From 0e85fb9ad0f62c4b7b21695f16df30f81d235d52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Grubbstr=C3=B6m=20=28Grubba=29?=
<grubba@grubba.org>
Date: Mon, 28 Aug 2000 19:53:23 +0200
Subject: [PATCH] The memset test now succeeds in triggering the memset() bug.
The bug seems to be in gcc 2.96.
Rev: src/configure.in:1.409
---
src/configure.in | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/src/configure.in b/src/configure.in
index 44c54f8e2f..f942459737 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.408 2000/08/28 13:56:44 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.409 2000/08/28 17:53:23 grubba Exp $")
AC_INIT(interpret.c)
AC_CONFIG_HEADER(machine.h)
@@ -2519,8 +2519,25 @@ MY_CHECK_FUNCTION(memset,
[
#include <string.h>
char foo[23];
+
+struct pike_string {
+ int refs;
+ int size_shift;
+ ptrdiff_t len;
+ size_t hval;
+ struct pike_string *next;
+ char str[1];
+};
+
+struct pike_string *begin_shared_string(int len)
+{
+ return malloc(sizeof(pike_string) + len);
+}
+
], [
int i;
+ struct pike_string *str;
+
memset(foo, 0, 11);
memset(foo, 'a', 10);
memset(foo, 'b', 5);
@@ -2557,6 +2574,20 @@ char foo[23];
for (i=6; i--;) {
if (foo[i+7] != 1) exit(1);
}
+
+ len = 6;
+ str = begin_shared_string(len);
+
+ if (!str) exit(1);
+
+ for (i=len; i--;) {
+ str->str[i] = ~0;
+ }
+ memset(str, 0, len);
+ for (i = len; i--;) {
+ if (str->str[i]) exit(1);
+ }
+ free(str);
exit(0);
])
--
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