From: John Tsiombikas <nuclear@mutantstargoat.com>
Date: Sun, 11 Dec 2016 21:28:19 +0000 (+0200)
Subject: don't crash when calling DataMap::lookup with an empty string
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=commitdiff_plain;h=c38b9bd9f3b1f4efdb0de5a2aabc3bddf76b6aec

don't crash when calling DataMap::lookup with an empty string
---

diff --git a/src/datamap.cc b/src/datamap.cc
index e466082..1f3befe 100644
--- a/src/datamap.cc
+++ b/src/datamap.cc
@@ -93,7 +93,12 @@ int DataMap::lookup(const char *in, char *buf, int bsz) const
 
 	char *inbuf = (char*)alloca(strlen(in) + 1);
 	strcpy(inbuf, in);
-	in = clean_line(inbuf);
+	if(!(in = clean_line(inbuf))) {
+		if(buf && bsz > 0) {
+			buf[0] = 0;
+		}
+		return 0;
+	}
 
 	// first check the cache
 	std::map<std::string, std::string>::iterator it = cache.find(in);