From 531d514e9fbf590a4de3dc6bd8512f3efc7fb10f Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Mon, 24 Jul 2000 02:34:20 +0000
Subject: [PATCH] (add_hostent): don't use just-freed memory

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8794 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/roken/getaddrinfo.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/roken/getaddrinfo.c b/lib/roken/getaddrinfo.c
index 3fae47db5..0a6e5007a 100644
--- a/lib/roken/getaddrinfo.c
+++ b/lib/roken/getaddrinfo.c
@@ -246,10 +246,10 @@ add_hostent (int port, int protocol, int socktype,
     char **h;
 
     if (*flags & AI_CANONNAME) {
-	canonname = find_fqdn (he);
+	struct hostent *he2 = NULL;
 
+	canonname = find_fqdn (he);
 	if (strchr (canonname, '.') == NULL) {
-	    struct hostent *he2;
 	    int error;
 
 	    he2 = getipnodebyaddr (he->h_addr_list[0], he->h_length,
@@ -259,11 +259,12 @@ add_hostent (int port, int protocol, int socktype,
 
 		if (strchr (tmp, '.') != NULL)
 		    canonname = tmp;
-		freehostent (he2);
 	    }
 	}
 
 	canonname = strdup (canonname);
+	if (he2 != NULL)
+	    freehostent (he2);
 	if (canonname == NULL)
 	    return EAI_MEMORY;
     }