From 6f9f79cabf674187218e14425ce21ac8ad57e9cf Mon Sep 17 00:00:00 2001
From: david <david@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Sat, 7 Jun 2008 01:16:24 +0000
Subject: [PATCH] Allow a fingerprint to have an empty description in
 parse_single_fingerprint. This is used by OSassist which often has to read
 such prints. Previously it caused a parse error.

---
 osscan.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osscan.cc b/osscan.cc
index 89c598cdc..5cef42413 100644
--- a/osscan.cc
+++ b/osscan.cc
@@ -941,7 +941,7 @@ FingerPrint *parse_single_fingerprint(char *fprint_orig) {
 
       q = strchr(p, '\n');
       if (!q) q = p + strlen(p);
-      while(isspace(*(--q)))
+      while(q > p && isspace(*(--q)))
 	;
 
       if (q < p) fatal("Parse error on line %d of fingerprint: %s", lineno, nextline);