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87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* PURPOSE: CRT: implementation of _splitpath / _wsplitpath
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* PROGRAMMERS: Timo Kreuzer
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*/
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#include <precomp.h>
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#include <tchar.h>
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/*
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* @implemented
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*/
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void _tsplitpath(const _TCHAR* path, _TCHAR* drive, _TCHAR* dir, _TCHAR* fname, _TCHAR* ext)
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{
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const _TCHAR *src, *dir_start, *file_start = 0, *ext_start = 0;
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/* Truncate all output strings */
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if (drive) drive[0] = '\0';
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if (dir) dir[0] = '\0';
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if (fname) fname[0] = '\0';
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if (ext) ext[0] = '\0';
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/* Check parameter */
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if (!path)
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{
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#ifndef _LIBCNT_
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__set_errno(EINVAL);
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#endif
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return;
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}
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/* Skip '\\?\' prefix */
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if ((path[0] == '\\') && (path[1] == '\\') &&
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(path[2] == '?') && (path[3] == '\\')) path += 4;
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if (path[0] == '\0') return;
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/* Check if we have a drive letter (only 1 char supported) */
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if (path[1] == ':')
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{
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if (drive)
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{
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drive[0] = path[0];
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drive[1] = ':';
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drive[2] = '\0';
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}
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path += 2;
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}
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/* Scan the rest of the string */
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dir_start = path;
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while (*path != '\0')
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{
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/* Remember last path seperator and last dot */
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if ((*path == '\\') || (*path == '/')) file_start = path + 1;
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if (*path == '.') ext_start = path;
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path++;
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}
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/* Check if we got a file name / extension */
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if (!file_start) file_start = path;
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if (!ext_start || ext_start < file_start) ext_start = path;
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if (dir)
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{
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src = dir_start;
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while (src < file_start) *dir++ = *src++;
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*dir = '\0';
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}
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if (fname)
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{
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src = file_start;
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while (src < ext_start) *fname++ = *src++;
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*fname = '\0';
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}
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if (ext)
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{
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src = ext_start;
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while (*src != '\0') *ext++ = *src++;
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*ext = '\0';
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}
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}
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