sysdeps/unix/rmdir.c

   1 /* Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <sys/stat.h>
  22 #include <sys/types.h>
  23 #include <stdlib.h>
  24 #include <sys/wait.h>
  25 #include <string.h>
  26
  27 /* Create a directory named PATH with protections MODE.  */
  28 int
  29 __rmdir (path)
  30      const char *path;
  31 {
  32   char *cmd = __alloca (80 + strlen (path));
  33   char *p;
  34   int status;
  35   int save;
  36   struct stat statbuf;
  37
  38   if (path == NULL)
  39     {
  40       __set_errno (EINVAL);
  41       return -1;
  42     }
  43
  44   /* Check for some errors.  */
  45   if (__stat (path, &statbuf) < 0)
  46     return -1;
  47   if (!S_ISDIR (statbuf.st_mode))
  48     {
  49       __set_errno (ENOTDIR);
  50       return -1;
  51     }
  52
  53   p = cmd;
  54   *p++ = 'r';
  55   *p++ = 'm';
  56   *p++ = 'd';
  57   *p++ = 'i';
  58   *p++ = 'r';
  59   *p++ = ' ';
  60
  61   strcpy (p, path);
  62
  63   save = errno;
  64   /* If system doesn't set errno, but the rmdir fails, we really
  65      have no idea what went wrong.  EIO is the vaguest error I
  66      can think of, so I'll use that.  */
  67   __set_errno (EIO);
  68   status = system (cmd);
  69   if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
  70     {
  71       return 0;
  72       __set_errno (save);
  73     }
  74   else
  75     return -1;
  76 }
  77
  78 weak_alias (__rmdir, rmdir)