// All the routines about MD5 is copied from
// ..../coretech/libraries/gameos/nlog_mark.cpp & network.hpp
// & touched by jcem

struct CMD5Context
{
public:
	UINT4 state[4];                                   /* state (ABCD) */
	UINT4 count[2];        /* number of bits, modulo 2^64 (lsb first) */
	unsigned char buffer[64];                         /* input buffer */
public:
	void Init();
	void Update(unsigned char *input, unsigned int inputLen);
	void Final(unsigned char [16]);

	static void MD5_Digest(unsigned char ba[16], unsigned char *input, unsigned int inputLen);
	static void MD5_Transform (UINT4 [4], unsigned char [64]);
	static void MD5_Encode(unsigned char *, UINT4 *, unsigned int);
	static void MD5_Decode(UINT4 *, unsigned char *, unsigned int);
	static void MD5_memcpy (POINTER, POINTER, unsigned int);
	static void MD5_memset (POINTER, int, unsigned int);
};

// Constants for MD5Transform routine.
#define S11 7
#define S12 12
#define S13 17
#define S14 22
#define S21 5
#define S22 9
#define S23 14
#define S24 20
#define S31 4
#define S32 11
#define S33 16
#define S34 23
#define S41 6
#define S42 10
#define S43 15
#define S44 21

static unsigned char PADDING[64] = {
  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

// F, G, H and I are basic MD5 functions.
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))

// ROTATE_LEFT rotates x left n bits.
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))

// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
// Rotation is separate from addition to prevent recomputation.
#define FF(a, b, c, d, x, s, ac) { (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); }
#define GG(a, b, c, d, x, s, ac) { (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); }
#define HH(a, b, c, d, x, s, ac) { (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); }
#define II(a, b, c, d, x, s, ac) { (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); }

/* MD5 initialization. Begins an MD5 operation, writing a new context. */
void CMD5Context::Init()
{
	count[0] = count[1] = 0;
	/* Load magic initialization constants. */
	state[0] = 0x67452301;
	state[1] = 0xefcdab89;
	state[2] = 0x98badcfe;
	state[3] = 0x10325476;
}

/* MD5 block update operation. Continues an MD5 message-digest
  operation, processing another message block, and updating the
  context.
 */
void CMD5Context::Update(unsigned char *input, unsigned int inputLen)
{
  unsigned int i, index, partLen;

  /* Compute number of bytes mod 64 */
  index = (unsigned int)((count[0] >> 3) & 0x3F);

  /* Update number of bits */
  if ((count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3))
		count[1]++;
  count[1] += ((UINT4)inputLen >> 29);

  partLen = 64 - index;

  /* Transform as many times as possible. */
  if (inputLen >= partLen) {
	MD5_memcpy((POINTER)&buffer[index], (POINTER)input, partLen);
	MD5_Transform (state, buffer);

	for(i = partLen; i + 63 < inputLen; i += 64)
		MD5_Transform (state, &input[i]);

	index = 0;
  } else
	i = 0;

  /* Buffer remaining input */
  MD5_memcpy ((POINTER)&buffer[index], (POINTER)&input[i], inputLen-i);
}

/* MD5 finalization. Ends an MD5 message-digest operation, writing the
  the message digest and zeroizing the context.
 */
void CMD5Context::Final(unsigned char digest[16])
{
  unsigned char bits[8];
  unsigned int index, padLen;

  // Save number of bits
  MD5_Encode (bits, count, 8);

  // Pad out to 56 mod 64.
  index = (unsigned int)((count[0] >> 3) & 0x3f);
  padLen = (index < 56) ? (56 - index) : (120 - index);
  Update (PADDING, padLen);

  // Append length (before padding)
  Update (bits, 8);
  // Store state in digest
  MD5_Encode (digest, state, 16);

  // Zeroize sensitive information.
  MD5_memset ((POINTER)this, 0, sizeof (*this));
}

void CMD5Context::MD5_Digest(unsigned char ba[16], unsigned char *input, unsigned int inputLen)
{
	CMD5Context ctx;

	ctx.Init();
	ctx.Update(input, inputLen);
	ctx.Final(ba);
}

/* MD5 basic transformation. Transforms state based on block.
 */
void CMD5Context::MD5_Transform(UINT4 state[4], unsigned char block[64])
{
  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];

