1 /*- 2 * Copyright (c) 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1992, 1993, 1994, 1995, 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 */ 9 10 #include "config.h" 11 12 #ifndef lint 13 static const char sccsid[] = "@(#)ex_stop.c 10.10 (Berkeley) 3/6/96"; 14 #endif /* not lint */ 15 16 #include <sys/types.h> 17 #include <sys/queue.h> 18 19 #include <bitstring.h> 20 #include <errno.h> 21 #include <limits.h> 22 #include <stdio.h> 23 #include <string.h> 24 #include <unistd.h> 25 26 #include "../common/common.h" 27 28 /* 29 * ex_stop -- :stop[!] 30 * :suspend[!] 31 * Suspend execution. 32 * 33 * PUBLIC: int ex_stop __P((SCR *, EXCMD *)); 34 */ 35 int 36 ex_stop(sp, cmdp) 37 SCR *sp; 38 EXCMD *cmdp; 39 { 40 int allowed; 41 42 /* For some strange reason, the force flag turns off autowrite. */ 43 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 44 return (1); 45 46 if (sp->gp->scr_suspend(sp, &allowed)) 47 return (1); 48 if (!allowed) 49 ex_emsg(sp, NULL, EXM_NOSUSPEND); 50 return (0); 51 } 52