1b8ba871bSPeter Wemm /*- 2b8ba871bSPeter Wemm * Copyright (c) 1993, 1994 3b8ba871bSPeter Wemm * The Regents of the University of California. All rights reserved. 4b8ba871bSPeter Wemm * Copyright (c) 1992, 1993, 1994, 1995, 1996 5b8ba871bSPeter Wemm * Keith Bostic. All rights reserved. 6b8ba871bSPeter Wemm * 7b8ba871bSPeter Wemm * See the LICENSE file for redistribution information. 8b8ba871bSPeter Wemm */ 9b8ba871bSPeter Wemm 10b8ba871bSPeter Wemm #include "config.h" 11b8ba871bSPeter Wemm 12b8ba871bSPeter Wemm #ifndef lint 13b8ba871bSPeter Wemm static const char sccsid[] = "@(#)ex_stop.c 10.10 (Berkeley) 3/6/96"; 14b8ba871bSPeter Wemm #endif /* not lint */ 15b8ba871bSPeter Wemm 16b8ba871bSPeter Wemm #include <sys/types.h> 17b8ba871bSPeter Wemm #include <sys/queue.h> 18b8ba871bSPeter Wemm 19b8ba871bSPeter Wemm #include <bitstring.h> 20b8ba871bSPeter Wemm #include <errno.h> 21b8ba871bSPeter Wemm #include <limits.h> 22b8ba871bSPeter Wemm #include <stdio.h> 23b8ba871bSPeter Wemm #include <string.h> 24b8ba871bSPeter Wemm #include <unistd.h> 25b8ba871bSPeter Wemm 26b8ba871bSPeter Wemm #include "../common/common.h" 27b8ba871bSPeter Wemm 28b8ba871bSPeter Wemm /* 29b8ba871bSPeter Wemm * ex_stop -- :stop[!] 30b8ba871bSPeter Wemm * :suspend[!] 31b8ba871bSPeter Wemm * Suspend execution. 32b8ba871bSPeter Wemm * 33b8ba871bSPeter Wemm * PUBLIC: int ex_stop __P((SCR *, EXCMD *)); 34b8ba871bSPeter Wemm */ 35b8ba871bSPeter Wemm int 36b8ba871bSPeter Wemm ex_stop(sp, cmdp) 37b8ba871bSPeter Wemm SCR *sp; 38b8ba871bSPeter Wemm EXCMD *cmdp; 39b8ba871bSPeter Wemm { 40b8ba871bSPeter Wemm int allowed; 41b8ba871bSPeter Wemm 42b8ba871bSPeter Wemm /* For some strange reason, the force flag turns off autowrite. */ 43b8ba871bSPeter Wemm if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 44b8ba871bSPeter Wemm return (1); 45b8ba871bSPeter Wemm 46b8ba871bSPeter Wemm if (sp->gp->scr_suspend(sp, &allowed)) 47b8ba871bSPeter Wemm return (1); 48b8ba871bSPeter Wemm if (!allowed) 49b8ba871bSPeter Wemm ex_emsg(sp, NULL, EXM_NOSUSPEND); 50b8ba871bSPeter Wemm return (0); 51b8ba871bSPeter Wemm } 52