Sweden-Number/programs/winefile/splitpath.c

152 lines
3.2 KiB
C

/*
* Copyright 2000 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "winefile.h"
#ifdef UNICODE
void _wsplitpath(const WCHAR* path, WCHAR* drv, WCHAR* dir, WCHAR* name, WCHAR* ext)
{
const WCHAR* end; // end of processed string
const WCHAR* p; // search pointer
const WCHAR* s; // copy pointer
// extract drive name
if (path[0] && path[1]==':') {
if (drv) {
*drv++ = *path++;
*drv++ = *path++;
*drv = L'\0';
}
} else if (drv)
*drv = L'\0';
// search for end of string or stream separator
for(end=path; *end && *end!=L':'; )
end++;
// search for begin of file extension
for(p=end; p>path && *--p!=L'\\' && *p!=L'/'; )
if (*p == L'.') {
end = p;
break;
}
if (ext)
for(s=end; *ext=*s++; )
ext++;
// search for end of directory name
for(p=end; p>path; )
if (*--p=='\\' || *p=='/') {
p++;
break;
}
if (name) {
for(s=p; s<end; )
*name++ = *s++;
*name = L'\0';
}
if (dir) {
for(s=path; s<p; )
*dir++ = *s++;
*dir = L'\0';
}
}
#else
void _splitpath(const CHAR* path, CHAR* drv, CHAR* dir, CHAR* name, CHAR* ext)
{
const CHAR* end; // end of processed string
const CHAR* p; // search pointer
const CHAR* s; // copy pointer
// extract drive name
if (path[0] && path[1]==':') {
if (drv) {
*drv++ = *path++;
*drv++ = *path++;
*drv = '\0';
}
} else if (drv)
*drv = '\0';
// search for end of string or stream separator
for(end=path; *end && *end!=':'; )
end++;
// search for begin of file extension
for(p=end; p>path && *--p!='\\' && *p!='/'; )
if (*p == '.') {
end = p;
break;
}
if (ext)
for(s=end; (*ext=*s++); )
ext++;
// search for end of directory name
for(p=end; p>path; )
if (*--p=='\\' || *p=='/') {
p++;
break;
}
if (name) {
for(s=p; s<end; )
*name++ = *s++;
*name = '\0';
}
if (dir) {
for(s=path; s<p; )
*dir++ = *s++;
*dir = '\0';
}
}
#endif
/*
void main() // test splipath()
{
TCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT];
_tsplitpath(L"x\\y", drv, dir, name, ext);
_tsplitpath(L"x\\", drv, dir, name, ext);
_tsplitpath(L"\\x", drv, dir, name, ext);
_tsplitpath(L"x", drv, dir, name, ext);
_tsplitpath(L"", drv, dir, name, ext);
_tsplitpath(L".x", drv, dir, name, ext);
_tsplitpath(L":x", drv, dir, name, ext);
_tsplitpath(L"a:x", drv, dir, name, ext);
_tsplitpath(L"a.b:x", drv, dir, name, ext);
_tsplitpath(L"W:\\/\\abc/Z:~", drv, dir, name, ext);
_tsplitpath(L"abc.EFGH:12345", drv, dir, name, ext);
_tsplitpath(L"C:/dos/command.com", drv, dir, name, ext);
}
*/