kc3-lang/gnulib/tests/test-dfa-match-aux.c

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• Hash : 02271486
  Author :
  Date : 2023-04-25T12:55:00
  

  dfa tests: Fix compilation error (regression 2023-04-22).
  
  * tests/test-dfa-match-aux.c: Include unistd.h.
  * modules/dfa-tests (Depends-on): Add unistd.
  

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• tests/test-dfa-match-aux.c

• /* Auxiliary program to test a DFA code path that cannot be triggered
     by grep or gawk.
     Copyright 2014-2023 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, 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, write to the Free Software
     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
     02110-1301, USA.  */
  
  #include <config.h>
  #include <locale.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  #include <regex.h>
  #include <dfa.h>
  #include <localeinfo.h>
  
  #include "binary-io.h"
  
  _Noreturn void
  dfaerror (char const *mesg)
  {
    printf ("dfaerror: %s\n", mesg);
    exit (EXIT_FAILURE);
  }
  
  static int exit_status = EXIT_SUCCESS;
  
  void
  dfawarn (char const *mesg)
  {
    printf ("dfawarn: %s\n", mesg);
    exit_status = EXIT_FAILURE;
  }
  
  int
  main (int argc, char **argv)
  {
    struct dfa *dfa;
    char *beg, *end, *p;
    int allow_nl;
    struct localeinfo localeinfo;
  
    if (argc < 3)
      exit (EXIT_FAILURE);
  
    /* This test's fixture needs to compare this program's output with an expected
       output.  On native Windows, the CR-LF newlines would cause this comparison
       to fail.  But we don't want to postprocess this program's output.  */
    set_binary_mode (STDOUT_FILENO, O_BINARY);
  
    setlocale (LC_ALL, "");
    init_localeinfo (&localeinfo);
  
    dfa = dfaalloc ();
    dfasyntax (dfa, &localeinfo, RE_SYNTAX_EGREP | RE_NO_EMPTY_RANGES, 0);
    dfacomp (argv[1], strlen (argv[1]), dfa, 0);
  
    beg = argv[2];
    end = argv[2] + strlen (argv[2]);
    allow_nl = argc > 3 && atoi (argv[3]);
  
    p = dfaexec (dfa, beg, end, allow_nl, NULL, NULL);
  
    if (p != NULL)
      printf ("%zd\n", p - beg);
  
    exit (exit_status);
  }
  

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