cmd-rename-session.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   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
  24 #include "tmux.h"
  25
  26 /*
  27  * Change session name.
  28  */
  29
  30 static enum cmd_retval  cmd_rename_session_exec(struct cmd *,
  31                             struct cmdq_item *);
  32
  33 const struct cmd_entry cmd_rename_session_entry = {
  34         .name = "rename-session",
  35         .alias = "rename",
  36
  37         .args = { "t:", 1, 1, NULL },
  38         .usage = CMD_TARGET_SESSION_USAGE " new-name",
  39
  40         .target = { 't', CMD_FIND_SESSION, 0 },
  41
  42         .flags = CMD_AFTERHOOK,
  43         .exec = cmd_rename_session_exec
  44 };
  45
  46 static enum cmd_retval
  47 cmd_rename_session_exec(struct cmd *self, struct cmdq_item *item)
  48 {
  49         struct args             *args = cmd_get_args(self);
  50         struct cmd_find_state   *target = cmdq_get_target(item);
  51         struct session          *s = target->s;
  52         char                    *newname, *tmp;
  53
  54         tmp = format_single_from_target(item, args_string(args, 0));
  55         newname = session_check_name(tmp);
  56         if (newname == NULL) {
  57                 cmdq_error(item, "invalid session: %s", tmp);
  58                 free(tmp);
  59                 return (CMD_RETURN_ERROR);
  60         }
  61         free(tmp);
  62         if (strcmp(newname, s->name) == 0) {
  63                 free(newname);
  64                 return (CMD_RETURN_NORMAL);
  65         }
  66         if (session_find(newname) != NULL) {
  67                 cmdq_error(item, "duplicate session: %s", newname);
  68                 free(newname);
  69                 return (CMD_RETURN_ERROR);
  70         }
  71
  72         RB_REMOVE(sessions, &sessions, s);
  73         free(s->name);
  74         s->name = newname;
  75         RB_INSERT(sessions, &sessions, s);
  76
  77         server_status_session(s);
  78         notify_session("session-renamed", s);
  79
  80         return (CMD_RETURN_NORMAL);
  81 }