPE resvt = VT_EMPTY;
5269 VARTYPE leftvt,rightvt;
5270 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
5271 VARIANT lv,rv;
5272 VARIANT tempLeft, tempRight;
5273
5274 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
5275 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
5276
5277 VariantInit(&lv);
5278 VariantInit(&rv);
5279 VariantInit(&tempLeft);
5280 VariantInit(&tempRight);
5281
5282 leftvt = V_VT(left)&VT_TYPEMASK;
5283 rightvt = V_VT(right)&VT_TYPEMASK;
5284 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
5285 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
5286
5287 if (leftExtraFlags != rightExtraFlags)
5288 {
5289 hres = DISP_E_BADVARTYPE;
5290 goto end;
5291 }
5292 ExtraFlags = leftExtraFlags;
5293
5294 /* Native VarIdiv always returns an error when using extra
5295 * flags or if the variant combination is I8 and INT.
5296 */
5297 if ((leftvt == VT_I8 && rightvt == VT_INT) ||
5298 (leftvt == VT_INT && rightvt == VT_I8) ||
5299 (rightvt == VT_EMPTY && leftvt != VT_NULL) ||
5300 ExtraFlags != 0)
5301 {
5302 hres = DISP_E_BADVARTYPE;
5303 goto end;
5304 }
5305
5306 /* Determine variant type */
5307 else if (leftvt == VT_NULL || rightvt == VT_NULL)
5308 {
5309 V_VT(result) = VT_NULL;
5310 hres = S_OK;
5311 goto end;
5312 }
5313 else if (leftvt == VT_I8 || rightvt == VT_I8)
5314 resvt = VT_I8;
5315 else if (leftvt == VT_I4 || rightvt == VT_I4 ||
5316 leftvt == VT_INT || rightvt == VT_INT ||
5317 leftvt == VT_UINT || rightvt == VT_UINT ||
5318 leftvt == VT_UI8 || rightvt == VT_UI8 ||
5319 leftvt == VT_UI4 || rightvt == VT_UI4 ||
5320 leftvt == VT_UI2 || rightvt == VT_UI2 ||
5321 leftvt == VT_I1 || rightvt == VT_I1 ||
5322 leftvt == VT_BSTR || rightvt == VT_BSTR ||
5323 leftvt == VT_DATE || rightvt == VT_DATE ||
5324 leftvt == VT_CY || rightvt == VT_CY ||
5325 leftvt == VT_DECIMAL || rightvt == VT_DECIMAL ||
5326 leftvt == VT_R8 || rightvt == VT_R8 ||
5327 leftvt == VT_R4 || rightvt == VT_R4)
5328 resvt = VT_I4;
5329 else if (leftvt == VT_I2 || rightvt == VT_I2 ||
5330 leftvt == VT_BOOL || rightvt == VT_BOOL ||
5331 leftvt == VT_EMPTY)
5332 resvt = VT_I2;
5333 else if (leftvt == VT_UI1 || rightvt == VT_UI1)
5334 resvt = VT_UI1;
5335 else
5336 {
5337 hres = DISP_E_BADVARTYPE;
5338 goto end;
5339 }
5340
5341 /* coerce to the result type */
5342 hres = VariantChangeType(&lv, left, 0, resvt);
5343 if (hres != S_OK) goto end;
5344 hres = VariantChangeType(&rv, right, 0, resvt);
5345 if (hres != S_OK) goto end;
5346
5347 /* do the math */
5348 V_VT(result) = resvt;
5349 switch (resvt)
5350 {
5351 case VT_UI1:
5352 if (V_UI1(&rv) == 0)
5353 {
5354 hres = DISP_E_DIVBYZERO;
