glibc/libio/tst-wmemstream5.c

58 lines
1.6 KiB
C
Raw Normal View History

/* Copyright (C) 2021 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 <wchar.h>
extern int fclose (FILE*);
#if defined __GNUC__ && __GNUC__ >= 11
/* Verify that calling fclose on the result of open_wmemstream doesn't
trigger GCC -Wmismatched-dealloc with fclose forward-declared and
without <stdio.h> included in the same translation unit. */
#pragma GCC diagnostic push
#pragma GCC diagnostic error "-Wmismatched-dealloc"
#endif
static int
do_test (void)
{
{
wchar_t *buf;
size_t size;
FILE *f = open_wmemstream (&buf, &size);
fclose (f);
}
{
FILE* (*pf)(wchar_t**, size_t*) = open_wmemstream;
wchar_t *buf;
size_t size;
FILE *f = pf (&buf, &size);
fclose (f);
}
return 0;
}
#if defined __GNUC__ && __GNUC__ >= 11
/* Restore -Wmismatched-dealloc setting. */
# pragma GCC diagnostic pop
#endif
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"