summaryrefslogtreecommitdiff
path: root/setjmp/tst-setjmp.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /setjmp/tst-setjmp.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
initial import
Diffstat (limited to 'setjmp/tst-setjmp.c')
-rw-r--r--setjmp/tst-setjmp.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/setjmp/tst-setjmp.c b/setjmp/tst-setjmp.c
new file mode 100644
index 0000000000..ef6e1f5f9f
--- /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 <ansidecl.h>
+#include <stdio.h>
+#include <setjmp.h>
+#include <stdlib.h>
+
+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);
+}