root/maint/gnulib/tests/test-getopt-gnu.c

/* */

   1 /* Test of command line argument processing.
   2    Copyright (C) 2009-2021 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 Bruno Haible <bruno@clisp.org>, 2009.  */
  18 
  19 #include <config.h>
  20 
  21 /* None of the files accessed by this test are large, so disable the
  22    ftell link warning if we are not using the gnulib ftell module.  */
  23 #define _GL_NO_LARGE_FILES
  24 
  25 /* POSIX and glibc provide the getopt() function in <unistd.h>, see
  26    https://pubs.opengroup.org/onlinepubs/9699919799/functions/getopt.html
  27    https://www.gnu.org/software/libc/manual/html_node/Using-Getopt.html
  28    But gnulib provides the getopt() function in <getopt.h>, not in <unistd.h>.
  29    This is what we are testing here.  */
  30 #include <getopt.h>
  31 
  32 #ifndef __getopt_argv_const
  33 # define __getopt_argv_const const
  34 #endif
  35 #include "signature.h"
  36 SIGNATURE_CHECK (getopt_long, int, (int, char *__getopt_argv_const *,
  37                                     char const *, struct option const *,
  38                                     int *));
  39 SIGNATURE_CHECK (getopt_long_only, int, (int, char *__getopt_argv_const *,
  40                                          char const *, struct option const *,
  41                                          int *));
  42 
  43 #define TEST_GETOPT_GNU 1
  44 #define TEST_GETOPT_TMP_NAME "test-getopt-gnu.tmp"
  45 #include "test-getopt-main.h"

/* */