use g_free() instead of free()

On some platforms, g_free() must be used for memory allocated by
GLib.  This patch intends to correct a lot of occurrences, but is
probably not complete.

src/audio.c

@@ -183,7 +183,7 @@ void finishAudioDriver(void)
 		audio_output_finish(&audioOutputArray[i]);
 	}
 
-	free(audioOutputArray);
+	g_free(audioOutputArray);
 	audioOutputArray = NULL;
 	audioOutputArraySize = 0;
 

src/client.c

@@ -240,7 +240,7 @@ static void client_close(struct client *client)
 
 	g_log(G_LOG_DOMAIN, LOG_LEVEL_SECURE,
 	      "client %i: closed", client->num);
-	free(client);
+	g_free(client);
 }
 
 static const char *
@@ -637,7 +637,7 @@ static void client_write_deferred(struct client *client)
 
 			assert(client->deferred_bytes >= decr);
 			client->deferred_bytes -= decr;
-			free(buf);
+			g_free(buf);
 			g_queue_pop_head(client->deferred_send);
 		}
 		client->lastTime = time(NULL);
@@ -778,7 +778,7 @@ void client_vprintf(struct client *client, const char *fmt, va_list args)
 	buffer = g_malloc(length + 1);
 	vsnprintf(buffer, length + 1, fmt, args);
 	client_write(client, buffer, length);
-	free(buffer);
+	g_free(buffer);
 }
 
 G_GNUC_PRINTF(2, 3) void client_printf(struct client *client, const char *fmt, ...)

src/database.c

@@ -125,7 +125,7 @@ db_get_song(const char *file)
 	assert(song->parent == directory);
 
 out:
-	free(duplicated);
+	g_free(duplicated);
 	return song;
 }
 

src/dbUtils.c

@@ -226,7 +226,7 @@ newListCommandItem(int tagType, const struct locate_item_list *criteria)
 
 static void freeListCommandItem(ListCommandItem * item)
 {
-	free(item);
+	g_free(item);
 }
 
 static void

src/decoder/mikmod_plugin.c

@@ -152,7 +152,7 @@ static void mod_close(mod_Data * data)
 {
 	Player_Stop();
 	Player_Free(data->moduleHandle);
-	free(data);
+	g_free(data);
 }
 
 static void

src/decoder/mp4_plugin.c

@@ -179,7 +179,7 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
 	file_time = mp4ff_get_track_duration_use_offsets(mp4fh, track);
 	scale = mp4ff_time_scale(mp4fh, track);
 
-	g_free(mp4_buffer);
+	free(mp4_buffer);
 
 	if (scale < 0) {
 		g_warning("Error getting audio format of mp4 AAC track.\n");
@@ -314,7 +314,7 @@ mp4_decode(struct decoder *mpd_decoder, struct input_stream *input_stream)
 				   file_time, bit_rate, NULL);
 	}
 
-	free(seek_table);
+	g_free(seek_table);
 	faacDecClose(decoder);
 	mp4ff_close(mp4fh);
 }

src/directory.c

@@ -54,7 +54,7 @@ directory_free(struct directory *directory)
 
 	dirvec_destroy(&directory->children);
 	songvec_destroy(&directory->songs);
-	free(directory);
+	g_free(directory);
 	/* this resets last dir returned */
 	/*directory_get_path(NULL); */
 }
@@ -108,7 +108,7 @@ directory_get_directory(struct directory *directory, const char *name)
 		locate = strchr(locate + 1, '/');
 	}
 
-	free(duplicated);
+	g_free(duplicated);
 
 	return found;
 }

src/locate.c

@@ -68,7 +68,7 @@ locate_item_new(const char *type_string, const char *needle)
 	struct locate_item *ret = g_new(struct locate_item, 1);
 
 	if (!locate_item_init(ret, type_string, needle)) {
-		free(ret);
+		g_free(ret);
 		ret = NULL;
 	}
 
@@ -134,8 +134,8 @@ locate_item_list_casefold(const struct locate_item_list *list)
 void
 locate_item_free(struct locate_item *item)
 {
-	free(item->needle);
-	free(item);
+	g_free(item->needle);
+	g_free(item);
 }
 
 static bool

src/output/alsa_plugin.c

@@ -97,7 +97,7 @@ alsa_data_free(struct alsa_data *ad)
 {
 	g_free(ad->device);
 	mixer_free(ad->mixer);
-	free(ad);
+	g_free(ad);
 }
 
 static void

src/output/ao_plugin.c

@@ -131,7 +131,7 @@ audioOutputAo_initDriver(struct audio_output *ao,
 static void freeAoData(AoData * ad)
 {
 	ao_free_options(ad->options);
-	free(ad);
+	g_free(ad);
 }
 
 static void audioOutputAo_finishDriver(void *data)

src/output/jack_plugin.c

@@ -92,7 +92,7 @@ mpd_jack_free(struct jack_data *jd)
 	for (unsigned i = 0; i < G_N_ELEMENTS(jd->output_ports); ++i)
 		g_free(jd->output_ports[i]);
 
