From bf3d21c835793558475c2f6e83ef04250457a5c0 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Sat, 20 Nov 2021 03:45:05 +0100
Subject: [PATCH] add exports for game patching

---
 ddraw.def     |  8 ++++++++
 src/dllmain.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/ddraw.def b/ddraw.def
index c1b0b64..3b4b6bb 100644
--- a/ddraw.def
+++ b/ddraw.def
@@ -18,5 +18,13 @@ EXPORTS
     DirectInputCreateW = fake_DirectInputCreateW
     DirectInputCreateEx = fake_DirectInputCreateEx
     DirectInput8Create = fake_DirectInput8Create
+    DDmemcpy
+    DDmemmove
+    DDmemset
+    DDZeroMemory
+    DDmemcpyStd
+    DDmemmoveStd
+    DDmemsetStd
+    DDZeroMemoryStd
     GameHandlesClose                          DATA
     pvBmpBits = FakePrimarySurface            DATA
diff --git a/src/dllmain.c b/src/dllmain.c
index e33135a..86f1439 100644
--- a/src/dllmain.c
+++ b/src/dllmain.c
@@ -232,3 +232,45 @@ DWORD WINAPI DDInternalUnlock(DWORD a)
     TRACE("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
     return ret;
 }
+
+/* Exports for game patching */
+
+void* __cdecl DDmemcpy(void* _Dst, void const* _Src, size_t _Size)
+{
+    return memcpy(_Dst, _Src, _Size);
+}
+
+void* __cdecl DDmemmove(void* _Dst, void const* _Src, size_t _Size)
+{
+    return memmove(_Dst, _Src, _Size);
+}
+
+void* __cdecl DDmemset(void* _Dst, int _Val, size_t _Size)
+{
+    return memset(_Dst, _Val, _Size);
+}
+
+void __cdecl DDZeroMemory(PVOID Destination, SIZE_T Length)
+{
+    memset(Destination, 0, Length);
+}
+
+void* __stdcall DDmemcpyStd(void* _Dst, void const* _Src, size_t _Size)
+{
+    return memcpy(_Dst, _Src, _Size);
+}
+
+void* __stdcall DDmemmoveStd(void* _Dst, void const* _Src, size_t _Size)
+{
+    return memmove(_Dst, _Src, _Size);
+}
+
+void* __stdcall DDmemsetStd(void* _Dst, int _Val, size_t _Size)
+{
+    return memset(_Dst, _Val, _Size);
+}
+
+void __stdcall DDZeroMemoryStd(PVOID Destination, SIZE_T Length)
+{
+    memset(Destination, 0, Length);
+}