X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fget_last_path_component.c;h=b7bc0e626ae1b6a8175ad83a9bd842b68d2ecdaf;hb=7154b99c89f9598cafc0044008fe61eb202099dc;hp=85c7609c9aecfecfe14c1187aac9fc344ef0bcd9;hpb=bdfd0d78bc44e73d693510e70087857785b3b521;p=oweals%2Fbusybox.git

diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
index 85c7609c9..b7bc0e626 100644
--- a/libbb/get_last_path_component.c
+++ b/libbb/get_last_path_component.c
@@ -1,65 +1,32 @@
 /* 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:
-*/