glibc/libio/tst-stderr-compat.c

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/* Test that fclose works on stderr from glibc 2.0.
Copyright (C) 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 <shlib-compat.h>
#if TEST_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
# define _LIBC
# define _IO_USE_OLD_IO_FILE
# include <stdio.h>
# include <support/check.h>
extern FILE _IO_stderr_;
compat_symbol_reference (libc, _IO_stderr_, _IO_stderr_, GLIBC_2_0);
compat_symbol_reference (libc, fclose, fclose, GLIBC_2_0);
__attribute__ ((weak, noclone, noinline))
void
do_fclose (FILE *fp)
{
TEST_VERIFY_EXIT (fclose (fp) == 0);
}
static int
do_test (void)
{
do_fclose (&_IO_stderr_);
return 0;
}
#else
static int
do_test (void)
{
return 0;
}
#endif
#include <support/test-driver.c>