5355 V_VT(result) = VT_EMPTY;
5356 }
5357 else
5358 V_UI1(result) = V_UI1(&lv) / V_UI1(&rv);
5359 break;
5360 case VT_I2:
5361 if (V_I2(&rv) == 0)
5362 {
5363 hres = DISP_E_DIVBYZERO;
5364 V_VT(result) = VT_EMPTY;
5365 }
5366 else
5367 V_I2(result) = V_I2(&lv) / V_I2(&rv);
5368 break;
5369 case VT_I4:
5370 if (V_I4(&rv) == 0)
5371 {
5372 hres = DISP_E_DIVBYZERO;
5373 V_VT(result) = VT_EMPTY;
5374 }
5375 else
5376 V_I4(result) = V_I4(&lv) / V_I4(&rv);
5377 break;
5378 case VT_I8:
5379 if (V_I8(&rv) == 0)
5380 {
5381 hres = DISP_E_DIVBYZERO;
5382 V_VT(result) = VT_EMPTY;
5383 }
5384 else
5385 V_I8(result) = V_I8(&lv) / V_I8(&rv);
5386 break;
5387 default:
5388 FIXME("Couldn't integer divide variant types %d,%d\n",
5389 leftvt,rightvt);
5390 }
5391
5392 end:
5393 VariantClear(&lv);
5394 VariantClear(&rv);
5395 VariantClear(&tempLeft);
5396 VariantClear(&tempRight);
5397
5398 return hres;
5399 }
5400
5401
5402 /**********************************************************************
5403 * VarMod [OLEAUT32.155]
5404 *
5405 * Perform the modulus operation of the right hand variant on the left
5406 *
5407 * PARAMS
5408 * left [I] Left hand variant
5409 * right [I] Right hand variant
5410 * result [O] Destination for converted value
5411 *
5412 * RETURNS
5413 * Success: S_OK. result contains the remainder.
5414 * Failure: An HRESULT error code indicating the error.
5415 *
5416 * NOTE:
5417 * If an error occurs the type of result will be modified but the value will not be.
5418 * Doesn't support arrays or any special flags yet.
5419 */
5420 HRESULT WINAPI VarMod(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5421 {
5422 BOOL lOk = TRUE;
5423 BOOL rOk = TRUE;
5424 HRESULT rc = E_FAIL;
5425 int resT = 0;
5426 VARIANT lv,rv;
5427 VARIANT tempLeft, tempRight;
5428
5429 VariantInit(&tempLeft);
5430 VariantInit(&tempRight);
5431 VariantInit(&lv);
5432 VariantInit(&rv);
5433
5434 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
5435 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
5436
5437 /* Handle VT_DISPATCH by storing and taking address of returned value */
5438 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
5439 {
5440 rc = VARIANT_FetchDispatchValue(left, &tempLeft);
5441 if (FAILED(rc)) goto end;
5442 left = &tempLeft;
5443 }
5444 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
5445 {
5446 rc = VARIANT_FetchDispatchValue(right, &tempRight);
5447 if (FAILED(rc)) goto end;
5448 right = &tempRight;
5449 }
5450
5451 /* check for invalid inputs */
5452 lOk = TRUE;
5453 switch (V_VT(left) & VT_TYPEMASK) {
5454 case VT_BOOL :
5455 case VT_I1 :
5456 case VT_I2 :
5457 case VT_I4 :
5458 case VT_I8 :
