kc3-lang/gnulib/tests/test-areadlinkat-with-size.c

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• Hash : 8ba0c4da
  Author :
  Date : 2025-09-01T13:04:21
  

  tests: adapt AT_FDCWD fix for more tests
  
  * tests/test-areadlinkat-with-size.c (main):
  * tests/test-areadlinkat.c (main):
  * tests/test-faccessat.c (main):
  * tests/test-fchmodat.c (main):
  * tests/test-fchownat.c (main):
  * tests/test-fstatat.c (main):
  * tests/test-linkat.c (main):
  * tests/test-mkdirat.c (main):
  * tests/test-mkfifoat.c (main):
  * tests/test-openat-safer.c (main):
  * tests/test-readlinkat.c (main):
  * tests/test-renameat.c (main):
  * tests/test-renameatu.c (main):
  * tests/test-symlinkat.c (main):
  * tests/test-unlinkat.c (main):
  * tests/test-utimensat.c (main):
  Work even if AT_FDCWD == -1.
  

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• tests/test-areadlinkat-with-size.c

• /* Tests of areadlinkat_with_size.
     Copyright (C) 2009-2025 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 <https://www.gnu.org/licenses/>.  */
  
  /* Written by Eric Blake <ebb9@byu.net>, 2009.  */
  
  #include <config.h>
  
  #include "areadlink.h"
  
  #include <fcntl.h>
  #include <errno.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <sys/stat.h>
  #include <unistd.h>
  
  #include "ignore-value.h"
  #include "macros.h"
  
  #define BASE "test-areadlinkat-with-size.t"
  
  #include "test-areadlink.h"
  
  static int dfd = AT_FDCWD;
  
  /* Wrapper for testing areadlinkat_with_size.  */
  static char *
  do_areadlinkat_with_size (char const *name, size_t size)
  {
    return areadlinkat_with_size (dfd, name, size);
  }
  
  int
  main (void)
  {
    int result;
  
    /* Remove any leftovers from a previous partial run.  */
    ignore_value (system ("rm -rf " BASE "*"));
  
    /* Basic tests.  */
    result = test_areadlink (do_areadlinkat_with_size, false);
    dfd = open (".", O_RDONLY);
    ASSERT (0 <= dfd);
    ASSERT (test_areadlink (do_areadlinkat_with_size, false) == result);
  
    /* Relative tests.  */
    if (result == 77)
      fputs ("skipping test: symlinks not supported on this file system\n",
             stderr);
    else
      {
        char *buf;
        ASSERT (symlink ("nowhere", BASE "link") == 0);
        ASSERT (mkdir (BASE "dir", 0700) == 0);
        ASSERT (chdir (BASE "dir") == 0);
        buf = areadlinkat_with_size (dfd, BASE "link", strlen (BASE "link"));
        ASSERT (buf);
        ASSERT (strcmp (buf, "nowhere") == 0);
        free (buf);
        errno = 0;
        ASSERT (areadlinkat_with_size (AT_FDCWD == -1 ? -2 : -1, BASE "link", 1)
                == NULL);
        ASSERT (errno == EBADF);
        errno = 0;
        ASSERT (areadlinkat_with_size (AT_FDCWD, BASE "link", 1) == NULL);
        ASSERT (errno == ENOENT);
        ASSERT (chdir ("..") == 0);
        ASSERT (rmdir (BASE "dir") == 0);
        ASSERT (unlink (BASE "link") == 0);
      }
  
    ASSERT (close (dfd) == 0);
    return (result ? result : test_exit_status);
  }
  

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