Resource Trie Implementation

common/util.h

@@ -65,6 +65,7 @@ typedef struct {
 #define ms_to_s(x) (x / 1000)
 #define bm_min(a, b) (((a) < (b)) ? (a) : (b))
 #define bm_max(a, b) (((a) > (b)) ? (a) : (b))
+#define uint_safe_decrement(x) (x ? x - 1 : 0)
 
 uint32_t time_remaining(uint32_t start, uint32_t current, uint32_t timeout);
 uint32_t utc_from_date_time(uint16_t year, uint8_t month, uint8_t day,

middleware/CMakeLists.txt

@@ -8,6 +8,7 @@ set(SOURCES
     middleware.c
     power_info_service.c
     pubsub.c
+    resource_trie.c
     sys_info_service.c
 )
 

middleware/pubsub.h

@@ -14,6 +14,8 @@ extern "C" {
 
 #define BM_TOPIC_MAX_LEN (255)
 
+typedef uint8_t BmTopicLength;
+
 // Add data structures published through pub sub must have this header.
 typedef struct {
   uint8_t type;       // Type of data.