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[reactos.git] / dll / cpl / desk / misc.c
1 #include "desk.h"
2
3 static INT
4 LengthOfStrResource(IN HINSTANCE hInst,
5 IN UINT uID)
6 {
7 HRSRC hrSrc;
8 HGLOBAL hRes;
9 LPWSTR lpName, lpStr;
10
11 if (hInst == NULL)
12 {
13 return -1;
14 }
15
16 /* There are always blocks of 16 strings */
17 lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
18
19 /* Find the string table block */
20 if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
21 (hRes = LoadResource(hInst, hrSrc)) &&
22 (lpStr = LockResource(hRes)))
23 {
24 UINT x;
25
26 /* Find the string we're looking for */
27 uID &= 0xF; /* Position in the block, same as % 16 */
28 for (x = 0; x < uID; x++)
29 {
30 lpStr += (*lpStr) + 1;
31 }
32
33 /* Found the string */
34 return (int)(*lpStr);
35 }
36 return -1;
37 }
38
39 INT
40 AllocAndLoadString(OUT LPTSTR *lpTarget,
41 IN HINSTANCE hInst,
42 IN UINT uID)
43 {
44 INT ln;
45
46 ln = LengthOfStrResource(hInst,
47 uID);
48 if (ln++ > 0)
49 {
50 (*lpTarget) = (LPTSTR)LocalAlloc(LMEM_FIXED,
51 ln * sizeof(TCHAR));
52 if ((*lpTarget) != NULL)
53 {
54 INT Ret;
55 if (!(Ret = LoadString(hInst, uID, *lpTarget, ln)))
56 {
57 LocalFree((HLOCAL)(*lpTarget));
58 }
59 return Ret;
60 }
61 }
62 return 0;
63 }