5459 case VT_INT :
5460 case VT_UI1 :
5461 case VT_UI2 :
5462 case VT_UI4 :
5463 case VT_UI8 :
5464 case VT_UINT :
5465 case VT_R4 :
5466 case VT_R8 :
5467 case VT_CY :
5468 case VT_EMPTY:
5469 case VT_DATE :
5470 case VT_BSTR :
5471 case VT_DECIMAL:
5472 break;
5473 case VT_VARIANT:
5474 case VT_UNKNOWN:
5475 V_VT(result) = VT_EMPTY;
5476 rc = DISP_E_TYPEMISMATCH;
5477 goto end;
5478 case VT_ERROR:
5479 rc = DISP_E_TYPEMISMATCH;
5480 goto end;
5481 case VT_RECORD:
5482 V_VT(result) = VT_EMPTY;
5483 rc = DISP_E_TYPEMISMATCH;
5484 goto end;
5485 case VT_NULL:
5486 break;
5487 default:
5488 V_VT(result) = VT_EMPTY;
5489 rc = DISP_E_BADVARTYPE;
5490 goto end;
5491 }
5492
5493
5494 rOk = TRUE;
5495 switch (V_VT(right) & VT_TYPEMASK) {
5496 case VT_BOOL :
5497 case VT_I1 :
5498 case VT_I2 :
5499 case VT_I4 :
5500 case VT_I8 :
5501 if((V_VT(left) == VT_INT) && (V_VT(right) == VT_I8))
5502 {
5503 V_VT(result) = VT_EMPTY;
5504 rc = DISP_E_TYPEMISMATCH;
5505 goto end;
5506 }
5507 case VT_INT :
5508 if((V_VT(right) == VT_INT) && (V_VT(left) == VT_I8))
5509 {
5510 V_VT(result) = VT_EMPTY;
5511 rc = DISP_E_TYPEMISMATCH;
5512 goto end;
5513 }
5514 case VT_UI1 :
5515 case VT_UI2 :
5516 case VT_UI4 :
5517 case VT_UI8 :
5518 case VT_UINT :
5519 case VT_R4 :
5520 case VT_R8 :
5521 case VT_CY :
5522 if(V_VT(left) == VT_EMPTY)
5523 {
5524 V_VT(result) = VT_I4;
5525 rc = S_OK;
5526 goto end;
5527 }
5528 case VT_EMPTY:
5529 case VT_DATE :
5530 case VT_DECIMAL:
5531 if(V_VT(left) == VT_ERROR)
5532 {
5533 V_VT(result) = VT_EMPTY;
5534 rc = DISP_E_TYPEMISMATCH;
5535 goto end;
5536 }
5537 case VT_BSTR:
5538 if(V_VT(left) == VT_NULL)
5539 {
5540 V_VT(result) = VT_NULL;
5541 rc = S_OK;
5542 goto end;
5543 }
5544 break;
5545
5546 case VT_VOID:
5547 V_VT(result) = VT_EMPTY;
5548 rc = DISP_E_BADVARTYPE;
5549 goto end;
5550 case VT_NULL:
5551 if(V_VT(left) == VT_VOID)
5552 {
5553 V_VT(result) = VT_EMPTY;
5554 rc = DISP_E_BADVARTYPE;
5555 } else if((V_VT(left) == VT_NULL) || (V_VT(left) == VT_EMPTY) || (V_VT(left) == VT_ERROR) ||
5556 lOk)
5557 {
5558 V_VT(result) = VT_NULL;
5559 rc = S_OK;
5560 } else
5561 {
5562 V_VT(result) = VT_NULL;
5563 rc = DISP_E_BADVARTYPE;
5564 }
5565 goto end;
5566 case VT_VARIANT:
5567 case VT_UNKNOWN:
5568 V_VT(result) = VT_EMPTY;
5569 rc = DISP_E_TYPEMISMATCH;
5570 goto end;
5571 case VT_ERROR:
5572 rc = DISP_E_TYPEMISMATCH;
5573 goto end;
5574 case VT_RECORD:
5575 if((V_VT(left) == 15) || ((V_VT(left) >= 24) && (V_VT(left) <= 35)) || !lOk)
5576 {
5577 V_VT(result) = VT_EMPTY;
5578 rc = DISP_E_BADVARTYPE;
5579 } else
5580 {
5581 V_VT(result) = VT_EMPTY;
5582 rc = DISP_E_TYPEMISMATCH;
5583 }
5584 goto end;
