swaybar: Move swaybar_teardown to free_state

swaybar/ipc.c

@@ -152,8 +152,7 @@ static void ipc_parse_config(struct swaybar_config *config, const char *payload)
 
 static void ipc_update_workspaces(struct swaybar_state *state) {
 	if (state->output->workspaces) {
-		list_foreach(state->output->workspaces, free_workspace);
-		list_free(state->output->workspaces);
+		free_workspaces(state->output->workspaces);
 	}
 	state->output->workspaces = create_list();
 

swaybar/main.c

@@ -27,47 +27,13 @@
 
 struct swaybar_state *state;
 
-void swaybar_teardown() {
-	window_teardown(state->output->window);
-	if (state->output->registry) {
-		registry_teardown(state->output->registry);
-	}
-
-	if (state->status_read_fd) {
-		close(state->status_read_fd);
-	}
-
-	if (state->status_command_pid) {
-		// terminate status_command process
-		int ret = kill(state->status_command_pid, SIGTERM);
-		if (ret != 0) {
-			sway_log(L_ERROR, "Unable to terminate status_command [pid: %d]", state->status_command_pid);
-		} else {
-			int status;
-			waitpid(state->status_command_pid, &status, 0);
-		}
-	}
-
-	if (state->status_read_fd) {
-		close(state->status_read_fd);
-	}
-
-	if (state->ipc_socketfd) {
-		close(state->ipc_socketfd);
-	}
-
-	if (state->ipc_event_socketfd) {
-		close(state->ipc_event_socketfd);
-	}
-}
-
 void sway_terminate(void) {
-	swaybar_teardown();
+	free_state(state);
 	exit(EXIT_FAILURE);
 }
 
 void sig_handler(int signal) {
-	swaybar_teardown();
+	free_state(state);
 	exit(0);
 }
 
@@ -244,7 +210,7 @@ int main(int argc, char **argv) {
 	poll_for_update();
 
 	// gracefully shutdown swaybar and status_command
-	swaybar_teardown();
+	free_state(state);
 
 	return 0;
 }

swaybar/state.c

@@ -1,6 +1,10 @@
 #include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 
 #include "list.h"
+#include "log.h"
 #include "config.h"
 #include "status_line.h"
 #include "state.h"
@@ -18,13 +22,64 @@ struct swaybar_state *init_state() {
 	return state;
 }
 
-void free_workspace(void *item) {
-	if (!item) {
-		return;
-	}
-	struct workspace *ws = (struct workspace *)item;
-	if (ws->name) {
+void free_workspaces(list_t *workspaces) {
+	int i;
+	for (i = 0; i < workspaces->length; ++i) {
+		struct workspace *ws = workspaces->items[i];
 		free(ws->name);
-	}
 		free(ws);
 	}
+	list_free(workspaces);
+}
+
+static void free_output(struct output *output) {
+	window_teardown(output->window);
+	if (output->registry) {
+		registry_teardown(output->registry);
+	}
+
+	free(output->name);
+
+	if (output->workspaces) {
+		free_workspaces(output->workspaces);
+	}
+
+	free(output);
+}
+
+static void terminate_status_command(pid_t pid) {
+	if (pid) {
+		// terminate status_command process
+		int ret = kill(pid, SIGTERM);
+		if (ret != 0) {
+			sway_log(L_ERROR, "Unable to terminate status_command [pid: %d]", pid);
+		} else {
+			int status;
+			waitpid(pid, &status, 0);
+		}
+	}
+}
+
+void free_state(struct swaybar_state *state) {
+	free_config(state->config);
+	free_output(state->output);
+	free_status_line(state->status);
+
+	/* close sockets/pipes */
+	if (state->status_read_fd) {
+		close(state->status_read_fd);
+	}
+
+	if (state->ipc_socketfd) {
+		close(state->ipc_socketfd);
+	}
+
+	if (state->ipc_event_socketfd) {
+		close(state->ipc_event_socketfd);
+	}
+
+	/* terminate status command process */
+	terminate_status_command(state->status_command_pid);
+
+	free(state);
+}

swaybar/state.h

@@ -3,6 +3,7 @@
 
 #include "client/registry.h"
 #include "client/window.h"
+#include "list.h"
 
 struct swaybar_state {
 	struct swaybar_config *config;
@@ -37,8 +38,13 @@ struct workspace {
 struct swaybar_state *init_state();
 
 /**
- * free workspace struct.
+ * free workspace list.
  */
-void free_workspace(void *item);
+void free_workspaces(list_t *workspaces);
+
+/**
+ * Free state struct.
+ */
+void free_state(struct swaybar_state *state);
 
 #endif /* _SWAYBAR_STATE_H */

swaybar/status_line.c

@@ -433,3 +433,10 @@ struct status_line *init_status_line() {
 
 	return line;
 }
+
+void free_status_line(struct status_line *line) {
+	if (line->block_line) {
+		list_foreach(line->block_line, free_status_block);
+		list_free(line->block_line);
+	}
+}

swaybar/status_line.h

@@ -11,7 +11,7 @@ typedef enum {UNDEF, TEXT, I3BAR} command_protocol;
 
 struct status_line {
 	list_t *block_line;
-	char *text_line;
+	const char *text_line;
 	command_protocol protocol;
 };
 
@@ -42,4 +42,9 @@ struct status_line *init_status_line();
  */
 bool handle_status_line(struct swaybar_state *st);
 
+/**
+ * Free status line struct.
+ */
+void free_status_line(struct status_line *line);
+
 #endif /* _SWAYBAR_STATUS_LINE_H */