Fix a memory leak, from Japin Li in GitHub issue 3358.
[tmux.git] / cmd-list-clients.c
blob53a9917847f5dda2ee53a90ea9279946d9a74da6
1 /* $OpenBSD$ */
3 /*
4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #include <sys/types.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <time.h>
25 #include "tmux.h"
28 * List all clients.
31 #define LIST_CLIENTS_TEMPLATE \
32 "#{client_name}: #{session_name} " \
33 "[#{client_width}x#{client_height} #{client_termname}] " \
34 "#{?#{!=:#{client_uid},#{uid}}," \
35 "[user #{?client_user,#{client_user},#{client_uid},}] ,}" \
36 "#{?client_flags,(,}#{client_flags}#{?client_flags,),}"
38 static enum cmd_retval cmd_list_clients_exec(struct cmd *, struct cmdq_item *);
40 const struct cmd_entry cmd_list_clients_entry = {
41 .name = "list-clients",
42 .alias = "lsc",
44 .args = { "F:t:", 0, 0, NULL },
45 .usage = "[-F format] " CMD_TARGET_SESSION_USAGE,
47 .target = { 't', CMD_FIND_SESSION, 0 },
49 .flags = CMD_READONLY|CMD_AFTERHOOK,
50 .exec = cmd_list_clients_exec
53 static enum cmd_retval
54 cmd_list_clients_exec(struct cmd *self, struct cmdq_item *item)
56 struct args *args = cmd_get_args(self);
57 struct cmd_find_state *target = cmdq_get_target(item);
58 struct client *c;
59 struct session *s;
60 struct format_tree *ft;
61 const char *template;
62 u_int idx;
63 char *line;
65 if (args_has(args, 't'))
66 s = target->s;
67 else
68 s = NULL;
70 if ((template = args_get(args, 'F')) == NULL)
71 template = LIST_CLIENTS_TEMPLATE;
73 idx = 0;
74 TAILQ_FOREACH(c, &clients, entry) {
75 if (c->session == NULL || (s != NULL && s != c->session))
76 continue;
78 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
79 format_add(ft, "line", "%u", idx);
80 format_defaults(ft, c, NULL, NULL, NULL);
82 line = format_expand(ft, template);
83 cmdq_print(item, "%s", line);
84 free(line);
86 format_free(ft);
88 idx++;
91 return (CMD_RETURN_NORMAL);