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Add GetLastErrorFromOffset #34

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Add GetLastErrorFromOffset #34

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
x64/Debug/VX-API.exe
*.pdb
.vs/VX-API/v17/.suo
.vs/VX-API/v17/DocumentLayout*
*.vsidx
*.db
*.db-shm
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -66,6 +66,7 @@ You're free to use this in any manner you please. You do not need to use this en
| Function Name | Original Author |
| ------------- | --------------- |
| GetLastErrorFromTeb | smelly__vx |
| GetLastErrorFromOffset | d4ytox |
| GetLastNtStatusFromTeb | smelly__vx |
| RtlNtStatusToDosErrorViaImport | ReactOS |
| GetLastErrorFromTeb | smelly__vx |
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10 changes: 10 additions & 0 deletions VX-API/GetLastErrorFromOffset.cpp
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@@ -0,0 +1,10 @@
#include "Win32Helper.h"

DWORD GetLastErrorFromOffset(VOID)
{
#ifdef _WIN64
return (DWORD)__readgsqword(0x68);
#else
return __readfsdword(0x34);
#endif
}
1 change: 1 addition & 0 deletions VX-API/VX-API.vcxproj
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Expand Up @@ -187,6 +187,7 @@
<ClCompile Include="FastcallExecuteBinaryShellExecuteEx.cpp" />
<ClCompile Include="GetCurrentProcessNoForward.cpp" />
<ClCompile Include="GetCurrentThreadNoForward.cpp" />
<ClCompile Include="GetLastErrorFromOffset.cpp" />
<ClCompile Include="GetPeSectionSizeInBytes.cpp" />
<ClCompile Include="IeCreateDirectory.cpp" />
<ClCompile Include="IeCreateFile.cpp" />
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3 changes: 3 additions & 0 deletions VX-API/VX-API.vcxproj.filters
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Expand Up @@ -840,6 +840,9 @@
<ClCompile Include="IeRemoveDirectory.cpp">
<Filter>Source Files\Proxied Functions</Filter>
</ClCompile>
<ClCompile Include="GetLastErrorFromOffset.cpp">
<Filter>Source Files\Error Handling</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="Internal.h">
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1 change: 1 addition & 0 deletions VX-API/Win32Helper.h
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Expand Up @@ -135,6 +135,7 @@ BOOL ExtractFilesFromCabIntoTargetA(LPCSTR CabFile, LPCSTR OutputDirectory);
ERROR HANDLING
*******************************************/
DWORD GetLastErrorFromTeb(VOID);
DWORD GetLastErrorFromOffset(VOID);
NTSTATUS GetLastNtStatusFromTeb(VOID);
VOID SetLastErrorInTeb(_In_ DWORD ErrorCode);
VOID SetLastNtStatusInTeb(_In_ NTSTATUS Status);
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