MT#55283 formalise str_slice_q

These helper functions were largely unused or inconsistently used.
Create a new type and streamline usage.

Change-Id: I5cd9756a26994d027dd4ff6a2d01a8c6c3cffe30

daemon/sdp.c

@@ -127,7 +127,7 @@ struct sdp_media {
 	const char *c_line_pos;
 	int as, rr, rs;
 	struct sdp_attributes attributes;
-	GQueue format_list; /* list of slice-alloc'd str objects */
+	str_slice_q format_list; /* list of slice-alloc'd str objects */
 	enum media_type media_type_id;
 	int media_sdp_id;
 
@@ -554,9 +554,8 @@ static int parse_media(str *value_str, struct sdp_media *output) {
 	str formats = output->formats;
 	str format;
 	while (str_token_sep(&format, &formats, ' ')) {
-		sp = g_slice_alloc(sizeof(*sp));
-		*sp = format;
-		g_queue_push_tail(&output->format_list, sp);
+		sp = str_slice_dup(&format);
+		t_queue_push_tail(&output->format_list, sp);
 	}
 
 	return 0;
@@ -1441,7 +1440,7 @@ static void free_attributes(struct sdp_attributes *a) {
 }
 static void media_free(struct sdp_media *media) {
 	free_attributes(&media->attributes);
-	g_queue_clear_full(&media->format_list, str_slice_free);
+	str_slice_q_clear_full(&media->format_list);
 	g_slice_free1(sizeof(*media), media);
 }
 static void session_free(struct sdp_session *session) {
@@ -1519,7 +1518,7 @@ static int __rtp_payload_types(struct stream_params *sp, struct sdp_media *media
 	}
 
 	/* then go through the format list and associate */
-	for (GList *ql = media->format_list.head; ql; ql = ql->next) {
+	for (__auto_type ql = media->format_list.head; ql; ql = ql->next) {
 		char *ep;
 		str *s;
 		unsigned int i;

lib/str.c

@@ -49,10 +49,6 @@ str *__str_sprintf(const char *fmt, ...) {
 	return ret;
 }
 
-void str_slice_free(void *p) {
-	g_slice_free1(sizeof(str), p);
-}
-
 
 /**
  * Generates a random hexadecimal string representing n random bytes.

lib/str.h

@@ -190,7 +190,7 @@ TYPED_GHASHTABLE(str_case_value_ht, str, str, str_case_hash, str_case_equal, fre
 /* returns a new str object, duplicates the pointers but doesn't duplicate the contents */
 INLINE str *str_slice_dup(const str *);
 /* destroy function, frees a slice-alloc'd str */
-void str_slice_free(void *);
+INLINE void str_slice_free(str *);
 
 /* saves "in" into "out" pseudo-URI encoded. "out" point to a buffer with sufficient length. returns length */
 size_t str_uri_encode_len(char *out, const char *in, size_t in_len);
@@ -201,6 +201,12 @@ str *str_uri_decode_len(const char *in, size_t in_len);
 
 G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(str, str_free_dup);
 
+typedef str_q str_slice_q;
+INLINE void str_slice_q_clear_full(str_slice_q *q) {
+	t_queue_clear_full(q, str_slice_free);
+}
+G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(str_slice_q, str_slice_q_clear_full)
+
 
 
 
@@ -362,10 +368,13 @@ INLINE void str_free(str *s) {
 }
 INLINE str *str_slice_dup(const str *s) {
 	str *r;
-	r = g_slice_alloc(sizeof(*r));
+	r = g_new(str, 1);
 	*r = *s;
 	return r;
 }
+INLINE void str_slice_free(str *p) {
+	g_free(p);
+}
 
 #define STR_MALLOC_PADDING "xxxxxxxxxxxxxxxx"
 INLINE str *__str_vsprintf(const char *fmt, va_list ap) {