GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vi/build/../ex/ex_preserve.c Lines: 0 25 0.0 %
Date: 2017-11-13 Branches: 0 18 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: ex_preserve.c,v 1.7 2016/01/06 22:28:52 millert Exp $	*/
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/*-
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 * Copyright (c) 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 * Copyright (c) 1993, 1994, 1995, 1996
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 *	Keith Bostic.  All rights reserved.
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 *
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 * See the LICENSE file for redistribution information.
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 */
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#include "config.h"
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <bitstring.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include "../common/common.h"
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/*
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 * ex_preserve -- :pre[serve]
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 *	Push the file to recovery.
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 *
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 * PUBLIC: int ex_preserve(SCR *, EXCMD *);
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 */
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int
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ex_preserve(SCR *sp, EXCMD *cmdp)
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{
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	recno_t lno;
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	NEEDFILE(sp, cmdp);
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	if (!F_ISSET(sp->ep, F_RCV_ON)) {
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		msgq(sp, M_ERR, "Preservation of this file not possible");
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		return (1);
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	}
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	/* If recovery not initialized, do so. */
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	if (F_ISSET(sp->ep, F_FIRSTMODIFY) && rcv_init(sp))
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		return (1);
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	/* Force the file to be read in, in case it hasn't yet. */
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	if (db_last(sp, &lno))
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		return (1);
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	/* Sync to disk. */
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	if (rcv_sync(sp, RCV_SNAPSHOT))
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		return (1);
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	msgq(sp, M_INFO, "File preserved");
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	return (0);
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}
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/*
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 * ex_recover -- :rec[over][!] file
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 *	Recover the file.
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 *
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 * PUBLIC: int ex_recover(SCR *, EXCMD *);
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 */
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int
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ex_recover(SCR *sp, EXCMD *cmdp)
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{
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	ARGS *ap;
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	FREF *frp;
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	ap = cmdp->argv[0];
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	/* Set the alternate file name. */
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	set_alt_name(sp, ap->bp);
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	/*
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	 * Check for modifications.  Autowrite did not historically
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	 * affect :recover.
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	 */
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	if (file_m2(sp, FL_ISSET(cmdp->iflags, E_C_FORCE)))
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		return (1);
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	/* Get a file structure for the file. */
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	if ((frp = file_add(sp, ap->bp)) == NULL)
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		return (1);
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	/* Set the recover bit. */
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	F_SET(frp, FR_RECOVER);
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	/* Switch files. */
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	if (file_init(sp, frp, NULL, FS_SETALT |
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	    (FL_ISSET(cmdp->iflags, E_C_FORCE) ? FS_FORCE : 0)))
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		return (1);
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	F_SET(sp, SC_FSWITCH);
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	return (0);
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}