From fa3dec169b5dd7da5d0a61d49fa296c020137f9d Mon Sep 17 00:00:00 2001
From: Doug Bailey <dbailey@digium.com>
Date: Wed, 18 Feb 2009 16:09:12 +0000
Subject: [PATCH] Need to take into account the \0 terminator of the old string
 to determine the amount available.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@176948 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/utils.c b/main/utils.c
index 3a50289793..a19ed900fd 100644
--- a/main/utils.c
+++ b/main/utils.c
@@ -1600,7 +1600,7 @@ void __ast_string_field_ptr_build_va(struct ast_string_field_mgr *mgr,
 	*/
 	if ((*ptr)[0] != '0') {
 		target = (char *) *ptr;
-		available = strlen(target);
+		available = strlen(target) + 1;
 	} else {
 		target = (*pool_head)->base + mgr->used;
 		available = space;