unalz/UnAlz.cpp
2020-05-05 20:22:33 +02:00

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This file contains ambiguous Unicode characters

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//#include "stdafx.h"
#include "zlib/zlib.h"
#include "bzip2/bzlib.h"
#include "UnAlz.h"
// mkdir
#ifdef _WIN32
# include <direct.h>
#else
# include <sys/stat.h>
#endif
#ifdef _UNALZ_ICONV // code page support
# include <iconv.h>
#endif
#ifdef __linux__ // __BYTE_ORDER °¡Á®¿À±â
# include <errno.h> // iconv.h ¶§¹®¿¡ ÇÊ¿ä
#endif
#define swapint64(Data) (INT64) ( (((Data)&0x00000000000000FFLL) << 56) | (((Data)&0x000000000000FF00LL) << 40) | (((Data)&0x0000000000FF0000LL) << 24) | (((Data)&0x00000000FF000000LL) << 8) | (((Data)&0x000000FF00000000LL) >> 8) | (((Data)&0x0000FF0000000000LL) >> 24) | (((Data)&0x00FF000000000000LL) >> 40) | (((Data)&0xFF00000000000000LL) >> 56) )
#define swapint32(a) ((((a)&0xff)<<24)+(((a>>8)&0xff)<<16)+(((a>>16)&0xff)<<8)+(((a>>24)&0xff)))
#define swapint16(a) (((a)&0xff)<<8)+(((a>>8)&0xff))
////////////////////////////////////////////////////////////////////////////
//// byte-order : little to host ////
////////////////////////////////////////////////////////////////////////////
#ifdef _WIN32 // little to little
inline UINT16 unalz_le16toh(UINT16 a){return a;}
inline UINT32 unalz_le32toh(UINT32 a){return a;}
inline UINT64 unalz_le64toh(UINT64 a){return a;}
#endif
#ifdef __FreeBSD__
# include <sys/endian.h>
inline UINT16 unalz_le16toh(UINT16 a){return le16toh(a);}
inline UINT32 unalz_le32toh(UINT32 a){return le32toh(a);}
inline UINT64 unalz_le64toh(UINT64 a){return le64toh(a);}
#endif
#ifdef __APPLE__
# include <machine/byte_order.h>
inline UINT16 unalz_le16toh(UINT16 a){return NXSwapShort(a);}
inline UINT32 unalz_le32toh(UINT32 a){return NXSwapLong(a);}
inline UINT64 unalz_le64toh(UINT64 a){return NXSwapLongLong(a);}
#endif
#ifdef __linux__
# include <endian.h>
# if __BYTE_ORDER == __BIG_ENDIAN
inline UINT16 unalz_le16toh(UINT16 a){return swapint16(a);}
inline UINT32 unalz_le32toh(UINT32 a){return swapint32(a);}
inline UINT64 unalz_le64toh(UINT64 a){return swapint64(a);}
# else // __LITTLE_ENDIAN
inline UINT16 unalz_le16toh(UINT16 a){return (a);}
inline UINT32 unalz_le32toh(UINT32 a){return (a);}
inline UINT64 unalz_le64toh(UINT64 a){return (a);}
# endif
//# include <asm/byteorder.h>
// inline UINT16 unalz_le16toh(UINT16 a){return le16_to_cpu(a);}
// inline UINT32 unalz_le32toh(UINT32 a){return le32_to_cpu(a);}
// inline UINT64 unalz_le64toh(UINT64 a){return le64_to_cpu(a);}
#endif
#ifndef MAX_PATH
# define MAX_PATH 260
#endif
#ifdef _WIN32
# define PATHSEP "\\"
# define PATHSEPC '\\'
#else
# define PATHSEP "/"
# define PATHSEPC '/'
#endif
// error string table <- CUnAlz::ERR ÀÇ ¹ø¿ª
static const char* errorstrtable[]=
{
"no error", // ERR_NOERR
"can't open file", // ERR_CANT_OPEN_FILE
"can't read signature", // ERR_CANT_READ_SIG
"can't read file", // ERR_CANT_READ_FILE
"error at read header", // ERR_AT_READ_HEADER
"invalid filename length", // ERR_INVALID_FILENAME_LENGTH
"invalid extrafield length", // ERR_INVALID_EXTRAFIELD_LENGTH,
"can't read central directory structure head", // ERR_CANT_READ_CENTRAL_DIRECTORY_STRUCTURE_HEAD,
"invalid filename size", // ERR_INVALID_FILENAME_SIZE,
"invalid extrafield size", // ERR_INVALID_EXTRAFIELD_SIZE,
"invalid filecomment size", // ERR_INVALID_FILECOMMENT_SIZE,
"cant' read header", // ERR_CANT_READ_HEADER,
"memory allocation failed", // ERR_MEM_ALLOC_FAILED,
"file read eror", // ERR_FILE_READ_ERROR,
"inflate failed", // ERR_INFLATE_FAILED,
"iconv-can't open iconv", // ERR_ICONV_CANT_OPEN,
"iconv-invalid multisequence of characters", // ERR_ICONV_INVALID_MULTISEQUENCE_OF_CHARACTERS,
"iconv-incomplete multibyte sequence", // ERR_ICONV_INCOMPLETE_MULTIBYTE_SEQUENCE,
"iconv-not enough space of buffer to convert", // ERR_ICONV_NOT_ENOUGH_SPACE_OF_BUFFER_TO_CONVERT,
"iconv-etc", // ERR_ICONV_ETC,
};
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ctor
/// @date 2004-03-06 ¿ÀÈÄ 11:19:49
////////////////////////////////////////////////////////////////////////////////////////////////////
CUnAlz::CUnAlz()
{
memset(m_files, 0, sizeof(m_files));
m_nErr = ERR_NOERR;
m_posCur = (FileList::iterator)NULL;
m_pFuncCallBack = NULL;
m_pCallbackParam = NULL;
m_bHalt = FALSE;
m_nFileCount = 0;
m_nCurFile = -1;
m_nVirtualFilePos = 0;
m_nCurFilePos = 0;
m_bIsEOF = FALSE;
#ifdef _UNALZ_ICONV
#ifdef _UNALZ_UTF8
strcpy(m_szToCodepage, "UTF-8") ; // ±âº»ÀûÀ¸·Î utf-8
#else
strcpy(m_szToCodepage, "CP949") ; // ±âº»ÀûÀ¸·Î CP949
#endif // _UNALZ_UTF8
strcpy(m_szFromCodepage, "CP949"); // alz ´Â 949 ¸¸ Áö¿ø
#endif // _UNALZ_ICONV
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// dtor
/// @date 2004-03-06 ¿ÀÈÄ 11:19:52
////////////////////////////////////////////////////////////////////////////////////////////////////
CUnAlz::~CUnAlz()
{
Close();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// progress callback func setting
/// @date 2004-03-01 ¿ÀÀü 6:02:05
////////////////////////////////////////////////////////////////////////////////////////////////////
void CUnAlz::SetCallback(_UnAlzCallback* pFunc, void* param)
{
m_pFuncCallBack = pFunc;
m_pCallbackParam = param;
}
#ifdef _WIN32
#ifndef __GNUWIN32__
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ ¿­±â
/// @param szPathName
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:03:59
////////////////////////////////////////////////////////////////////////////////////////////////////
#include <atlbase.h>
#include <atlconv.h>
BOOL CUnAlz::Open(LPCWSTR szPathName)
{
USES_CONVERSION;
return Open(W2A(szPathName));
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ´ë»ó ÆÄÀÏ ¼¼ÆÃÇϱâ.
