7425147ccbc5f79afae1614b63ead00e81fd5004
[reactos.git] / rosapps / applications / winfile / splitpath.c
1 /*
2 * Copyright 2000, 2004 Martin Fuchs
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "winefile.h"
20
21
22 void _wsplitpath(const WCHAR* path, WCHAR* drv, WCHAR* dir, WCHAR* name, WCHAR* ext)
23 {
24 const WCHAR* end; /* end of processed string */
25 const WCHAR* p; /* search pointer */
26 const WCHAR* s; /* copy pointer */
27
28 /* extract drive name */
29 if (path[0] && path[1]==':') {
30 if (drv) {
31 *drv++ = *path++;
32 *drv++ = *path++;
33 *drv = '\0';
34 }
35 } else if (drv)
36 *drv = '\0';
37
38 /* search for end of string or stream separator */
39 for(end=path; *end && *end!=':'; )
40 end++;
41
42 /* search for begin of file extension */
43 for(p=end; p>path && *--p!='\\' && *p!='/'; )
44 if (*p == '.') {
45 end = p;
46 break;
47 }
48
49 if (ext)
50 for(s=end; (*ext=*s++); )
51 ext++;
52
53 /* search for end of directory name */
54 for(p=end; p>path; )
55 if (*--p=='\\' || *p=='/') {
56 p++;
57 break;
58 }
59
60 if (name) {
61 for(s=p; s<end; )
62 *name++ = *s++;
63
64 *name = '\0';
65 }
66
67 if (dir) {
68 for(s=path; s<p; )
69 *dir++ = *s++;
70
71 *dir = '\0';
72 }
73 }
74
75
76 /*
77 void main() // test splipath()
78 {
79 WCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT];
80
81 _wsplitpath(L"x\\y", drv, dir, name, ext);
82 _wsplitpath(L"x\\", drv, dir, name, ext);
83 _wsplitpath(L"\\x", drv, dir, name, ext);
84 _wsplitpath(L"x", drv, dir, name, ext);
85 _wsplitpath(L"", drv, dir, name, ext);
86 _wsplitpath(L".x", drv, dir, name, ext);
87 _wsplitpath(L":x", drv, dir, name, ext);
88 _wsplitpath(L"a:x", drv, dir, name, ext);
89 _wsplitpath(L"a.b:x", drv, dir, name, ext);
90 _wsplitpath(L"W:\\/\\abc/Z:~", drv, dir, name, ext);
91 _wsplitpath(L"abc.EFGH:12345", drv, dir, name, ext);
92 _wsplitpath(L"C:/dos/command.com", drv, dir, name, ext);
93 }
94 */