Don't reload a configuration file if nothing has changed.

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@79747 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 12 insertions, 11 deletions

diff --git a/codecs/codec_lpc10.c b/codecs/codec_lpc10.c
index d4688cd9b..3ed528bef 100644
--- a/codecs/codec_lpc10.c
+++ b/codecs/codec_lpc10.c
@@ -261,27 +261,28 @@ static struct ast_translator lintolpc10 = {
 	.buf_size = LPC10_BYTES_IN_COMPRESSED_FRAME * (1 + BUFFER_SAMPLES / LPC10_SAMPLES_PER_FRAME),
 };
 
-static void parse_config(void)
+static void parse_config(int reload)
 {
-        struct ast_variable *var;
-        struct ast_config *cfg = ast_config_load("codecs.conf");
-	if (!cfg)
+	struct ast_variable *var;
+	struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
+	struct ast_config *cfg = ast_config_load("codecs.conf", config_flags);
+	if (cfg == NULL || cfg == CONFIG_STATUS_FILEUNCHANGED)
 		return;
 	for (var = ast_variable_browse(cfg, "plc"); var; var = var->next) {
-	       if (!strcasecmp(var->name, "genericplc")) {
+		if (!strcasecmp(var->name, "genericplc")) {
 			lpc10tolin.useplc = ast_true(var->value) ? 1 : 0;
 			ast_verb(3, "codec_lpc10: %susing generic PLC\n",
 					lpc10tolin.useplc ? "" : "not ");
 		}
-        }
+	}
 	ast_config_destroy(cfg);
 }
 
 static int reload(void)
 {
-        parse_config();
+	parse_config(1);
 
-        return 0;
+	return 0;
 }
 
 
@@ -299,10 +300,10 @@ static int load_module(void)
 {
 	int res;
 
-	parse_config();
-	res=ast_register_translator(&lpc10tolin);
+	parse_config(0);
+	res = ast_register_translator(&lpc10tolin);
 	if (!res) 
-		res=ast_register_translator(&lintolpc10);
+		res = ast_register_translator(&lintolpc10);
 	else
 		ast_unregister_translator(&lpc10tolin);