FBI FRATER / Mbed 2 deprecated InetTest

Library for Bert van Dam's book "ARM MICROCONTROLLERS" For all chapters with internet.

Dependencies:   mbed

NetServices/services/http/util/base64.cpp@0:4edb816d21e1, 2015-10-16 (annotated)

Committer:
ICTFBI
Date:
Fri Oct 16 14:28:26 2015 +0000
Revision:
0:4edb816d21e1
Pre-update 16-10-15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ICTFBI 0:4edb816d21e1 1
ICTFBI 0:4edb816d21e1 2 /*
ICTFBI 0:4edb816d21e1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ICTFBI 0:4edb816d21e1 4
ICTFBI 0:4edb816d21e1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ICTFBI 0:4edb816d21e1 6 of this software and associated documentation files (the "Software"), to deal
ICTFBI 0:4edb816d21e1 7 in the Software without restriction, including without limitation the rights
ICTFBI 0:4edb816d21e1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ICTFBI 0:4edb816d21e1 9 copies of the Software, and to permit persons to whom the Software is
ICTFBI 0:4edb816d21e1 10 furnished to do so, subject to the following conditions:
ICTFBI 0:4edb816d21e1 11
ICTFBI 0:4edb816d21e1 12 The above copyright notice and this permission notice shall be included in
ICTFBI 0:4edb816d21e1 13 all copies or substantial portions of the Software.
ICTFBI 0:4edb816d21e1 14
ICTFBI 0:4edb816d21e1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ICTFBI 0:4edb816d21e1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ICTFBI 0:4edb816d21e1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ICTFBI 0:4edb816d21e1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ICTFBI 0:4edb816d21e1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ICTFBI 0:4edb816d21e1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ICTFBI 0:4edb816d21e1 21 THE SOFTWARE.
ICTFBI 0:4edb816d21e1 22 */
ICTFBI 0:4edb816d21e1 23
ICTFBI 0:4edb816d21e1 24 #include "base64.h"
ICTFBI 0:4edb816d21e1 25 //Originaly from Rolf's iputil.c
ICTFBI 0:4edb816d21e1 26
ICTFBI 0:4edb816d21e1 27 #ifdef __cplusplus
ICTFBI 0:4edb816d21e1 28 extern "C" {
ICTFBI 0:4edb816d21e1 29 #endif
ICTFBI 0:4edb816d21e1 30
ICTFBI 0:4edb816d21e1 31 #include <string.h>
ICTFBI 0:4edb816d21e1 32
ICTFBI 0:4edb816d21e1 33 unsigned int base64enc_len(const char* str) {
ICTFBI 0:4edb816d21e1 34 return (((strlen(str)-1)/3)+1)<<2;
ICTFBI 0:4edb816d21e1 35 }
ICTFBI 0:4edb816d21e1 36
ICTFBI 0:4edb816d21e1 37 void base64enc(const char *input, unsigned int length, char *output) {
ICTFBI 0:4edb816d21e1 38 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
ICTFBI 0:4edb816d21e1 39 unsigned int c, c1, c2, c3;
ICTFBI 0:4edb816d21e1 40 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
ICTFBI 0:4edb816d21e1 41 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
ICTFBI 0:4edb816d21e1 42 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
ICTFBI 0:4edb816d21e1 43 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
ICTFBI 0:4edb816d21e1 44
ICTFBI 0:4edb816d21e1 45 c = ((c1 & 0xFC) >> 2);
ICTFBI 0:4edb816d21e1 46 output[j+0] = base64[c];
ICTFBI 0:4edb816d21e1 47 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
ICTFBI 0:4edb816d21e1 48 output[j+1] = base64[c];
ICTFBI 0:4edb816d21e1 49 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
ICTFBI 0:4edb816d21e1 50 output[j+2] = (length>i+1)?base64[c]:'=';
ICTFBI 0:4edb816d21e1 51 c = (c3 & 0x3F);
ICTFBI 0:4edb816d21e1 52 output[j+3] = (length>i+2)?base64[c]:'=';
ICTFBI 0:4edb816d21e1 53 }
ICTFBI 0:4edb816d21e1 54 output[(((length-1)/3)+1)<<2] = '\0';
ICTFBI 0:4edb816d21e1 55 }
ICTFBI 0:4edb816d21e1 56
ICTFBI 0:4edb816d21e1 57 #ifdef __cplusplus
ICTFBI 0:4edb816d21e1 58 }
ICTFBI 0:4edb816d21e1 59 #endif
ICTFBI 0:4edb816d21e1 60