busybox/libbb/get_last_path_component.c

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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
*
* 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 <stdio.h>
#include <string.h>
#include "libbb.h"
char *get_last_path_component(char *path)
{
char *s;
register char *ptr = path;
register char *prev = 0;
while (*ptr)
ptr++;
s = ptr - 1;
/* strip trailing slashes */
while (s != path && *s == '/') {
*s-- = '\0';
}
/* find last component */
ptr = path;
while (*ptr != '\0') {
if (*ptr == '/')
prev = ptr;
ptr++;
}
s = prev;
if (s == NULL || s[1] == '\0')
return path;
else
return s+1;
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/