minix/external/bsd/tmux/dist/cmd-has-session.c

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/* $Id: cmd-has-session.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include "tmux.h"
/*
* Cause client to report an error and exit with 1 if session doesn't exist.
*/
int cmd_has_session_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_has_session_entry = {
"has-session", "has",
"t:", 0, 0,
CMD_TARGET_SESSION_USAGE,
0,
NULL,
NULL,
cmd_has_session_exec
};
int
cmd_has_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
if (cmd_find_session(ctx, args_get(args, 't'), 0) == NULL)
return (-1);
return (0);
}