1 /* $OpenBSD: ex_stop.c,v 1.5 2009/10/27 23:59:47 deraadt 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 34 ex_stop(sp, cmdp) 35 SCR *sp; 36 EXCMD *cmdp; 37 { 38 int allowed; 39 40 /* For some strange reason, the force flag turns off autowrite. */ 41 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 42 return (1); 43 44 if (sp->gp->scr_suspend(sp, &allowed)) 45 return (1); 46 if (!allowed) 47 ex_emsg(sp, NULL, EXM_NOSUSPEND); 48 return (0); 49 } 50