5585 default:
5586 V_VT(result) = VT_EMPTY;
5587 rc = DISP_E_BADVARTYPE;
5588 goto end;
5589 }
5590
5591 /* determine the result type */
5592 if((V_VT(left) == VT_I8) || (V_VT(right) == VT_I8)) resT = VT_I8;
5593 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
5594 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_UI1)) resT = VT_UI1;
5595 else if((V_VT(left) == VT_UI1) && (V_VT(right) == VT_I2)) resT = VT_I2;
5596 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
5597 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_UI1)) resT = VT_I2;
5598 else if((V_VT(left) == VT_I2) && (V_VT(right) == VT_I2)) resT = VT_I2;
5599 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_BOOL)) resT = VT_I2;
5600 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_UI1)) resT = VT_I2;
5601 else if((V_VT(left) == VT_BOOL) && (V_VT(right) == VT_I2)) resT = VT_I2;
5602 else resT = VT_I4; /* most outputs are I4 */
5603
5604 /* convert to I8 for the modulo */
5605 rc = VariantChangeType(&lv, left, 0, VT_I8);
5606 if(FAILED(rc))
5607 {
5608 FIXME("Could not convert left type %d to %d? rc == 0x%X\n", V_VT(left), VT_I8, rc);
5609 goto end;
5610 }
5611
5612 rc = VariantChangeType(&rv, right, 0, VT_I8);
5613 if(FAILED(rc))
5614 {
5615 FIXME("Could not convert right type %d to %d? rc == 0x%X\n", V_VT(right), VT_I8, rc);
5616 goto end;
5617 }
5618
5619 /* if right is zero set VT_EMPTY and return divide by zero */
5620 if(V_I8(&rv) == 0)
5621 {
5622 V_VT(result) = VT_EMPTY;
5623 rc = DISP_E_DIVBYZERO;
5624 goto end;
5625 }
5626
5627 /* perform the modulo operation */
5628 V_VT(result) = VT_I8;
5629 V_I8(result) = V_I8(&lv) % V_I8(&rv);
5630
5631 TRACE("V_I8(left) == %s, V_I8(right) == %s, V_I8(result) == %s\n",
5632 wine_dbgstr_longlong(V_I8(&lv)), wine_dbgstr_longlong(V_I8(&rv)),
5633 wine_dbgstr_longlong(V_I8(result)));
5634
5635 /* convert left and right to the destination type */
5636 rc = VariantChangeType(result, result, 0, resT);
5637 if(FAILED(rc))
5638 {
5639 FIXME("Could not convert 0x%x to %d?\n", V_VT(result), resT);
5640 /* fall to end of function */
5641 }
5642
5643 end:
5644 VariantClear(&lv);
5645 VariantClear(&rv);
5646 VariantClear(&tempLeft);
5647 VariantClear(&tempRight);
5648 return rc;
5649 }
5650
5651 /**********************************************************************
5652 * VarPow [OLEAUT32.158]
5653 *
5654 * Computes the power of one variant to another variant.
5655 *
5656 * PARAMS
5657 * left [I] First variant
5658 * right [I] Second variant
5659 * result [O] Result variant
5660 *
5661 * RETURNS
5662 * Success: S_OK.
5663 * Failure: An HRESULT error code indicating the error.
