/* basename.c -- return the last element in a path
- Copyright (C) 1990 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1998 Free Software Foundation, Inc.
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
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#if HAVE_CONFIG_H
+# include <config.h>
#endif
-/* Return NAME with any leading path stripped off.
- Don't use strrchr/rindex. */
+#ifndef FILESYSTEM_PREFIX_LEN
+# define FILESYSTEM_PREFIX_LEN(Filename) 0
+#endif
+
+#ifndef ISSLASH
+# define ISSLASH(C) ((C) == '/')
+#endif
+
+/* In general, we can't use the builtin `basename' function if available,
+ since it has different meanings in different environments.
+ In some environments the builtin `basename' modifies its argument. */
char *
-basename (name)
- const char *name;
+base_name (char const *name)
{
- const char *base = name;
-
- while (*name)
- {
- if (*name == '/')
- base = name + 1;
- ++name;
- }
+ char const *base = name += FILESYSTEM_PREFIX_LEN (name);
+
+ for (; *name; name++)
+ if (ISSLASH (*name))
+ base = name + 1;
+
return (char *) base;
}