1 files changed, 80 insertions, 0 deletions

diff --git a/src/dutil/inc/buffutil.h b/src/dutil/inc/buffutil.h
new file mode 100644
index 00000000..e61cdb58
--- /dev/null
+++ b/src/dutil/inc/buffutil.h
@@ -0,0 +1,80 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+// macro definitions
+
+#define ReleaseBuffer ReleaseMem
+#define ReleaseNullBuffer ReleaseNullMem
+#define BuffFree MemFree
+
+
+// function declarations
+
+HRESULT BuffReadNumber(
+    __in_bcount(cbBuffer) const BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __inout SIZE_T* piBuffer,
+    __out DWORD* pdw
+    );
+HRESULT BuffReadNumber64(
+    __in_bcount(cbBuffer) const BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __inout SIZE_T* piBuffer,
+    __out DWORD64* pdw64
+    );
+HRESULT BuffReadString(
+    __in_bcount(cbBuffer) const BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __inout SIZE_T* piBuffer,
+    __deref_out_z LPWSTR* pscz
+    );
+HRESULT BuffReadStringAnsi(
+    __in_bcount(cbBuffer) const BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __inout SIZE_T* piBuffer,
+    __deref_out_z LPSTR* pscz
+    );
+HRESULT BuffReadStream(
+    __in_bcount(cbBuffer) const BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __inout SIZE_T* piBuffer,
+    __deref_out_bcount(*pcbStream) BYTE** ppbStream,
+    __out SIZE_T* pcbStream
+    );
+
+HRESULT BuffWriteNumber(
+    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
+    __inout SIZE_T* piBuffer,
+    __in DWORD dw
+    );
+HRESULT BuffWriteNumber64(
+    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
+    __inout SIZE_T* piBuffer,
+    __in DWORD64 dw64
+    );
+HRESULT BuffWriteString(
+    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
+    __inout SIZE_T* piBuffer,
+    __in_z_opt LPCWSTR scz
+    );
+HRESULT BuffWriteStringAnsi(
+    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
+    __inout SIZE_T* piBuffer,
+    __in_z_opt LPCSTR scz
+    );
+HRESULT BuffWriteStream(
+    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
+    __inout SIZE_T* piBuffer,
+    __in_bcount(cbStream) const BYTE* pbStream,
+    __in SIZE_T cbStream
+    );
+
+#ifdef __cplusplus
+}
+#endif