1 /* basename.c -- return the last element in a path
2 Copyright (C) 1990, 1998, 1999, 2000 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 #ifndef FILESYSTEM_PREFIX_LEN
25 # define FILESYSTEM_PREFIX_LEN(Filename) 0
29 # if defined PROTOTYPES || (defined __STDC__ && __STDC__)
30 # define PARAMS(Args) Args
32 # define PARAMS(Args) ()
37 # define ISSLASH(C) ((C) == '/')
40 char *base_name PARAMS ((char const *name));
42 /* In general, we can't use the builtin `basename' function if available,
43 since it has different meanings in different environments.
44 In some environments the builtin `basename' modifies its argument.
45 If NAME is all slashes, be sure to return `/'. */
48 base_name (char const *name)
50 char const *base = name += FILESYSTEM_PREFIX_LEN (name);
54 for (p = name; *p; p++)
62 /* If NAME is all slashes, arrange to return `/'. */
63 if (*base == '\0' && ISSLASH (*name) && all_slashes)
66 /* Make sure the last byte is not a slash. */
67 assert (all_slashes || !ISSLASH (*(p - 1)));