/// @param szFileName
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:06:20
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::SetCurrentFile(LPCWSTR szFileName)
{
USES_CONVERSION;
return SetCurrentFile(W2A(szFileName));
}
BOOL CUnAlz::IsFolder(LPCWSTR szPathName)
{
UINT32 dwRet;
dwRet = GetFileAttributesW(szPathName);
if(dwRet==0xffffffff) return FALSE;
if(dwRet & FILE_ATTRIBUTE_DIRECTORY) return TRUE;
return FALSE;
}
#endif // __GNUWIN32__
#endif // _WIN32
BOOL CUnAlz::Open(const char* szPathName)
{
if(FOpen(szPathName)==FALSE)
{
m_nErr = ERR_CANT_OPEN_FILE;
return FALSE;
}
// file ºÐ¼®½ÃÀÛ..
for(;;)
{
SIGNATURE sig;
BOOL ret;
if(FEof()) break;
//int pos = ftell(m_fp);
sig = ReadSignature();
if(sig==SIG_EOF)
{
break;
}
if(sig==SIG_ERROR)
{
return FALSE; // ±úÁø ÆÄÀÏ..
}
if(sig==SIG_ALZ_FILE_HEADER) ret = ReadAlzFileHeader();
else if(sig==SIG_LOCAL_FILE_HEADER) ret = ReadLocalFileheader();
else if(sig==SIG_CENTRAL_DIRECTORY_STRUCTURE) ret = ReadCentralDirectoryStructure();
else if(sig==SIG_ENDOF_CENTRAL_DIRECTORY_RECORD) ret = ReadEndofCentralDirectoryRecord();
else
{
// ¹Ì±¸ÇöµÈ signature
ASSERT(0);
return FALSE;
}
if(ret==FALSE)
{
return FALSE;
}
if(FEof()) break;
}
return TRUE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ ´Ý±â..
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:04:21
////////////////////////////////////////////////////////////////////////////////////////////////////
void CUnAlz::Close()
{
FClose();
// ¸ñ·Ï ³¯¸®±â..
FileList::iterator i;
for(i=m_fileList.begin(); i<m_fileList.end(); i++)
{
i->Clear();
}
m_posCur = (FileList::iterator)NULL;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// FILE ³»ÀÇ SIGNATURE Àбâ
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:04:47
////////////////////////////////////////////////////////////////////////////////////////////////////
CUnAlz::SIGNATURE CUnAlz::ReadSignature()
{
UINT32 dwSig;
if(FRead(&dwSig, sizeof(dwSig))==FALSE)
{
//int pos = ftell(m_fp);
if(FEof())
return SIG_EOF;
m_nErr = ERR_CANT_READ_SIG;
return SIG_ERROR;
}
return (SIGNATURE)unalz_le32toh(dwSig); // little to host;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ALZ HEADER SIGNATURE Àбâ
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:05:11
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ReadAlzFileHeader()
{
SAlzHeader header;
if(FRead(&header, sizeof(header))==FALSE)
{
ASSERT(0);
m_nErr = ERR_CANT_READ_FILE;
return FALSE;
}
return TRUE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// °¢°¢ÀÇ ÆÄÀÏ Çì´õ Àбâ
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:05:18
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ReadLocalFileheader()
{
SLocalFileHeader zipHeader;
int ret;
ret = FRead(&(zipHeader.head), sizeof(zipHeader.head));
if(ret==FALSE)
{
m_nErr = ERR_AT_READ_HEADER;
return FALSE;
}
// ALZ È®Àå..
int byteLen = zipHeader.head.fileSizeByte/0x10;
if(byteLen)
{
FRead(&(zipHeader.compressionMethod), sizeof(zipHeader.compressionMethod));
FRead(&(zipHeader.unknown3), sizeof(zipHeader.unknown3));
FRead(&(zipHeader.maybeCRC), sizeof(zipHeader.maybeCRC));
FRead(&(zipHeader.compressedSize), byteLen);
FRead(&(zipHeader.uncompressedSize), byteLen); // ¾ÐÃà »çÀÌÁî°¡ ¾ø´Ù.
