avoid unneeded calls to strlen in iax2 completion functions

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7659 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -1975,13 +1975,14 @@ static char *complete_iax2_show_peer(char *line, char *word, int pos, int state)
 	int which = 0;
 	struct iax2_peer *p;
 	char *res = NULL;
+	int wordlen = strlen(word);
 
 	/* 0 - iax2; 1 - show; 2 - peer; 3 - <peername> */
-	if(pos == 3) {
+	if (pos == 3) {
 		ast_mutex_lock(&peerl.lock);
-		for(p = peerl.peers ; p ; p = p->next) {
-			if(!strncasecmp(p->name, word, strlen(word))) {
-				if(++which > state) {
+		for (p = peerl.peers ; p ; p = p->next) {
+			if (!strncasecmp(p->name, word, wordlen)) {
+				if (++which > state) {
 					res = strdup(p->name);
 					break;
 				}

channels/iax2-provision.c

@@ -156,21 +156,20 @@ char *iax_prov_complete_template(char *line, char *word, int pos, int state)
 {
 	struct iax_template *c;
 	int which=0;
-	char *ret;
+	char *ret = NULL;
+	int wordlen = strlen(word);
+
 	ast_mutex_lock(&provlock);
-	c = templates;
-	while(c) {
-		if (!strncasecmp(word, c->name, strlen(word))) {
-			if (++which > state)
+	for (c = templates; c; c = c->next) {
+		if (!strncasecmp(word, c->name, wordlen)) {
+			if (++which > state) {
+				ret = strdup(c->name);
 				break;
 			}
-		c = c->next;
 		}
-	if (c) {
-		ret = strdup(c->name);
-	} else
-		ret = NULL;
+	}
 	ast_mutex_unlock(&provlock);
+	
 	return ret;
 }