  MD5_Decode (x, block, 64);

  /* Round 1 */
  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

 /* Round 2 */
  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

  /* Round 3 */
  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */

  /* Round 4 */
  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */

  state[0] += a;
  state[1] += b;
  state[2] += c;
  state[3] += d;

  /* Zeroize sensitive information.
*/
  MD5_memset ((POINTER)x, 0, sizeof (x));
}

/* Encodes input (UINT4) into output (unsigned char). Assumes len is
  a multiple of 4.
 */
void CMD5Context::MD5_Encode(unsigned char *output, UINT4 *input, unsigned int len)
{
  unsigned int i, j;

  for (i = 0, j = 0; j < len; i++, j += 4) {
 output[j] = (unsigned char)(input[i] & 0xff);
 output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
 output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
 output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
  }
}

/* Decodes input (unsigned char) into output (UINT4). Assumes len is
  a multiple of 4.
 */
void CMD5Context::MD5_Decode(UINT4 *output, unsigned char *input, unsigned int len)
{
  unsigned int i, j;

  for (i = 0, j = 0; j < len; i++, j += 4)
 output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
   (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
}

/* Note: Replace "for loop" with standard memcpy if possible.
 */

void CMD5Context::MD5_memcpy(POINTER output, POINTER input, unsigned int len)
{
  unsigned int i;

  for (i = 0; i < len; i++)
	output[i] = input[i];
}

/* Note: Replace "for loop" with standard memset if possible.
 */
void CMD5Context::MD5_memset(POINTER output, int value, unsigned int len)
{
  unsigned int i;

  for (i = 0; i < len; i++)
 ((char *)output)[i] = (char)value;
}

bool SLogReport::s_bCached = false;
SYSTEMTIME SLogReport::s_Time;
BYTE SLogReport::s_ba[16];

BOOL MyReplaceFile(const char* pcszDst, char* pcszSrc)
{
	int nRet = 0;
	char* pcszSrc2 = &pcszSrc[strlen(pcszSrc)];

	strcpy(pcszSrc2, ".tmp2");
	DeleteFile(pcszSrc);

	SetFileAttributes(pcszDst, FILE_ATTRIBUTE_NORMAL);
	if (access(pcszDst, 0) == 0) {
		if (MoveFile(pcszDst, pcszSrc)) {
			strcpy(pcszSrc2, "");
			if (MoveFile(pcszSrc, pcszDst)) {
				strcpy(pcszSrc2, ".tmp2");
				DeleteFile(pcszSrc);
				//nRet = 0;
			} else {
				strcpy(pcszSrc2, ".tmp2");
				if (MoveFile(pcszSrc, pcszDst)) {
					nRet = -2;
				} else {
					nRet = -3;
				}
			}
		} else {
			nRet = -1;
		}
	} else {
		strcpy(pcszSrc2, "");
		if (MoveFile(pcszSrc, pcszDst)) {
			//nRet = 0;
		} else {
			nRet = -2;
		}
	}
	strcpy(pcszSrc2, "");

	return !nRet;
}

static BOOL IsLeapYear(int nYear)
{
	if ((nYear % 4) == 0) {
		if (((nYear % 100) != 0) || ((nYear % 400) == 0))
			return TRUE;
	}

	return FALSE;
}

static int GetDayEnd(int nYear, int nMonth)
{
	switch(nMonth)
	{
	case 1:
	case 3:
	case 5:
	case 7:
	case 8:
	case 10:
	case 12:
		return 31;
	case 2:
		return IsLeapYear(nYear) ? 29: 28;
	default:
		return 30;
	}
}

static void MkCacheDate(char szCache[], const SYSTEMTIME& st)
{
	sprintf(szCache, "%02d%04d%02d", st.wDay, st.wYear, st.wMonth);
}

static BOOL Get2HEX(const char*& pcsz, BYTE& b)
{
	struct SLocal
	{
		static BOOL Get1HEX(char c, int& n)
		{
			if (('0' <= c) && (c <= '9'))
				c -= '0';
			else if (('a' <= c) && (c <= 'f')) {
				c -= 'a';
				c += 10;
			} else if (('A' <= c) && (c <= 'F')) {
				c -= 'A';
				c += 10;
			} else
				return FALSE;
			n *= 16;
			n += c;

