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splitpath.c

/*
 * Copyright 2000, 2004 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "winefile.h"


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 = '\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';
      }
}


/*
void main() // test splipath()
{
      WCHAR drv[_MAX_DRIVE+1], dir[_MAX_DIR], name[_MAX_FNAME], ext[_MAX_EXT];

      _wsplitpath(L"x\\y", drv, dir, name, ext);
      _wsplitpath(L"x\\", drv, dir, name, ext);
      _wsplitpath(L"\\x", drv, dir, name, ext);
      _wsplitpath(L"x", drv, dir, name, ext);
      _wsplitpath(L"", drv, dir, name, ext);
      _wsplitpath(L".x", drv, dir, name, ext);
      _wsplitpath(L":x", drv, dir, name, ext);
      _wsplitpath(L"a:x", drv, dir, name, ext);
      _wsplitpath(L"a.b:x", drv, dir, name, ext);
      _wsplitpath(L"W:\\/\\abc/Z:~", drv, dir, name, ext);
      _wsplitpath(L"abc.EFGH:12345", drv, dir, name, ext);
      _wsplitpath(L"C:/dos/command.com", drv, dir, name, ext);
}
*/

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