}
// little to system
zipHeader.head.fileNameLength = unalz_le16toh(zipHeader.head.fileNameLength);
zipHeader.compressedSize = unalz_le64toh(zipHeader.compressedSize);
zipHeader.uncompressedSize = unalz_le64toh(zipHeader.uncompressedSize);
// FILE NAME
zipHeader.fileName = (char*)malloc(zipHeader.head.fileNameLength+1);
if(zipHeader.fileName==NULL)
{
m_nErr = ERR_INVALID_FILENAME_LENGTH;
return FALSE;
}
FRead(zipHeader.fileName, zipHeader.head.fileNameLength);
zipHeader.fileName[zipHeader.head.fileNameLength] = (CHAR)NULL;
#ifdef _UNALZ_ICONV // codepage convert
if(strlen(m_szToCodepage))
{
#define ICONV_BUF_SIZE (260*6) // utf8 Àº ÃÖ´ë 6byte
size_t ileft, oleft;
iconv_t cd;
size_t iconv_result;
size_t size;
char inbuf[ICONV_BUF_SIZE];
char outbuf[ICONV_BUF_SIZE];
#ifdef __FreeBSD__
const char *inptr = inbuf;
#else
char *inptr = inbuf;
#endif
char *outptr = outbuf;
size = strlen(zipHeader.fileName)+1;
strncpy(inbuf, zipHeader.fileName, size);
ileft = size;
oleft = sizeof(outbuf);
cd = iconv_open(m_szToCodepage, m_szFromCodepage); // º¸Åë "CP949" ¿¡¼­ "UTF-8" ·Î
iconv(cd, NULL, NULL, NULL, NULL);
if( cd == (iconv_t)(-1))
{
m_nErr = ERR_ICONV_CANT_OPEN; // printf("Converting Error : Cannot open iconv");
return FALSE;
}
else
{
iconv_result = iconv(cd, &inptr, &ileft, &outptr, &oleft);
if(iconv_result== (size_t)(-1)) // iconv ½ÇÆÐ..
{
if (errno == EILSEQ)
m_nErr = ERR_ICONV_INVALID_MULTISEQUENCE_OF_CHARACTERS; // printf("Invalid Multibyte Sequence of Characters");
else if (errno == EINVAL)
m_nErr = ERR_ICONV_INCOMPLETE_MULTIBYTE_SEQUENCE; //printf("Incomplete multibyte sequence");
else if (errno != E2BIG)
m_nErr = ERR_ICONV_NOT_ENOUGH_SPACE_OF_BUFFER_TO_CONVERT; // printf("Not enough space of buffer to convert");
else
m_nErr = ERR_ICONV_ETC;
iconv_close(cd);
return FALSE;
}
else
{
outbuf[ICONV_BUF_SIZE-oleft] = 0;
strcpy(zipHeader.fileName, outbuf);
// printf("\n Converted File Name : %s", outbuf);
}
iconv_close(cd);
}
}
#endif
/*
// EXTRA FIELD LENGTH
if(zipHeader.head.extraFieldLength)
{
zipHeader.extraField = (BYTE*)malloc(zipHeader.head.extraFieldLength);
if(zipHeader.extraField==NULL)
{
m_nErr = ERR_INVALID_EXTRAFIELD_LENGTH;
return FALSE;
}
FRead(zipHeader.extraField, 1, zipHeader.head.extraFieldLength);
}
*/
// SKIP FILE DATA
zipHeader.dwFileDataPos = FTell(); // data ÀÇ À§Ä¡ ÀúÀåÇϱâ..
FSeek(FTell()+zipHeader.compressedSize);
// DATA DESCRIPTOR
/*
if(zipHeader.head.generalPurposeBitFlag.bit1)
{
FRead(zipHeader.extraField, 1, sizeof(zipHeader.extraField),);
}
*/
#ifdef _DEBUG
printf("NAME:%s COMPRESSED SIZE:%d UNCOMPRESSED SIZE:%d COMP METHOD:%d\n",
zipHeader.fileName,
zipHeader.compressedSize,
zipHeader.uncompressedSize,
zipHeader.compressionMethod
);
#endif
// ÆÄÀÏÀ» ¸ñ·Ï¿¡ Ãß°¡ÇÑ´Ù..
m_fileList.push_back(zipHeader);
return TRUE;
}
BOOL CUnAlz::ReadCentralDirectoryStructure()
{
SCentralDirectoryStructure header;
if(FRead(&header, sizeof(header.head))==FALSE)
{
m_nErr = ERR_CANT_READ_CENTRAL_DIRECTORY_STRUCTURE_HEAD;
return FALSE;
}
/*
// read file name
if(header.head.fileNameLength)
{
header.fileName = (char*)malloc(header.head.fileNameLength+1);
if(header.fileName==NULL)
{
m_nErr = ERR_INVALID_FILENAME_SIZE;
return FALSE;
}
FRead(header.fileName, 1, header.head.fileNameLength, m_fp);
header.fileName[header.head.fileNameLength] = NULL;
}
// extra field;
if(header.head.extraFieldLength)
{
header.extraField = (BYTE*)malloc(header.head.extraFieldLength);
if(header.extraField==NULL)
{
m_nErr = ERR_INVALID_EXTRAFIELD_SIZE;
return FALSE;
}
FRead(header.extraField, 1, header.head.extraFieldLength, m_fp);
}
// file comment;
if(header.head.fileCommentLength)
{
header.fileComment = (char*)malloc(header.head.fileCommentLength+1);
if(header.fileComment==NULL)
{
m_nErr = ERR_INVALID_FILECOMMENT_SIZE;
return FALSE;
}
FRead(header.fileComment, 1, header.head.fileCommentLength, m_fp);
header.fileComment[header.head.fileCommentLength] = NULL;
}
*/
return TRUE;
}
BOOL CUnAlz::ReadEndofCentralDirectoryRecord()
{
/*
SEndOfCentralDirectoryRecord header;
if(FRead(&header, sizeof(header.head), 1, m_fp)!=1)
{
m_nErr = ERR_CANT_READ_HEADER;
return FALSE;
}
if(header.head.zipFileCommentLength)
{
header.fileComment = (char*)malloc(header.head.zipFileCommentLength+1);
if(header.fileComment==NULL)
{
m_nErr = ERR_INVALID_FILECOMMENT_SIZE;
return FALSE;
}
FRead(header.fileComment, 1, header.head.zipFileCommentLength, m_fp);
header.fileComment[header.head.zipFileCommentLength] = NULL;
}
*/
return TRUE;
}
BOOL CUnAlz::SetCurrentFile(const char* szFileName)
{
FileList::iterator i;
// ¼øÂ÷ÀûÀ¸·Î ã´Â´Ù.
for(i=m_fileList.begin(); i<m_fileList.end(); i++)
{
#ifdef _WIN32
if(stricmp(i->fileName, szFileName)==0)
#else
if(strcmp(i->fileName, szFileName)==0)
#endif
{
m_posCur = i;
return TRUE;
}
}
m_posCur = (FileList::iterator)NULL;
return FALSE;
}
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ¹öÆÛ¿¡ ¾ÐÃà Ç®±â. ¹öÆÛ´Â ´ç±Ù ÃæºÐÇÑ Å©±â°¡ ÁغñµÇ¾î ÀÖ¾î¾ß ÇÑ´Ù.