			return TRUE;
		}
	};
	int n = 0;
	if (SLocal::Get1HEX(*pcsz++, n)) {
		if (SLocal::Get1HEX(*pcsz++, n)) {
			b = (BYTE)n;
			return TRUE;
		}
	}

	return FALSE;
}

void AdjustSysTimeForLog(SYSTEMTIME& Time)
{
	static BOOL s_bMinShiftChecked = FALSE;
	static int s_nMinShift = 0;
	if (!s_bMinShiftChecked) {
		s_bMinShiftChecked = TRUE;

		char szBuf[512];
		sprintf(szBuf, "%s\\options.ini", AssetsDirectory1);
		s_nMinShift = GetPrivateProfileInt("battle tech misc", "MinShift", 0, szBuf);
	}

	int nMinute = Time.wMinute;
	int nHour = Time.wHour;
	int nDay = Time.wDay;
	int nMonth = Time.wMonth;
	int nYear = Time.wYear;

	nMinute += s_nMinShift;
	while(nMinute < 0)
	{
		nHour--;
		nMinute += 60;
	}
	while(60 <= nMinute)
	{
		nHour++;
		nMinute -= 60;
	}
	while(nHour < 0)
	{
		nDay--;
		nHour += 24;
	}
	while(24 <= nHour)
	{
		nDay++;
		nHour -= 24;
	}
	int nDayEnd;
	
	while(TRUE)
	{
		nDayEnd = GetDayEnd(nYear, nMonth);
		if (nDay < 1) {
			if (nMonth == 1) {
				nYear--;
				nMonth = 12;
			} else {
				nMonth--;
			}
			nDay += nDayEnd;
		} else if (nDayEnd < nDay) {
			if (nMonth == 12) {
				nYear++;
				nMonth = 1;
			} else {
				nMonth++;
			}
			nDay -= nDayEnd;
		} else {
			break;
		}
	}

	Time.wMinute = (WORD)nMinute;
	Time.wHour = (WORD)nHour;
	Time.wDay = (WORD)nDay;
	Time.wMonth = (WORD)nMonth;
	Time.wYear = (WORD)nYear;
}

SLogItem* SLogItem::GetNext() const
{
	return (SLogItem*)&((unsigned char*)&this[1])[m_uSize];
}

BOOL SLogItem::CheckItem() const
{
	if (m_szPlayers[m_uSize] == '\0') {
		if ((0 <= m_nPlayers) && (m_nPlayers <= 16)) {
			if ((0 <= m_nBOTs) && (m_nBOTs <= 16)) {
				if ((1 <= (m_nPlayers+m_nBOTs)) && ((m_nPlayers + m_nBOTs) <= 16)) {
					return TRUE;
				}
			}
		}
	}
	return FALSE;
}
// from here ::
SLogReport* SLogReport::OpenLogReport(const char* pcszFile, SYSTEMTIME& st, BOOL bNewIfNotExist/* = TRUE*/)
{
	HANDLE hFile;
	DWORD dwSize;
	SLogReport* pRet = NULL;

	CheckCached(st);

	int nRet;
	hFile = ::CreateFile(pcszFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	if (hFile != INVALID_HANDLE_VALUE) {
		dwSize = GetFileSize(hFile, NULL);
		if ((sizeof(SLogReport)/* + sizeof(SLogItem)*/) <= dwSize) {
			pRet = (SLogReport*)malloc(dwSize);
			DWORD dwRet;
			if (ReadFile(hFile, pRet, dwSize, &dwRet, NULL)) {
				switch(pRet->Check(st))
				{
				default: // case -1: // invalid file
					nRet = -1; // invalid
					break;
				case 0: // cracked file
					nRet = 0; // invalid
					break;
				case +1: // valid file...
					::CloseHandle(hFile);
					return pRet;
				}
			} else {
				nRet = -1; // invalid
			}
			SLogReport::FreeLogReport(pRet);
			pRet = NULL;
		} else {
			nRet = -1; // invalid...
		}
		::CloseHandle(hFile);
	} else {
		if (SLogReport::s_bCached) {
			nRet = -2; // missing file
		} else {
			nRet = +1; // no file...
		}
	}
	if (bNewIfNotExist && !pRet) {
		pRet = (SLogReport*)malloc(sizeof(SLogReport));
		pRet->Initialize();
		if (nRet == (-1))
			pRet->MarkErr(true);
		else if (nRet == 0)
			pRet->MarkErr(true);
		else if (nRet == -2)
			pRet->MarkErr();
	}

