kc3-lang/gnulib/tests/test-vasprintf.c

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• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

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• tests/test-vasprintf.c

• /* Test of vasprintf() and asprintf() functions.
     Copyright (C) 2007-2025 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 Bruno Haible <bruno@clisp.org>, 2007.  */
  
  #include <config.h>
  
  #include <stdio.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (asprintf, int, (char **, char const *, ...));
  SIGNATURE_CHECK (vasprintf, int, (char **, char const *, va_list));
  
  #include <stdarg.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "macros.h"
  
  static int
  my_asprintf (char **result, const char *format, ...)
  {
    va_list args;
    int ret;
  
    va_start (args, format);
    ret = vasprintf (result, format, args);
    va_end (args);
    return ret;
  }
  
  static void
  test_vasprintf ()
  {
    int repeat;
  
    for (repeat = 0; repeat <= 8; repeat++)
      {
        char *result;
        int retval = my_asprintf (&result, "%d", 12345);
        ASSERT (retval == 5);
        ASSERT (result != NULL);
        ASSERT (strcmp (result, "12345") == 0);
        free (result);
      }
  
    for (repeat = 0; repeat <= 8; repeat++)
      {
        char *result;
        int retval = my_asprintf (&result, "%08lx", 12345UL);
        ASSERT (retval == 8);
        ASSERT (result != NULL);
        ASSERT (strcmp (result, "00003039") == 0);
        free (result);
      }
  }
  
  static void
  test_asprintf ()
  {
    int repeat;
  
    for (repeat = 0; repeat <= 8; repeat++)
      {
        char *result;
        int retval = asprintf (&result, "%d", 12345);
        ASSERT (retval == 5);
        ASSERT (result != NULL);
        ASSERT (strcmp (result, "12345") == 0);
        free (result);
      }
  
    for (repeat = 0; repeat <= 8; repeat++)
      {
        char *result;
        int retval = asprintf (&result, "%08lx", 12345UL);
        ASSERT (retval == 8);
        ASSERT (result != NULL);
        ASSERT (strcmp (result, "00003039") == 0);
        free (result);
      }
  }
  
  int
  main (int argc, char *argv[])
  {
    test_vasprintf ();
    test_asprintf ();
    return test_exit_status;
  }
  

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