From: Christos Zoulas <christos@zoulas.com>
Date: Thu, 16 Oct 2008 16:30:34 +0000 (+0000)
Subject: return NULL rather than core-dumping if no magic output is set.
X-Git-Tag: FILE5_05~307
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3fc1d8e76539133557265818c717d30bbd0db7b5;p=file

return NULL rather than core-dumping if no magic output is set.
---

diff --git a/src/funcs.c b/src/funcs.c
index a29ec20d..bbe152c1 100644
--- a/src/funcs.c
+++ b/src/funcs.c
@@ -41,7 +41,7 @@
 #endif
 
 #ifndef	lint
-FILE_RCSID("@(#)$File: funcs.c,v 1.45 2008/10/12 15:38:52 christos Exp $")
+FILE_RCSID("@(#)$File: funcs.c,v 1.46 2008/10/16 16:30:34 christos Exp $")
 #endif	/* lint */
 
 #ifndef SIZE_MAX
@@ -266,6 +266,9 @@ file_getbuffer(struct magic_set *ms)
 	if (ms->flags & MAGIC_RAW)
 		return ms->o.buf;
 
+	if (ms->o.buf == NULL)
+		return NULL;
+
 	/* * 4 is for octal representation, + 1 is for NUL */
 	len = strlen(ms->o.buf);
 	if (len > (SIZE_MAX - 1) / 4) {