Add debug_calloc() to the debug_heap.

headers/private/kernel/debug_heap.h

@@ -19,6 +19,7 @@ extern "C" {
 debug_alloc_pool*	create_debug_alloc_pool();
 void				delete_debug_alloc_pool(debug_alloc_pool* pool);
 void*				debug_malloc(size_t size);
+void*				debug_calloc(size_t num, size_t size);
 void				debug_free(void* address);
 void				debug_heap_init();
 

src/system/kernel/debug/debug_heap.cpp

@@ -278,6 +278,19 @@ debug_malloc(size_t size)
 }
 
 
+void*
+debug_calloc(size_t num, size_t size)
+{
+	size_t allocationSize = num * size;
+	void* allocation = debug_malloc(allocationSize);
+	if (allocation == NULL)
+		return NULL;
+
+	memset(allocation, 0, allocationSize);
+	return allocation;
+}
+
+
 void
 debug_free(void* address)
 {