1 /* $OpenBSD: ex_stop.c,v 1.6 2014/11/12 04:28:41 bentley Exp $ */
2
3 /*-
4 * Copyright (c) 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 * Copyright (c) 1992, 1993, 1994, 1995, 1996
7 * Keith Bostic. All rights reserved.
8 *
9 * See the LICENSE file for redistribution information.
10 */
11
12 #include "config.h"
13
14 #include <sys/types.h>
15 #include <sys/queue.h>
16
17 #include <bitstring.h>
18 #include <errno.h>
19 #include <limits.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <unistd.h>
23
24 #include "../common/common.h"
25
26 /*
27 * ex_stop -- :stop[!]
28 * :suspend[!]
29 * Suspend execution.
30 *
31 * PUBLIC: int ex_stop(SCR *, EXCMD *);
32 */
33 int
ex_stop(SCR * sp,EXCMD * cmdp)34 ex_stop(SCR *sp, EXCMD *cmdp)
35 {
36 int allowed;
37
38 /* For some strange reason, the force flag turns off autowrite. */
39 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL))
40 return (1);
41
42 if (sp->gp->scr_suspend(sp, &allowed))
43 return (1);
44 if (!allowed)
45 ex_emsg(sp, NULL, EXM_NOSUSPEND);
46 return (0);
47 }
48