int debug_outputln_bufferedA(LPCTSTR formatString, ...)
{
HRESULT hr;
LPTSTR pszDestEnd;
va_list args;
va_start(args, formatString);
/* Write a formatted string into the temporary buffer */
hr = StringCchVPrintfEx(g_outputBuffer, OUTPUT_BUFFER_LEN, &pszDestEnd, NULL, 0, formatString, args);
if (SUCCEEDED(hr) || hr == STRSAFE_E_INSUFFICIENT_BUFFER)
{
/* Check if the sum of write_offset and string length is greater,
* than output buffer size. If so, then flush output buffer
* copy from temporary buffer @ write offset
* replace last character with '\n'
*/
UINT new_string_length = pszDestEnd - g_outputBuffer + 1; /* We count the terminating null, hence +1. This null will be replaced by the '\n' character. */
UINT new_write_offset = g_write_offset + new_string_length;
*pszDestEnd = '\n';
if (new_write_offset>BUFFER_MAX_TCHARS)
{
debug_output_flush();
}
/* CopyMemory - as we know the length and we know the source string may not be NULL terminated */
CopyMemory(&g_lines[g_write_offset], g_outputBuffer, new_string_length*sizeof(TCHAR));
g_write_offset += new_string_length;
}
va_end(args);
return hr;
}
INT
myPRINT::mf__OutputDebugString(LPCTSTR lpFormat, ...)
{
va_list ap;
va_start(ap, lpFormat);
TCHAR buffer[512];
LPTSTR lpEndPtr;
HRESULT hResult = StringCchVPrintfEx(
buffer, // LPTSTR pszDest
512, // size_t cchDest (in characters)
&lpEndPtr, // LPTSTR* ppszDestEnd
NULL, // size_t* pcchRemaing
0, // DWORD dwFlags
lpFormat, // LPCTSTR pszFormat
ap // va_list argList
);
if (hResult != S_OK && hResult != STRSAFE_E_INSUFFICIENT_BUFFER) {
va_end(ap);
return -1;
}
DWORD dwNumberOfCharsToWrite = (DWORD) (lpEndPtr - buffer);
OutputDebugString(buffer);
va_end(ap);
return 0;
}
INT
myPRINT::mf__fprintf(HANDLE m__CONXXX, LPCTSTR lpFormat, ...)
{
if (!m__bUseConsole)
return 0;
if (!m__CONXXX) {
// There is no associated standard handle.
return 0;
}
va_list arglist;
va_start(arglist, lpFormat);
INT iReturnVal = 0;
TCHAR buffer[512];
LPTSTR lpEndPtr;
HRESULT hResult = StringCchVPrintfEx(
buffer, // LPTSTR pszDest
512, // size_t cchDest (in characters)
&lpEndPtr, // LPTSTR* ppszDestEnd
NULL, // size_t* pcchRemaing
0, // DWORD dwFlags
lpFormat, // LPCTSTR pszFormat
arglist // va_list argList
);
if (hResult != S_OK && hResult != STRSAFE_E_INSUFFICIENT_BUFFER) {
va_end(arglist);
return -1;
}
DWORD dwNumberOfCharsToWrite = (DWORD) (lpEndPtr - buffer);
DWORD dwNumberOfCharsWritten;
if (WriteConsole(
m__CONXXX,
buffer,
dwNumberOfCharsToWrite,
(LPDWORD) &dwNumberOfCharsWritten,
NULL
) == 0) {
iReturnVal = -1;
DWORD dwLastError = GetLastError();
} else {
iReturnVal = dwNumberOfCharsWritten;
}
va_end(arglist);
return iReturnVal;
}
static VOID DebugMsg( LPCTSTR lpszFormat, ... )
{
va_list arg;
TCHAR buf[ 4096 ];
LPTSTR lpszEnd;
va_start( arg, lpszFormat );
if( StringCchVPrintfEx(
buf, _countof( buf ) - 3,
&lpszEnd, NULL, STRSAFE_IGNORE_NULLS, lpszFormat, arg ) == S_OK )
{
*lpszEnd++ = '\r';
*lpszEnd++ = '\n';
*lpszEnd = '\0';
OutputDebugString( buf );
}else{
OutputDebugString( lpszFormat );
}
va_end( arg );
}
INT
myPRINT::mf__SystemErrorMessage(
DWORD dwErrorCode,
LPCTSTR lpFormat,
...
)
{
va_list ap;
va_start(ap, lpFormat);
TCHAR buffer[512];
LPTSTR lpEndPtr;
HRESULT hResult = StringCchVPrintfEx(
buffer, // LPTSTR pszDest
512, // size_t cchDest (in characters)
&lpEndPtr, // LPTSTR* ppszDestEnd
NULL, // size_t* pcchRemaing
0, // DWORD dwFlags
lpFormat, // LPCTSTR pszFormat
ap // va_list argList
);
if (hResult != S_OK && hResult != STRSAFE_E_INSUFFICIENT_BUFFER)
return -1;
va_end(ap);
LPVOID lpMsgBuf = NULL;
DWORD dwTCHARs = FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
// FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_MAX_WIDTH_MASK // no limit of characters in a line && no newline break
,
NULL,
dwErrorCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
// MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
(LPTSTR) &lpMsgBuf,
0,
NULL
);
if (!dwTCHARs) {
mf__fprintf(m__CONERR,
TEXT("DWORD FormatMessage(...) fails: ")
TEXT("DWORD GetLastError(VOID) = %u")
TEXT("\n")
,
GetLastError()
);
return -1;
}
mf__fprintf(m__CONERR,
TEXT("User: %s")
TEXT("\n") // "\n" appended
TEXT("System: (%u) %s")
TEXT("\n") // "\n" appended
,
buffer,
dwErrorCode,
lpMsgBuf
);
if (LocalFree(lpMsgBuf) != NULL) {
mf__fprintf(m__CONERR,
TEXT("HLOCAL LocalFree(HLOCAL) fails: ")
TEXT("DWORD GetLastError(VOID) = 0x%08X")
TEXT("\n")
TEXT("\tlpMsgBuf = 0x%08X NOT freed!")
TEXT("\n")
,
GetLastError()
);
}
return 0;
}
