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don't go out of bounds in update_line(); found with malloc.conf; ok sturm@

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david 2004-06-07 05:58:45 +00:00
parent 8134d5f3d6
commit 513cf73b4f
1 changed files with 20 additions and 3 deletions
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23
net/icb/patches/patch-readline_readline_c
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@ -1,6 +1,6 @@
$OpenBSD: patch-readline_readline_c,v 1.1 2001/05/14 16:42:54 millert Exp $
--- readline/readline.c.orig Fri Feb 24 14:20:03 1995
+++ readline/readline.c Mon May 14 10:33:03 2001
$OpenBSD: patch-readline_readline_c,v 1.2 2004/06/07 05:58:45 david Exp $
--- readline/readline.c.orig 1995-02-24 15:20:03.000000000 -0600
+++ readline/readline.c 2004-06-06 22:06:07.000000000 -0500
@@ -610,22 +610,22 @@ rl_signal_handler (sig)
rl_set_signals ()
@ -63,3 +63,20 @@ $OpenBSD: patch-readline_readline_c,v 1.1 2001/05/14 16:42:54 millert Exp $
#endif
}
#endif /* HANDLE_SIGNALS */
@@ -1700,8 +1700,14 @@ update_line (old, new, current_line)
return;
wsatend = 1; /* flag for trailing whitespace */
- ols = oe - 1; /* find last same */
- nls = ne - 1;
+
+ /* find last same */
+ ols = oe;
+ if (oe != old)
+ ols--;
+ nls = ne;
+ if (ne != new)
+ nls--;
while ((*ols == *nls) && (ols > ofd) && (nls > nfd))
{
if (*ols != ' ')