glibc/sysdeps/posix/remove.c

45 lines
1.4 KiB
C

/* ANSI C `remove' function to delete a file or directory. POSIX.1 version.
Copyright (C) 1995-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#ifndef IS_NO_DIRECTORY_ERROR
# define IS_NO_DIRECTORY_ERROR errno != EPERM
#endif
int
remove (file)
const char *file;
{
/* First try to unlink since this is more frequently the necessary action. */
if (__unlink (file) != 0
/* If it is indeed a directory... */
&& (IS_NO_DIRECTORY_ERROR
/* ...try to remove it. */
|| __rmdir (file) != 0))
/* Cannot remove the object for whatever reason. */
return -1;
return 0;
}
libc_hidden_def (remove)