Switch to GPL v3
[disorder] / lib / kvp.h
1 /*
2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifndef KVP_H
20 #define KVP_H
21
22 struct dynstr;
23 struct sink;
24
25 struct kvp {
26 struct kvp *next; /* next entry */
27 const char *name; /* name */
28 const char *value; /* value */
29 };
30
31 struct kvp *kvp_urldecode(const char *ptr, size_t n);
32 /* url-decode [ptr,ptr+n) */
33
34 char *kvp_urlencode(const struct kvp *kvp, size_t *np);
35 /* url-encode @kvp@ into a null-terminated string. If @np@ is not
36 * null return the length thru it. */
37
38 int kvp_set(struct kvp **kvpp, const char *name, const char *value);
39 /* set @name@ to @value@. If @value@ is 0, remove @name@.
40 * Returns 1 if we made a real change, else 0. */
41
42 const char *kvp_get(const struct kvp *kvp, const char *name);
43 /* Get the value of @name@ */
44
45 int urldecode(struct sink *sink, const char *ptr, size_t n);
46 /* url-decode the @n@ bytes at @ptr@, writing the results to @s@.
47 * Return 0 on success, -1 on error. */
48
49 int urlencode(struct sink *sink, const char *s, size_t n);
50 /* url-encode the @n@ bytes at @s@, writing to @sink@. Return 0 on
51 * success, -1 on error. */
52
53 char *urlencodestring(const char *s);
54 /* return the url-encoded form of @s@ */
55
56 char *urldecodestring(const char *s, size_t ns);
57 struct kvp *kvp_make(const char *key, ...);
58
59 #endif /* KVP_H */
60
61 /*
62 Local Variables:
63 c-basic-offset:2
64 comment-column:40
65 End:
66 */