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utils.c
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utils.c
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//? Marius Negrutiu ([email protected]) :: 2014/02/02
#include "main.h"
#include "utils.h"
MEMORY_STATS g_MemStats = { 0 };
//++ UtilsInitialize
VOID UtilsInitialize()
{
TRACE( _T( "%hs()\n" ), __FUNCTION__ );
}
//++ UtilsDestroy
VOID UtilsDestroy()
{
TRACE( _T( "%hs( Alloc: #%u/%I64u bytes, Free: #%u/%I64u bytes )\n" ), __FUNCTION__, g_MemStats.AllocCalls, g_MemStats.AllocBytes, g_MemStats.FreeCalls, g_MemStats.FreeBytes );
assert( g_MemStats.AllocBytes == g_MemStats.FreeBytes );
}
//++ TraceImpl
#if defined (TRACE_ENABLED)
VOID TraceImpl( _In_ LPCTSTR pszFormat, _In_ ... )
{
DWORD err = ERROR_SUCCESS;
if ( pszFormat && *pszFormat ) {
TCHAR szStr[1024];
int iLen1, iLen2;
va_list args;
va_start( args, pszFormat );
if (pszFormat[0] == TRACE_NO_PREFIX[0]) {
pszFormat++;
iLen1 = 0;
} else {
iLen1 = _sntprintf( szStr, ARRAYSIZE( szStr ), _T( "[nscurl.th%04x] " ), GetCurrentThreadId() );
}
iLen2 = _vsntprintf( szStr + iLen1, (int)ARRAYSIZE( szStr ) - iLen1, pszFormat, args );
if ( iLen2 > 0 ) {
if ( iLen1 + iLen2 < ARRAYSIZE( szStr ) )
szStr[iLen1 + iLen2] = 0; /// The string is not guaranteed to be null terminated
} else {
szStr[ARRAYSIZE( szStr ) - 1] = 0;
}
OutputDebugString( szStr );
va_end( args );
}
}
#endif
//++ MySetThreadName
void MySetThreadName( _In_ HANDLE hThread, _In_ LPCWSTR pszName )
{
typedef HRESULT( WINAPI *TfnSetThreadDescription )(_In_ HANDLE hThread, _In_ PCWSTR lpThreadDescription);
#define NO_INIT (TfnSetThreadDescription)1
// One-time initialization
static TfnSetThreadDescription fnSetThreadDescription = NO_INIT;
if (fnSetThreadDescription == NO_INIT)
fnSetThreadDescription = (TfnSetThreadDescription)GetProcAddress( GetModuleHandle( _T("kernel32") ), "SetThreadDescription" );
if (fnSetThreadDescription > NO_INIT)
fnSetThreadDescription( hThread, pszName );
#undef NO_INIT
}
//++ MyCreateDirectory
ULONG MyCreateDirectory( _In_ LPCTSTR pszPath, _In_ BOOLEAN bHasFilename )
{
ULONG e = ERROR_SUCCESS;
LPTSTR pszBuf;
if (!pszPath || !*pszPath)
return ERROR_INVALID_PARAMETER;
// Work with a copy of the string
if ((pszBuf = MyStrDup( eT2T, pszPath )) != NULL) {
TCHAR *psz, ch;
ULONG len = lstrlen( pszBuf );
// Strip trailing backslashes
for (psz = pszBuf + len - 1; (psz > pszBuf) && (*psz == _T( '\\' ) || *psz == _T( '/' )); psz--)
*psz = _T( '\0' ), len--;
if (bHasFilename) {
// Strip filename
for (psz = pszBuf + len - 1; (psz > pszBuf) && (*psz != _T( '\\' )) && (*psz != _T( '/' )); psz--)
*psz = _T( '\0' ), len--;
// Strip trailing backslashes
for (psz = pszBuf + len - 1; (psz > pszBuf) && (*psz == _T( '\\' ) || *psz == _T( '/' )); psz--)
*psz = _T( '\0' ), len--;
}
psz = pszBuf;
// Skip UNC server name (\\?\UNC\SERVER)
if (CompareString( CP_ACP, NORM_IGNORECASE, psz, 8, _T( "\\\\?\\UNC\\" ), -1 ) == CSTR_EQUAL) {
psz += 8;
for (; *psz != _T( '\\' ) && *psz != _T( '\0' ); psz++);
}
// Skip \\?\ prefix
if (CompareString( CP_ACP, NORM_IGNORECASE, psz, 4, _T( "\\\\?\\" ), -1 ) == CSTR_EQUAL)
