Brandon Fictorie / Mbed 2 deprecated BF_Websocket

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

NetServices/services/http/util/base64.cpp@0:8cdad1c73e8e, 2012-03-25 (annotated)

Committer:
bfictorie
Date:
Sun Mar 25 17:26:30 2012 +0000
Revision:
0:8cdad1c73e8e

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


bfictorie

0:8cdad1c73e8e


     1







bfictorie

0:8cdad1c73e8e


     2

/*





bfictorie

0:8cdad1c73e8e


     3

Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)





bfictorie

0:8cdad1c73e8e


     4

 





bfictorie

0:8cdad1c73e8e


     5

Permission is hereby granted, free of charge, to any person obtaining a copy





bfictorie

0:8cdad1c73e8e


     6

of this software and associated documentation files (the "Software"), to deal





bfictorie

0:8cdad1c73e8e


     7

in the Software without restriction, including without limitation the rights





bfictorie

0:8cdad1c73e8e


     8

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell





bfictorie

0:8cdad1c73e8e


     9

copies of the Software, and to permit persons to whom the Software is





bfictorie

0:8cdad1c73e8e


    10

furnished to do so, subject to the following conditions:





bfictorie

0:8cdad1c73e8e


    11

 





bfictorie

0:8cdad1c73e8e


    12

The above copyright notice and this permission notice shall be included in





bfictorie

0:8cdad1c73e8e


    13

all copies or substantial portions of the Software.





bfictorie

0:8cdad1c73e8e


    14

 





bfictorie

0:8cdad1c73e8e


    15

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR





bfictorie

0:8cdad1c73e8e


    16

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,





bfictorie

0:8cdad1c73e8e


    17

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE





bfictorie

0:8cdad1c73e8e


    18

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER





bfictorie

0:8cdad1c73e8e


    19

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





bfictorie

0:8cdad1c73e8e


    20

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN





bfictorie

0:8cdad1c73e8e


    21

THE SOFTWARE.





bfictorie

0:8cdad1c73e8e


    22

*/





bfictorie

0:8cdad1c73e8e


    23







bfictorie

0:8cdad1c73e8e


    24

#include "base64.h"





bfictorie

0:8cdad1c73e8e


    25

//Originaly from Rolf's iputil.c





bfictorie

0:8cdad1c73e8e


    26







bfictorie

0:8cdad1c73e8e


    27

#ifdef __cplusplus





bfictorie

0:8cdad1c73e8e


    28

extern "C" {





bfictorie

0:8cdad1c73e8e


    29

#endif





bfictorie

0:8cdad1c73e8e


    30







bfictorie

0:8cdad1c73e8e


    31

#include <string.h>





bfictorie

0:8cdad1c73e8e


    32







bfictorie

0:8cdad1c73e8e


    33

unsigned int base64enc_len(const char* str) {





bfictorie

0:8cdad1c73e8e


    34

  return (((strlen(str)-1)/3)+1)<<2;





bfictorie

0:8cdad1c73e8e


    35

}





bfictorie

0:8cdad1c73e8e


    36







bfictorie

0:8cdad1c73e8e


    37

void base64enc(const char *input, unsigned int length, char *output) {





bfictorie

0:8cdad1c73e8e


    38

  static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";





bfictorie

0:8cdad1c73e8e


    39

  unsigned int c, c1, c2, c3;





bfictorie

0:8cdad1c73e8e


    40

  for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {





bfictorie

0:8cdad1c73e8e


    41

    c1 = ((((unsigned char)*((unsigned char *)&input[i]))));





bfictorie

0:8cdad1c73e8e


    42

    c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;





bfictorie

0:8cdad1c73e8e


    43

    c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;





bfictorie

0:8cdad1c73e8e


    44







bfictorie

0:8cdad1c73e8e


    45

    c = ((c1 & 0xFC) >> 2);





bfictorie

0:8cdad1c73e8e


    46

    output[j+0] = base64[c];





bfictorie

0:8cdad1c73e8e


    47

    c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);





bfictorie

0:8cdad1c73e8e


    48

    output[j+1] = base64[c];





bfictorie

0:8cdad1c73e8e


    49

    c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);





bfictorie

0:8cdad1c73e8e


    50

    output[j+2] = (length>i+1)?base64[c]:'=';





bfictorie

0:8cdad1c73e8e


    51

    c = (c3 & 0x3F);





bfictorie

0:8cdad1c73e8e


    52

    output[j+3] = (length>i+2)?base64[c]:'=';





bfictorie

0:8cdad1c73e8e


    53

  }





bfictorie

0:8cdad1c73e8e


    54

  output[(((length-1)/3)+1)<<2] = '\0';





bfictorie

0:8cdad1c73e8e


    55

}





bfictorie

0:8cdad1c73e8e


    56







bfictorie

0:8cdad1c73e8e


    57

#ifdef __cplusplus





bfictorie

0:8cdad1c73e8e


    58

}





bfictorie

0:8cdad1c73e8e


    59

#endif





bfictorie

0:8cdad1c73e8e


    60