GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-attach-session.c Lines: 0 77 0.0 %
Date: 2017-11-13 Branches: 0 50 0.0 %

Line Branch Exec Source
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/* $OpenBSD: cmd-attach-session.c,v 1.74 2017/08/30 10:33:57 nicm Exp $ */
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/*
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 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "tmux.h"
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/*
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 * Attach existing session to the current terminal.
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 */
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static enum cmd_retval	cmd_attach_session_exec(struct cmd *,
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			    struct cmdq_item *);
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const struct cmd_entry cmd_attach_session_entry = {
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	.name = "attach-session",
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	.alias = "attach",
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	.args = { "c:dErt:", 0, 0 },
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	.usage = "[-dEr] [-c working-directory] " CMD_TARGET_SESSION_USAGE,
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	/* -t is special */
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	.flags = CMD_STARTSERVER,
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	.exec = cmd_attach_session_exec
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};
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enum cmd_retval
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cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
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    int rflag, const char *cflag, int Eflag)
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{
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	struct cmd_find_state	*current = &item->shared->current;
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	enum cmd_find_type	 type;
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	int			 flags;
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	struct client		*c = item->client, *c_loop;
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	struct session		*s;
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	struct winlink		*wl;
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	struct window_pane	*wp;
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	char			*cause;
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	if (RB_EMPTY(&sessions)) {
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		cmdq_error(item, "no sessions");
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		return (CMD_RETURN_ERROR);
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	}
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	if (c == NULL)
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		return (CMD_RETURN_NORMAL);
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	if (server_client_check_nested(c)) {
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		cmdq_error(item, "sessions should be nested with care, "
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		    "unset $TMUX to force");
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		return (CMD_RETURN_ERROR);
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	}
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	if (tflag != NULL && tflag[strcspn(tflag, ":.")] != '\0') {
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		type = CMD_FIND_PANE;
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		flags = 0;
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	} else {
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		type = CMD_FIND_SESSION;
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		flags = CMD_FIND_PREFER_UNATTACHED;
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	}
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	if (cmd_find_target(&item->target, item, tflag, type, flags) != 0)
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		return (CMD_RETURN_ERROR);
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	s = item->target.s;
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	wl = item->target.wl;
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	wp = item->target.wp;
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	if (wl != NULL) {
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		if (wp != NULL)
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			window_set_active_pane(wp->window, wp);
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		session_set_current(s, wl);
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		if (wp != NULL)
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			cmd_find_from_winlink_pane(current, wl, wp, 0);
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		else
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			cmd_find_from_winlink(current, wl, 0);
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	}
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	if (cflag != NULL) {
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		free((void *)s->cwd);
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		s->cwd = format_single(item, cflag, c, s, wl, wp);
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	}
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	if (c->session != NULL) {
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		if (dflag) {
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			TAILQ_FOREACH(c_loop, &clients, entry) {
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				if (c_loop->session != s || c == c_loop)
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					continue;
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				server_client_detach(c_loop, MSG_DETACH);
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			}
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		}
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		if (!Eflag)
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			environ_update(s->options, c->environ, s->environ);
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		c->session = s;
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		if (~item->shared->flags & CMDQ_SHARED_REPEAT)
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			server_client_set_key_table(c, NULL);
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		status_timer_start(c);
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		notify_client("client-session-changed", c);
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		session_update_activity(s, NULL);
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		gettimeofday(&s->last_attached_time, NULL);
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		server_redraw_client(c);
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		s->curw->flags &= ~WINLINK_ALERTFLAGS;
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	} else {
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		if (server_client_open(c, &cause) != 0) {
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			cmdq_error(item, "open terminal failed: %s", cause);
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			free(cause);
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			return (CMD_RETURN_ERROR);
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		}
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		if (rflag)
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			c->flags |= CLIENT_READONLY;
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		if (dflag) {
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			TAILQ_FOREACH(c_loop, &clients, entry) {
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				if (c_loop->session != s || c == c_loop)
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					continue;
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				server_client_detach(c_loop, MSG_DETACH);
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			}
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		}
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		if (!Eflag)
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			environ_update(s->options, c->environ, s->environ);
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		c->session = s;
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		server_client_set_key_table(c, NULL);
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		status_timer_start(c);
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		notify_client("client-session-changed", c);
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		session_update_activity(s, NULL);
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		gettimeofday(&s->last_attached_time, NULL);
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		server_redraw_client(c);
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		s->curw->flags &= ~WINLINK_ALERTFLAGS;
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		if (~c->flags & CLIENT_CONTROL)
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			proc_send(c->peer, MSG_READY, -1, NULL, 0);
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		notify_client("client-attached", c);
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		c->flags |= CLIENT_ATTACHED;
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	}
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	recalculate_sizes();
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	alerts_check_session(s);
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	server_update_socket();
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	return (CMD_RETURN_NORMAL);
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}
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static enum cmd_retval
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cmd_attach_session_exec(struct cmd *self, struct cmdq_item *item)
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{
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	struct args	*args = self->args;
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	return (cmd_attach_session(item, args_get(args, 't'),
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	    args_has(args, 'd'), args_has(args, 'r'), args_get(args, 'c'),
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	    args_has(args, 'E')));
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}