From 043d15da31200d35c24bc1939ae6b561f5016c84 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Mon, 28 Jul 2008 23:49:42 +0000
Subject: tr: fix "tr [=" case. Closes bug 4374.
function old new delta
expand 1701 1738 +37
tr_main 472 474 +2
---
coreutils/tr.c | 2 ++
1 file changed, 2 insertions(+)
(limited to 'coreutils')
diff --git a/coreutils/tr.c b/coreutils/tr.c
index 28798fe4f..860b8122b 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -135,6 +135,8 @@ static unsigned int expand(const char *arg, char *buffer)
/* "[xyz...", i=x, arg points to y */
if (ENABLE_FEATURE_TR_EQUIV && i == '=') { /* [=CHAR=] */
*buffer++ = *arg; /* copy CHAR */
+ if (!*arg || arg[1] != '=' || arg[2] != ']')
+ bb_show_usage();
arg += 3; /* skip CHAR=] */
continue;
}
--
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