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Annotation of src/usr.bin/tmux/cmd-list-clients.c, Revision 1.18

1.18    ! nicm        1: /* $OpenBSD: cmd-list-clients.c,v 1.17 2013/10/10 12:00:20 nicm Exp $ */
1.1       nicm        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:
1.11      nicm       21: #include <stdlib.h>
1.1       nicm       22: #include <string.h>
                     23: #include <time.h>
                     24:
                     25: #include "tmux.h"
                     26:
                     27: /*
                     28:  * List all clients.
                     29:  */
                     30:
1.16      nicm       31: enum cmd_retval        cmd_list_clients_exec(struct cmd *, struct cmd_q *);
1.1       nicm       32:
                     33: const struct cmd_entry cmd_list_clients_entry = {
                     34:        "list-clients", "lsc",
1.9       nicm       35:        "F:t:", 0, 0,
                     36:        "[-F format] " CMD_TARGET_SESSION_USAGE,
1.8       nicm       37:        CMD_READONLY,
1.6       nicm       38:        cmd_list_clients_exec
1.1       nicm       39: };
                     40:
1.12      nicm       41: enum cmd_retval
1.16      nicm       42: cmd_list_clients_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       43: {
1.9       nicm       44:        struct args             *args = self->args;
                     45:        struct client           *c;
                     46:        struct session          *s;
                     47:        struct format_tree      *ft;
                     48:        const char              *template;
                     49:        u_int                    i;
                     50:        char                    *line;
1.1       nicm       51:
1.7       nicm       52:        if (args_has(args, 't')) {
1.16      nicm       53:                s = cmd_find_session(cmdq, args_get(args, 't'), 0);
1.7       nicm       54:                if (s == NULL)
1.12      nicm       55:                        return (CMD_RETURN_ERROR);
1.7       nicm       56:        } else
                     57:                s = NULL;
                     58:
1.10      nicm       59:        if ((template = args_get(args, 'F')) == NULL)
1.13      nicm       60:                template = LIST_CLIENTS_TEMPLATE;
1.9       nicm       61:
1.1       nicm       62:        for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
                     63:                c = ARRAY_ITEM(&clients, i);
                     64:                if (c == NULL || c->session == NULL)
                     65:                        continue;
                     66:
1.7       nicm       67:                if (s != NULL && s != c->session)
                     68:                        continue;
1.9       nicm       69:
                     70:                ft = format_create();
                     71:                format_add(ft, "line", "%u", i);
                     72:                format_session(ft, c->session);
                     73:                format_client(ft, c);
                     74:
                     75:                line = format_expand(ft, template);
1.16      nicm       76:                cmdq_print(cmdq, "%s", line);
1.11      nicm       77:                free(line);
1.9       nicm       78:
                     79:                format_free(ft);
1.1       nicm       80:        }
                     81:
1.12      nicm       82:        return (CMD_RETURN_NORMAL);
1.1       nicm       83: }