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/* Test of u8_vasnprintf() function in an UTF-8 locale.
Copyright (C) 2007-2024 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 "unistdio.h"
#include <locale.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "unistr.h"
#include "macros.h"
static void
test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...))
{
/* Test the support of the 's' conversion specifier for strings. */
{
const char *locale_string = "\303\204rger"; /* Ärger */
{
size_t length;
uint8_t *result =
my_asnprintf (NULL, &length, "%s %d", locale_string, 33, 44, 55);
static const uint8_t expected[] = "\303\204rger 33";
ASSERT (result != NULL);
ASSERT (u8_strcmp (result, expected) == 0);
ASSERT (length == u8_strlen (result));
free (result);
}
{ /* Width. */
size_t length;
uint8_t *result =
my_asnprintf (NULL, &length, "%10s %d", locale_string, 33, 44, 55);
static const uint8_t expected[] = " \303\204rger 33";
ASSERT (result != NULL);
ASSERT (u8_strcmp (result, expected) == 0);
ASSERT (length == u8_strlen (result));
free (result);
}
{ /* FLAG_LEFT. */
size_t length;
uint8_t *result =
my_asnprintf (NULL, &length, "%-10s %d", locale_string, 33, 44, 55);
static const uint8_t expected[] = "\303\204rger 33";
ASSERT (result != NULL);
ASSERT (u8_strcmp (result, expected) == 0);
ASSERT (length == u8_strlen (result));
free (result);
}
{ /* FLAG_ZERO: no effect. */
size_t length;
uint8_t *result =
my_asnprintf (NULL, &length, "%010s %d", locale_string, 33, 44, 55);
static const uint8_t expected[] = " \303\204rger 33";
ASSERT (result != NULL);
ASSERT (u8_strcmp (result, expected) == 0);
ASSERT (length == u8_strlen (result));
free (result);
}
}
}
static uint8_t *
my_asnprintf (uint8_t *resultbuf, size_t *lengthp, const char *format, ...)
{
va_list args;
uint8_t *ret;
va_start (args, format);
ret = u8_vasnprintf (resultbuf, lengthp, format, args);
va_end (args);
return ret;
}
static void
test_vasnprintf ()
{
test_function (my_asnprintf);
}
int
main (int argc, char *argv[])
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
test_vasnprintf ();
return 0;
}
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