1/* Test matherr (compat symbols, binary defines own _LIB_VERSION).
2 Copyright (C) 1997-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <math.h>
20#include <stdio.h>
21#include <stdlib.h>
22
23#include <math-svid-compat.h>
24#include <shlib-compat.h>
25
26#if TEST_COMPAT (libm, GLIBC_2_0, GLIBC_2_27)
27
28# undef matherr
29# undef _LIB_VERSION
30compat_symbol_reference (libm, matherr, matherr, GLIBC_2_0);
31compat_symbol_reference (libm, _LIB_VERSION, _LIB_VERSION, GLIBC_2_0);
32
33_LIB_VERSION_TYPE _LIB_VERSION = _SVID_;
34
35static int fail = 1;
36
37int
38matherr (struct exception *s)
39{
40 printf (format: "matherr is working\n");
41 fail = 0;
42 return 1;
43}
44
45static int
46do_test (void)
47{
48 acos (x: 2.0);
49 return fail;
50}
51#else
52static int
53do_test (void)
54{
55 return 77;
56}
57#endif
58
59#include <support/test-driver.c>
60

source code of glibc/math/test-matherr-2.c