tests/unistdio/test-u32-vasnprintf1.c

   1 /* Test of u32_vasnprintf() function.
   2    Copyright (C) 2007-2024 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 Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include "unistdio.h"
  22
  23 #include <errno.h>
  24 #include <stdarg.h>
  25 #include <stddef.h>
  26 #include <stdint.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include "unistr.h"
  31 #include "macros.h"
  32
  33 #include "test-u32-asnprintf1.h"
  34 #include "test-u32-printf1.h"
  35
  36 static uint32_t *
  37 my_asnprintf (uint32_t *resultbuf, size_t *lengthp, const char *format, ...)
  38 {
  39   va_list args;
  40   uint32_t *ret;
  41
  42   va_start (args, format);
  43   ret = u32_vasnprintf (resultbuf, lengthp, format, args);
  44   va_end (args);
  45   return ret;
  46 }
  47
  48 static uint32_t *
  49 my_xasprintf (const char *format, ...)
  50 {
  51   va_list args;
  52   size_t length;
  53   uint32_t *ret;
  54
  55   va_start (args, format);
  56   ret = u32_vasnprintf (NULL, &length, format, args);
  57   va_end (args);
  58   if (ret != NULL)
  59     ASSERT (length == u32_strlen (ret));
  60   return ret;
  61 }
  62
  63 static void
  64 test_vasnprintf ()
  65 {
  66   test_function (my_asnprintf);
  67   test_xfunction (my_xasprintf);
  68 }
  69
  70 int
  71 main (int argc, char *argv[])
  72 {
  73   test_vasnprintf ();
  74   return test_exit_status;
  75 }