/// @param pDestBuf
/// @return
/// @date 2004-03-07 ¿ÀÀü 12:26:13
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ExtractCurrentFileToBuf(BYTE* pDestBuf, int nBufSize)
{
SExtractDest dest;
dest.nType = ET_MEM;
dest.buf = pDestBuf;
dest.bufpos = 0;
dest.bufsize = nBufSize;
return ExtractTo(&dest);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÇöÀç ÆÄÀÏ (SetCurrentFile·Î Áö)À» ´ë»ó °æ·Î¿¡ ´ë»ó ÆÄÀϷΠǬ´Ù.
/// @param szDestPathName - ´ë»ó °æ·Î
/// @param szDestFileName - ´ë»ó ÆÄÀϸí, NULL ÀÌ¸é ¿ø·¡ ÆÄÀÏ¸í »ç¿ë
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:06:59
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ExtractCurrentFile(const char* szDestPathName, const char* szDestFileName)
{
if(m_posCur==(FileList::iterator)NULL) {ASSERT(0); return FALSE;}
BOOL ret=FALSE;
SExtractDest dest;
char szDestPathFileName[MAX_PATH];
// °æ·Î¸í
strcpy(szDestPathFileName, szDestPathName);
if(szDestPathFileName[strlen(szDestPathFileName)]!=PATHSEPC)
strcat(szDestPathFileName, PATHSEP);
// ÆÄÀϸí
if(szDestFileName) strcat(szDestPathFileName, szDestFileName);
else strcat(szDestPathFileName, m_posCur->fileName);
#ifndef _WIN32
{
char* p = szDestPathFileName; // °æ·Î delimiter ¹Ù²Ù±â
while(*p)
{
if(*p=='\\') *p='/';
p++;
}
}
#endif
// ¾ÐÃàÇ® ´ë»ó ( ÆÄÀÏ )
dest.nType = ET_FILE;
dest.fp = fopen(szDestPathFileName, "wb");
if(dest.fp==NULL)
{
DigPath(szDestPathFileName); // °æ·Î¸í¿¡ / °¡ ÀÖÀ» °æ¿ì..
dest.fp = fopen(szDestPathFileName, "wb");
}
#ifdef _WIN32
if(dest.fp==NULL)
{
ASSERT(0);
if(m_pFuncCallBack)
{
CHAR buf[1024];
sprintf(buf, "ÆÄÀÏ ¿­±â ½ÇÆÐ : %s", szDestPathFileName);
m_pFuncCallBack(buf, 0,0,m_pCallbackParam, NULL);
}
return FALSE;
}
#endif
// CALLBACK ¼¼ÆÃ
if(m_pFuncCallBack) m_pFuncCallBack(m_posCur->fileName, 0,m_posCur->uncompressedSize,m_pCallbackParam, NULL);
ret = ExtractTo(&dest);
if(dest.fp!=NULL)fclose(dest.fp);
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ´ë»ó¿¡ ¾ÐÃà Ç®±â..
/// @param dest
/// @return
/// @date 2004-03-07 ¿ÀÀü 12:44:36
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ExtractTo(SExtractDest* dest)
{
BOOL ret = FALSE;
// ¾ÐÃà ¹æ¹ý¿¡ µû¶ó¼­ ¾ÐÃà Ç®±â
if(m_posCur->compressionMethod==COMP_NOCOMP)
{
ret = ExtractRawfile(dest, *m_posCur);
}
else if(m_posCur->compressionMethod==COMP_BZIP2)
{
ret = ExtractBzip2(dest, *m_posCur); // bzip2
}
else if(m_posCur->compressionMethod==COMP_DEFLATE)
{
ret = ExtractDeflate2(dest, *m_posCur); // deflate
}
else
{
ASSERT(0); // »õ·Î¿î ¹æ¹ý ???
ret = FALSE;
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// DEFLATE ·Î Ç®±â - Å×½ºÆ®¿ë ÇÔ¼ö. ¸ðµç ÆÄÀÏÀ» ÇѲ¨¹ø¿¡ Àо Ǭ´Ù. ½ÇÁ¦ »ç¿ë ¾ÈÇÔ.
/// @param fp - ´ë»ó ÆÄÀÏ
/// @param file - ¼Ò½º ÆÄÀÏ Á¤º¸
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:09:17
////////////////////////////////////////////////////////////////////////////////////////////////////
/*
BOOL CUnAlz::ExtractDeflate(FILE* fp, SLocalFileHeader& file)
{
z_stream stream;
BYTE* pInBuf=NULL;
BYTE* pOutBuf=NULL;
int nInBufSize = file.compressedSize;
int nOutBufSize = file.uncompressedSize;
int err;
int flush=Z_SYNC_FLUSH;
BOOL ret = FALSE;
memset(&stream, 0, sizeof(stream));
pInBuf = (BYTE*)malloc(nInBufSize);
if(pInBuf==NULL)
{
m_nErr = ERR_MEM_ALLOC_FAILED;
goto END;
}
pOutBuf = (BYTE*)malloc(nOutBufSize);
if(pOutBuf==NULL)
{
m_nErr = ERR_MEM_ALLOC_FAILED;
goto END;
}
// Çѹø¿¡ Àо
fseek(m_fp, file.dwFileDataPos, SEEK_SET);
if(FRead(pInBuf, nInBufSize, 1, m_fp)!=1)
{
m_nErr = ERR_FILE_READ_ERROR;
goto END;
}
// ÃʱâÈ­..
