Fixes for small existing bugs.

swaybar/ipc.c

@@ -13,7 +13,7 @@
 void ipc_send_workspace_command(struct swaybar *bar, const char *ws) {
 	const char *fmt = "workspace \"%s\"";
 	uint32_t size = snprintf(NULL, 0, fmt, ws);
-	char *command = malloc(sizeof(char) * size);
+	char *command = malloc(sizeof(char) * (size + 1));
 	snprintf(command, size, fmt, ws);
 	ipc_single_command(bar->ipc_socketfd, IPC_COMMAND, command, &size);
 	free(command);

swaynag/swaynag.c

@@ -31,8 +31,9 @@ static bool terminal_execute(char *terminal, char *command) {
 	char *cmd = malloc(sizeof(char) * (strlen(terminal) + strlen(" -e ") + strlen(fname) + 1));
 	sprintf(cmd, "%s -e %s", terminal, fname);
 	execl("/bin/sh", "/bin/sh", "-c", cmd, NULL);
+	wlr_log_errno(WLR_ERROR, "Failed to run command, execl() returned.");
 	free(cmd);
-	return true;
+	return false;
 }
 
 static void swaynag_button_execute(struct swaynag *swaynag,