72cb975213
Throughout, make these changes Copyright headers: GNU Mes First mention of name: GNU Mes Website: https://www.gnu.org/software/mes Git: git://git.savannah.gnu.org/mes.git
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
|
|
* GNU Mes --- Maxwell Equations of Software
|
|
* Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
*
|
|
* This file is part of GNU Mes.
|
|
*
|
|
* GNU Mes is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* GNU Mes 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "30-test.i"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <setjmp.h>
|
|
|
|
int foo;
|
|
|
|
void
|
|
second()
|
|
{
|
|
if (foo++) exit (1);
|
|
printf ("second\n"); // prints
|
|
longjmp (buf,1); // jumps back to where setjmp was called - making setjmp now return 1
|
|
exit (1);
|
|
}
|
|
|
|
void
|
|
first ()
|
|
{
|
|
second ();
|
|
printf ("first\n"); // does not print
|
|
exit (2);
|
|
}
|
|
|
|
int
|
|
test ()
|
|
{
|
|
if (!setjmp (buf))
|
|
first (); // when executed, setjmp returned 0
|
|
else // when longjmp jumps back, setjmp returns 1
|
|
{
|
|
printf ("main\n"); // prints
|
|
return 0;
|
|
}
|
|
|
|
return 3;
|
|
}
|