lib: cmetrics: upgrade to v0.6.3

Signed-off-by: Eduardo Silva <[email protected]>

Author: edsiper

lib/cmetrics/CMakeLists.txt

@@ -3,6 +3,12 @@ project(cmetrics C)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+# CMetrics Version
+set(CMT_VERSION_MAJOR  0)
+set(CMT_VERSION_MINOR  6)
+set(CMT_VERSION_PATCH  3)
+set(CMT_VERSION_STR "${CMT_VERSION_MAJOR}.${CMT_VERSION_MINOR}.${CMT_VERSION_PATCH}")
+
 # Include helpers
 include(cmake/macros.cmake)
 include(CheckCSourceCompiles)
@@ -54,12 +60,6 @@ if(NOT MSVC)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
 endif()
 
-# CMetrics Version
-set(CMT_VERSION_MAJOR  0)
-set(CMT_VERSION_MINOR  6)
-set(CMT_VERSION_PATCH  2)
-set(CMT_VERSION_STR "${CMT_VERSION_MAJOR}.${CMT_VERSION_MINOR}.${CMT_VERSION_PATCH}")
-
 # Define __CMT_FILENAME__ consistently across Operating Systems
 if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Windows")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__CMT_FILENAME__='\"$(subst ${CMAKE_SOURCE_DIR}/,,$(abspath $<))\"'")

lib/cmetrics/src/cmt_decode_opentelemetry.c

@@ -50,6 +50,9 @@ static struct cfl_variant *clone_variant(Opentelemetry__Proto__Common__V1__AnyVa
     struct cfl_variant *result_instance = NULL;
     int                 result;
 
+    if (source == NULL) {
+        return NULL;
+    }
     if (source->value_case == OPENTELEMETRY__PROTO__COMMON__V1__ANY_VALUE__VALUE_STRING_VALUE) {
         result_instance = cfl_variant_create_from_string(source->string_value);
     }