/* vi: set sw=4 ts=4: */
/*
- * Utility routines.
+ * bb_get_last_path_component implementation for busybox
*
- * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ * Copyright (C) 2001 Manuel Novoa III <mjn3@codepoet.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
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-#include <stdio.h>
-#include <string.h>
#include "libbb.h"
-
-char *get_last_path_component(char *path)
+char *bb_get_last_path_component(char *path)
{
- char *s;
- register char *ptr = path;
- register char *prev = 0;
+ char *first = path;
+ char *last;
- while (*ptr)
- ptr++;
- s = ptr - 1;
+ last = path - 1;
- /* strip trailing slashes */
- while (s != path && *s == '/') {
- *s-- = '\0';
+ while (*path) {
+ if ((*path != '/') && (path > ++last)) {
+ last = first = path;
+ }
+ ++path;
}
- /* find last component */
- ptr = path;
- while (*ptr != '\0') {
- if (*ptr == '/')
- prev = ptr;
- ptr++;
+ if (*first == '/') {
+ last = first;
}
- s = prev;
+ last[1] = '\0';
- if (s == NULL || s[1] == '\0')
- return path;
- else
- return s+1;
+ return first;
}
-
-
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/