1 /* $Id: cmd-has-session.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ 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 "tmux.h" 22 23 /* 24 * Cause client to report an error and exit with 1 if session doesn't exist. 25 */ 26 27 int cmd_has_session_exec(struct cmd *, struct cmd_ctx *); 28 29 const struct cmd_entry cmd_has_session_entry = { 30 "has-session", "has", 31 "t:", 0, 0, 32 CMD_TARGET_SESSION_USAGE, 33 0, 34 NULL, 35 NULL, 36 cmd_has_session_exec 37 }; 38 39 int 40 cmd_has_session_exec(struct cmd *self, struct cmd_ctx *ctx) 41 { 42 struct args *args = self->args; 43 44 if (cmd_find_session(ctx, args_get(args, 't'), 0) == NULL) 45 return (-1); 46 47 return (0); 48 } 49