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//---------------------------------------------------------------------------
// GlobalTypes.h
//---------------------------------------------------------------------------
// -=* VPatch *=-
//---------------------------------------------------------------------------
// Copyright (C) 2001-2005 Koen van de Sande / Van de Sande Productions
//---------------------------------------------------------------------------
// Website: http://www.tibed.net/vpatch
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
// Reviewed for Unicode support by Jim Park -- 08/29/2007
#if !defined(GlobalTypes_H)
#define GlobalTypes_H
#ifndef _MSC_VER
#include <stdint.h>
#endif
#include <iostream>
#include <fstream>
#include <ios>
#include <string>
using namespace std;
#ifdef _MSC_VER
typedef unsigned char uint8_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
#define CHECKSUM_BLOCK unsigned __int64
#define __WIN32__
#else
#define CHECKSUM_BLOCK unsigned long long
#endif
typedef uint32_t TFileOffset;
// This is a hacky partial replacement for <i|o>[f]stream so we can open wchar_t*
#include "tchar.h"
#include <stdio.h>
#include <assert.h>
class simplebfstream {
FILE*m_File;
ios_base::iostate m_state;
streamsize m_LastReadCount;
public:
simplebfstream() : m_File(0), m_state(ios_base::badbit|ios_base::failbit) {}
~simplebfstream()
{
if (m_File) fclose(m_File);
}
bool open(const TCHAR*filename, ios_base::openmode mode)
{
TCHAR mAcc, mFmt = _T('b');
if (ios::in&mode) mAcc = _T('r');
if (ios::out&mode) mAcc = _T('w');
assert(0==(mode&~(ios::in|ios::binary|ios::out)));
TCHAR modestr[3] = {mAcc, mFmt, _T('\0')};
m_File = FOPEN(filename, modestr);
m_state = m_File ? ios_base::goodbit : ios_base::badbit|ios_base::failbit;
return good();
}
void close()
{
if (!m_File || fclose(m_File))
{
m_state |= ios_base::failbit;
}
m_File = 0;
}
bool is_open() const {return !!m_File;}
bool eof() const {return !!(ios_base::eofbit & m_state);}
bool bad() const {return !!(ios_base::badbit & m_state);}
bool fail() const {return !!((ios_base::failbit|ios_base::badbit) & m_state);}
bool good() const {return ios_base::goodbit==m_state;}
streamsize gcount() const {return m_LastReadCount;}
long tellg() const {return ftell(m_File);}
simplebfstream& read(char*s,streamsize n)
{
streamsize cbio = fread(s, 1, n);
m_LastReadCount = cbio;
if (cbio != n)
{
m_state |= ferror(m_File) ? ios_base::badbit : (ios_base::eofbit|ios_base::failbit);
}
return *this;
}
simplebfstream& seekg(streamoff off, ios_base::seekdir dir)
{
int origin = ios_base::beg==dir ? SEEK_SET : ios_base::cur==dir ? SEEK_CUR : SEEK_END;
if (fseek(off, origin))
{
// BUGBUG: Does not follow standard
m_state |= ios_base::badbit|ios_base::failbit;
}
return *this;
}
simplebfstream& seekp(streamoff off, ios_base::seekdir dir) {return seekg(off, dir);}
long tellp() const {return tellg();}
simplebfstream& write(const char* s, streamsize n)
{
streamsize cbio = fwrite(s, 1, n);
if (cbio != n) m_state |= ios_base::badbit;
return *this;
}
bool operator ! () const {return fail();}
protected:
// streamsize and streamoff can be INT64 on x86 in VS2015
template<class F> streamsize readwritehelper(void*buf, size_t itemsize, streamsize count, F func)
{
if (sizeof(streamsize) <= sizeof(size_t))
return func(buf, itemsize, (size_t) count, m_File);
for (streamsize totc = 0;;)
{
size_t small = count > 0x7fffffff ? 0x7fffffff : (size_t) count;
size_t rv = func(((char*)buf) + totc, itemsize, small, m_File);
count -= (streamsize) rv, totc += rv;
if (rv != small)
return totc;
}
}
streamsize fread(void*buf, size_t itemsize, streamsize count)
{
return readwritehelper(buf, itemsize, count, ::fread);
}
streamsize fwrite(const void*buf, size_t itemsize, streamsize count)
{
return readwritehelper((void*) buf, itemsize, count, ::fwrite);
}
int fseek(streamoff off, int origin)
{
if (sizeof(streamoff) <= sizeof(long))
return ::fseek(m_File, (long) off, origin);
for (;;)
{
long small = off > 0x7fffffff ? 0x7fffffff : off < -2147483647 ? -2147483647 : (long) off;
int retval = ::fseek(m_File, small, origin);
off -= small, origin = SEEK_CUR;
if (!off || retval)
return retval;
}
}
};
typedef simplebfstream bistream;
typedef bistream bifstream;
typedef simplebfstream bostream;
typedef bostream bofstream;
#endif // GlobalTypes_H
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