90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
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//+-------------------------------------------------------------------------
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 2001 - 2001
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//
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// File: fileutil.h
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//
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// Contents: File utility functions used by the minimal cryptographic
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// APIs.
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//
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// APIs:
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// I_MinCryptMapFile
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//
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//----------------------------------------------------------------------------
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#ifndef __MINCRYPT_FILEUTIL_H__
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#define __MINCRYPT_FILEUTIL_H__
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#if defined (_MSC_VER)
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#if ( _MSC_VER >= 800 )
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#if _MSC_VER >= 1200
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#pragma warning(push)
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#endif
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#pragma warning(disable:4201) /* Nameless struct/union */
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#endif
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#if (_MSC_VER > 1020)
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#pragma once
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#endif
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#endif
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#include <wincrypt.h>
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#include <mincrypt.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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//+-------------------------------------------------------------------------
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// Maps the file into memory.
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//
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// According to dwFileType, pvFile can be a pwszFilename, hFile or pFileBlob.
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// Only READ access is required.
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//
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// dwFileType:
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// MINCRYPT_FILE_NAME : pvFile - LPCWSTR pwszFilename
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// MINCRYPT_FILE_HANDLE : pvFile - HANDLE hFile
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// MINCRYPT_FILE_BLOB : pvFile - PCRYPT_DATA_BLOB pFileBlob
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//
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// *pFileBlob is updated with pointer to and length of the mapped file. For
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// MINCRYPT_FILE_NAME and MINCRYPT_FILE_HANDLE, UnmapViewOfFile() must
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// be called to free pFileBlob->pbData.
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//
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// All accesses to this mapped memory must be within __try / __except's.
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//--------------------------------------------------------------------------
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LONG
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WINAPI
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I_MinCryptMapFile(
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IN DWORD dwFileType,
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IN const VOID *pvFile,
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OUT PCRYPT_DATA_BLOB pFileBlob
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);
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#ifdef __cplusplus
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} // Balance extern "C" above
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#endif
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#if defined (_MSC_VER)
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#if ( _MSC_VER >= 800 )
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#if _MSC_VER >= 1200
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#pragma warning(pop)
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#else
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#pragma warning(default:4201)
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#endif
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#endif
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#endif
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#endif // __MINCRYPT_FILEUTIL_H__
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