From 68a938e771f136446fb0b9925f50bd482afc31d5 Mon Sep 17 00:00:00 2001
From: David Drysdale <drysdale@google.com>
Date: Tue, 24 Nov 2015 14:05:22 +0000
Subject: [PATCH] ares__read_line: clear buf pointer on realloc failure

---
 ares__read_line.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ares__read_line.c b/ares__read_line.c
index 6ebd42fe..36826a8e 100644
--- a/ares__read_line.c
+++ b/ares__read_line.c
@@ -63,6 +63,7 @@ int ares__read_line(FILE *fp, char **buf, size_t *bufsize)
       if (!newbuf)
         {
           free(*buf);
+          *buf = NULL;
           return ARES_ENOMEM;
         }
       *buf = newbuf;