Cleanup list code

11 files changed, 17 insertions, 37 deletions

diff --git a/common/list.c b/common/list.c
index a0b42512..2a803702 100644
--- a/common/list.c
+++ b/common/list.c
@@ -48,8 +48,7 @@ void list_del(list_t *list, int index) {
 }
 
 void list_cat(list_t *list, list_t *source) {
-	int i;
-	for (i = 0; i < source->length; ++i) {
+	for (int i = 0; i < source->length; ++i) {
 		list_add(list, source->items[i]);
 	}
 }
diff --git a/sway/commands.c b/sway/commands.c
index d5cab655..f6d1cc3e 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -43,8 +43,7 @@ struct cmd_results *checkarg(int argc, const char *name, enum expected_args type
 }
 
 void apply_seat_config(struct seat_config *seat_config) {
-	int i;
-	i = list_seq_find(config->seat_configs, seat_name_cmp, seat_config->name);
+	int i = list_seq_find(config->seat_configs, seat_name_cmp, seat_config->name);
 	if (i >= 0) {
 		// merge existing config
 		struct seat_config *sc = config->seat_configs->items[i];
diff --git a/sway/commands/bar/modifier.c b/sway/commands/bar/modifier.c
index 09025fff..1b3e7492 100644
--- a/sway/commands/bar/modifier.c
+++ b/sway/commands/bar/modifier.c
@@ -20,7 +20,6 @@ struct cmd_results *bar_cmd_modifier(int argc, char **argv) {
 		uint32_t tmp_mod;
 		if ((tmp_mod = get_modifier_mask_by_name(split->items[i])) > 0) {
 			mod |= tmp_mod;
-			continue;
 		} else {
 			error = cmd_results_new(CMD_INVALID, "modifier",
 				"Unknown modifier '%s'", split->items[i]);
diff --git a/sway/commands/bind.c b/sway/commands/bind.c
index 52a245fa..886a262c 100644
--- a/sway/commands/bind.c
+++ b/sway/commands/bind.c
@@ -78,7 +78,6 @@ static int key_qsort_cmp(const void *keyp_a, const void *keyp_b) {
 	return (key_a < key_b) ? -1 : ((key_a > key_b) ? 1 : 0);
 }
 
-
 /**
  * From a keycode, bindcode, or bindsym name and the most likely binding type,
  * identify the appropriate numeric value corresponding to the key. Return NULL
@@ -278,7 +277,6 @@ static struct cmd_results *cmd_bindsym_or_bindcode(int argc, char **argv,
 	wlr_log(WLR_DEBUG, "%s - Bound %s to command `%s` for device '%s'",
 		bindtype, argv[0], binding->command, binding->input);
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
-
 }
 
 struct cmd_results *cmd_bindsym(int argc, char **argv) {
@@ -289,7 +287,6 @@ struct cmd_results *cmd_bindcode(int argc, char **argv) {
 	return cmd_bindsym_or_bindcode(argc, argv, true);
 }
 
-
 /**
  * Execute the command associated to a binding
  */
@@ -299,15 +296,14 @@ void seat_execute_command(struct sway_seat *seat, struct sway_binding *binding)
 	config->handler_context.seat = seat;
 	list_t *res_list = execute_command(binding->command, NULL, NULL);
 	bool success = true;
-	while (res_list->length) {
-		struct cmd_results *results = res_list->items[0];
+	for (int i = 0; i < res_list->length; ++i) {
+		struct cmd_results *results = res_list->items[i];
 		if (results->status != CMD_SUCCESS) {
 			wlr_log(WLR_DEBUG, "could not run command for binding: %s (%s)",
 				binding->command, results->error);
 			success = false;
 		}
 		free_cmd_results(results);
-		list_del(res_list, 0);
 	}
 	list_free(res_list);
 	if (success) {
diff --git a/sway/config.c b/sway/config.c
index efb95e31..4621cad9 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -38,26 +38,24 @@
 struct sway_config *config = NULL;
 
