tcsh/SOURCES/tcsh-6.20.00-004-do-not-use-old-pointer-tricks.patch
2021-09-10 05:08:03 +00:00

29 lines
831 B
Diff

From 2309245d647853442f6a5450130f56499698176e Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Wed, 7 Dec 2016 02:52:27 +0000
Subject: [PATCH] Don't play pointer tricks that are undefined in modern c
(Brooks Davis)
---
tw.init.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tw.init.c b/tw.init.c
index 68adbb9..d9525c5 100644
--- a/tw.init.c
+++ b/tw.init.c
@@ -125,9 +125,8 @@ tw_str_add(stringlist_t *sl, size_t len)
sl->buff = xrealloc(sl->buff, sl->tbuff * sizeof(Char));
/* Re-thread the new pointer list, if changed */
if (ptr != NULL && ptr != sl->buff) {
- intptr_t offs = sl->buff - ptr;
for (i = 0; i < sl->nlist; i++)
- sl->list[i] += offs;
+ sl->list[i] = sl->buff + (sl->list[i] - ptr);
}
disabled_cleanup(&pintr_disabled);
}
--
2.9.3