Merge pull request #464 from RichardHitt/bufoflo

Truncate text if too long. Closes Issue #463
hexchat · Mar 23, 2013 · 8996baa · 8996baa
2 parents c99e7f8 + f7923f2
commit 8996baa
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/common/text.c b/src/common/text.c
@@ -1780,6 +1780,8 @@ format_event (session *sess, int index, char **args, char *o, int sizeofo, unsig
 				printf ("arg[%d] is NULL in print event\n", a + 1);
 			} else
 			{
+				if (strlen (ar) > sizeofo - oi - 4)
+					ar[sizeofo - oi - 4] = 0;	/* Avoid buffer overflow */
 				if (stripcolor_args & ARG_FLAG(a + 1)) len = strip_color2 (ar, -1, &o[oi], STRIP_ALL);
 				else len = strip_hidden_attribute (ar, &o[oi]);
 				oi += len;