5664 */
5665 HRESULT WINAPI VarPow(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5666 {
5667 HRESULT hr = S_OK;
5668 VARIANT dl,dr;
5669 VARTYPE resvt = VT_EMPTY;
5670 VARTYPE leftvt,rightvt;
5671 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
5672 VARIANT tempLeft, tempRight;
5673
5674 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left), debugstr_VF(left),
5675 right, debugstr_VT(right), debugstr_VF(right), result);
5676
5677 VariantInit(&dl);
5678 VariantInit(&dr);
5679 VariantInit(&tempLeft);
5680 VariantInit(&tempRight);
5681
5682 /* Handle VT_DISPATCH by storing and taking address of returned value */
5683 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
5684 {
5685 hr = VARIANT_FetchDispatchValue(left, &tempLeft);
5686 if (FAILED(hr)) goto end;
5687 left = &tempLeft;
5688 }
5689 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
5690 {
5691 hr = VARIANT_FetchDispatchValue(right, &tempRight);
5692 if (FAILED(hr)) goto end;
5693 right = &tempRight;
5694 }
5695
5696 leftvt = V_VT(left)&VT_TYPEMASK;
5697 rightvt = V_VT(right)&VT_TYPEMASK;
5698 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
5699 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
5700
5701 if (leftExtraFlags != rightExtraFlags)
5702 {
5703 hr = DISP_E_BADVARTYPE;
5704 goto end;
5705 }
5706 ExtraFlags = leftExtraFlags;
5707
5708 /* Native VarPow always returns an error when using extra flags */
5709 if (ExtraFlags != 0)
5710 {
5711 hr = DISP_E_BADVARTYPE;
5712 goto end;
5713 }
5714
5715 /* Determine return type */
5716 else if (leftvt == VT_NULL || rightvt == VT_NULL) {
5717 V_VT(result) = VT_NULL;
5718 hr = S_OK;
5719 goto end;
5720 }
5721 else if ((leftvt == VT_EMPTY || leftvt == VT_I2 ||
5722 leftvt == VT_I4 || leftvt == VT_R4 ||
5723 leftvt == VT_R8 || leftvt == VT_CY ||
5724 leftvt == VT_DATE || leftvt == VT_BSTR ||
5725 leftvt == VT_BOOL || leftvt == VT_DECIMAL ||
5726 (leftvt >= VT_I1 && leftvt <= VT_UINT)) &&
5727 (rightvt == VT_EMPTY || rightvt == VT_I2 ||
5728 rightvt == VT_I4 || rightvt == VT_R4 ||
5729 rightvt == VT_R8 || rightvt == VT_CY ||
5730 rightvt == VT_DATE || rightvt == VT_BSTR ||
5731 rightvt == VT_BOOL || rightvt == VT_DECIMAL ||
5732 (rightvt >= VT_I1 && rightvt <= VT_UINT)))
5733 resvt = VT_R8;
5734 else
5735 {
5736 hr = DISP_E_BADVARTYPE;
5737 goto end;
5738 }
5739
5740 hr = VariantChangeType(&dl,left,0,resvt);
5741 if (FAILED(hr)) {
5742 ERR("Could not change passed left argument to VT_R8, handle it differently.\n");
5743 hr = E_FAIL;
5744 goto end;
5745 }
5746
5747 hr = VariantChangeType(&dr,right,0,resvt);
5748 if (FAILED(hr)) {
5749 ERR("Could not change passed right argument to VT_R8, handle it differently.\n");
5750 hr = E_FAIL;
5751 goto end;
5752 }
5753
5754 V_VT(result) = VT_R8;
5755 V_R8(result) = pow(V_R8(&dl),V_R8(&dr));
5756
5757 end:
5758 VariantClear(&dl);
5759 VariantClear(&dr);
5760 VariantClear(&tempLeft);
5761 VariantClear(&tempRight);
5762
5763 return hr;
5764 }
5765
5766 /**********************************************************************
5767 * VarImp [OLEAUT32.154]
5768 *
5769 * Bitwise implication of two variants.
5770 *
5771 * PARAMS
5772 * left [I] First variant
5773 * right [I] Second variant
5774 * result [O] Result variant
5775 *
5776 * RETURNS
5777 * Success: S_OK.
5778 * Failure: An HRESULT error code indicating the error.
