2 * Copyright (C) 2010-2013 jeanfi@gmail.com
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * Part of the following code is based on:
22 * http://www.geekhideout.com/urlcode.shtml
30 char *url_normalize(const char *url)
33 char *ret = strdup(url);
35 if (url[n - 1] == '/')
41 static char to_hex(char code)
43 static const char hex[] = "0123456789abcdef";
44 return hex[code & 0x0f];
48 * Returns a url-encoded version of str.
50 char *url_encode(const char *str)
54 buf = malloc(strlen(str) * 3 + 1);
62 *c == '.' || *c == '_' || *c == '-' || *c == '~')
66 *pbuf++ = to_hex(*c >> 4);
67 *pbuf++ = to_hex(*c & 0x0f);