 static void free_mode(struct sway_mode *mode) {
-	int i;
-
 	if (!mode) {
 		return;
 	}
 	free(mode->name);
 	if (mode->keysym_bindings) {
-		for (i = 0; i < mode->keysym_bindings->length; i++) {
+		for (int i = 0; i < mode->keysym_bindings->length; i++) {
 			free_sway_binding(mode->keysym_bindings->items[i]);
 		}
 		list_free(mode->keysym_bindings);
 	}
 	if (mode->keycode_bindings) {
-		for (i = 0; i < mode->keycode_bindings->length; i++) {
+		for (int i = 0; i < mode->keycode_bindings->length; i++) {
 			free_sway_binding(mode->keycode_bindings->items[i]);
 		}
 		list_free(mode->keycode_bindings);
 	}
 	if (mode->mouse_bindings) {
-		for (i = 0; i < mode->mouse_bindings->length; i++) {
+		for (int i = 0; i < mode->mouse_bindings->length; i++) {
 			free_sway_binding(mode->mouse_bindings->items[i]);
 		}
 		list_free(mode->mouse_bindings);
diff --git a/sway/config/bar.c b/sway/config/bar.c
index 82457ef4..fc773026 100644
--- a/sway/config/bar.c
+++ b/sway/config/bar.c
@@ -49,8 +49,7 @@ void free_bar_config(struct bar_config *bar) {
 	free(bar->font);
 	free(bar->separator_symbol);
 	for (int i = 0; i < bar->bindings->length; i++) {
-		struct bar_binding *binding = bar->bindings->items[i];
-		free_bar_binding(binding);
+		free_bar_binding(bar->bindings->items[i]);
 	}
 	list_free(bar->bindings);
 	free_flat_list(bar->outputs);
diff --git a/sway/config/seat.c b/sway/config/seat.c
index 56fa6095..1cb4c363 100644
--- a/sway/config/seat.c
+++ b/sway/config/seat.c
@@ -117,11 +117,8 @@ void free_seat_config(struct seat_config *seat) {
 
 	free(seat->name);
 	for (int i = 0; i < seat->attachments->length; ++i) {
-		struct seat_attachment_config *attachment =
-			seat->attachments->items[i];
-		seat_attachment_config_free(attachment);
+		seat_attachment_config_free(seat->attachments->items[i]);
 	}
-
 	list_free(seat->attachments);
 	free(seat);
 }
diff --git a/sway/ipc-server.c b/sway/ipc-server.c
index b3954259..2c642a37 100644
--- a/sway/ipc-server.c
+++ b/sway/ipc-server.c
@@ -73,14 +73,11 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
 	unlink(ipc_sockaddr->sun_path);
 
 	while (ipc_client_list->length) {
-		struct ipc_client *client = ipc_client_list->items[0];
-		ipc_client_disconnect(client);
+		ipc_client_disconnect(ipc_client_list->items[ipc_client_list->length-1]);
 	}
 	list_free(ipc_client_list);
 
-	if (ipc_sockaddr) {
-		free(ipc_sockaddr);
-	}
+	free(ipc_sockaddr);
 
 	wl_list_remove(&ipc_display_destroy.link);
 }
diff --git a/sway/main.c b/sway/main.c
index a74183fe..f70e751d 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -393,13 +393,12 @@ int main(int argc, char **argv) {
 	while (config->cmd_queue->length) {
 		char *line = config->cmd_queue->items[0];
 		list_t *res_list = execute_command(line, NULL, NULL);
-		while (res_list->length) {
-			struct cmd_results *res = res_list->items[0];
+		for (int i = 0; i < res_list->length; ++i) {
+			struct cmd_results *res = res_list->items[i];
 			if (res->status != CMD_SUCCESS) {
 				wlr_log(WLR_ERROR, "Error on line '%s': %s", line, res->error);
 			}
 			free_cmd_results(res);
-			list_del(res_list, 0);
 		}
 		list_free(res_list);
 		free(line);
diff --git a/swaynag/swaynag.c b/swaynag/swaynag.c
index a2a0b412..e6dfd25f 100644
--- a/swaynag/swaynag.c
+++ b/swaynag/swaynag.c
@@ -407,9 +407,8 @@ void swaynag_destroy(struct swaynag *swaynag) {
 	swaynag->run_display = false;
 
 	free(swaynag->message);
-	while (swaynag->buttons->length) {
-		struct swaynag_button *button = swaynag->buttons->items[0];
-		list_del(swaynag->buttons, 0);
+	for (int i = 0; i < swaynag->buttons->length; ++i) {
+		struct swaynag_button *button = swaynag->buttons->items[i];
 		free(button->text);
 		free(button->action);
 		free(button);
diff --git a/swaynag/types.c b/swaynag/types.c
index 129644b7..bc17bd33 100644
--- a/swaynag/types.c
+++ b/swaynag/types.c
@@ -147,10 +147,8 @@ void swaynag_type_free(struct swaynag_type *type) {
 }
 
 void swaynag_types_free(list_t *types) {
-	while (types->length) {
-		struct swaynag_type *type = types->items[0];
-		swaynag_type_free(type);
-		list_del(types, 0);
+	for (int i = 0; i < types->length; ++i) {
+		swaynag_type_free(types->items[i]);
 	}
 	list_free(types);
 }