Lorcan Smith / Mbed 2 deprecated Enet_SPI

SNMP agent attached to SPI slave

Dependencies:   mbed

services/http/util/urlencode.cpp@0:2a53a4c3238c, 2012-08-13 (annotated)

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 #include "url.h"
lorcansmith 0:2a53a4c3238c 25 #include <stdlib.h>
lorcansmith 0:2a53a4c3238c 26 #include <ctype.h>
lorcansmith 0:2a53a4c3238c 27
lorcansmith 0:2a53a4c3238c 28 //From http://www.geekhideout.com/urlcode.shtml
lorcansmith 0:2a53a4c3238c 29
lorcansmith 0:2a53a4c3238c 30 char from_hex(char ch);
lorcansmith 0:2a53a4c3238c 31 char to_hex(char code);
lorcansmith 0:2a53a4c3238c 32
lorcansmith 0:2a53a4c3238c 33 /* Converts a hex character to its integer value */
lorcansmith 0:2a53a4c3238c 34 char from_hex(char ch) {
lorcansmith 0:2a53a4c3238c 35 return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
lorcansmith 0:2a53a4c3238c 36 }
lorcansmith 0:2a53a4c3238c 37
lorcansmith 0:2a53a4c3238c 38 /* Converts an integer value to its hex character*/
lorcansmith 0:2a53a4c3238c 39 char to_hex(char code) {
lorcansmith 0:2a53a4c3238c 40 static char hex[] = "0123456789abcdef";
lorcansmith 0:2a53a4c3238c 41 return hex[code & 15];
lorcansmith 0:2a53a4c3238c 42 }
lorcansmith 0:2a53a4c3238c 43
lorcansmith 0:2a53a4c3238c 44 /* Returns a url-encoded version of str */
lorcansmith 0:2a53a4c3238c 45 /* IMPORTANT: be sure to free() the returned string after use */
lorcansmith 0:2a53a4c3238c 46 char *url_encode(char *str) {
lorcansmith 0:2a53a4c3238c 47 char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
lorcansmith 0:2a53a4c3238c 48 while (*pstr) {
lorcansmith 0:2a53a4c3238c 49 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~')
lorcansmith 0:2a53a4c3238c 50 *pbuf++ = *pstr;
lorcansmith 0:2a53a4c3238c 51 else if (*pstr == ' ')
lorcansmith 0:2a53a4c3238c 52 *pbuf++ = '+';
lorcansmith 0:2a53a4c3238c 53 else
lorcansmith 0:2a53a4c3238c 54 *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
lorcansmith 0:2a53a4c3238c 55 pstr++;
lorcansmith 0:2a53a4c3238c 56 }
lorcansmith 0:2a53a4c3238c 57 *pbuf = '\0';
lorcansmith 0:2a53a4c3238c 58 return buf;
lorcansmith 0:2a53a4c3238c 59 }
lorcansmith 0:2a53a4c3238c 60
lorcansmith 0:2a53a4c3238c 61 /* Returns a url-decoded version of str */
lorcansmith 0:2a53a4c3238c 62 /* IMPORTANT: be sure to free() the returned string after use */
lorcansmith 0:2a53a4c3238c 63 char *url_decode(char *str) {
lorcansmith 0:2a53a4c3238c 64 char *pstr = str, *buf = (char*)malloc(strlen(str) + 1), *pbuf = buf;
lorcansmith 0:2a53a4c3238c 65 while (*pstr) {
lorcansmith 0:2a53a4c3238c 66 if (*pstr == '%') {
lorcansmith 0:2a53a4c3238c 67 if (pstr[1] && pstr[2]) {
lorcansmith 0:2a53a4c3238c 68 *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
lorcansmith 0:2a53a4c3238c 69 pstr += 2;
lorcansmith 0:2a53a4c3238c 70 }
lorcansmith 0:2a53a4c3238c 71 } else if (*pstr == '+') {
lorcansmith 0:2a53a4c3238c 72 *pbuf++ = ' ';
lorcansmith 0:2a53a4c3238c 73 } else {
lorcansmith 0:2a53a4c3238c 74 *pbuf++ = *pstr;
lorcansmith 0:2a53a4c3238c 75 }
lorcansmith 0:2a53a4c3238c 76 pstr++;
lorcansmith 0:2a53a4c3238c 77 }
lorcansmith 0:2a53a4c3238c 78 *pbuf = '\0';
lorcansmith 0:2a53a4c3238c 79 return buf;
lorcansmith 0:2a53a4c3238c 80 }