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/*****************************************************************************/
/* CascCommon.h Copyright (c) Ladislav Zezula 2014 */
/*---------------------------------------------------------------------------*/
/* Common functions for CascLib */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 29.04.14 1.00 Lad The first version of CascCommon.h */
/*****************************************************************************/
#ifndef __COMMON_H__
#define __COMMON_H__
//-----------------------------------------------------------------------------
// Common macros
// Macro for building 64-bit file offset from two 32-bit
#define MAKE_OFFSET64(hi, lo) (((ULONGLONG)hi << 32) | (ULONGLONG)lo)
#ifndef ALIGN_TO_SIZE
#define ALIGN_TO_SIZE(x, a) (((x) + (a)-1) & ~((a)-1))
#endif
//-----------------------------------------------------------------------------
// Conversion tables
extern unsigned char AsciiToLowerTable[256];
extern unsigned char AsciiToUpperTable[256];
extern unsigned char IntToHexChar[];
//-----------------------------------------------------------------------------
// GetLastError/SetLastError support for non-Windows platform
#ifndef PLATFORM_WINDOWS
int GetLastError();
void SetLastError(int nError);
#endif // PLATFORM_WINDOWS
//-----------------------------------------------------------------------------
// String manipulation
void CopyString(char * szTarget, const char * szSource, size_t cchLength);
void CopyString(wchar_t * szTarget, const char * szSource, size_t cchLength);
void CopyString(char * szTarget, const wchar_t * szSource, size_t cchLength);
char * NewStr(const char * szString, size_t nCharsToReserve);
wchar_t * NewStr(const wchar_t * szString, size_t nCharsToReserve);
TCHAR * NewStrFromAnsi(LPBYTE pbStringBegin, LPBYTE pbStringEnd);
TCHAR * CombinePath(const TCHAR * szPath, const TCHAR * szSubDir);
void NormalizeFileName_UpperBkSlash(const char * szSrcFileName, char * szTrgFileName);
void NormalizeFileName_LowerSlash(char * szFileName);
int ConvertDigitToInt32(const TCHAR * szString, PDWORD PtrValue);
int ConvertStringToInt32(const TCHAR * szString, size_t nMaxDigits, PDWORD PtrValue);
char * StringFromBinary(LPBYTE pbBinary, size_t cbBinary, char * szBuffer);
//-----------------------------------------------------------------------------
// File name utilities
bool CheckWildCard(const char * szString, const char * szWildCard);
const wchar_t * GetPlainFileName(const wchar_t * szFileName);
const char * GetPlainFileName(const char * szFileName);
//-----------------------------------------------------------------------------
// Hashing functions
ULONGLONG HashStringJenkins(const char * szFileName);
bool IsValidMD5(LPBYTE pbMd5);
void CalculateDataBlockHash(void * pvDataBlock, DWORD cbDataBlock, LPBYTE md5_hash);
bool VerifyDataBlockHash(void * pvDataBlock, DWORD cbDataBlock, LPBYTE expected_md5);
//-----------------------------------------------------------------------------
// Scanning a directory
typedef bool (*INDEX_FILE_FOUND)(const TCHAR * szFileName, PDWORD IndexArray, PDWORD OldIndexArray, void * pvContext);
bool DirectoryExists(const TCHAR * szDirectory);
int ScanIndexDirectory(
const TCHAR * szIndexPath,
INDEX_FILE_FOUND pfnOnFileFound,
PDWORD IndexArray,
PDWORD OldIndexArray,
void * pvContext
);
#endif // __COMMON_H__
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