external/bsd/tmux/dist/cmd-list-clients.c

   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 }