psz += 4;
// Skip network server name (\\SERVER)
if (CompareString( CP_ACP, NORM_IGNORECASE, psz, 2, _T( "\\\\" ), -1 ) == CSTR_EQUAL) {
psz += 2;
for (; *psz != _T( '\\' ) && *psz != _T( '\0' ); psz++);
}
// Create intermediate directories
for (; (e == ERROR_SUCCESS) && *psz; ) {
for (; *psz == _T( '\\' ); psz++);
for (; *psz != _T( '\\' ) && *psz != _T( '\0' ); psz++);
ch = *psz, *psz = _T( '\0' );
e = CreateDirectory( pszBuf, NULL ) ? ERROR_SUCCESS : GetLastError();
if (e == ERROR_ALREADY_EXISTS || e == ERROR_ACCESS_DENIED)
e = ERROR_SUCCESS;
*psz = ch;
}
MyFree( pszBuf );
} else {
e = ERROR_OUTOFMEMORY;
}
return e;
}
//++ MyStrDup
LPVOID MyStrDup( _In_ Encodings iEnc, _In_ LPCVOID pszSrc )
{
return MyStrDupN( iEnc, pszSrc, -1 );
}
//++ MyStrDupN
LPVOID MyStrDupN( _In_ Encodings iEnc, _In_ LPCVOID pszSrc, _In_opt_ int iSrcMaxLen )
{
LPVOID pszDest = NULL;
int l, l2;
// Resolve "T"-s
#ifdef _UNICODE
if (iEnc == eA2T)
iEnc = eA2W;
else if (iEnc == eW2T || iEnc == eT2W || iEnc == eT2T)
iEnc = eW2W;
else if (iEnc == eT2A)
iEnc = eW2A;
#else
if (iEnc == eA2T || iEnc == eT2A || iEnc == eT2T)
iEnc = eA2A;
else if (iEnc == eW2T)
iEnc = eW2A;
else if (iEnc == eT2W)
iEnc = eA2W;
#endif
// Prepare input
if (!pszSrc)
pszSrc = L""; /// Works for multi-byte strings as well
if (iSrcMaxLen < 0)
iSrcMaxLen = INT_MAX;
// Duplicate
if (iEnc == eW2W) {
for (l = 0; l < iSrcMaxLen && ((LPCWSTR)pszSrc)[l]; l++);
if ((pszDest = MyAlloc( (l + 1) * sizeof( WCHAR ) )) != NULL) {
CopyMemory( pszDest, pszSrc, l * sizeof( WCHAR ) );
((LPWSTR)pszDest)[l] = UNICODE_NULL;
}
} else if (iEnc == eA2A) {
for (l = 0; l < iSrcMaxLen && ((LPCSTR)pszSrc)[l]; l++);
if ((pszDest = MyAlloc( l + 1 )) != NULL) {
CopyMemory( pszDest, pszSrc, l );
((LPSTR)pszDest)[l] = ANSI_NULL;
}
} else if (iEnc == eW2A) {
for (l = 0; l < iSrcMaxLen && ((LPCWSTR)pszSrc)[l]; l++);
if (l > 0) {
if ((l2 = WideCharToMultiByte( CP_UTF8, 0, (LPCWCH)pszSrc, l, NULL, 0, NULL, NULL )) > 0)
if ((pszDest = MyAlloc( l2 + 1 )) != NULL)
if ((l2 = WideCharToMultiByte( CP_UTF8, 0, (LPCWCH)pszSrc, l, (LPCH)pszDest, l2 + 1, NULL, NULL )) > 0)
((LPCH)pszDest)[l2] = ANSI_NULL;
} else {
// NOTE: WideCharToMultiByte(..) fails with zero input length
if ((pszDest = MyAlloc( sizeof( ANSI_NULL ) )) != NULL)
((LPCH)pszDest)[0] = ANSI_NULL;
}
} else if (iEnc == eA2W) {
for (l = 0; l < iSrcMaxLen && ((LPCSTR)pszSrc)[l]; l++);
if (l > 0) {
if ((l2 = MultiByteToWideChar( CP_UTF8, 0, (LPCCH)pszSrc, l, NULL, 0 )) > 0)
if ((pszDest = MyAlloc( (l2 + 1) * sizeof(WCHAR) )) != NULL)
if ((l2 = MultiByteToWideChar( CP_UTF8, 0, (LPCCH)pszSrc, l, (LPWCH)pszDest, l2 + 1 )) > 0)
((LPWCH)pszDest)[l2] = UNICODE_NULL;
} else {
// NOTE: MultiByteToWideChar(..) fails with zero input length
if ((pszDest = MyAlloc( sizeof( UNICODE_NULL ) )) != NULL)
((LPWCH)pszDest)[0] = UNICODE_NULL;
}
} else {
assert( !"MyStrCopy( Unexpected encoding )" );
}
assert( pszDest );
return pszDest;
}
//++ MyStrCopy
LPVOID MyStrCopy( _In_ Encodings iEnc, _In_ LPVOID pszDest, _In_ ULONG iDestMaxLen, _In_ LPCVOID pszSrc )
{
return MyStrCopyN( iEnc, pszDest, iDestMaxLen, pszSrc, -1 );
}
//++ MyStrCopyN
LPVOID MyStrCopyN( _In_ Encodings iEnc, _In_ LPVOID pszDest, _In_ ULONG iDestMaxLen, _In_ LPCVOID pszSrc, _In_opt_ int iSrcMaxLen )
{
int iDestLen;
if (!pszDest)
return NULL;
// Resolve "T"-s
#ifdef _UNICODE
if (iEnc == eA2T)
iEnc = eA2W;
else if (iEnc == eW2T || iEnc == eT2W || iEnc == eT2T)
iEnc = eW2W;
else if (iEnc == eT2A)
iEnc = eW2A;
#else
if (iEnc == eA2T || iEnc == eT2A || iEnc == eT2T)
iEnc = eA2A;
else if (iEnc == eW2T)
iEnc = eW2A;
else if (iEnc == eT2W)
iEnc = eA2W;
#endif
// Copy
iDestLen = (iSrcMaxLen < 0 ? INT_MAX : (iSrcMaxLen + 1)); /// Reserve room for \0
iDestLen = __min( iDestLen, (int)iDestMaxLen );
if (iEnc == eW2W) {
lstrcpynW( (LPWSTR)pszDest, pszSrc ? (LPCWSTR)pszSrc : L"", iDestLen );
} else if (iEnc == eA2A) {
lstrcpynA( (LPSTR)pszDest, pszSrc ? (LPCSTR)pszSrc : "", iDestLen );
} else if (iEnc == eW2A) {
WideCharToMultiByte( CP_UTF8, 0, pszSrc ? (LPCWSTR)pszSrc : L"", iSrcMaxLen, (LPSTR)pszDest, (int)iDestMaxLen, NULL, NULL );
((LPSTR)pszDest)[iDestLen-1] = ANSI_NULL;
} else if (iEnc == eA2W) {
MultiByteToWideChar( CP_UTF8, 0, pszSrc ? (LPCSTR)pszSrc : "", iSrcMaxLen, (LPWSTR)pszDest, (int)iDestMaxLen );
((LPWSTR)pszDest)[iDestLen-1] = UNICODE_NULL;
} else {
assert( !"MyStrCopy( Unexpected encoding )" );
}
return pszDest;
}
//++ MyFormatError
LPCTSTR MyFormatError( _In_ ULONG err )
{
TCHAR szError[512];
DWORD iLen, iFlags = 0;
HMODULE hModule = NULL;
/* if ( err >= INTERNET_ERROR_BASE && dwErrCode <= INTERNET_ERROR_LAST ) {
hModule = GetModuleHandle( _T( "wininet.dll" ) );
iFlags = FORMAT_MESSAGE_FROM_HMODULE;
} else */ {
iFlags = FORMAT_MESSAGE_FROM_SYSTEM;
}
szError[0] = 0;
iLen = FormatMessage( FORMAT_MESSAGE_IGNORE_INSERTS | iFlags, hModule, err, 0, szError, ARRAYSIZE(szError), NULL );
if ( iLen > 0 ) {
//x StrTrim( szError, _T( ". \r\n" ) );
for (iLen--; (iLen > 0) && (szError[iLen] == _T('.') || szError[iLen] == _T(' ') || szError[iLen] == _T('\r') || szError[iLen] == _T('\n')); iLen--)
szError[iLen] = _T('\0');
iLen++;
}
return (LPCTSTR)MyStrDup( eT2T, szError );
}
//++ MyFileExistsA
BOOL MyFileExistsA( _In_ LPCSTR pszFile )
{
if (pszFile && *pszFile) {
WIN32_FIND_DATAA fd;
HANDLE hFind = FindFirstFileA( pszFile, &fd );
if (hFind != INVALID_HANDLE_VALUE) {
FindClose( hFind );
return TRUE;
}
}
return FALSE;
}
//++ MyFileExistsW
BOOL MyFileExistsW( _In_ LPCWSTR pszFile )
{
if (pszFile && *pszFile) {
WIN32_FIND_DATAW fd;
HANDLE hFind = FindFirstFileW( pszFile, &fd );
if (hFind != INVALID_HANDLE_VALUE) {
FindClose( hFind );
return TRUE;
}
}
return FALSE;
}
//++ MyReadVersionString
ULONG MyReadVersionString( _In_opt_ LPCTSTR szFile, _In_ LPCTSTR szStringName, _Out_ LPTSTR szStringValue, _In_ UINT iStringValueLen )
{
ULONG e = ERROR_SUCCESS;
// Validate parameters
if (szStringName && *szStringName && szStringValue && (iStringValueLen > 0)) {
ULONG iVerInfoSize;
TCHAR szExeFile[MAX_PATH];
szStringValue[0] = 0;
if (szFile && *szFile) {
lstrcpyn( szExeFile, szFile, ARRAYSIZE( szExeFile ) );
} else {
GetModuleFileName( NULL, szExeFile, ARRAYSIZE( szExeFile ) ); /// Current executable
}
