Fix some potential memory leaks

src/assignments.c

@@ -39,7 +39,9 @@ void run_assignments(i3Window *window) {
             DLOG("execute command %s\n", current->dest.command);
             char *full_command;
             asprintf(&full_command, "[id=\"%d\"] %s", window->id, current->dest.command);
-            parse_cmd(full_command);
+            char *json_result = parse_cmd(full_command);
+            FREE(full_command);
+            FREE(json_result);
         }
 
         /* Store that we ran this assignment to not execute it again */

src/cfgparse.y

@@ -1101,6 +1101,7 @@ colorpixel:
         char *hex;
         if (asprintf(&hex, "#%s", $2) == -1)
             die("asprintf()");
+        free($2);
         $$ = get_colorpixel(hex);
         free(hex);
     }

src/config.c

@@ -193,6 +193,7 @@ static char *get_config_path(const char *override_configpath) {
     config_path = resolve_tilde("~/.i3/config");
     if (path_exists(config_path))
         return config_path;
+    free(config_path);
 
     /* 2: check for $XDG_CONFIG_HOME/i3/config */
     if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)

src/handlers.c

@@ -112,7 +112,8 @@ static int handle_key_press(xcb_key_press_event_t *event) {
         }
     }
 
-    parse_cmd(bind->command);
+    char *json_result = parse_cmd(bind->command);
+    free(json_result);
     return 1;
 }
 

src/ipc.c

@@ -147,7 +147,8 @@ IPC_HANDLER(command) {
     char *command = scalloc(message_size + 1);
     strncpy(command, (const char*)message, message_size);
     LOG("IPC: received: *%s*\n", command);
-    const char *reply = parse_cmd((const char*)command);
+    char *reply = parse_cmd((const char*)command);
+    char *save_reply = reply;
     free(command);
 
     /* If no reply was provided, we just use the default success message */
@@ -155,6 +156,8 @@ IPC_HANDLER(command) {
         reply = "{\"success\":true}";
     ipc_send_message(fd, (const unsigned char*)reply,
                      I3_IPC_REPLY_TYPE_COMMAND, strlen(reply));
+
+    FREE(save_reply);
 }
 
 static void dump_rect(yajl_gen gen, const char *name, Rect r) {