#ifndef __BASE_64__
#define __BASE_64__

#define BPAD		'='		/* Padding for odd-sized output */
#define BERR		0xFF	/* Illegal char marker */
#define BEOF		0x7F	/* EOF marker (padding char or EOL) */

typedef unsigned char byte;

static const byte asciiToBin64[] =
	{ BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BEOF, BERR, BERR, BEOF, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, 0x3E, BERR, BERR, BERR, 0x3F,
	  0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
	  0x3C, 0x3D, BERR, BERR, BERR, BEOF, BERR, BERR,
	  BERR, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
	  0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
	  0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
	  0x17, 0x18, 0x19, BERR, BERR, BERR, BERR, BERR,
	  BERR, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
	  0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
	  0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
	  0x31, 0x32, 0x33, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR,
	  BERR, BERR, BERR, BERR, BERR, BERR, BERR, BERR
	};

static const byte binToAscii64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

char *base64encode(const char *, const int);
char *base64decode(const char *, size_t *);

string base64encode(const string);
string base64decode(const string);

string base64decode(const char *);

#define encode64(data) binToAscii64[data]
#define decode64(data) asciiToBin64[data]

#endif