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/* Test wide output conversion for warn.
Copyright (C) 2018-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/xmemstream.h>
#include <wchar.h>
/* Used to trigger the large-string path in __fxprintf. */
#define PADDING \
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
#define LPADDING \
L"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
static void
one_test (const char *message, int error_code, const wchar_t *expected)
{
wchar_t *buffer = NULL;
size_t length = 0;
FILE *fp = open_wmemstream (&buffer, &length);
TEST_VERIFY_EXIT (fp != NULL);
FILE *old_stderr = stderr;
stderr = fp;
errno = error_code;
switch (error_code)
{
case E2BIG:
warn ("%s with padding " PADDING, message);
break;
case EAGAIN:
warn ("%s", message);
break;
case -1:
warnx ("%s", message);
break;
case -2:
warnx ("%s with padding " PADDING, message);
break;
}
stderr = old_stderr;
TEST_VERIFY_EXIT (!ferror (fp));
TEST_COMPARE (fclose (fp), 0);
if (wcscmp (buffer, expected) != 0)
FAIL_EXIT1 ("unexpected output: %ls", buffer);
free (buffer);
}
static int
do_test (void)
{
one_test ("no errno", -1,
L"tst-warn-wide: no errno\n");
one_test ("no errno", -2,
L"tst-warn-wide: no errno with padding " PADDING "\n");
one_test ("with errno", EAGAIN,
L"tst-warn-wide: with errno: Resource temporarily unavailable\n");
one_test ("with errno", E2BIG,
L"tst-warn-wide: with errno with padding " PADDING
": Argument list too long\n");
return 0;
}
#include <support/test-driver.c>
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