5779 */
5780 HRESULT WINAPI VarImp(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5781 {
5782 HRESULT hres = S_OK;
5783 VARTYPE resvt = VT_EMPTY;
5784 VARTYPE leftvt,rightvt;
5785 VARTYPE rightExtraFlags,leftExtraFlags,ExtraFlags;
5786 VARIANT lv,rv;
5787 double d;
5788 VARIANT tempLeft, tempRight;
5789
5790 VariantInit(&lv);
5791 VariantInit(&rv);
5792 VariantInit(&tempLeft);
5793 VariantInit(&tempRight);
5794
5795 TRACE("(%p->(%s%s),%p->(%s%s),%p)\n", left, debugstr_VT(left),
5796 debugstr_VF(left), right, debugstr_VT(right), debugstr_VF(right), result);
5797
5798 /* Handle VT_DISPATCH by storing and taking address of returned value */
5799 if ((V_VT(left) & VT_TYPEMASK) == VT_DISPATCH)
5800 {
5801 hres = VARIANT_FetchDispatchValue(left, &tempLeft);
5802 if (FAILED(hres)) goto VarImp_Exit;
5803 left = &tempLeft;
5804 }
5805 if ((V_VT(right) & VT_TYPEMASK) == VT_DISPATCH)
5806 {
5807 hres = VARIANT_FetchDispatchValue(right, &tempRight);
5808 if (FAILED(hres)) goto VarImp_Exit;
5809 right = &tempRight;
5810 }
5811
5812 leftvt = V_VT(left)&VT_TYPEMASK;
5813 rightvt = V_VT(right)&VT_TYPEMASK;
5814 leftExtraFlags = V_VT(left)&(~VT_TYPEMASK);
5815 rightExtraFlags = V_VT(right)&(~VT_TYPEMASK);
5816
5817 if (leftExtraFlags != rightExtraFlags)
5818 {
5819 hres = DISP_E_BADVARTYPE;
5820 goto VarImp_Exit;
5821 }
5822 ExtraFlags = leftExtraFlags;
5823
5824 /* Native VarImp always returns an error when using extra
5825 * flags or if the variants are I8 and INT.
5826 */
5827 if ((leftvt == VT_I8 && rightvt == VT_INT) ||
5828 ExtraFlags != 0)
5829 {
5830 hres = DISP_E_BADVARTYPE;
5831 goto VarImp_Exit;
5832 }
5833
5834 /* Determine result type */
5835 else if ((leftvt == VT_NULL && rightvt == VT_NULL) ||
5836 (leftvt == VT_NULL && rightvt == VT_EMPTY))
5837 {
5838 V_VT(result) = VT_NULL;
5839 hres = S_OK;
5840 goto VarImp_Exit;
5841 }
5842 else if (leftvt == VT_I8 || rightvt == VT_I8)
5843 resvt = VT_I8;
5844 else if (leftvt == VT_I4 || rightvt == VT_I4 ||
5845 leftvt == VT_INT || rightvt == VT_INT ||
5846 leftvt == VT_UINT || rightvt == VT_UINT ||
5847 leftvt == VT_UI4 || rightvt == VT_UI4 ||
5848 leftvt == VT_UI8 || rightvt == VT_UI8 ||
5849 leftvt == VT_UI2 || rightvt == VT_UI2 ||
5850 leftvt == VT_DECIMAL || rightvt == VT_DECIMAL ||
5851 leftvt == VT_DATE || rightvt == VT_DATE ||
5852 leftvt == VT_CY || rightvt == VT_CY ||
5853 leftvt == VT_R8 || rightvt == VT_R8 ||
5854 leftvt == VT_R4 || rightvt == VT_R4 ||
5855 leftvt == VT_I1 || rightvt == VT_I1)
5856 resvt = VT_I4;
5857 else if ((leftvt == VT_UI1 && rightvt == VT_UI1) ||
5858 (leftvt == VT_UI1 && rightvt == VT_NULL) ||
5859 (leftvt == VT_NULL && rightvt == VT_UI1))
5860 resvt = VT_UI1;
5861 else if (leftvt == VT_EMPTY || rightvt == VT_EMPTY ||
5862 leftvt == VT_I2 || rightvt == VT_I2 ||
5863 leftvt == VT_UI1 || rightvt == VT_UI1)
5864 resvt = VT_I2;
5865 else if (leftvt == VT_BOOL || rightvt == VT_BOOL ||
5866 leftvt == VT_BSTR || rightvt == VT_BSTR)
5867 resvt = VT_BOOL;
5868
5869 /* VT_NULL requires special handling for when the opposite
5870 * variant is equal to something other than -1.
