Move from the opaque GPtrArray to GHashTable for sticker lists.

src/command.c

@@ -1448,6 +1448,13 @@ handle_idle(struct client *client,
 }
 
 #ifdef ENABLE_SQLITE
+static void print_sticker(GString *name, GString *value,
+			  struct client *client)
+{
+	client_printf(client, "sticker: %s=%s\n",
+		      (char *)name, (char *)value);
+}
+
 static enum command_return
 handle_sticker_song(struct client *client, int argc, char *argv[])
 {
@@ -1474,31 +1481,17 @@ handle_sticker_song(struct client *client, int argc, char *argv[])
 
 		return COMMAND_RETURN_OK;
 	} else if (argc == 4 && strcmp(argv[1], "list") == 0) {
-		GList *list;
-		GPtrArray *values;
-		unsigned int x;
+		GHashTable *hash;
 
-		list = sticker_song_list_values(song);
-		if (NULL == list) {
+		hash = sticker_song_list_values(song);
+		if (NULL == hash) {
 			command_error(client, ACK_ERROR_NO_EXIST,
 				      "no stickers found");
 			return COMMAND_RETURN_ERROR;
 		}
-
-		for (x = 0; x < g_list_length(list); x++) {
-			values = g_list_nth_data(list, x);
-			if (NULL == values) {
-				g_warning("NULL sticker found");
-				continue;
-			}
-			client_printf(client, "sticker: %s=%s\n",
-				      (char *)g_ptr_array_index(values, 0),
-				      (char *)g_ptr_array_index(values, 1));
-			g_free(g_ptr_array_index(values, 0));
-			g_free(g_ptr_array_index(values, 1));
-			g_ptr_array_free(values, TRUE);
-		}
-		g_list_free(list);
+		g_hash_table_foreach(hash, (GHFunc)print_sticker,
+				     client);
+		g_hash_table_destroy(hash);
 
 		return COMMAND_RETURN_OK;
 	} else if (argc == 6 && strcmp(argv[1], "set") == 0) {

src/song_sticker.c

@@ -39,20 +39,20 @@ sticker_song_get_value(const struct song *song, const char *name)
 	return value;
 }
 
-GList *
+GHashTable *
 sticker_song_list_values(const struct song *song)
 {
 	char *uri;
-	GList *list;
+	GHashTable *hash;
 
 	assert(song != NULL);
 	assert(song_in_database(song));
 
 	uri = song_get_uri(song);
-	list = sticker_list_values("song", uri);
+	hash = sticker_list_values("song", uri);
 	g_free(uri);
 
-	return list;
+	return hash;
 }
 
 bool

src/song_sticker.h

@@ -40,12 +40,10 @@ sticker_song_set_value(const struct song *song,
 		       const char *name, const char *value);
 
 /**
- * Returns a list of key value pairs from a song's sticker record.
- * The caller must free each GPtrArray element of the returned list
- * with g_ptr_array_free(), as well as the returned GList with
- * g_list_free().
+ * Returns a hash table of key value pairs from a song's sticker record.
+ * The caller must free the GHashTable with g_hash_table_destroy().
  */
-GList *
+GHashTable *
 sticker_song_list_values(const struct song *song);
 
 /**

src/sticker.c

@@ -189,15 +189,14 @@ sticker_load_value(const char *type, const char *uri, const char *name)
 	return value;
 }
 
-GList *
+GHashTable *
 sticker_list_values(const char *type, const char *uri)
 {
 	int ret;
 	char *name, *value;
-	GPtrArray *arr;
-	GList *list;
+	GHashTable *hash;
 
-	list = NULL;
+	hash = NULL;
 	assert(type != NULL);
 	assert(uri != NULL);
 
@@ -223,12 +222,14 @@ sticker_list_values(const char *type, const char *uri)
 		ret = sqlite3_step(sticker_stmt_list);
 		switch (ret) {
 		case SQLITE_ROW:
+			if (!hash)
+				hash = g_hash_table_new_full(g_str_hash,
+							     g_str_equal,
+							     (GDestroyNotify)g_free,
+							     (GDestroyNotify)g_free);
 			name = g_strdup((const char*)sqlite3_column_text(sticker_stmt_list, 0));
 			value = g_strdup((const char*)sqlite3_column_text(sticker_stmt_list, 1));
-			arr = g_ptr_array_new();
-			g_ptr_array_add(arr, name);
-			g_ptr_array_add(arr, value);
-			list = g_list_prepend(list, arr);
+			g_hash_table_insert(hash, name, value);
 			break;
 		case SQLITE_DONE:
 			break;
@@ -242,12 +243,10 @@ sticker_list_values(const char *type, const char *uri)
 		}
 	} while (ret != SQLITE_DONE);
 
-	list = g_list_reverse(list);
-
 	sqlite3_reset(sticker_stmt_list);
 	sqlite3_clear_bindings(sticker_stmt_list);
 
-	return list;
+	return hash;
 }
 
 static bool

src/sticker.h

@@ -64,12 +64,11 @@ bool
 sticker_enabled(void);
 
 /**
- * Populates a GList with GPtrArrays of sticker names and values from
- * an object's sticker record.  The caller must free each GPtrArray
- * element of the returned list with g_ptr_array_free(), as well as
- * the returned GList with g_list_free().
+ * Populates a GHashTable with GStrings of sticker keys and values
+ * from an object's sticker record.  The caller must free the returned
+ * GHashTable with g_hash_list_destroy().
  */
-GList *
+GHashTable *
 sticker_list_values(const char *type, const char *uri);
 
 /**