*
* 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.
*/
-/* Set to 1 if you want basename() behavior for NULL or "". */
-/* WARNING!!! Doing so will break basename applet at least! */
-#define EMULATE_BASENAME 0
-
-char *bb_get_last_path_component(char *path)
+#include "libbb.h"
+/*
+ * "/" -> "/"
+ * "abc" -> "abc"
+ * "abc/def" -> "def"
+ * "abc/def/" -> ""
+ */
+char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path)
{
-#if EMULATE_BASENAME
- static const char null_or_empty[] = ".";
-#endif
- char *first = path;
- char *last;
+ char *slash = strrchr(path, '/');
-#if EMULATE_BASENAME
- if (!path || !*path) {
- return (char *) null_or_empty;
- }
-#endif
+ if (!slash || (slash == path && !slash[1]))
+ return (char*)path;
- last = path - 1;
+ return slash + 1;
+}
- while (*path) {
- if ((*path != '/') && (path > ++last)) {
- last = first = path;
- }
- ++path;
- }
+/*
+ * "/" -> "/"
+ * "abc" -> "abc"
+ * "abc/def" -> "def"
+ * "abc/def/" -> "def" !!
+ */
+char* FAST_FUNC bb_get_last_path_component_strip(char *path)
+{
+ char *slash = last_char_is(path, '/');
- if (*first == '/') {
- last = first;
- }
- last[1] = 0;
+ if (slash)
+ while (*slash == '/' && slash != path)
+ *slash-- = '\0';
- return first;
+ return bb_get_last_path_component_nostrip(path);
}