File content as of revision 1:e392595b4b76:

/*
Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef BASE64_H
#define BASE64_H

#include <stdint.h>
/*
#include <string>
using std::string;
*/

#ifdef __cplusplus
extern "C" {
#endif

//Originaly from Rolf's iputil.h

//uint32_t base64enc_len(const uint32_t slen);
//uint32_t base64enc_len(const int8_t* str);

#define BASE64ENC_LEN(slen) ( ((((slen)-1)/3)+1)<<2 )

void base64enc(const char *input, uint32_t length, char *output);

#ifdef __cplusplus
}
#endif

/*
class Base64
{
public:
  static uint32_t base64enc_len(const string& str)
  {
    //return (((str.length()-1)/3)+1)<<2;
    return base64enc_len(str.length());
  }
    
    static
    void encode(const int8_t* in, const uint32_t len, int8_t* out) {
        base64enc(in, len, out);
    }
    
  static string encode(const string& str)
  {
    int8_t* out = new int8_t[ base64enc_len(str) ];
    base64enc(str.c_str(), str.length(), out);
    string res(out);
    delete[] out;
    return res;
  }
};
*/

#endif