tests/test-lstat.c

   1 /* Test of lstat() function.
   2    Copyright (C) 2008-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Simon Josefsson, 2008; and Eric Blake, 2009.  */
  18
  19 #include <config.h>
  20
  21 #include <sys/stat.h>
  22
  23 /* Caution: lstat may be a function-like macro.  Although this
  24    signature check must pass, it may be the signature of the real (and
  25    broken) lstat rather than rpl_lstat.  Most code should not use the
  26    address of lstat.  */
  27 #include "signature.h"
  28 SIGNATURE_CHECK (lstat, int, (char const *, struct stat *));
  29
  30 #include <fcntl.h>
  31 #include <errno.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <unistd.h>
  35
  36 #include "same-inode.h"
  37 #include "ignore-value.h"
  38 #include "macros.h"
  39
  40 #define BASE "test-lstat.t"
  41
  42 #include "test-lstat.h"
  43
  44 /* Wrapper around lstat, which works even if lstat is a function-like
  45    macro, where test_lstat_func(lstat) would do the wrong thing.  */
  46 static int
  47 do_lstat (char const *name, struct stat *st)
  48 {
  49   return lstat (name, st);
  50 }
  51
  52 int
  53 main (void)
  54 {
  55   /* Remove any leftovers from a previous partial run.  */
  56   ignore_value (system ("rm -rf " BASE "*"));
  57
  58   int result = test_lstat_func (do_lstat, true);
  59   return (result ? result : test_exit_status);
  60 }