AMMimeUtils

*(fresult++) = '='

bool ok = true;
for (i = 0; i < 2; i++)
{
	if (hexmap[ toupper(input[i]) ] == SKIP)
	{
		//we have an error, or a linebreak, in the encoding...
		ok = false;
		if (input[i] == '\r' && input[i + 1] == '\n')
		{
			input += 2;
			//*(result++) = '\r';
			//*(result++) = '\n';
			break;
		}
		else
		{
			//we have an error in the encoding...
			bError = TRUE;
			//s--;
		}
	}
	mid[i] = toupper(input[i]);
}

char* pPointerToQPData;
std::string sOutput;
 
long lFileSize = QuotedPrintable_DecodeEx(pPointerToQPData, sOutput);
CFile file;
file.Open("C:\\file.bin", CFile::modeCreate|CFile::modeReadWrite);
file.Write(sOutput.c_str(), lFileSize);
file.Close();
 
//I hope this will help.
//Best regards, Irek Zielinski, Krakow, Poland

----
the code:
 
#include <string>
 
#define SKIP '\202'
 
const char hexmap[] = {
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
      0 ,    1 ,    2 ,    3 ,    4 ,    5 ,    6 ,    7 ,
      8 ,    9 ,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,    10,    11,    12,    13,    14,    15,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,
     SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP,   SKIP
};
 
/*
  Return value: length of binary data
*/
int QuotedPrintable_DecodeEx(const char *input, std::string& a_sOutput)
{
	BOOL bError = FALSE;
	int  iFileLen = 0;
	
	a_sOutput.resize(strlen(input)+1);
 
	while (*input != '\0') //loop through the entire string...
	{
		if (*input == '=') //woops, needs to be decoded...
		{
			for (int i = 0; i < 3; i++) //is s more than 3 chars long...
			{
				if (input[i] == '\0')
				{
					//error in the decoding...
					bError = TRUE;
					return iFileLen;
				}
			}
			char mid[3];
			input++; //move past the "="
			//let's put the hex part into mid...
			bool ok = true;
			for (i = 0; i < 2; i++)
			{
				if (hexmap[input[i]] == SKIP)
				{
					//we have an error, or a linebreak, in the encoding...
					ok = false;
					if (input[i] == '\r' && input[i + 1] == '\n')
					{
						input += 2;
						//*(result++) = '\r';
						//*(result++) = '\n';
						break;
					}
					else
					{
						//we have an error in the encoding...
						bError = TRUE;
						//s--;
					}
				}
				mid[i] = input[i];
			}
			//now we just have to convert the hex string to an char...
			if (ok)
			{
				input += 2;
				int m = hexmap[mid[0]];
				m <<= 4;
				m |= hexmap[mid[1]];
				
				a_sOutput[iFileLen++] = m;
			}
		}
		else
		{
			if (*input != '\0') 
			{
				a_sOutput[iFileLen++] = *(input++);
			}
		}
	}
	
	return iFileLen;
}