	return pRet;
}

void SLogReport::FreeLogReport(SLogReport* pLogReport)
{
	if (pLogReport) {
		free(pLogReport);
	}
}

void SLogReport::CheckCached(SYSTEMTIME& st)
{
	if (SLogReport::s_bCached || !&st)
		return;
	char szPath[MAX_PATH];
	sprintf(szPath, "%s\\options.ini", AssetsDirectory1);

	char szCacheOld[256];
	MkCacheDate(szCacheOld, st);

	char szCache[256];
	GetPrivateProfileString("battle tech misc", "lrpt", "", szCache, sizeof(szCache) - 1, szPath);

	int nLen = strlen(szCacheOld);
	if (memcmp(szCache, szCacheOld, nLen) == 0) {
		SLogReport::s_bCached = TRUE;
		SLogReport::s_Time = st;

		const char* pcsz = &szCache[nLen];
		BOOL bOK;
		if (strlen(pcsz) == 16 * 2) {
			bOK = TRUE;
			for(nLen = 0; nLen < 16; nLen++) {
				if (!Get2HEX(pcsz, s_ba[nLen])) {
					bOK = FALSE;
					break;
				}
			}
		} else {
			bOK = FALSE;
		}
		if (!bOK) {
			memset(s_ba, 0xff, sizeof(s_ba));
		}
	}
}
// from here SLogReport::
SLogItem* SLogReport::GetFirst() const
{
	return (SLogItem*)&this[1];
}

SLogItem* SLogReport::GetLast() const
{
	return (SLogItem*)&((unsigned char*)&this[1])[m_uSize];
}

void SLogReport::Initialize()
{
	m_dwSigns = LRPT_FILE_SIGN;
	m_dwVersion = LRPT_FILE_VER;
	memset(&m_ba[0], 0, sizeof(m_ba)); // not yet check because m_uSize is not valid...
	// from here MD5....
	memset(&m_baReserved[0], 0, sizeof(m_baReserved));
	m_nLogItems = 0;
	m_uSize = 0;
	//SLogItem m_aLogItems[];

	CMD5Context::MD5_Digest(m_ba, &m_baReserved[0], (unsigned char*)&this[1] - &m_baReserved[0]); // MD5 signature...
}

int SLogReport::Check(SYSTEMTIME& st)
{
	if (((m_dwSigns == LRPT_FILE_SIGN) || (m_dwSigns == LRPT_FILE_ERR) || (m_dwSigns == LRPT_FILE_ERR2)) && (m_dwVersion <= LRPT_FILE_VER)) {
		if ((m_dwSigns != LRPT_FILE_ERR) && (m_dwSigns != LRPT_FILE_ERR2)) {
			BYTE ba[16];
			Fix(&ba[0]);
			if (memcmp(&ba[0], &m_ba[0], sizeof(ba)) != 0) {
				MarkErr(true); // STOP Application?
			} else {
				if (s_bCached && &st) {
					if ((st.wYear == s_Time.wYear) && (st.wMonth == s_Time.wMonth) && (st.wDay == s_Time.wDay)) {
						if (memcmp(&s_ba[0], &m_ba[0], 16) != 0) {
							MarkErr();
						}
					}
				}
			}
		}
		if ((0 <= m_nLogItems) && (0 <= m_uSize)) {
			SLogItem* pStart = GetFirst();
			SLogItem* pEnd = GetLast();
			while(pStart < pEnd)
			{
				if (!pStart->CheckItem())
					break;
				pStart = pStart->GetNext();
			}
			if (pStart == pEnd)
				return +1;
			MarkErr(true); // STOP Application?
		}

		return 0;
	}

	return -1;
}

void SLogReport::Fix(BYTE* pBDigest/* = NULL*/)
{
	if (!pBDigest)
		pBDigest = &m_ba[0];
	CMD5Context::MD5_Digest(pBDigest, &m_baReserved[0], (unsigned char*)&this[1] - &m_baReserved[0] + m_uSize); // MD5 signature...
	CMD5Context::MD5_Digest(pBDigest, (unsigned char*)&m_dwSigns, sizeof(m_dwSigns)); // MD5 signature...
	CMD5Context::MD5_Digest(pBDigest, (unsigned char*)&m_dwVersion, sizeof(m_dwVersion)); // MD5 signature...
}

