chiark / gitweb /
Merge drag+drop rewrite. It's now possible to drag multiple rows in
[disorder] / lib / client-common.c
... / ...
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1/*
2 * This file is part of DisOrder
3 * Copyright (C) 2004, 2005, 2006, 2007 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/** @file lib/client-common.c
19 * @brief Common code to client APIs
20 */
21
22#include "common.h"
23
24#include <netinet/in.h>
25#include <sys/un.h>
26#include <errno.h>
27#include <netdb.h>
28
29#include "log.h"
30#include "configuration.h"
31#include "client-common.h"
32#include "addr.h"
33#include "mem.h"
34
35/** @brief Figure out what address to connect to
36 * @param c Configuration to honor
37 * @param sap Where to store pointer to sockaddr
38 * @param namep Where to store socket name
39 * @return Socket length, or (socklen_t)-1
40 */
41socklen_t find_server(struct config *c,
42 struct sockaddr **sap, char **namep) {
43 struct sockaddr *sa;
44 struct sockaddr_un su;
45 struct addrinfo *res = 0;
46 char *name;
47 socklen_t len;
48
49 if(c->connect.af != -1) {
50 res = netaddress_resolve(&c->connect, 0, IPPROTO_TCP);
51 if(!res)
52 return -1;
53 sa = res->ai_addr;
54 len = res->ai_addrlen;
55 } else {
56 name = config_get_file2(c, "socket");
57 if(strlen(name) >= sizeof su.sun_path) {
58 error(errno, "socket path is too long");
59 return -1;
60 }
61 memset(&su, 0, sizeof su);
62 su.sun_family = AF_UNIX;
63 strcpy(su.sun_path, name);
64 sa = (struct sockaddr *)&su;
65 len = sizeof su;
66 }
67 *sap = xmalloc_noptr(len);
68 memcpy(*sap, sa, len);
69 if(namep)
70 *namep = format_sockaddr(sa);
71 if(res)
72 freeaddrinfo(res);
73 return len;
74}
75
76/*
77Local Variables:
78c-basic-offset:2
79comment-column:40
80fill-column:79
81indent-tabs-mode:nil
82End:
83*/