update to RFC1123 hostname specs

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@498 f882894a-f735-0410-b71e-b25c423dba1c

plugins/check_http.c

@@ -189,7 +189,7 @@ struct timeval tv;
 #define URI_PATH "%[/a-zA-Z0-9._-=@,]"
 
 enum {
-	MAX_IPV4_HOSTLENGTH = 64,
+	MAX_IPV4_HOSTLENGTH = 255,
 	HTTP_PORT = 80,
 	HTTPS_PORT = 443
 };
@@ -737,7 +737,7 @@ check_http (void)
 				asprintf (&orig_url, "%s", server_url);
 				pos = header;
 				while (pos) {
-					server_address = realloc (server_address, MAX_IPV4_HOSTLENGTH);
+					server_address = realloc (server_address, MAX_IPV4_HOSTLENGTH + 1);
 					if (server_address == NULL)
 						terminate (STATE_UNKNOWN,
 										 "HTTP UNKNOWN: could not allocate server_address");