+
−/* Tests of remove.
+
−   Copyright (C) 2009-2014 Free Software Foundation, Inc.
+
−
+
−   This program is free software: you can redistribute it and/or modify
+
−   it under the terms of the GNU General Public License as published by
+
−   the Free Software Foundation; either version 3 of the License, or
+
−   (at your option) any later version.
+
−
+
−   This program 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 General Public License for more details.
+
−
+
−   You should have received a copy of the GNU General Public License
+
−   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
−
+
−/* Written by Eric Blake <ebb9@byu.net>, 2009.  */
+
−
+
−#include <config.h>
+
−
+
−#include <stdio.h>
+
−
+
−#include "signature.h"
+
−SIGNATURE_CHECK (remove, int, (char const *));
+
−
+
−#include <fcntl.h>
+
−#include <errno.h>
+
−#include <stdlib.h>
+
−#include <string.h>
+
−#include <sys/stat.h>
+
−#include <unistd.h>
+
−
+
−#include "ignore-value.h"
+
−#include "macros.h"
+
−
+
−#define BASE "test-remove.t"
+
−
+
−int
+
−main (void)
+
−{
+
−  /* Remove any leftovers from a previous partial run.  */
+
−  ignore_value (system ("rm -rf " BASE "*"));
+
−
+
−  /* Setup.  */
+
−  ASSERT (mkdir (BASE "dir", 0700) == 0);
+
−  ASSERT (close (creat (BASE "dir/file", 0600)) == 0);
+
−
+
−  /* Basic error conditions.  */
+
−  errno = 0;
+
−  ASSERT (remove ("") == -1);
+
−  ASSERT (errno == ENOENT);
+
−  errno = 0;
+
−  ASSERT (remove ("nosuch") == -1);
+
−  ASSERT (errno == ENOENT);
+
−  errno = 0;
+
−  ASSERT (remove ("nosuch/") == -1);
+
−  ASSERT (errno == ENOENT);
+
−  errno = 0;
+
−  ASSERT (remove (".") == -1);
+
−  ASSERT (errno == EINVAL || errno == EBUSY);
+
−  /* Resulting errno after ".." or "/" is too varied to test; it is
+
−     reasonable to see any of EINVAL, EEXIST, ENOTEMPTY, EACCES.  */
+
−  ASSERT (remove ("..") == -1);
+
−  ASSERT (remove ("/") == -1);
+
−  ASSERT (remove ("///") == -1);
+
−  errno = 0;
+
−  ASSERT (remove (BASE "dir/file/") == -1);
+
−  ASSERT (errno == ENOTDIR);
+
−
+
−  /* Non-empty directory.  */
+
−  errno = 0;
+
−  ASSERT (remove (BASE "dir") == -1);
+
−  ASSERT (errno == EEXIST || errno == ENOTEMPTY);
+
−
+
−  /* Non-directory.  */
+
−  ASSERT (remove (BASE "dir/file") == 0);
+
−
+
−  /* Empty directory.  */
+
−  errno = 0;
+
−  ASSERT (remove (BASE "dir/.//") == -1);
+
−  ASSERT (errno == EINVAL || errno == EBUSY || errno == EEXIST);
+
−  ASSERT (remove (BASE "dir") == 0);
+
−
+
−  /* Test symlink behavior.  Specifying trailing slash should remove
+
−     referent directory, or cause ENOTDIR failure, but not touch
+
−     symlink.  */
+
−  if (symlink (BASE "dir", BASE "link") != 0)
+
−    {
+
−      fputs ("skipping test: symlinks not supported on this file system\n",
+
−             stderr);
+
−      return 77;
+
−    }
+
−  ASSERT (mkdir (BASE "dir", 0700) == 0);
+
−  errno = 0;
+
−  if (remove (BASE "link/") == 0)
+
−    {
+
−      struct stat st;
+
−      errno = 0;
+
−      ASSERT (stat (BASE "link", &st) == -1);
+
−      ASSERT (errno == ENOENT);
+
−    }
+
−  else
+
−    ASSERT (remove (BASE "dir") == 0);
+
−  {
+
−    struct stat st;
+
−    ASSERT (lstat (BASE "link", &st) == 0);
+
−    ASSERT (S_ISLNK (st.st_mode));
+
−  }
+
−  ASSERT (remove (BASE "link") == 0);
+
−  /* Trailing slash on symlink to non-directory is an error.  */
+
−  ASSERT (symlink (BASE "loop", BASE "loop") == 0);
+
−  errno = 0;
+
−  ASSERT (remove (BASE "loop/") == -1);
+
−  ASSERT (errno == ELOOP || errno == ENOTDIR);
+
−  ASSERT (remove (BASE "loop") == 0);
+
−  ASSERT (close (creat (BASE "file", 0600)) == 0);
+
−  ASSERT (symlink (BASE "file", BASE "link") == 0);
+
−  errno = 0;
+
−  ASSERT (remove (BASE "link/") == -1);
+
−  ASSERT (errno == ENOTDIR);
+
−  ASSERT (remove (BASE "link") == 0);
+
−  ASSERT (remove (BASE "file") == 0);
+
−
+
−  return 0;
+
−}