add comment on MemoryInternalCheckPointer

Author: wqx6

src/platform/ESP32/CHIPMem-PlatformDefault.cpp

@@ -59,6 +59,7 @@ void MemoryFree(void * p)
 
 bool MemoryInternalCheckPointer(const void * p, size_t min_size)
 {
+    // We don't have a way to know if p is allocated from the heap, just do a null check here.
     return (p != nullptr);
 }
 

src/platform/ESP32/CHIPMem-PlatformExternal.cpp

@@ -59,6 +59,7 @@ void MemoryFree(void * p)
 
 bool MemoryInternalCheckPointer(const void * p, size_t min_size)
 {
+    // We don't have a way to know if p is allocated from the heap, just do a null check here.
     return (p != nullptr);
 }
 

src/platform/ESP32/CHIPMem-PlatformInternal.cpp

@@ -59,6 +59,7 @@ void MemoryFree(void * p)
 
 bool MemoryInternalCheckPointer(const void * p, size_t min_size)
 {
+    // We don't have a way to know if p is allocated from the heap, just do a null check here.
     return (p != nullptr);
 }