iVerInfoSize = GetFileVersionInfoSize( szExeFile, NULL );
if (iVerInfoSize > 0) {
HANDLE hMem = GlobalAlloc( GMEM_MOVEABLE, iVerInfoSize );
if (hMem) {
LPBYTE pMem = GlobalLock( hMem );
if (pMem) {
if (GetFileVersionInfo( szExeFile, 0, iVerInfoSize, pMem )) {
typedef struct _LANGANDCODEPAGE { WORD wLanguage; WORD wCodePage; } LANGANDCODEPAGE;
LANGANDCODEPAGE *pCodePage;
UINT iCodePageSize = sizeof( *pCodePage );
/// Code page
if (VerQueryValue( pMem, _T( "\\VarFileInfo\\Translation" ), (LPVOID*)&pCodePage, &iCodePageSize )) {
TCHAR szTemp[255];
LPCTSTR szValue = NULL;
UINT iValueLen = 0;
/// Read version string
_sntprintf( szTemp, ARRAYSIZE( szTemp ), _T( "\\StringFileInfo\\%04x%04x\\%s" ), pCodePage->wLanguage, pCodePage->wCodePage, szStringName );
if (VerQueryValue( pMem, szTemp, (LPVOID*)&szValue, &iValueLen )) {
/// Output
if (*szValue) {
lstrcpyn( szStringValue, szValue, iStringValueLen );
if (iValueLen > iStringValueLen) {
/// The output buffer is not large enough
/// We'll return the truncated string, and ERROR_BUFFER_OVERFLOW error code
e = ERROR_BUFFER_OVERFLOW;
}
} else {
e = ERROR_NOT_FOUND;
}
} else {
e = ERROR_NOT_FOUND;
}
} else {
e = ERROR_NOT_FOUND;
}
} else {
e = GetLastError();
}
GlobalUnlock( hMem );
} else {
e = GetLastError();
}
GlobalFree( hMem );
} else {
e = GetLastError();
}
} else {
e = GetLastError();
}
} else {
e = ERROR_INVALID_PARAMETER;
}
return e;
}
//++ MySaveResource
ULONG MySaveResource( _In_ HMODULE hMod, _In_ LPCTSTR pszResType, _In_ LPCTSTR pszResName, _In_ USHORT iResLang, _In_ LPCTSTR pszOutPath )
{
ULONG e = ERROR_SUCCESS;
HRSRC hRes = NULL;
if (!pszResType || !pszResName || !pszOutPath || !*pszOutPath)
return ERROR_INVALID_PARAMETER;
hRes = FindResourceEx( hMod, pszResType, pszResName, iResLang );
if (hRes) {
ULONG iResSize = SizeofResource( hMod, hRes );
HGLOBAL hMem = LoadResource( hMod, hRes );
if (hMem) {
LPVOID pRes = LockResource( hMem );
if (pRes) {
HANDLE h;
MyCreateDirectory( pszOutPath, TRUE );
h = CreateFile( pszOutPath, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
if (h != INVALID_HANDLE_VALUE) {
ULONG iWritten;
if (WriteFile( h, pRes, iResSize, &iWritten, NULL )) {
// OK
} else {
e = GetLastError();
}
CloseHandle( h );
}
} else {
e = ERROR_INVALID_DATA;
}
} else {
e = GetLastError();
}
} else {
e = GetLastError();
}
return e;
}
//++ Dec2Hex
UCHAR Dec2Hex( _In_ UCHAR dec )
{
if (dec < 10) {
return dec + '0';
} else if (dec < 16) {
return dec - 10 + 'a';
}
return '.';
}
//++ MyFormatBinaryHexW
ULONG MyFormatBinaryHexW( _In_ LPVOID pData, _In_ ULONG iDataSize, _Out_ LPWSTR pszStr, _In_ ULONG iStrLen )
{
ULONG i, j, n;
if (pszStr && iStrLen)
pszStr[0] = 0;
n = __min( iDataSize, (iStrLen - 1) / 2 ); /// Total input bytes that fit in the output buffer, not including \0
for (i = 0, j = 0; i < n; i++, j = i << 1) {
pszStr[j] = (WCHAR)Dec2Hex( ((PUCHAR)pData)[i] >> 4 );
pszStr[j + 1] = (WCHAR)Dec2Hex( ((PUCHAR)pData)[i] & 0xf );
}
pszStr[j] = UNICODE_NULL;
return j; /// Characters written, not including \0
}
//++ MyFormatBinaryHexA
ULONG MyFormatBinaryHexA( _In_ LPVOID pData, _In_ ULONG iDataSize, _Out_ LPSTR pszStr, _In_ ULONG iStrLen )