5871 * (NULL Imp 0 = NULL, NULL Imp n = n)
5872 */
5873 if (leftvt == VT_NULL)
5874 {
5875 VARIANT_BOOL b;
5876 switch(rightvt)
5877 {
5878 case VT_I1: if (!V_I1(right)) resvt = VT_NULL; break;
5879 case VT_UI1: if (!V_UI1(right)) resvt = VT_NULL; break;
5880 case VT_I2: if (!V_I2(right)) resvt = VT_NULL; break;
5881 case VT_UI2: if (!V_UI2(right)) resvt = VT_NULL; break;
5882 case VT_I4: if (!V_I4(right)) resvt = VT_NULL; break;
5883 case VT_UI4: if (!V_UI4(right)) resvt = VT_NULL; break;
5884 case VT_I8: if (!V_I8(right)) resvt = VT_NULL; break;
5885 case VT_UI8: if (!V_UI8(right)) resvt = VT_NULL; break;
5886 case VT_INT: if (!V_INT(right)) resvt = VT_NULL; break;
5887 case VT_UINT: if (!V_UINT(right)) resvt = VT_NULL; break;
5888 case VT_BOOL: if (!V_BOOL(right)) resvt = VT_NULL; break;
5889 case VT_R4: if (!V_R4(right)) resvt = VT_NULL; break;
5890 case VT_R8: if (!V_R8(right)) resvt = VT_NULL; break;
5891 case VT_DATE: if (!V_DATE(right)) resvt = VT_NULL; break;
5892 case VT_CY: if (!V_CY(right).int64) resvt = VT_NULL; break;
5893 case VT_DECIMAL:
5894 if (!(DEC_HI32(&V_DECIMAL(right)) || DEC_LO64(&V_DECIMAL(right))))
5895 resvt = VT_NULL;
5896 break;
5897 case VT_BSTR:
5898 hres = VarBoolFromStr(V_BSTR(right),LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
5899 if (FAILED(hres)) goto VarImp_Exit;
5900 else if (!b)
5901 V_VT(result) = VT_NULL;
5902 else
5903 {
5904 V_VT(result) = VT_BOOL;
5905 V_BOOL(result) = b;
5906 }
5907 goto VarImp_Exit;
5908 }
5909 if (resvt == VT_NULL)
5910 {
5911 V_VT(result) = resvt;
5912 goto VarImp_Exit;
5913 }
5914 else
5915 {
5916 hres = VariantChangeType(result,right,0,resvt);
5917 goto VarImp_Exit;
5918 }
5919 }
5920
5921 /* Special handling is required when NULL is the right variant.
