sysdeps/unix/rmdir.c

   1 /* Copyright (C) 1992, 1995 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <sys/stat.h>
  23 #include <sys/types.h>
  24 #include <stdlib.h>
  25 #include <sys/wait.h>
  26 #include <string.h>
  27
  28 /* Create a directory named PATH with protections MODE.  */
  29 int
  30 DEFUN(__rmdir, (path), 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       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       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   errno = EIO;
  68   status = system (cmd);
  69   if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
  70     {
  71       return 0;
  72       errno = save;
  73     }
  74   else
  75     return -1;
  76 }
  77
  78 weak_alias (__rmdir, rmdir)