{
ULONG i, j, n;
if (pszStr && iStrLen)
pszStr[0] = 0;
n = __min( iDataSize, (iStrLen - 1) / 2 ); /// Total input bytes that fit in the output buffer, not including \0
for (i = 0, j = 0; i < n; i++, j = i << 1) {
pszStr[j] = (CHAR)Dec2Hex( ((PUCHAR)pData)[i] >> 4 );
pszStr[j + 1] = (CHAR)Dec2Hex( ((PUCHAR)pData)[i] & 0xf );
}
pszStr[j] = ANSI_NULL;
return j; /// Characters written, not including \0
}
//++ MyFormatBinaryPrintable
ULONG MyFormatBinaryPrintable( _In_ LPCVOID pData, _In_ ULONG iDataSize, _Out_ LPTSTR pszStr, _In_ ULONG iStrMaxLen, _In_ BOOLEAN bEscape )
{
ULONG iStrLen = 0;
CHAR ch;
assert( pszStr && iStrMaxLen );
if (pszStr && iStrMaxLen) {
pszStr[0] = _T( '\0' );
if (pData && iDataSize) {
ULONG i;
for (i = 0, iStrLen = 0; i < iDataSize && iStrLen < iStrMaxLen - 1; i++) {
ch = ((PCCH)pData)[i];
if (ch >= 32) {
pszStr[iStrLen++] = ch;
} else if (ch == '\r' || ch == '\n' || ch == '\t') {
if (bEscape) {
pszStr[iStrLen++] = _T( '\\' );
switch (ch) {
case '\r': pszStr[iStrLen++] = _T( 'r' ); break;
case '\n': pszStr[iStrLen++] = _T( 'n' ); break;
case '\t': pszStr[iStrLen++] = _T( 't' ); break;
}
} else {
pszStr[iStrLen++] = ch;
}
} else {
pszStr[iStrLen++] = _T( '.' );
}
}
pszStr[iStrLen] = _T( '\0' );
}
}
return iStrLen;
}
//++ MyReplaceMem
// Return delta size
LONG MyReplaceMem(
_In_ LPCVOID pBuf, _In_ ULONG iBufSize, _In_ ULONG iBufMaxSize,
_Inout_ PVOID pReplace, _In_ ULONG iReplaceSize,
_In_ LPCVOID pWith, _In_ ULONG iWithSize )
{
assert( pBuf );
assert( iBufSize <= iBufMaxSize );
assert( (PCH)pReplace >= (PCH)pBuf && (PCH)pReplace < (PCH)pBuf + iBufSize );
/// Recompute sizes relative to pReplace
iBufSize -= (ULONG)((PCCH)pReplace - (PCCH)pBuf);
iBufMaxSize -= (ULONG)((PCCH)pReplace - (PCCH)pBuf);
LONG iMoveSize = (LONG)(iBufSize - iReplaceSize);
iMoveSize = __min( iMoveSize, (LONG)(iBufMaxSize - iWithSize) );
iMoveSize = __max( iMoveSize, 0 );
MoveMemory( (PCH)pReplace + iWithSize, (PCH)pReplace + iReplaceSize, iMoveSize );
ULONG iCopySize = __min( iWithSize, iBufMaxSize );
CopyMemory( pReplace, pWith, iCopySize );
return (LONG)(iCopySize + iMoveSize - iBufSize);
}
//++ MyReplaceKeywordsA
LONG MyReplaceKeywordsA( _Inout_ LPSTR pszStr, _In_ LONG iMaxLen, _In_ CHAR chKeywordStart, _In_ CHAR chKeywordEnd, _In_ REPLACE_KEYWORD_CALLBACK_A fnReplace, _In_ LPVOID pReplaceParam )
{
LPSTR pszBuf = NULL, psz1, psz2;
LONG iStrLen;
LONG l1, l2;
if (!pszStr || !iMaxLen || !fnReplace)
return -1;
pszBuf = (LPSTR)malloc( iMaxLen * sizeof( CHAR ) ); /// Working buffer
if (!pszBuf)
return -1;
// Compute string length, including \0
for (iStrLen = 0; (iStrLen < iMaxLen) && pszStr[iStrLen]; iStrLen++);
if (pszStr[iStrLen] == 0)
iStrLen++;
pszStr[iStrLen - 1] = 0; /// Force \0
for (psz2 = pszStr + iStrLen - 1; psz2 > pszStr; ) {
for (; psz2 > pszStr && (*psz2 != chKeywordEnd); psz2--); /// End marker
for (psz1 = psz2 - 1; psz1 > pszStr && (*psz1 != chKeywordStart); psz1--); /// Start marker
if (psz2 > psz1 && psz1 >= pszStr) {
// Include the end marker
psz2++;
// Replace callback function
lstrcpynA( pszBuf, psz1, (int)(psz2 - psz1) + 1 );
