From a3b5e188aa70ad57b119b2b24f94a4d639174bab Mon Sep 17 00:00:00 2001
From: Peter Bloomfield <PeterBloomfield@bellsouth.net>
Date: Sat, 26 Sep 2020 11:11:44 -0400
Subject: [PATCH] gthreadedresolver: Fix logic in parse_res_text()

and avoid a sign-compare warning.

Fixes #2209
---
 gio/gthreadedresolver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gio/gthreadedresolver.c b/gio/gthreadedresolver.c
index 48435b36f..d170c73a9 100644
--- a/gio/gthreadedresolver.c
+++ b/gio/gthreadedresolver.c
@@ -620,7 +620,7 @@ parse_res_txt (guchar  *answer,
   while (at < end)
     {
       len = *(at++);
-      if (len > at - end)
+      if (len > (gsize) (end - at))
         break;
       g_ptr_array_add (array, g_strndup ((gchar *)at, len));
       at += len;