From: Art Cancro <ajc@citadel.org>
Date: Wed, 19 Mar 2008 17:46:00 +0000 (+0000)
Subject: bmstrcasestr() now returns NULL if either of its supplied
X-Git-Tag: v7.86~2402
X-Git-Url: https://code.citadel.org/?p=citadel.git;a=commitdiff_plain;h=c0cbc6e7d61f8e5d6cfa7f1c69ee1b5eea64823c

bmstrcasestr() now returns NULL if either of its supplied
arguments is NULL ... instead of passing NULL to strlen() and making
the program crash.
---

diff --git a/libcitadel/lib/tools.c b/libcitadel/lib/tools.c
index 32c96e035..dd630420f 100644
--- a/libcitadel/lib/tools.c
+++ b/libcitadel/lib/tools.c
@@ -772,6 +772,9 @@ char *bmstrcasestr(char *text, char *pattern) {
 	size_t textlen;
 	size_t patlen;
 
+	if (!text) return(NULL);
+	if (!pattern) return(NULL);
+
 	textlen = strlen (text);
 	patlen = strlen (pattern);