xref: /netbsd-src/external/bsd/tmux/dist/cmd-list-clients.c (revision 6cf6fe02a981b55727c49c3d37b0d8191a98c0ee)
1 /* Id */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5  *
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.
9  *
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.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <stdlib.h>
22 #include <string.h>
23 #include <time.h>
24 
25 #include "tmux.h"
26 
27 /*
28  * List all clients.
29  */
30 
31 enum cmd_retval	cmd_list_clients_exec(struct cmd *, struct cmd_q *);
32 
33 const struct cmd_entry cmd_list_clients_entry = {
34 	"list-clients", "lsc",
35 	"F:t:", 0, 0,
36 	"[-F format] " CMD_TARGET_SESSION_USAGE,
37 	CMD_READONLY,
38 	NULL,
39 	cmd_list_clients_exec
40 };
41 
42 enum cmd_retval
43 cmd_list_clients_exec(struct cmd *self, struct cmd_q *cmdq)
44 {
45 	struct args 		*args = self->args;
46 	struct client		*c;
47 	struct session		*s;
48 	struct format_tree	*ft;
49 	const char		*template;
50 	u_int			 i;
51 	char			*line;
52 
53 	if (args_has(args, 't')) {
54 		s = cmd_find_session(cmdq, args_get(args, 't'), 0);
55 		if (s == NULL)
56 			return (CMD_RETURN_ERROR);
57 	} else
58 		s = NULL;
59 
60 	if ((template = args_get(args, 'F')) == NULL)
61 		template = LIST_CLIENTS_TEMPLATE;
62 
63 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
64 		c = ARRAY_ITEM(&clients, i);
65 		if (c == NULL || c->session == NULL)
66 			continue;
67 
68 		if (s != NULL && s != c->session)
69 			continue;
70 
71 		ft = format_create();
72 		format_add(ft, "line", "%u", i);
73 		format_session(ft, c->session);
74 		format_client(ft, c);
75 
76 		line = format_expand(ft, template);
77 		cmdq_print(cmdq, "%s", line);
78 		free(line);
79 
80 		format_free(ft);
81 	}
82 
83 	return (CMD_RETURN_NORMAL);
84 }
85