68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
/*
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Copyright (c) 2002 Microsoft Corporation
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Module Name:
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BeyondAtlantis.cpp
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Abstract:
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Fix disk space error caused by bad string passed to
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GetDiskFreeSpace. This root path is also bad on Win9x. No idea
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why that doesn't affect it.
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History:
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05/31/2002 linstev Created
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*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(BeyondAtlantis)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(GetDiskFreeSpaceA)
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APIHOOK_ENUM_END
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BOOL
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APIHOOK(GetDiskFreeSpaceA)(
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LPCSTR lpRootPathName,
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LPDWORD lpSectorsPerCluster,
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LPDWORD lpBytesPerSector,
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LPDWORD lpNumberOfFreeClusters,
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LPDWORD lpTotalNumberOfClusters
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)
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{
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if (lpRootPathName && (strncmp(lpRootPathName, "tla", 3) == 0)) {
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CSTRING_TRY
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{
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CString csPath;
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csPath.GetCurrentDirectoryW();
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CString csDrive;
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csPath.SplitPath(&csDrive, NULL, NULL, NULL);
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return ORIGINAL_API(GetDiskFreeSpaceA)(csDrive.GetAnsi(), lpSectorsPerCluster,
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lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters);
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}
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CSTRING_CATCH
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{
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}
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}
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return ORIGINAL_API(GetDiskFreeSpaceA)(lpRootPathName, lpSectorsPerCluster,
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lpBytesPerSector, lpNumberOfFreeClusters, lpTotalNumberOfClusters);
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}
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HOOK_BEGIN
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APIHOOK_ENTRY(KERNEL32.DLL, GetDiskFreeSpaceA)
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HOOK_END
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IMPLEMENT_SHIM_END
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