sysdeps/posix/remove.c

   1 /* ANSI C `remove' function to delete a file or directory.  POSIX.1 version.
   2    Copyright (C) 1995,96,97,2002,2003,2010 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <stdio.h>
  22 #include <unistd.h>
  23
  24
  25 #ifndef IS_NO_DIRECTORY_ERROR
  26 # define IS_NO_DIRECTORY_ERROR errno != EPERM
  27 #endif
  28
  29
  30 int
  31 remove (file)
  32      const char *file;
  33 {
  34   /* First try to unlink since this is more frequently the necessary action. */
  35   if (__unlink (file) != 0
  36       /* If it is indeed a directory...  */
  37       && (IS_NO_DIRECTORY_ERROR
  38           /* ...try to remove it.  */
  39           || __rmdir (file) != 0))
  40     /* Cannot remove the object for whatever reason.  */
  41     return -1;
  42
  43   return 0;
  44 }
  45 libc_hidden_def (remove)