56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini dirname function.
|
|
*
|
|
* Copyright (C) 2001 Matt Kraai.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include "libbb.h"
|
|
|
|
#if defined __UCLIBC__ || __GNU_LIBRARY___ < 5
|
|
|
|
/* Return a string containing the path name of the parent
|
|
* directory of PATH. */
|
|
|
|
char *dirname(char *path)
|
|
{
|
|
char *s;
|
|
|
|
/* Go to the end of the string. */
|
|
s = path + strlen(path) - 1;
|
|
|
|
/* Strip off trailing /s (unless it is also the leading /). */
|
|
while (path < s && s[0] == '/')
|
|
s--;
|
|
|
|
/* Strip the last component. */
|
|
while (path <= s && s[0] != '/')
|
|
s--;
|
|
|
|
while (path < s && s[0] == '/')
|
|
s--;
|
|
|
|
if (s < path)
|
|
return ".";
|
|
|
|
s[1] = '\0';
|
|
return path;
|
|
}
|
|
|
|
#endif
|