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Diffstat (limited to 'setjmp')
-rw-r--r--setjmp/setjmp.h6
-rw-r--r--setjmp/tst-setjmp.c35
2 files changed, 37 insertions, 4 deletions
diff --git a/setjmp/setjmp.h b/setjmp/setjmp.h
index 75abb18..eb4305f 100644
--- a/setjmp/setjmp.h
+++ b/setjmp/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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
@@ -51,7 +51,7 @@ extern int __sigsetjmp __P ((jmp_buf __env, int __savemask));
#ifndef __FAVOR_BSD
/* Set ENV to the current position and return 0, not saving the signal mask.
This is just like `sigsetjmp (ENV, 0)'.
- The ANSI C standard says `setjmp' is a macro. */
+ The ISO C standard says `setjmp' is a macro. */
#define setjmp(env) __sigsetjmp ((env), 0)
#else
/* We are in 4.3 BSD-compatibility mode in which `setjmp'
@@ -61,7 +61,7 @@ extern int __sigsetjmp __P ((jmp_buf __env, int __savemask));
#ifdef __USE_BSD
/* Set ENV to the current position and return 0, not saving the signal mask.
- This is the 4.3 BSD name for ANSI `setjmp'. */
+ This is the 4.3 BSD name for ISO `setjmp'. */
#define _setjmp(env) __sigsetjmp ((env), 0)
#endif
diff --git a/setjmp/tst-setjmp.c b/setjmp/tst-setjmp.c
index 6147ae9..b4cba11 100644
--- a/setjmp/tst-setjmp.c
+++ b/setjmp/tst-setjmp.c
@@ -54,8 +54,14 @@ main (void)
if (!lose && value == 10)
{
- /* Do a second test, this time without `setjmp' being a macro. */
+ /* Do a second test, this time without `setjmp' being a macro.
+ This is not required by ISO C but we have this for compatibility. */
#undef setjmp
+ extern int setjmp (jmp_buf);
+
+ last_value = -1;
+ lose = 0;
+
value = setjmp (env);
if (value != last_value + 1)
{
@@ -75,6 +81,33 @@ main (void)
}
}
+ if (!lose && value == 10)
+ {
+ /* And again for the `__setjmp' function. */
+ extern int __setjmp (jmp_buf);
+
+ last_value = -1;
+ lose = 0;
+
+ 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