inflateInit2(&stream, -MAX_WBITS);
stream.next_out = pOutBuf;
stream.avail_out = nOutBufSize;
stream.next_in = pInBuf;
stream.avail_in = nInBufSize;
err = inflate(&stream, flush);
if(err!=Z_OK && err!=Z_STREAM_END )
{
m_nErr = ERR_INFLATE_FAILED;
goto END;
}
fwrite(pOutBuf, 1, nOutBufSize, fp);
ret = TRUE;
END :
inflateEnd(&stream);
if(pInBuf) free(pInBuf);
if(pOutBuf) free(pOutBuf);
return ret;
}
*/
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ´ë»ó Æú´õ¿¡ ÇöÀç ¾ÐÃàÆÄÀÏÀ» ÀüºÎ Ç®±â
/// @param szDestPathName - ´ë»ó °æ·Î
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:09:49
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ExtractAll(const char* szDestPathName)
{
FileList::iterator i;
for(i=m_fileList.begin(); i<m_fileList.end(); i++)
{
m_posCur = i;
ExtractCurrentFile(szDestPathName);
if(m_bHalt)
break; // ¸ØÃß±â..
}
return TRUE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ´ë»ó °æ·Î Æıâ - ¾ÐÃà ÆÄÀÏ ³»¿¡ Æú´õ Á¤º¸°¡ ÀÖÀ» °æ¿ì, ´ÙÁß Æú´õ¸¦ ÆÇ´Ù(dig)
/// @param szPathName
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:10:12
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::DigPath(const char* szPathName)
{
char* dup = strdup(szPathName);
char seps[] = "/\\";
char *token;
char path[MAX_PATH] = {0};
char* last;
// °æ·Î¸¸ »Ì±â.
last = dup + strlen(dup);
while(last!=dup)
{
if(*last=='/' || *last=='\\')
{
*last = (char)NULL;
break;
}
last --;
}
token = strtok( dup, seps );
while( token != NULL )
{
if(strlen(path)==0)
strcpy(path, token);
else
{
strcat(path, PATHSEP);
strcat(path, token);
}
if(IsFolder(path)==FALSE)
#ifdef _WIN32
_mkdir(path);
#else
mkdir(path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
#endif
token = strtok( NULL, seps );
}
free(dup);
if(IsFolder(szPathName)) return TRUE;
return FALSE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Á¦´ë·ÎµÈ Æú´õ Àΰ¡?
/// @param szPathName
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:03:26
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::IsFolder(LPCSTR szPathName)
{
#ifdef _WIN32
UINT32 dwRet;
dwRet = GetFileAttributesA(szPathName);
if(dwRet==0xffffffff) return FALSE;
if(dwRet & FILE_ATTRIBUTE_DIRECTORY) return TRUE;
return FALSE;
#else
struct stat buf;
int result;
result = stat(szPathName, &buf);
if(result!=0) return FALSE;
//printf("isfolder:%s, %d,%d,%d\n", szPathName, buf.st_mode, S_IFDIR, buf.st_mode & S_IFDIR);
if(buf.st_mode & S_IFDIR) return TRUE;
return FALSE;
#endif
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ¾ÐÃàÀ» Ç® ´ë»ó¿¡ ¾ÐÃàÀ» Ǭ´Ù.
/// @param dest - ´ë»ó OBJECT
/// @param buf - Ç®¸° µ¥ÀÌŸ
/// @param nSize - µ¥ÀÌŸÀÇ Å©±â
/// @return ¾´ ¹ÙÀÌÆ®¼ö. ¿¡·¯½Ã -1 ¸®ÅÏ
/// @date 2004-03-07 ¿ÀÀü 12:37:41
////////////////////////////////////////////////////////////////////////////////////////////////////
int CUnAlz::WriteToDest(SExtractDest* dest, BYTE* buf, int nSize)
{
if(dest->nType==ET_FILE)
{
return fwrite(buf, 1, nSize, dest->fp);
}
else if(dest->nType==ET_MEM)
{
if(dest->bufpos+nSize >dest->bufsize) // ¿¡·¯.. ¹öÆÛ°¡ ³ÑÃÆ´Ù.
{
ASSERT(0);
return -1;
}
// memcpy
memcpy(dest->buf + dest->bufpos, buf, nSize);
dest->bufpos += nSize;
return nSize;
}
else
{
ASSERT(0);
}
return -1;
}
/* ½ÇÆÐÇÑ ¹æ¹ý.. °í»ýÇÑ°Ô ¾Æ±î¿ö¼­ ¸øÁö¿ò.
#define ALZDLZ_HEADER_SIZE 4 // alz ÆÄÀÏÀÇ bzip2 Çì´õ Å©±â
#define BZIP2_HEADER_SIZE 10 // bzip ÆÄÀÏÀÇ Çì´õ Å©±â
#define BZIP2_CRC_SIZE 4 // bzip2 ÀÇ crc
#define BZIP2_TAIL_SIZE 10 // ´ëÃæ 4+5 Á¤µµ.?
BYTE bzip2Header[BZIP2_HEADER_SIZE] = {0x42, 0x5a, 0x68, 0x39, 0x31, 0x41, 0x59, 0x26, 0x53, 0x59};
BOOL CUnAlz::ExtractBzip2_bak(FILE* fp, SLocalFileHeader& file)
{
bz_stream stream;
BYTE* pInBuf=NULL;
BYTE* pOutBuf=NULL;
int nInBufSize = file.compressedSize;
int nOutBufSize = file.uncompressedSize;
//int err;
int flush=Z_SYNC_FLUSH;
BOOL ret = FALSE;
UINT32 crc = 0xffffffff;
//BYTE temp[100];
memset(&stream, 0, sizeof(stream));
pInBuf = (BYTE*)malloc(nInBufSize + BZIP2_HEADER_SIZE + BZIP2_CRC_SIZE - ALZDLZ_HEADER_SIZE + BZIP2_TAIL_SIZE);
if(pInBuf==NULL)
{
m_nErr = ERR_MEM_ALLOC_FAILED;
goto END;
}
pOutBuf = (BYTE*)malloc(nOutBufSize);
if(pOutBuf==NULL)
{
m_nErr = ERR_MEM_ALLOC_FAILED;
goto END;
}
// ALZ ÀÇ BZIP Çì´õ ("DLZ.") ½ºÅµÇϱâ.