fnReplace( pszBuf, iMaxLen, pReplaceParam );
l1 = (LONG)(psz2 - psz1); // Old substring length
l2 = (LONG)lstrlenA( pszBuf ); // New substring length
if ((l1 != l2) || (CompareStringA( CP_ACP, 0, pszBuf, -1, psz1, l1 ) != CSTR_EQUAL)) {
iStrLen += MyReplaceMem( pszStr, iStrLen * sizeof( CHAR ), iMaxLen * sizeof( CHAR ), psz1, l1 * sizeof( CHAR ), pszBuf, l2 * sizeof( CHAR ) ) / sizeof( CHAR );
pszStr[iStrLen - 1] = 0;
} else {
psz1 = psz2 - 1; // Continue the algorithm from psz2 position
}
}
psz2 = psz1 - 1;
}
free( pszBuf );
return iStrLen - 1;
}
//++ MyReplaceKeywordsW
LONG MyReplaceKeywordsW( _Inout_ LPWSTR pszStr, _In_ LONG iMaxLen, _In_ WCHAR chKeywordStart, _In_ WCHAR chKeywordEnd, _In_ REPLACE_KEYWORD_CALLBACK_W fnReplace, _In_ LPVOID pReplaceParam )
{
LPWSTR pszBuf = NULL, psz1, psz2;
LONG iStrLen;
LONG l1, l2;
if (!pszStr || !iMaxLen || !fnReplace)
return -1;
pszBuf = (LPWSTR)malloc( iMaxLen * sizeof( WCHAR ) ); /// Working buffer
if (!pszBuf)
return -1;
// Compute string length, including \0
for (iStrLen = 0; (iStrLen < iMaxLen) && pszStr[iStrLen]; iStrLen++);
if (pszStr[iStrLen] == 0)
iStrLen++;
pszStr[iStrLen - 1] = 0; /// Force \0
for (psz2 = pszStr + iStrLen - 1; psz2 > pszStr; ) {
for (; psz2 > pszStr && (*psz2 != chKeywordEnd); psz2--); /// End marker
for (psz1 = psz2 - 1; psz1 > pszStr && (*psz1 != chKeywordStart); psz1--); /// Start marker
if (psz2 > psz1 && psz1 >= pszStr) {
// Include the end marker
psz2++;
// Replace callback function
lstrcpynW( pszBuf, psz1, (int)(psz2 - psz1) + 1 );
fnReplace( pszBuf, iMaxLen, pReplaceParam );
l1 = (LONG)(psz2 - psz1); // Old substring length
l2 = (LONG)lstrlenW( pszBuf ); // New substring length
if ((l1 != l2) || (CompareStringW( CP_ACP, 0, pszBuf, -1, psz1, l1 ) != CSTR_EQUAL)) {
iStrLen += MyReplaceMem( pszStr, iStrLen * sizeof( WCHAR ), iMaxLen * sizeof( WCHAR ), psz1, l1 * sizeof( WCHAR ), pszBuf, l2 * sizeof( WCHAR ) ) / sizeof( WCHAR );
pszStr[iStrLen - 1] = 0;
} else {
psz1 = psz2 - 1; // Continue the algorithm from psz2 position
}
}
psz2 = psz1 - 1;
}
free( pszBuf );
return iStrLen - 1;
}
//++ MyStrReplace
/// Replace all occurrences of the specified substring in a string
/// Returns the final string length, not including \0
LONG MyStrReplace(
_Inout_ LPTSTR pszStr,
_In_ size_t iStrMaxLen,
_In_ LPCTSTR pszSubstr,
_In_ LPCTSTR pszReplaceWith,
_In_ BOOL bMatchCase
)
{
LONG iStrLen = -1;
if (pszStr && iStrMaxLen && pszSubstr && *pszSubstr && pszReplaceWith) {
// Length
LPTSTR psz;
size_t iSubstrLen = lstrlen( pszSubstr ), iReplaceWithLen = (size_t)-1;
// Replace all
for (psz = pszStr; *psz; psz++) {
if (CompareString( LOCALE_USER_DEFAULT, (bMatchCase ? 0 : LINGUISTIC_IGNORECASE), psz, (int)iSubstrLen, pszSubstr, (int)iSubstrLen ) == CSTR_EQUAL) {
if (iStrLen == -1) {
iStrLen = lstrlen( psz ); /// Length from the current position onwards
iStrLen += PtrToUlong( psz ) - PtrToUlong( pszStr ); /// Length up to the current position
}
if (iReplaceWithLen == -1) {
iReplaceWithLen = lstrlen( pszReplaceWith );
}
if ((iStrLen + iReplaceWithLen - iSubstrLen) <= iStrMaxLen) { /// Enough room?
