glibc/posix/test-ssize-max.c

40 lines
1.2 KiB
C

/* Test SSIZE_MAX value and type.
Copyright (C) 2018-2020 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 <limits.h>
#include <sys/types.h>
/* Test SSIZE_MAX has type ssize_t. */
ssize_t x;
extern __typeof (SSIZE_MAX) x;
/* Test the value of SSIZE_MAX. */
_Static_assert (SSIZE_MAX == (sizeof (ssize_t) == sizeof (int)
? INT_MAX
: LONG_MAX),
"value of SSIZE_MAX");
static int
do_test (void)
{
/* This is a compilation test. */
return 0;
}
#include <support/test-driver.c>