tests/unistdio/test-u32-vsprintf1.c

   1 /* Test of u32_vsprintf() function.
   2    Copyright (C) 2007-2020 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 "xalloc.h"
  32 #include "macros.h"
  33
  34 #include "test-u32-printf1.h"
  35
  36 static uint32_t *
  37 my_xasprintf (const char *format, ...)
  38 {
  39   va_list args;
  40   uint32_t buf[1000];
  41   int retval;
  42   size_t length;
  43   uint32_t *result;
  44
  45   va_start (args, format);
  46   retval = u32_vsprintf (buf, format, args);
  47   va_end (args);
  48   if (retval < 0 || retval >= (int) sizeof (buf))
  49     return NULL;
  50   length = u32_strlen (buf);
  51   result = XNMALLOC (length + 1, uint32_t);
  52   u32_cpy (result, buf, length + 1);
  53   return result;
  54 }
  55
  56 static void
  57 test_vsprintf ()
  58 {
  59   test_xfunction (my_xasprintf);
  60 }
  61
  62 int
  63 main (int argc, char *argv[])
  64 {
  65   test_vsprintf ();
  66
  67   return 0;
  68 }