size_t iSubstrIndex = psz - pszStr;
size_t iMoveSize = (iStrLen - iSubstrIndex - iSubstrLen + 1) * sizeof(TCHAR);
MoveMemory( psz + iReplaceWithLen, psz + iSubstrLen, iMoveSize ); /// Make room for the new substring
CopyMemory( psz, pszReplaceWith, iReplaceWithLen * sizeof(TCHAR) ); /// Copy the new substring
iStrLen += (iReplaceWithLen - iSubstrLen); /// Update the overall string length
psz = psz + iReplaceWithLen;
} else {
iStrLen = -1;
break;
}
}
} /// for
}
return iStrLen;
}
//++ MyFormatBytes
void MyFormatBytes( _In_ ULONG64 iBytes, _Out_ LPTSTR pszStr, _In_ ULONG iStrMaxLen )
{
if (pszStr && iStrMaxLen) {
pszStr[0] = 0;
if (iBytes >= 1024ULL * 1024 * 1024 * 1024) {
_sntprintf( pszStr, iStrMaxLen, _T( "%.1f TB" ), (double)iBytes / (1024ULL * 1024 * 1024 * 1024) );
} else if (iBytes >= 1024ULL * 1024 * 1024) {
_sntprintf( pszStr, iStrMaxLen, _T( "%.1f GB" ), (double)iBytes / (1024ULL * 1024 * 1024) );
} else if (iBytes >= 1024ULL * 1024) {
_sntprintf( pszStr, iStrMaxLen, _T( "%.1f MB" ), (double)iBytes / (1024ULL * 1024) );
} else if (iBytes >= 1024ULL) {
_sntprintf( pszStr, iStrMaxLen, _T( "%.1f KB" ), (double)iBytes / 1024ULL );
} else {
_sntprintf( pszStr, iStrMaxLen, _T( "%I64u bytes" ), iBytes );
}
}
}
//++ MyFormatMilliseconds
void MyFormatMilliseconds( _In_ ULONG64 iMillis, _Out_ LPTSTR pszStr, _In_ ULONG iStrMaxLen )
{
if (pszStr && iStrMaxLen) {
ULONG iDays, iHours, iMins, iSecs;
pszStr[0] = 0;
iDays = (ULONG)(iMillis / 86400000);
iMillis %= 86400000;
iHours = (ULONG)(iMillis / 3600000);
iMillis %= 3600000;
iMins = (ULONG)(iMillis / 60000);
iMillis %= 60000;
iSecs = (ULONG)(iMillis / 1000);
iMillis %= 1000;
if (iDays > 0) {
_sntprintf( pszStr, iStrMaxLen, _T( "%u.%02u:%02u:%02u" ), iDays, iHours, iMins, iSecs );
} else if (iHours > 0) {
_sntprintf( pszStr, iStrMaxLen, _T( "%02u:%02u:%02u" ), iHours, iMins, iSecs );
} else {
_sntprintf( pszStr, iStrMaxLen, _T( "%02u:%02u" ), iMins, iSecs );
}
}
}
//++ MyStringToMilliseconds
UINT_PTR MyStringToMilliseconds( _In_ LPCTSTR pszStr )
{
UINT_PTR ms = 0;
if (pszStr && *pszStr) {
LPCTSTR psz;
for (psz = pszStr; *psz && *psz >= _T( '0' ) && *psz <= _T( '9' ); psz++); /// skip numbers
for (; *psz == _T( ' ' ) || *psz == _T( '\t' ) || *psz == _T( '\r' ) || *psz == _T( '\n' ); psz++); /// skip white spaces
ms = (UINT_PTR )nsishelper_str_to_ptr( pszStr );
if (lstrcmpi( psz, _T( "s" ) ) == 0 || lstrcmpi( psz, _T( "sec" ) ) == 0 || lstrcmpi( psz, _T( "second" ) ) == 0 || lstrcmpi( psz, _T( "seconds" ) ) == 0) {
ms *= 1000;
} else if (lstrcmpi( psz, _T( "m" ) ) == 0 || lstrcmpi( psz, _T( "min" ) ) == 0 || lstrcmpi( psz, _T( "minute" ) ) == 0 || lstrcmpi( psz, _T( "minutes" ) ) == 0) {
ms *= 1000 * 60;
} else if (lstrcmpi( psz, _T( "h" ) ) == 0 || lstrcmpi( psz, _T( "hour" ) ) == 0 || lstrcmpi( psz, _T( "hours" ) ) == 0) {
ms *= 1000 * 60 * 60;
}
}
return ms;
}
//++ VirtualMemoryInitialize
ULONG VirtualMemoryInitialize( _Inout_ VMEMO *pMem, _In_ SIZE_T iMaxSize )
{
if (pMem) {
ZeroMemory( pMem, sizeof( *pMem ) );
pMem->pMem = (PCCH)VirtualAlloc( NULL, iMaxSize, MEM_RESERVE, PAGE_READWRITE );
if (pMem->pMem) {
MEMORY_BASIC_INFORMATION mbi = {0};
pMem->iReserved = (VirtualQuery( pMem->pMem, &mbi, sizeof( mbi ) ) > 0) ? mbi.RegionSize : iMaxSize;
} else {
return GetLastError();
}
}
return ERROR_SUCCESS;
}
//++ VirtualMemoryAppend
SIZE_T VirtualMemoryAppend( _Inout_ VMEMO *pMem, _In_ PVOID buf, _In_ SIZE_T size )
{
ULONG e = ERROR_SUCCESS;
if (pMem && pMem->pMem && buf && size) {
/// Commit more virtual memory as needed
if (pMem->iSize + size > pMem->iCommitted) {