fseek(m_fp, ALZDLZ_HEADER_SIZE, SEEK_CUR);
// BZIP2 Çì´õ »ðÀÔ
memcpy(pInBuf, bzip2Header, BZIP2_HEADER_SIZE);
// BZIP2 CRC
memcpy(pInBuf+BZIP2_HEADER_SIZE, &(crc), BZIP2_CRC_SIZE);
// ÁøÂ¥ ¾ÐÃàµÈ µ¥ÀÌŸ¸¦ Çѹø¿¡ Àо
fseek(m_fp, file.dwFileDataPos+ALZDLZ_HEADER_SIZE, SEEK_SET);
if(FRead(pInBuf+BZIP2_HEADER_SIZE+BZIP2_CRC_SIZE, nInBufSize-ALZDLZ_HEADER_SIZE, 1, m_fp)!=1)
{
m_nErr = ERR_FILE_READ_ERROR;
goto END;
}
// ÃʱâÈ­..
stream.bzalloc = NULL;
stream.bzfree = NULL;
stream.opaque = NULL;
ret = BZ2_bzDecompressInit ( &stream, 3,0 );
if (ret != BZ_OK) goto END;
//memcpy(temp, pInBuf, 100);
stream.next_in = (char*)pInBuf;
stream.next_out = (char*)pOutBuf;
stream.avail_in = nInBufSize+BZIP2_HEADER_SIZE+BZIP2_CRC_SIZE+BZIP2_TAIL_SIZE;
stream.avail_out = nOutBufSize;
ret = BZ2_bzDecompress ( &stream );
// BZ_DATA_ERROR °¡ ¸®Å쵃 ¼ö ÀÖ´Ù..
//if (ret == BZ_OK) goto END;
//if (ret != BZ_STREAM_END) goto END;
BZ2_bzDecompressEnd(&stream);
fwrite(pOutBuf, 1, nOutBufSize, fp);
ret = TRUE;
END :
if(pInBuf) free(pInBuf);
if(pOutBuf) free(pOutBuf);
if(ret==FALSE) BZ2_bzDecompressEnd(&stream);
return ret;
}
*/
////////////////////////////////////////////////////////////////////////////////////////////////////
/// RAW ·Î ¾ÐÃàµÈ ÆÄÀÏ Ç®±â
/// @param fp - ´ë»ó ÆÄÀÏ
/// @param file - ¼Ò½º ÆÄÀÏ
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:10:53
////////////////////////////////////////////////////////////////////////////////////////////////////
#define BUF_LEN (4096*2)
BOOL CUnAlz::ExtractRawfile(SExtractDest* dest, SLocalFileHeader& file)
{
BOOL ret = FALSE;
BYTE buf[BUF_LEN];
INT64 read;
INT64 sizeToRead;
INT64 bufLen = BUF_LEN;
INT64 nWritten = 0;
BOOL bHalt = FALSE;
// À§Ä¡ Àâ°í.
FSeek(file.dwFileDataPos);
sizeToRead = file.compressedSize; // ÀÐÀ» Å©±â.
while(sizeToRead)
{
read = min(sizeToRead, bufLen);
if(FRead(buf, (int)read)==FALSE)
{
break;
}
WriteToDest(dest, buf, (int)read);
//fwrite(buf, read, 1, fp);
sizeToRead -= read;
nWritten+=read;
// progress callback
if(m_pFuncCallBack)
{
m_pFuncCallBack(NULL, nWritten, file.uncompressedSize, m_pCallbackParam, &bHalt);
if(bHalt)
{
break;
}
}
}
m_bHalt = bHalt;
ret = TRUE;
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// BZIP2 ¾ÐÃà Ç®±â..
/// @param fp_w - ´ë»ó ÆÄÀÏ
/// @param file - ¼Ò½º ÆÄÀÏ Á¤º¸
/// @return
/// @date 2004-03-01 ¿ÀÀü 5:47:36
////////////////////////////////////////////////////////////////////////////////////////////////////
#define BZIP2_EXTRACT_BUF_SIZE 0x2000
BOOL CUnAlz::ExtractBzip2(SExtractDest* dest, SLocalFileHeader& file)
{
BZFILE *bzfp = NULL;
int smallMode = 0;
int verbosity = 1;
int bzerr;
INT64 len;
char buff[BZIP2_EXTRACT_BUF_SIZE];
INT64 nWritten = 0;
BOOL bHalt = FALSE;
FSeek(file.dwFileDataPos);
bzfp = BZ2_bzReadOpen(&bzerr,this,verbosity,smallMode,0,0);
if(bzfp==NULL){ASSERT(0); return FALSE;}
while((len=BZ2_bzread(bzfp,buff,BZIP2_EXTRACT_BUF_SIZE))>0)
{
WriteToDest(dest, (BYTE*)buff, (int)len);
//fwrite(buff,1,len,fp_w);
nWritten+=len;
// progress callback
if(m_pFuncCallBack)
{
m_pFuncCallBack(NULL, nWritten, file.uncompressedSize, m_pCallbackParam, &bHalt);
if(bHalt)
{
break;
}
}
}
BZ2_bzReadClose( &bzerr, bzfp);
m_bHalt = bHalt;
/*
// FILE* ¸¦ »ç¿ëÇÒ°æ¿ì »ç¿ëÇÏ´ø ÄÚµå. - ¸ÖƼ º¼·ý Áö¿ø ¾ÈÇÔ..
