glibc/sysdeps/unix/rmdir.c

79 lines
2.0 KiB
C

/* Copyright (C) 1992, 1995, 1996, 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <string.h>
/* Create a directory named PATH with protections MODE. */
int
__rmdir (path)
const char *path;
{
char *cmd = __alloca (80 + strlen (path));
char *p;
int status;
int save;
struct stat statbuf;
if (path == NULL)
{
__set_errno (EINVAL);
return -1;
}
/* Check for some errors. */
if (__stat (path, &statbuf) < 0)
return -1;
if (!S_ISDIR (statbuf.st_mode))
{
__set_errno (ENOTDIR);
return -1;
}
p = cmd;
*p++ = 'r';
*p++ = 'm';
*p++ = 'd';
*p++ = 'i';
*p++ = 'r';
*p++ = ' ';
strcpy (p, path);
save = errno;
/* If system doesn't set errno, but the rmdir fails, we really
have no idea what went wrong. EIO is the vaguest error I
can think of, so I'll use that. */
__set_errno (EIO);
status = system (cmd);
if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
{
return 0;
__set_errno (save);
}
else
return -1;
}
weak_alias (__rmdir, rmdir)