-	free(jd);
+	g_free(jd);
 }
 
 static void
@@ -275,7 +275,7 @@ mpd_jack_connect(struct jack_data *jd, struct audio_format *audio_format)
 				   jd->output_ports[0])) != 0 ) {
 			g_warning("%s is not a valid Jack Client / Port",
 				  jd->output_ports[0]);
-			free(port_name);
+			g_free(port_name);
 			return -1;
 		}
 		sprintf(port_name, "%s:right", name);
@@ -283,10 +283,10 @@ mpd_jack_connect(struct jack_data *jd, struct audio_format *audio_format)
 				   jd->output_ports[1])) != 0 ) {
 			g_warning("%s is not a valid Jack Client / Port",
 				  jd->output_ports[1]);
-			free(port_name);
+			g_free(port_name);
 			return -1;
 		}
-		free(port_name);
+		g_free(port_name);
 	}
 
 	return 1;

src/output/mvp_plugin.c

@@ -124,7 +124,7 @@ static void *mvp_initDriver(G_GNUC_UNUSED struct audio_output *audio_output,
 static void mvp_finishDriver(void *data)
 {
 	MvpData *md = data;
-	free(md);
+	g_free(md);
 }
 
 static int mvp_setPcmParams(MvpData * md, unsigned long rate, int channels,

src/output/oss_plugin.c

@@ -292,7 +292,7 @@ static void freeOssData(OssData * od)
 
 	mixer_free(od->mixer);
 
-	free(od);
+	g_free(od);
 }
 
 #define OSS_STAT_NO_ERROR 	0

src/output/osx_plugin.c

@@ -90,11 +90,10 @@ osx_initDriver(G_GNUC_UNUSED struct audio_output *audioOutput,
 
 static void freeOsxData(OsxData * od)
 {
-	if (od->buffer)
-		free(od->buffer);
+	g_free(od->buffer);
 	g_mutex_free(od->mutex);
 	g_cond_free(od->condition);
-	free(od);
+	g_free(od);
 }
 
 static void osx_finishDriver(void *data)

src/output/shout_plugin.c

@@ -81,7 +81,7 @@ static void free_shout_data(struct shout_data *sd)
 	if (sd->timer)
 		timer_free(sd->timer);
 
-	free(sd);
+	g_free(sd);
 }
 
 #define check_block_param(name) {		  \

src/strset.c

@@ -64,12 +64,12 @@ void strset_free(struct strset *set)
 
 		while (slot != NULL) {
 			next = slot->next;
-			free(slot);
+			g_free(slot);
 			slot = next;
 		}
 	}
 
-	free(set);
+	g_free(set);
 }
 
 void strset_add(struct strset *set, const char *value)

src/tag.c

@@ -115,7 +115,7 @@ void tag_lib_init(void)
 		s++;
 	}
 
-	free(temp);
+	g_free(temp);
 }
 
 struct tag *tag_ape_load(const char *file)
@@ -234,8 +234,7 @@ struct tag *tag_ape_load(const char *file)
 fail:
 	if (fp)
 		fclose(fp);
-	if (buffer)
-		free(buffer);
+	g_free(buffer);
 	return ret;
 }
 
@@ -265,7 +264,7 @@ static void deleteItem(struct tag *tag, int idx)
 	if (tag->numOfItems > 0) {
 		tag->items = g_realloc(tag->items, items_size(tag));
 	} else {
-		free(tag->items);
+		g_free(tag->items);
 		tag->items = NULL;
 	}
 }
@@ -297,11 +296,10 @@ void tag_free(struct tag *tag)
 		assert(bulk.busy);
 		bulk.busy = 0;
 #endif
-	} else if (tag->items) {
-		free(tag->items);
-	}
+	} else
+		g_free(tag->items);
 
-	free(tag);
+	g_free(tag);
 }
 
 struct tag *tag_dup(const struct tag *tag)

src/update.c

@@ -618,7 +618,7 @@ addParentPathToDB(const char *utf8path)
 		*slash++ = '/';
 	}
 
-	free(duplicated);
+	g_free(duplicated);
 	return directory;
 }
 
@@ -647,7 +647,7 @@ static void * update_task(void *_path)
 {
 	if (_path != NULL && !isRootDirectory(_path)) {
 		updatePath((char *)_path);
-		free(_path);
+		g_free(_path);
 	} else {
 		struct directory *directory = db_get_root();
 		struct stat st;
@@ -691,8 +691,7 @@ directory_update_init(char *path)
 		unsigned next_task_id;
 
 		if (update_paths_nr == G_N_ELEMENTS(update_paths)) {
-			if (path)
-				free(path);
+			g_free(path);
 			return 0;
 		}