Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/services/http/util/base64.cpp@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1
ninoderkinderen 0:8d87bc453349 2 /*
ninoderkinderen 0:8d87bc453349 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ninoderkinderen 0:8d87bc453349 4
ninoderkinderen 0:8d87bc453349 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ninoderkinderen 0:8d87bc453349 6 of this software and associated documentation files (the "Software"), to deal
ninoderkinderen 0:8d87bc453349 7 in the Software without restriction, including without limitation the rights
ninoderkinderen 0:8d87bc453349 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ninoderkinderen 0:8d87bc453349 9 copies of the Software, and to permit persons to whom the Software is
ninoderkinderen 0:8d87bc453349 10 furnished to do so, subject to the following conditions:
ninoderkinderen 0:8d87bc453349 11
ninoderkinderen 0:8d87bc453349 12 The above copyright notice and this permission notice shall be included in
ninoderkinderen 0:8d87bc453349 13 all copies or substantial portions of the Software.
ninoderkinderen 0:8d87bc453349 14
ninoderkinderen 0:8d87bc453349 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ninoderkinderen 0:8d87bc453349 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ninoderkinderen 0:8d87bc453349 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ninoderkinderen 0:8d87bc453349 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ninoderkinderen 0:8d87bc453349 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ninoderkinderen 0:8d87bc453349 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ninoderkinderen 0:8d87bc453349 21 THE SOFTWARE.
ninoderkinderen 0:8d87bc453349 22 */
ninoderkinderen 0:8d87bc453349 23
ninoderkinderen 0:8d87bc453349 24 #include "base64.h"
ninoderkinderen 0:8d87bc453349 25 //Originaly from Rolf's iputil.c
ninoderkinderen 0:8d87bc453349 26
ninoderkinderen 0:8d87bc453349 27 #ifdef __cplusplus
ninoderkinderen 0:8d87bc453349 28 extern "C" {
ninoderkinderen 0:8d87bc453349 29 #endif
ninoderkinderen 0:8d87bc453349 30
ninoderkinderen 0:8d87bc453349 31 #include <string.h>
ninoderkinderen 0:8d87bc453349 32
ninoderkinderen 0:8d87bc453349 33 unsigned int base64enc_len(const char* str) {
ninoderkinderen 0:8d87bc453349 34 return (((strlen(str)-1)/3)+1)<<2;
ninoderkinderen 0:8d87bc453349 35 }
ninoderkinderen 0:8d87bc453349 36
ninoderkinderen 0:8d87bc453349 37 void base64enc(const char *input, unsigned int length, char *output) {
ninoderkinderen 0:8d87bc453349 38 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
ninoderkinderen 0:8d87bc453349 39 unsigned int c, c1, c2, c3;
ninoderkinderen 0:8d87bc453349 40 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
ninoderkinderen 0:8d87bc453349 41 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
ninoderkinderen 0:8d87bc453349 42 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
ninoderkinderen 0:8d87bc453349 43 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
ninoderkinderen 0:8d87bc453349 44
ninoderkinderen 0:8d87bc453349 45 c = ((c1 & 0xFC) >> 2);
ninoderkinderen 0:8d87bc453349 46 output[j+0] = base64[c];
ninoderkinderen 0:8d87bc453349 47 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
ninoderkinderen 0:8d87bc453349 48 output[j+1] = base64[c];
ninoderkinderen 0:8d87bc453349 49 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
ninoderkinderen 0:8d87bc453349 50 output[j+2] = (length>i+1)?base64[c]:'=';
ninoderkinderen 0:8d87bc453349 51 c = (c3 & 0x3F);
ninoderkinderen 0:8d87bc453349 52 output[j+3] = (length>i+2)?base64[c]:'=';
ninoderkinderen 0:8d87bc453349 53 }
ninoderkinderen 0:8d87bc453349 54 output[(((length-1)/3)+1)<<2] = '\0';
ninoderkinderen 0:8d87bc453349 55 }
ninoderkinderen 0:8d87bc453349 56
ninoderkinderen 0:8d87bc453349 57 #ifdef __cplusplus
ninoderkinderen 0:8d87bc453349 58 }
ninoderkinderen 0:8d87bc453349 59 #endif
ninoderkinderen 0:8d87bc453349 60