void SLogReport::MarkErr(bool bAs2/* = false*/)
{
	if (bAs2)
		m_dwSigns = LRPT_FILE_ERR2;
	else
		m_dwSigns = LRPT_FILE_ERR;
}

int SLogReport::WriteFile(const char* pcszFile, SYSTEMTIME& st)
{
	int nErr;
	char szPath[MAX_PATH];

	do {
		nErr = 0;

		// remove temporary file
		SetFileAttributes(szPath, FILE_ATTRIBUTE_NORMAL);
		strcpy(szPath, pcszFile);
		strcat(szPath, ".tmp");
		DeleteFile(szPath);

		HANDLE hFile = ::CreateFile(szPath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
		if (hFile != INVALID_HANDLE_VALUE) {
			DWORD dwRet;
			::WriteFile(hFile, this, sizeof(SLogReport) + m_uSize, &dwRet, NULL);
			::CloseHandle(hFile);
			hFile = NULL;

			if (m_nLogItems > 0) {
				s_bCached = true;
				s_Time = st;
				memcpy(&s_ba[0], &m_ba[0], 16);
			}
			SLogReport* pCheck = OpenLogReport(szPath, *(SYSTEMTIME*)NULL);
			if (pCheck && (pCheck->m_uSize == m_uSize) && (memcmp(pCheck, this, sizeof(SLogReport) + m_uSize) == 0)) {
				FreeLogReport(pCheck);

				if (MyReplaceFile(pcszFile, szPath)) {
					// save date/time/MD5...
				} else {
					// error in saving...
					remove(szPath);
					nErr = -4; // error in replace
				}
			} else {
				FreeLogReport(pCheck);
				// error in saving...
				remove(szPath);
				nErr = -3; // error in closing
			}
		} else {
			nErr = -2; // file creation error
		}
	} while(nErr != 0);

	// CheckCached() for....
	sprintf(szPath, "%s\\options.ini", AssetsDirectory1);
	char szCache[256];
	MkCacheDate(szCache, st);
	int nEnd = strlen(szCache);
	char* pszEnd = &szCache[nEnd];
	for(int nn = 0; nn < 16; nn++)
	{
		BYTE bb = m_ba[nn];
		sprintf(pszEnd, "%02x", bb);
		pszEnd += 2;
	}
	*pszEnd = '\0';

	do {
		nErr = 0;

		// remove temporary file
		SetFileAttributes(szPath, FILE_ATTRIBUTE_NORMAL);
	} while(!WritePrivateProfileString("battle tech misc", "lrpt", &szCache[0], szPath));

	return nErr;
}

SLogReport* SLogReport::AddLogItem(const GUID& guid, UINT uBufNames, SLogItem*& pLogItem)
{
	if (GetLogItem(guid)) {
		MarkErr();
		return NULL;
	} else {
		UINT uSizeNew = sizeof(SLogReport) + m_uSize + sizeof(SLogItem) + uBufNames;

		SLogReport* pNew = (SLogReport*)realloc(this, uSizeNew);
		if (pNew) {
			pLogItem = (SLogItem*)&((unsigned char*)&pNew[1])[pNew->m_uSize];
			pLogItem->m_uSize = uBufNames;
			pLogItem->m_GUID = guid;
			memset(&pLogItem->m_szHost[0], 0, sizeof(pLogItem->m_szHost));
			pLogItem->m_nLaunched = -1;
			pLogItem->m_nErr = 0;

			pNew->m_nLogItems++;
			pNew->m_uSize += sizeof(SLogItem) + uBufNames;
		}

		return pNew;
	}
}

SLogItem* SLogReport::GetLogItem(const GUID& guid) const
{
	SLogItem* pStart = GetFirst();
	SLogItem* pEnd = GetLast();
	while(pStart < pEnd)
	{
		if (memcmp(&pStart->m_GUID, &guid, sizeof(guid)) == 0)
			return pStart;
		pStart = pStart->GetNext();
	}

	return NULL;
}