BZFILE *bzfp = NULL;
int smallMode = 0;
int verbosity = 1;
int bzerr;
int len;
char buff[BZIP2_EXTRACT_BUF_SIZE];
INT64 nWritten = 0;
BOOL bHalt = FALSE;
FSeek(file.dwFileDataPos, SEEK_SET);
bzfp = BZ2_bzReadOpen(&bzerr,m_fp,verbosity,smallMode,0,0);
while((len=BZ2_bzread(bzfp,buff,BZIP2_EXTRACT_BUF_SIZE))>0)
{
WriteToDest(dest, (BYTE*)buff, len);
//fwrite(buff,1,len,fp_w);
nWritten+=len;
// progress callback
if(m_pFuncCallBack)
{
m_pFuncCallBack(NULL, nWritten, file.uncompressedSize, m_pCallbackParam, &bHalt);
if(bHalt)
{
break;
}
}
}
BZ2_bzReadClose( &bzerr, bzfp);
m_bHalt = bHalt;
*/
return TRUE;
}
#ifndef UNZ_BUFSIZE
#define UNZ_BUFSIZE 0x1000 // (16384)
#endif
#define IN_BUF_SIZE UNZ_BUFSIZE
#define OUT_BUF_SIZE 0x1000 //IN_BUF_SIZE
////////////////////////////////////////////////////////////////////////////////////////////////////
/// deflate ·Î ¾ÐÃà Ç®±â. ExtractDeflate() ¿Í ´Þ¸® Á¶±Ý¾¿ Àо Ǭ´Ù.
/// @param fp
/// @param file
/// @return
/// @date 2004-03-06 ¿ÀÈÄ 11:11:36
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::ExtractDeflate2(SExtractDest* dest, SLocalFileHeader& file)
{
z_stream stream;
BYTE pInBuf[IN_BUF_SIZE];
BYTE pOutBuf[OUT_BUF_SIZE];
int nInBufSize = IN_BUF_SIZE;
int nOutBufSize = OUT_BUF_SIZE;
int err;
int flush=Z_SYNC_FLUSH;
BOOL ret = FALSE;
INT64 nRestReadCompressed;
UINT32 dwCRC32= 0;
INT64 rest_read_uncompressed;
UINT iRead = 0;
INT64 nWritten = 0;
BOOL bHalt = FALSE;
memset(&stream, 0, sizeof(stream));
FSeek(file.dwFileDataPos);
inflateInit2(&stream, -MAX_WBITS);
nRestReadCompressed = file.compressedSize;
rest_read_uncompressed = file.uncompressedSize;
// Ãâ·Â ºÎºÐ.
stream.next_out = pOutBuf;
stream.avail_out = OUT_BUF_SIZE;
while(stream.avail_out>0)
{
if(stream.avail_in==0 && nRestReadCompressed>0)
{
UINT uReadThis = UNZ_BUFSIZE;
if (nRestReadCompressed<(int)uReadThis)
uReadThis = (UINT)nRestReadCompressed; // ÀÐÀ» Å©±â.
if (uReadThis == 0)
break; // ÁßÁö
if(FRead(pInBuf, uReadThis)==FALSE)
{
m_nErr = ERR_CANT_READ_FILE;
goto END;
}
nRestReadCompressed -= uReadThis;
stream.next_in = pInBuf;
stream.avail_in = uReadThis;
}
UINT uTotalOutBefore,uTotalOutAfter;
const BYTE *bufBefore;
UINT uOutThis;
int flush=Z_SYNC_FLUSH;
uTotalOutBefore = stream.total_out;
bufBefore = stream.next_out;
err=inflate(&stream,flush);
uTotalOutAfter = stream.total_out;
uOutThis = uTotalOutAfter-uTotalOutBefore;
dwCRC32 = crc32(dwCRC32,bufBefore, (UINT)(uOutThis));
rest_read_uncompressed -= uOutThis;
iRead += (UINT)(uTotalOutAfter - uTotalOutBefore);
WriteToDest(dest, pOutBuf, uOutThis);
//fwrite(pOutBuf, uOutThis, 1, fp); // file ¿¡ ¾²±â.
stream.next_out = pOutBuf;
stream.avail_out = OUT_BUF_SIZE;
nWritten+=uOutThis;
// progress callback
if(m_pFuncCallBack)
{
m_pFuncCallBack(NULL, nWritten, file.uncompressedSize, m_pCallbackParam, &bHalt);
if(bHalt)
{
break;
}
}
if (err==Z_STREAM_END)
break;
//if(iRead==0) break; // UNZ_EOF;
if (err!=Z_OK)
{
m_nErr = ERR_INFLATE_FAILED;
goto END;
}
}
m_bHalt = bHalt;
ret = TRUE;
END :
inflateEnd(&stream);
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ ¿­±â
/// @param szPathName
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:47:14
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::FOpen(const char* szPathName)
{
char* temp = strdup(szPathName); // ÆÄÀÏ¸í º¹»ç..
int i;
int nLen = strlen(szPathName);
UINT64 nFileSizeLow;
UINT32 dwFileSizeHigh;
m_nFileCount = 0;
m_nCurFile = 0;
m_nVirtualFilePos = 0;
m_nCurFilePos = 0;
m_bIsEOF = FALSE;
for(i=0;i<MAX_FILES;i++) // aa.alz ÆÄÀϸíÀ» °¡Áö°í aa.a00 aa.a01 aa.a02 .. ¸¸µé±â
{
if(i>0) sprintf(temp+nLen-3, "%c%02d", (i-1)/100+'a', (i-1)%100);
#ifdef _WIN32
m_files[i].fp = CreateFileA(temp, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if(m_files[i].fp==INVALID_HANDLE_VALUE) break;
nFileSizeLow = GetFileSize(m_files[i].fp, (DWORD*)&dwFileSizeHigh);
#else
m_files[i].fp = fopen(temp, "rb");
if(m_files[i].fp==NULL) break;
dwFileSizeHigh=0;
fseek(m_files[i].fp,0,SEEK_END);
nFileSizeLow=ftell(m_files[i].fp);
fseek(m_files[i].fp,0,SEEK_SET);
#endif
m_nFileCount++;
m_files[i].nFileSize = ((INT64)nFileSizeLow) + (((INT64)dwFileSizeHigh)<<32);
if(i==0) m_files[i].nMultivolHeaderSize = 0;
else m_files[i].nMultivolHeaderSize = MULTIVOL_HEAD_SIZE;
m_files[i].nMultivolTailSize = MULTIVOL_TAIL_SIZE;
}
free(temp);
if(m_nFileCount==0) return FALSE;
m_files[m_nFileCount-1].nMultivolTailSize = 0; // ¸¶Áö¸· ÆÄÀÏÀº ²Ã¶ûÁö°¡ ¾ø´Ù..
return TRUE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ ´Ý±â
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:48:53
////////////////////////////////////////////////////////////////////////////////////////////////////
void CUnAlz::FClose()
{
int i;
#ifdef _WIN32
for(i=0;i<m_nFileCount;i++) CloseHandle(m_files[i].fp);
#else
for(i=0;i<m_nFileCount;i++) fclose(m_files[i].fp);
#endif
memset(m_files, 0, sizeof(m_files));
m_nFileCount = 0;
m_nCurFile = -1;
m_nVirtualFilePos = 0;
m_nCurFilePos = 0;
m_bIsEOF = FALSE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏÀÇ ³¡Àΰ¡?
