From 52cdb36c0d9f67939adb3be9376fbda414d7e776 Mon Sep 17 00:00:00 2001
From: Jean-Roland Gosse <jean.roland.gosse@gmail.com>
Date: Fri, 17 Nov 2023 15:30:37 +0100
Subject: [PATCH] fix: use same time in the struct to reduce size

---
 include/zenoh-pico/link/link.h           | 6 +++---
 include/zenoh-pico/transport/common/tx.h | 4 ++--
 src/transport/common/tx.c                | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/zenoh-pico/link/link.h b/include/zenoh-pico/link/link.h
index 568d9c68e..32c9ebb42 100644
--- a/include/zenoh-pico/link/link.h
+++ b/include/zenoh-pico/link/link.h
@@ -76,9 +76,9 @@ typedef enum {
  *     reserved: 4 bits, reserved for futur use
  */
 typedef struct _z_link_capabilities_t {
-    _z_link_cap_transport_t _transport : 2;
-    _z_link_cap_flow_t _flow : 1;
-    _Bool _is_reliable : 1;
+    uint8_t _transport : 2;
+    uint8_t _flow : 1;
+    uint8_t _is_reliable : 1;
     uint8_t _reserved : 4;
 } _z_link_capabilities_t;
 
diff --git a/include/zenoh-pico/transport/common/tx.h b/include/zenoh-pico/transport/common/tx.h
index d11c1c80e..d7870c54a 100644
--- a/include/zenoh-pico/transport/common/tx.h
+++ b/include/zenoh-pico/transport/common/tx.h
@@ -19,8 +19,8 @@
 #include "zenoh-pico/net/session.h"
 #include "zenoh-pico/transport/transport.h"
 
-void __unsafe_z_prepare_wbuf(_z_wbuf_t *buf, _z_link_cap_flow_t flow);
-void __unsafe_z_finalize_wbuf(_z_wbuf_t *buf, _z_link_cap_flow_t flow);
+void __unsafe_z_prepare_wbuf(_z_wbuf_t *buf, uint8_t link_flow_capability);
+void __unsafe_z_finalize_wbuf(_z_wbuf_t *buf, uint8_t link_flow_capability);
 /*This function is unsafe because it operates in potentially concurrent
         data.*Make sure that the following mutexes are locked before calling this function : *-ztu->mutex_tx */
 int8_t __unsafe_z_serialize_zenoh_fragment(_z_wbuf_t *dst, _z_wbuf_t *src, z_reliability_t reliability, size_t sn);
diff --git a/src/transport/common/tx.c b/src/transport/common/tx.c
index 12fc69e24..6f38ac365 100644
--- a/src/transport/common/tx.c
+++ b/src/transport/common/tx.c
@@ -27,10 +27,10 @@
  * Make sure that the following mutexes are locked before calling this function:
  *  - ztu->mutex_tx
  */
-void __unsafe_z_prepare_wbuf(_z_wbuf_t *buf, _z_link_cap_flow_t flow) {
+void __unsafe_z_prepare_wbuf(_z_wbuf_t *buf, uint8_t link_flow_capability) {
     _z_wbuf_reset(buf);
 
-    switch (flow) {
+    switch (link_flow_capability) {
         // Stream capable links
         case Z_LINK_CAP_FLOW_STREAM:
             for (uint8_t i = 0; i < _Z_MSG_LEN_ENC_SIZE; i++) {
@@ -50,8 +50,8 @@ void __unsafe_z_prepare_wbuf(_z_wbuf_t *buf, _z_link_cap_flow_t flow) {
  * Make sure that the following mutexes are locked before calling this function:
  *  - ztu->mutex_tx
  */
-void __unsafe_z_finalize_wbuf(_z_wbuf_t *buf, _z_link_cap_flow_t flow) {
-    switch (flow) {
+void __unsafe_z_finalize_wbuf(_z_wbuf_t *buf, uint8_t link_flow_capability) {
+    switch (link_flow_capability) {
         // Stream capable links
         case Z_LINK_CAP_FLOW_STREAM: {
             size_t len = _z_wbuf_len(buf) - _Z_MSG_LEN_ENC_SIZE;