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/* Test matherr (compat symbols, binary modifies library's _LIB_VERSION).
Copyright (C) 1997-2021 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 <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <math-svid-compat.h>
#include <shlib-compat.h>
#if TEST_COMPAT (libm, GLIBC_2_0, GLIBC_2_27)
# undef matherr
# undef _LIB_VERSION
compat_symbol_reference (libm, matherr, matherr, GLIBC_2_0);
compat_symbol_reference (libm, _LIB_VERSION, _LIB_VERSION, GLIBC_2_0);
static int fail = 1;
int
matherr (struct exception *s)
{
printf ("matherr is working\n");
fail = 0;
return 1;
}
static int
do_test (void)
{
_LIB_VERSION = _SVID_;
acos (2.0);
return fail;
}
#else
static int
do_test (void)
{
return 77;
}
#endif
#include <support/test-driver.c>
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