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:48:21
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::FEof()
{
return m_bIsEOF;
/*
if(m_fp==NULL){ASSERT(0); return TRUE;}
if(feof(m_fp)) return TRUE;
return FALSE;
*/
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÇöÀç ÆÄÀÏ À§Ä¡
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:50:50
////////////////////////////////////////////////////////////////////////////////////////////////////
INT64 CUnAlz::FTell()
{
return m_nVirtualFilePos; // return ftell(m_fp);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ À§Ä¡ ¼¼ÆÃ
/// @param offset
/// @param origin
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:51:53
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::FSeek(INT64 offset)
{
m_nVirtualFilePos = offset;
int i;
INT64 remain=offset;
LONG remainHigh;
m_bIsEOF = FALSE;
for(i=0;i<m_nFileCount;i++) // ¾Õ¿¡¼­ ·çÇÁ¸¦ µ¹¸é¼­ À§Ä¡ ¼±Á¤Çϱâ..
{
if(remain<=m_files[i].nFileSize-m_files[i].nMultivolHeaderSize-m_files[i].nMultivolTailSize)
{
m_nCurFile = i;
m_nCurFilePos = remain+m_files[i].nMultivolHeaderSize; // ¹°¸®Àû À§Ä¡.
remainHigh = (LONG)((m_nCurFilePos>>32)&0xffffffff);
#ifdef _WIN32
SetFilePointer(m_files[i].fp, LONG(m_nCurFilePos), &remainHigh, FILE_BEGIN);
#else
fseek(m_files[i].fp, m_nCurFilePos, SEEK_SET);
#endif
return TRUE;
}
remain -= (m_files[i].nFileSize-m_files[i].nMultivolHeaderSize-m_files[i].nMultivolTailSize);
}
// ½ÇÆÐ..?
ASSERT(0);
return FALSE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// ÆÄÀÏ Àбâ
/// @param buffer
/// @param size
/// @param count
/// @return
/// @date 2004-10-02 ¿ÀÈÄ 11:44:05
////////////////////////////////////////////////////////////////////////////////////////////////////
BOOL CUnAlz::FRead(void* buffer, UINT32 nBytesToRead, int* pTotRead )
{
BOOL ret;
UINT32 nNumOfBytesRead;
INT64 dwRemain;
UINT32 dwRead;
UINT32 dwTotRead;
dwRemain = nBytesToRead;
dwTotRead = 0;
if(pTotRead) *pTotRead=0;
while(dwRemain)
{
dwRead = (UINT32)min(dwRemain, (m_files[m_nCurFile].nFileSize-m_nCurFilePos-m_files[m_nCurFile].nMultivolTailSize));
if(dwRead==0) {
m_bIsEOF = TRUE;return FALSE;
}
#ifdef _WIN32
ret = ReadFile(m_files[m_nCurFile].fp, ((BYTE*)buffer)+dwTotRead, dwRead, (DWORD*)&nNumOfBytesRead, NULL);
if(ret==FALSE && GetLastError()==ERROR_HANDLE_EOF)
{
m_bIsEOF = TRUE;return FALSE;
}
#else
nNumOfBytesRead = fread(((BYTE*)buffer)+dwTotRead, 1,dwRead ,m_files[m_nCurFile].fp);
if(nNumOfBytesRead<=0)
{
m_bIsEOF = TRUE;return FALSE;
}
ret=TRUE;
#endif
if(dwRead!=nNumOfBytesRead) // ¹ß»ýÇÏ¸é ¾ÈµÈ´Ù..
{
ASSERT(0); return FALSE;
}
m_nVirtualFilePos += nNumOfBytesRead; // virtual ÆÄÀÏ À§Ä¡..
m_nCurFilePos+=nNumOfBytesRead; // ¹°¸®Àû ÆÄÀÏ À§Ä¡.
dwRemain-=nNumOfBytesRead;
dwTotRead+=nNumOfBytesRead;
if(pTotRead) *pTotRead=dwTotRead;
if(m_nCurFilePos==m_files[m_nCurFile].nFileSize-m_files[m_nCurFile].nMultivolTailSize) // overflow
{
m_nCurFile++;
#ifdef _WIN32
if(m_files[m_nCurFile].fp==INVALID_HANDLE_VALUE)
#else
if(m_files[m_nCurFile].fp==NULL)
#endif
{
m_bIsEOF = TRUE;
if(dwRemain==0) return TRUE; // ¿ÏÀüÈ÷ ³¡±îÁö Àоú´Ù..
return FALSE;
}
m_nCurFilePos = m_files[m_nCurFile].nMultivolHeaderSize; // header skip
#ifdef _WIN32
SetFilePointer(m_files[m_nCurFile].fp, (int)m_nCurFilePos, NULL, FILE_BEGIN);
#else
fseek(m_files[m_nCurFile].fp, m_nCurFilePos, SEEK_SET);
#endif
}
else
if(m_nCurFilePos>m_files[m_nCurFile].nFileSize-m_files[m_nCurFile].nMultivolTailSize) ASSERT(0);
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
/// error code ¸¦ ½ºÆ®¸µÀ¸·Î ¹Ù²ã ÁØ´Ù.
/// @param nERR
/// @return
/// @date 2004-10-24 ¿ÀÈÄ 3:28:39
////////////////////////////////////////////////////////////////////////////////////////////////////
const char* CUnAlz::LastErrToStr(ERR nERR)
{
if(nERR>= sizeof(errorstrtable)/sizeof(errorstrtable[0])) {ASSERT(0); return NULL; }
return errorstrtable[nERR];
}