Sivan Toledo / Mbed 2 deprecated Sync

Student project by David Berlin and Boris Dogadov made for the Embedded Systems Workshop course given in Tel-Aviv University on 2010 by Sivan Toledo. Visit the project website for more details: http://davidberlin.co.il/sadna/ .

Dependencies:   EthernetNetIf NTPClient_NetServices mbed HTTPServer HTTPClient CyaSSL

Dropbox/base64.cpp@1:b05231650f32, 2011-04-25 (annotated)

Committer:
sivan_toledo
Date:
Mon Apr 25 12:31:46 2011 +0000
Revision:
1:b05231650f32
Parent:
0:3e7d6f496a67 

        

        
Who changed what in which revision?

        

            
                
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 /*





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





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





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





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 in the Software without restriction, including without limitation the rights





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





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





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 furnished to do so, subject to the following conditions:





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





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 all copies or substantial portions of the Software.





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





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





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





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





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





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





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 THE SOFTWARE.





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 */





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 #include "base64.h"





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 //Originaly from Rolf's iputil.c





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 #ifdef __cplusplus





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 extern "C" {





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 #endif





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 #include <string.h>





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 unsigned int base64enc_len(const char *str) {





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





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 }





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





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





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   unsigned int c, c1, c2, c3;





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





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





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





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





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





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





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





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





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





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





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     c = (c3 & 0x3F);





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





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   }





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





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 }





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 #ifdef __cplusplus





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 }





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 #endif