Just some minor coding style cleanup...

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@103318 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/indications.c

@@ -533,7 +533,7 @@ int ast_register_indication(struct ind_tone_zone *zone, const char *indication,
 
 	AST_RWLIST_WRLOCK(&tone_zones);
 	for (ps=NULL,ts=zone->tones; ts; ps=ts,ts=ts->next) {
-		if (strcasecmp(indication,ts->name)==0) {
+		if (!strcasecmp(indication,ts->name)) {
 			/* indication already there, replace */
 			ast_free((void*)ts->name);
 			ast_free((void*)ts->data);
@@ -573,7 +573,7 @@ int ast_unregister_indication(struct ind_tone_zone *zone, const char *indication
 	AST_RWLIST_WRLOCK(&tone_zones);
 	ts = zone->tones;
 	while (ts) {
-		if (strcasecmp(indication,ts->name)==0) {
+		if (!strcasecmp(indication,ts->name)) {
 			/* indication found */
 			tmp = ts->next;
 			if (ps)

main/pbx.c

@@ -1127,7 +1127,7 @@ static struct match_char *add_pattern_node(struct ast_context *con, struct match
 
 static struct match_char *add_exten_to_pattern_tree(struct ast_context *con, struct ast_exten *e1, int findonly)
 {
-	struct match_char *m1=0,*m2=0;
+	struct match_char *m1 = NULL, *m2 = NULL;
 	int specif;
 	int already;
 	int pattern = 0;
@@ -1453,7 +1453,7 @@ static int _extension_match_core(const char *pattern, const char *data, enum ext
 {
 	mode &= E_MATCH_MASK;	/* only consider the relevant bits */
 
-	if ( (mode == E_MATCH) && (pattern[0] == '_') && (strcasecmp(pattern,data)==0) ) /* note: if this test is left out, then _x. will not match _x. !!! */
+	if ( (mode == E_MATCH) && (pattern[0] == '_') && (!strcasecmp(pattern,data)) ) /* note: if this test is left out, then _x. will not match _x. !!! */
 		return 1;
 
 	if (pattern[0] != '_') { /* not a pattern, try exact or partial match */
@@ -1628,12 +1628,12 @@ struct ast_exten *pbx_find_extension(struct ast_channel *chan,
 	const char *label, const char *callerid, enum ext_match_t action)
 {
 	int x, res;
-	struct ast_context *tmp=0;
-	struct ast_exten *e=0, *eroot=0;
-	struct ast_include *i = 0;
-	struct ast_sw *sw = 0;
-	struct ast_exten pattern = {0};
-	struct scoreboard score = {0};
+	struct ast_context *tmp = NULL;
+	struct ast_exten *e = NULL, *eroot = NULL;
+	struct ast_include *i = NULL;
+	struct ast_sw *sw = NULL;
+	struct ast_exten pattern = {NULL, };
+	struct scoreboard score = {0, };
 
 	pattern.label = label;
 	pattern.priority = priority;
@@ -2034,7 +2034,7 @@ void pbx_retrieve_variable(struct ast_channel *c, const char *var, char **ret, c
 		if (places[i] == &globals)
 			ast_rwlock_rdlock(&globalslock);
 		AST_LIST_TRAVERSE(places[i], variables, entries) {
-			if (strcasecmp(ast_var_name(variables), var)==0) {
+			if (!strcasecmp(ast_var_name(variables), var)) {
 				s = ast_var_value(variables);
 				break;
 			}

main/rtp.c

@@ -1542,7 +1542,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
 
 	rtp->lastrxseqno = seqno;
 	
-	if (rtp->themssrc==0)
+	if (!rtp->themssrc)
 		rtp->themssrc = ntohl(rtpheader[2]); /* Record their SSRC to put in future RR */
 	
 	if (rtp_debug_test_addr(&sin))