From: Christos Zoulas <christos@zoulas.com>
Date: Thu, 2 Mar 2006 22:08:22 +0000 (+0000)
Subject: Stop early if the string is not long enough.
X-Git-Tag: FILE5_05~766
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=444e815688725f1e660d19fd1a65f26e5916b9a1;p=file

Stop early if the string is not long enough.
---

diff --git a/src/ascmagic.c b/src/ascmagic.c
index 4fced4be..130b1722 100644
--- a/src/ascmagic.c
+++ b/src/ascmagic.c
@@ -49,7 +49,7 @@
 #include "names.h"
 
 #ifndef	lint
-FILE_RCSID("@(#)$Id: ascmagic.c,v 1.43 2005/06/25 15:52:14 christos Exp $")
+FILE_RCSID("@(#)$Id: ascmagic.c,v 1.44 2006/03/02 22:08:22 christos Exp $")
 #endif	/* lint */
 
 typedef unsigned long unichar;
@@ -154,6 +154,9 @@ file_ascmagic(struct magic_set *ms, const unsigned char *buf, size_t nbytes)
 		}
 	}
 
+	if (nbytes <= 1)
+		goto done;
+
 	/*
 	 * for troff, look for . + letter + letter or .\";
 	 * this must be done to disambiguate tar archives' ./file