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glibc/setjmp/bug269-setjmp.c
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/* Copyright (C) 2004-2016 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 | |
<http://www.gnu.org/licenses/>. */ | |
/* Test case for Bugzilla # 269 */ | |
#include <stdio.h> | |
#include <setjmp.h> | |
#include <stdlib.h> | |
jmp_buf buf1; | |
jmp_buf buf2; | |
int *p; | |
int n_x = 6; | |
static int g_counter = 0; | |
int | |
f (void) | |
{ | |
static int counter = 0; | |
static int way_point1 = 3; | |
static int way_point2 = 2; | |
int lose = 0; | |
if (setjmp (buf1) != 101) | |
{ | |
int a[n_x]; /* reallocate stack space */ | |
g_counter++; | |
p = &a[0]; | |
if (g_counter < 5) | |
longjmp (buf1, 2); | |
else if (g_counter == 5) | |
longjmp (buf1, 101); | |
else | |
{ | |
_setjmp (buf2); | |
_longjmp (buf1, 101); | |
} | |
} | |
way_point1--; | |
if (counter == 0) | |
{ | |
counter++; | |
{ | |
int a[n_x]; /* reallocate stack space */ | |
g_counter++; | |
p = &a[0]; | |
if (g_counter < 5) | |
longjmp (buf1, 2); | |
else if (g_counter == 5) | |
longjmp (buf1, 101); | |
else | |
{ | |
_setjmp (buf2); | |
_longjmp (buf1, 101); | |
} | |
} | |
} | |
way_point2--; | |
if (counter == 1) | |
{ | |
counter++; | |
longjmp (buf2, 2); | |
} | |
lose = !(way_point1 == 0 && way_point2 == 0 | |
&& g_counter == 6 && counter == 2); | |
return lose; | |
} | |
static int | |
do_test (void) | |
{ | |
int lose; | |
lose = f (); | |
if (lose) | |
puts ("Test FAILED!"); | |
else | |
puts ("Test succeeded!"); | |
return lose ? EXIT_FAILURE : EXIT_SUCCESS; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |