1 /* $NetBSD: ex_stop.c,v 1.3 2014/01/26 21:43:45 christos Exp $ */ 2 /*- 3 * Copyright (c) 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * Copyright (c) 1992, 1993, 1994, 1995, 1996 6 * Keith Bostic. All rights reserved. 7 * 8 * See the LICENSE file for redistribution information. 9 */ 10 11 #include "config.h" 12 13 #include <sys/cdefs.h> 14 #if 0 15 #ifndef lint 16 static const char sccsid[] = "Id: ex_stop.c,v 10.11 2001/06/25 15:19:20 skimo Exp (Berkeley) Date: 2001/06/25 15:19:20 "; 17 #endif /* not lint */ 18 #else 19 __RCSID("$NetBSD: ex_stop.c,v 1.3 2014/01/26 21:43:45 christos Exp $"); 20 #endif 21 22 #include <sys/types.h> 23 #include <sys/queue.h> 24 25 #include <bitstring.h> 26 #include <errno.h> 27 #include <limits.h> 28 #include <stdio.h> 29 #include <string.h> 30 #include <unistd.h> 31 32 #include "../common/common.h" 33 34 /* 35 * ex_stop -- :stop[!] 36 * :suspend[!] 37 * Suspend execution. 38 * 39 * PUBLIC: int ex_stop __P((SCR *, EXCMD *)); 40 */ 41 int 42 ex_stop(SCR *sp, EXCMD *cmdp) 43 { 44 int allowed; 45 46 /* For some strange reason, the force flag turns off autowrite. */ 47 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 48 return (1); 49 50 if (sp->gp->scr_suspend(sp, &allowed)) 51 return (1); 52 if (!allowed) 53 ex_emsg(sp, NULL, EXM_NOSUSPEND); 54 return (0); 55 } 56