string/basename.c

   1 /* Return the name-within-directory of a file name.
   2    Copyright (C) 1996-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #include <string.h>
  24
  25 #ifndef _LIBC
  26 /* We cannot generally use the name `basename' since XPG defines an unusable
  27    variant of the function but we cannot use it.  */
  28 # define basename gnu_basename
  29 #endif
  30
  31
  32 char *
  33 basename (filename)
  34      const char *filename;
  35 {
  36   char *p = strrchr (filename, '/');
  37   return p ? p + 1 : (char *) filename;
  38 }
  39 #ifdef _LIBC
  40 libc_hidden_def (basename)
  41 #endif