From: Wilfried Göesgens <willi@citadel.org>
Date: Sun, 9 Mar 2008 22:03:20 +0000 (+0000)
Subject: * don't search for null-lengthened strings.
X-Git-Tag: v7.86~2437
X-Git-Url: https://code.citadel.org/?p=citadel.git;a=commitdiff_plain;h=5af5117d9aa5765da193a4966ac6108708f6edfe

* don't search for null-lengthened strings.
---

diff --git a/libcitadel/lib/hash.c b/libcitadel/lib/hash.c
index 50c3e8d7a..4443552b9 100644
--- a/libcitadel/lib/hash.c
+++ b/libcitadel/lib/hash.c
@@ -378,6 +378,10 @@ int GetHash(HashList *Hash, const char *HKey, long HKLen, void **Data)
 	long HashBinKey;
 	long HashAt;
 
+	if (HKLen <= 0) {
+		*Data = NULL;
+		return  0;
+	}
 	/** first, find out were we could be... */
 	HashBinKey = CalcHashKey((char*)HKey, HKLen);
 	HashAt = FindInHash(Hash, HashBinKey);