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/* Test for the long double variants of *syslog* functions.
Copyright (C) 2019-2025 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 <stdarg.h>
#include <stddef.h>
#include <syslog.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
static void
do_test_one_call (void *last, ...)
{
long double ld = -1;
va_list ap;
/* Make syslog functions write to stderr with LOG_PERROR, so that it
can be captured by support_capture_subprocess and verified. */
openlog ("test-syslog", LOG_PERROR, LOG_USER);
/* Call syslog functions that take a format string. */
SYSLOG_FUNCTION SYSLOG_FUNCTION_PARAMS;
va_start (ap, last);
VSYSLOG_FUNCTION VSYSLOG_FUNCTION_PARAMS;
va_end (ap);
}
static void
do_test_call (void)
{
long double ld = -1;
do_test_one_call (NULL, ld);
}
static int
do_test (void)
{
struct support_capture_subprocess result;
result = support_capture_subprocess ((void *) &do_test_call, NULL);
do_test_call ();
/* Compare against the expected output. */
const char *expected =
"test-syslog: -1.000000\n"
"test-syslog: -1.000000\n";
TEST_COMPARE_STRING (expected, result.err.buffer);
return 0;
}
#include <support/test-driver.c>
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