Add type to returned response.

Makes `ipc_recv_response` return a struct with size, type and payload
rather than just the payload string.

This is useful if the type has to be checked on the client.

1 files changed, 16 insertions, 3 deletions

diff --git a/include/ipc-client.h b/include/ipc-client.h
index a4cfd87f..030c80b6 100644
--- a/include/ipc-client.h
+++ b/include/ipc-client.h
@@ -4,6 +4,16 @@
 #include "ipc.h"
 
 /**
+ * IPC response including type of IPC response, size of payload and the json
+ * encoded payload string.
+ */
+struct ipc_response {
+        uint32_t size;
+        uint32_t type;
+        char *payload;
+};
+
+/**
  * Gets the path to the IPC socket from sway.
  */
 char *get_socketpath(void);
@@ -17,9 +27,12 @@ int ipc_open_socket(const char *socket_path);
  */
 char *ipc_single_command(int socketfd, uint32_t type, const char *payload, uint32_t *len);
 /**
- * Receives a single IPC resposne and returns the buffer. len will be updated
- * with the length of the buffer returned from sway.
+ * Receives a single IPC response and returns an ipc_response.
+ */
+struct ipc_response *ipc_recv_response(int socketfd);
+/**
+ * Free ipc_response struct
  */
-char *ipc_recv_response(int socketfd, uint32_t *len);
+void free_ipc_response(struct ipc_response *response);
 
 #endif