5922 * (-1 Imp NULL = NULL, n Imp NULL = n Imp 0)
5923 */
5924 else if (rightvt == VT_NULL)
5925 {
5926 VARIANT_BOOL b;
5927 switch(leftvt)
5928 {
5929 case VT_I1: if (V_I1(left) == -1) resvt = VT_NULL; break;
5930 case VT_UI1: if (V_UI1(left) == 0xff) resvt = VT_NULL; break;
5931 case VT_I2: if (V_I2(left) == -1) resvt = VT_NULL; break;
5932 case VT_UI2: if (V_UI2(left) == 0xffff) resvt = VT_NULL; break;
5933 case VT_INT: if (V_INT(left) == -1) resvt = VT_NULL; break;
5934 case VT_UINT: if (V_UINT(left) == ~0u) resvt = VT_NULL; break;
5935 case VT_I4: if (V_I4(left) == -1) resvt = VT_NULL; break;
5936 case VT_UI4: if (V_UI4(left) == ~0u) resvt = VT_NULL; break;
5937 case VT_I8: if (V_I8(left) == -1) resvt = VT_NULL; break;
5938 case VT_UI8: if (V_UI8(left) == ~(ULONGLONG)0) resvt = VT_NULL; break;
5939 case VT_BOOL: if (V_BOOL(left) == VARIANT_TRUE) resvt = VT_NULL; break;
5940 case VT_R4: if (V_R4(left) == -1.0) resvt = VT_NULL; break;
5941 case VT_R8: if (V_R8(left) == -1.0) resvt = VT_NULL; break;
5942 case VT_CY: if (V_CY(left).int64 == -1) resvt = VT_NULL; break;
5943 case VT_DECIMAL:
5944 if (DEC_HI32(&V_DECIMAL(left)) == 0xffffffff)
5945 resvt = VT_NULL;
5946 break;
5947 case VT_BSTR:
5948 hres = VarBoolFromStr(V_BSTR(left),LOCALE_USER_DEFAULT, VAR_LOCALBOOL, &b);
5949 if (FAILED(hres)) goto VarImp_Exit;
5950 else if (b == VARIANT_TRUE)
5951 resvt = VT_NULL;
5952 }
5953 if (resvt == VT_NULL)
5954 {
5955 V_VT(result) = resvt;
5956 goto VarImp_Exit;
5957 }
5958 }
5959
5960 hres = VariantCopy(&lv, left);
5961 if (FAILED(hres)) goto VarImp_Exit;
5962
5963 if (rightvt == VT_NULL)
5964 {
5965 memset( &rv, 0, sizeof(rv) );
5966 V_VT(&rv) = resvt;
5967 }
5968 else
5969 {
5970 hres = VariantCopy(&rv, right);
5971 if (FAILED(hres)) goto VarImp_Exit;
5972 }
5973
5974 if (V_VT(&lv) == VT_BSTR &&
5975 FAILED(VarR8FromStr(V_BSTR(&lv),LOCALE_USER_DEFAULT, 0, &d)))
5976 hres = VariantChangeType(&lv,&lv,VARIANT_LOCALBOOL, VT_BOOL);
5977 if (SUCCEEDED(hres) && V_VT(&lv) != resvt)
5978 hres = VariantChangeType(&lv,&lv,0,resvt);
5979 if (FAILED(hres)) goto VarImp_Exit;
5980
5981 if (V_VT(&rv) == VT_BSTR &&
5982 FAILED(VarR8FromStr(V_BSTR(&rv),LOCALE_USER_DEFAULT, 0, &d)))
5983 hres = VariantChangeType(&rv, &rv,VARIANT_LOCALBOOL, VT_BOOL);
5984 if (SUCCEEDED(hres) && V_VT(&rv) != resvt)
5985 hres = VariantChangeType(&rv, &rv, 0, resvt);
5986 if (FAILED(hres)) goto VarImp_Exit;
5987
5988 /* do the math */
5989 V_VT(result) = resvt;
5990 switch (resvt)
5991 {
5992 case VT_I8:
5993 V_I8(result) = (~V_I8(&lv)) | V_I8(&rv);
5994 break;
5995 case VT_I4:
5996 V_I4(result) = (~V_I4(&lv)) | V_I4(&rv);
5997 break;
5998 case VT_I2:
5999 V_I2(result) = (~V_I2(&lv)) | V_I2(&rv);
6000 break;
6001 case VT_UI1:
6002 V_UI1(result) = (~V_UI1(&lv)) | V_UI1(&rv);
6003 break;
6004 case VT_BOOL:
6005 V_BOOL(result) = (~V_BOOL(&lv)) | V_BOOL(&rv);
6006 break;
6007 default:
6008 FIXME("Couldn't perform bitwise implication on variant types %d,%d\n",
6009 leftvt,rightvt);
6010 }
6011
6012 VarImp_Exit:
6013
6014 VariantClear(&lv);
6015 VariantClear(&rv);
6016 VariantClear(&tempLeft);
6017 VariantClear(&tempRight);
6018
6019 return hres;
6020 }
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