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-rw-r--r--manual/examples/setjmp.c49
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diff --git a/manual/examples/setjmp.c b/manual/examples/setjmp.c
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--- a/manual/examples/setjmp.c
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-/* Introduction to Non-Local Exits
- Copyright (C) 1991-2017 Free Software Foundation, Inc.
-
- This program 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 2
- of the License, or (at your option) any later version.
-
- This program 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 this program; if not, if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <setjmp.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-jmp_buf main_loop;
-
-void
-abort_to_main_loop (int status)
-{
- longjmp (main_loop, status);
-}
-
-int
-main (void)
-{
- while (1)
- if (setjmp (main_loop))
- puts ("Back at main loop....");
- else
- do_command ();
-}
-
-
-void
-do_command (void)
-{
- char buffer[128];
- if (fgets (buffer, 128, stdin) == NULL)
- abort_to_main_loop (-1);
- else
- exit (EXIT_SUCCESS);
-}