[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT

sdk/lib/ucrt/heap/calloc.cpp

@@ -0,0 +1,30 @@
+//
+// calloc.cpp
+//
+//      Copyright (c) Microsoft Corporation. All rights reserved.
+//
+// Implementation of calloc().  Note that _calloc_base is defined in its own
+// source file to resolve various issues when linking.
+//
+#include <corecrt_internal.h>
+#include <malloc.h>
+
+// Allocates a block of memory of size 'count * size' in the heap.  The newly
+// allocated block is zero-initialized.  If allocation fails, nullptr is
+// returned.
+//
+// This function supports patching and therefore must be marked noinline.
+// Both _calloc_dbg and _calloc_base must also be marked noinline
+// to prevent identical COMDAT folding from substituting calls to calloc
+// with either other function or vice versa.
+extern "C" _CRT_HYBRIDPATCHABLE __declspec(noinline) _CRTRESTRICT void* __cdecl calloc(
+    size_t const count,
+    size_t const size
+    )
+{
+    #ifdef _DEBUG
+    return _calloc_dbg(count, size, _NORMAL_BLOCK, nullptr, 0);
+    #else
+    return _calloc_base(count, size);
+    #endif
+}