From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- setjmp/tst-setjmp.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 setjmp/tst-setjmp.c (limited to 'setjmp/tst-setjmp.c') diff --git a/setjmp/tst-setjmp.c b/setjmp/tst-setjmp.c new file mode 100644 index 0000000..ef6e1f5 --- /dev/null +++ b/setjmp/tst-setjmp.c @@ -0,0 +1,61 @@ +/* Copyright (C) 1991, 1992 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include + +static jmp_buf env; +static int last_value = -1, lose = 0; + +void +DEFUN(jump, (val), int val) +{ + longjmp(env, val); +} + +int +DEFUN_VOID(main) +{ + int value; + + value = setjmp(env); + if (value != last_value + 1) + { + fputs("Shouldn't have ", stdout); + lose = 1; + } + last_value = value; + switch (value) + { + case 0: + puts("Saved environment."); + jump(0); + default: + printf("Jumped to %d.\n", value); + if (value < 10) + jump(value + 1); + } + + if (lose || value != 10) + puts("Test FAILED!"); + else + puts("Test succeeded!"); + exit(lose ? EXIT_FAILURE : EXIT_SUCCESS); +} -- cgit v1.1