SYSTEM_INFO si;
GetSystemInfo( &si );
SIZE_T n = ((size + si.dwPageSize) / si.dwPageSize) * si.dwPageSize;
pMem->iCommitted = __min( pMem->iCommitted + n, pMem->iReserved );
e = VirtualAlloc( (LPVOID)pMem->pMem, pMem->iCommitted, MEM_COMMIT, PAGE_READWRITE ) ? ERROR_SUCCESS : GetLastError();
}
/// Write
if (e == ERROR_SUCCESS) {
SIZE_T n = __min( size, pMem->iReserved - pMem->iSize );
if (n > 0) {
CopyMemory( (LPVOID)(pMem->pMem + pMem->iSize), buf, n );
pMem->iSize += n;
}
return n;
}
}
return 0;
}
//++ VirtualMemoryReset
void VirtualMemoryReset( _Inout_ VMEMO *pMem )
{
if (pMem) {
if (pMem->pMem)
VirtualFree( (LPVOID)pMem->pMem, pMem->iReserved, MEM_DECOMMIT );
pMem->iCommitted = pMem->iSize = 0;
}
}
//++ VirtualMemoryDestroy
void VirtualMemoryDestroy( _Inout_ VMEMO *pMem )
{
if (pMem) {
if (pMem->pMem)
VirtualFree( (LPVOID)pMem->pMem, 0, MEM_RELEASE );
ZeroMemory( pMem, sizeof( *pMem ) );
}
}
//++ IDataInitialize
void IDataInitialize( _Inout_ IDATA *pData )
{
assert( pData );
ZeroMemory( pData, sizeof( *pData ) );
}
//++ IDataDestroy
void IDataDestroy( _Inout_ IDATA *pData )
{
assert( pData );
MyFree( pData->Str );
ZeroMemory( pData, sizeof( *pData ) );
}
//++ IDataParseParam
//? Syntax: [-string|file|memory] <data>
//? Syntax: [(string|file|memory)] <data> -> still accepted for backward compatibility
BOOL IDataParseParam( _In_ LPTSTR pszParam, _In_ int iParamMaxLen, _Out_ IDATA *pData )
{
BOOL bRet = FALSE, bDataPopped = FALSE;
assert( pszParam && iParamMaxLen && pData );
//? Possible combinations:
//? "-string" "My String"
//? "-file" "C:\\MyDir\\MyFile.ext"
//? "-memory" 0xdeadbeef 256
//? If the (-string|-file|-memory) hint is missing, we try to guess between `-file` and `-string`
IDataInitialize( pData );
// Look for the data hint
if (lstrcmpi( pszParam, _T( "-string" ) ) == 0 || lstrcmpi( pszParam, _T( "-str" ) ) == 0 || lstrcmpi( pszParam, _T( "(string)" ) ) == 0 || lstrcmpi( pszParam, _T( "(str)" ) ) == 0) {
pData->Type = IDATA_TYPE_STRING;
} else if (lstrcmpi( pszParam, _T( "-file-" ) ) == 0 || lstrcmpi( pszParam, _T( "(file)" ) ) == 0) {
pData->Type = IDATA_TYPE_FILE;
} else if (lstrcmpi( pszParam, _T( "-memory" ) ) == 0 || lstrcmpi( pszParam, _T( "-mem" ) ) == 0 || lstrcmpi( pszParam, _T( "-buf" ) ) == 0 || lstrcmpi( pszParam, _T( "(memory)" ) ) == 0 || lstrcmpi( pszParam, _T( "(mem)" ) ) == 0 || lstrcmpi( pszParam, _T( "(buf)" ) ) == 0) {
pData->Type = IDATA_TYPE_MEM;
} else {
// Try to guess data type
if (MyFileExists( pszParam )) {
pData->Type = IDATA_TYPE_FILE;
} else {
pData->Type = IDATA_TYPE_STRING;
}
bDataPopped = TRUE; // pszParam already stores the data itself
}
// Fill IDATA in
if (pData->Type == IDATA_TYPE_STRING) {
if (bDataPopped || popstring( pszParam ) == NO_ERROR) {
// Clone the string (utf8)
if ((pData->Str = MyStrDup( eT2A, pszParam )) != NULL) {
pData->Size = lstrlenA( pData->Str );
bRet = TRUE;
}
}
} else if (pData->Type == IDATA_TYPE_FILE) {
// Clone the filename (TCHAR)
if (bDataPopped || popstring( pszParam ) == NO_ERROR) {
if ((pData->File = MyStrDup( eT2T, pszParam )) != NULL) {
pData->Size = lstrlen( pData->File );
bRet = TRUE;
}
}
} else if (pData->Type == IDATA_TYPE_MEM) {
// Clone the buffer (PVOID)
LPCVOID ptr;
size_t size;
if ((ptr = (LPCVOID)(bDataPopped ? nsishelper_str_to_ptr( pszParam ) : popint())) != NULL) {
if ((size = (ULONG_PTR)popintptr()) != 0) {
if ((pData->Mem = MyAlloc( size )) != NULL) {
CopyMemory( pData->Mem, ptr, size );
pData->Size = size;
bRet = TRUE;
}
}
}
} else {
assert( !"Unexpected data type" );
}
if (!bRet)
IDataDestroy( pData );
return bRet;
}