net: lwm2m: rename path size define

Rename max path constant to prevent string length vs data size confusion

Signed-off-by: Pascal Brogle <[email protected]>

Author: broglep-work

include/zephyr/net/lwm2m.h

@@ -1398,7 +1398,7 @@ void lwm2m_rd_client_update(void);
 /**
  * @brief LwM2M path maximum length
  */
-#define LWM2M_MAX_PATH_STR_LEN sizeof("65535/65535/65535/65535")
+#define LWM2M_MAX_PATH_STR_SIZE sizeof("65535/65535/65535/65535")
 
 /**
  * @brief Helper function to print path objects' contents to log

samples/net/lwm2m_client/src/lwm2m-client.c

@@ -283,7 +283,7 @@ static void rd_client_event(struct lwm2m_ctx *client,
 static void observe_cb(enum lwm2m_observe_event event,
 		       struct lwm2m_obj_path *path, void *user_data)
 {
-	char buf[LWM2M_MAX_PATH_STR_LEN];
+	char buf[LWM2M_MAX_PATH_STR_SIZE];
 
 	switch (event) {
 

subsys/net/lib/lwm2m/lwm2m_obj_firmware.c

@@ -97,7 +97,7 @@ uint8_t lwm2m_firmware_get_update_state(void)
 void lwm2m_firmware_set_update_state_inst(uint16_t obj_inst_id, uint8_t state)
 {
 	bool error = false;
-	char path[LWM2M_MAX_PATH_STR_LEN];
+	char path[LWM2M_MAX_PATH_STR_SIZE];
 
 	snprintk(path, sizeof(path), "%" PRIu16 "/%" PRIu16 "/%" PRIu16,
 		LWM2M_OBJECT_FIRMWARE_ID, obj_inst_id, FIRMWARE_UPDATE_RESULT_ID);
@@ -164,7 +164,7 @@ void lwm2m_firmware_set_update_result_inst(uint16_t obj_inst_id, uint8_t result)
 {
 	uint8_t state;
 	bool error = false;
-	char path[LWM2M_MAX_PATH_STR_LEN];
+	char path[LWM2M_MAX_PATH_STR_SIZE];
 
 	/* Check LWM2M SPEC appendix E.6.1 */
 	switch (result) {

subsys/net/lib/lwm2m/lwm2m_obj_swmgmt.c

@@ -205,7 +205,7 @@ static void *callback_read_not_defined(uint16_t obj_inst_id, uint16_t res_id, ui
 static void set_sw_update_state(struct lwm2m_swmgmt_data *instance, uint8_t state)
 {
 	int ret;
-	char obj_path[LWM2M_MAX_PATH_STR_LEN];
+	char obj_path[LWM2M_MAX_PATH_STR_SIZE];
 
 	(void)snprintk(obj_path, sizeof(obj_path), "%d/%d/%d", LWM2M_OBJECT_SOFTWARE_MANAGEMENT_ID,
 		       instance->obj_inst_id, SWMGMT_UPDATE_STATE_ID);
@@ -218,7 +218,7 @@ static void set_sw_update_state(struct lwm2m_swmgmt_data *instance, uint8_t stat
 static void set_sw_update_result(struct lwm2m_swmgmt_data *instance, uint8_t result)
 {
 	int ret;
-	char obj_path[LWM2M_MAX_PATH_STR_LEN];
+	char obj_path[LWM2M_MAX_PATH_STR_SIZE];
 
 	(void)snprintk(obj_path, sizeof(obj_path), "%d/%d/%d", LWM2M_OBJECT_SOFTWARE_MANAGEMENT_ID,
 		       instance->obj_inst_id, SWMGMT_UPDATE_RESULT_ID);
@@ -231,7 +231,7 @@ static void set_sw_update_result(struct lwm2m_swmgmt_data *instance, uint8_t res
 static void set_sw_update_act_state(struct lwm2m_swmgmt_data *instance, bool state)
 {
 	int ret;
-	char obj_path[LWM2M_MAX_PATH_STR_LEN];
+	char obj_path[LWM2M_MAX_PATH_STR_SIZE];
 
 	(void)snprintk(obj_path, sizeof(obj_path), "%d/%d/%d", LWM2M_OBJECT_SOFTWARE_MANAGEMENT_ID,
 		       instance->obj_inst_id, SWMGMT_ACTIVATION_UPD_STATE_ID);

subsys/net/lib/lwm2m/lwm2m_observation.c

@@ -459,7 +459,7 @@ static void engine_observe_node_init(struct observe_node *obs, const uint8_t *to
 static void remove_observer_path_from_list(struct lwm2m_ctx *ctx, struct observe_node *obs,
 					   struct lwm2m_obj_path_list *o_p, sys_snode_t *prev_node)
 {
-	char buf[LWM2M_MAX_PATH_STR_LEN];
+	char buf[LWM2M_MAX_PATH_STR_SIZE];
 
 	LOG_DBG("Removing observer %p for path %s", obs, lwm2m_path_log_buf(buf, &o_p->path));
 	if (ctx->observe_cb) {
@@ -799,7 +799,7 @@ char *lwm2m_path_log_buf(char *buf, struct lwm2m_obj_path *path)
 #if defined(CONFIG_LWM2M_CANCEL_OBSERVE_BY_PATH)
 static int engine_remove_observer_by_path(struct lwm2m_ctx *ctx, struct lwm2m_obj_path *path)
 {
-	char buf[LWM2M_MAX_PATH_STR_LEN];
+	char buf[LWM2M_MAX_PATH_STR_SIZE];
 	struct observe_node *obs;
 	struct lwm2m_obj_path_list obs_path_list_buf;
 	sys_slist_t lwm2m_path_list;