From 796ba760c31707fb34e31689f862fb03d9ef2e9f Mon Sep 17 00:00:00 2001
From: DavidXanatos <xanatosdavid@gmail.com>
Date: Mon, 30 Nov 2020 21:26:37 +0100
Subject: [PATCH] win 7 32 bit fix

---
 Sandboxie/core/drv/SboxDrv.vcxproj |  4 +++-
 Sandboxie/core/drv/mem.c           | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/Sandboxie/core/drv/SboxDrv.vcxproj b/Sandboxie/core/drv/SboxDrv.vcxproj
index 41199724..aed99191 100644
--- a/Sandboxie/core/drv/SboxDrv.vcxproj
+++ b/Sandboxie/core/drv/SboxDrv.vcxproj
@@ -321,7 +321,9 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='SbieRelease|x64'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="log.c" />
-    <ClCompile Include="mem.c" />
+    <ClCompile Include="mem.c">
+      <Optimization Condition="'$(Configuration)|$(Platform)'=='SbieRelease|Win32'">Disabled</Optimization>
+    </ClCompile>
     <ClCompile Include="obj.c" />
     <ClCompile Include="obj_xp.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='SbieDebug|Win32'">true</ExcludedFromBuild>
diff --git a/Sandboxie/core/drv/mem.c b/Sandboxie/core/drv/mem.c
index 1e417a4e..2d3b5552 100644
--- a/Sandboxie/core/drv/mem.c
+++ b/Sandboxie/core/drv/mem.c
@@ -154,3 +154,20 @@ _FX void Mem_FreeLockResource(PERESOURCE *ppResource)
         *ppResource = NULL;
     }
 }
+
+//---------------------------------------------------------------------------
+//
+// Fix for the WindowsKernelModeDriver10.0 not creating Win 7 32bit compatible code
+//
+//---------------------------------------------------------------------------
+
+#ifndef _WIN64
+int __cdecl memcmp(
+	_In_reads_bytes_(_Size) void const* _Buf1,
+	_In_reads_bytes_(_Size) void const* _Buf2,
+	_In_                    size_t      _Size
+)
+{
+	return (RtlCompareMemory(_Buf1, _Buf2, _Size) == _Size) ? 0 : 1;
+}
+#endif
\ No newline at end of file