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Revision 1.7, Wed Nov 12 04:28:41 2014 UTC (9 years, 7 months ago) by bentley
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9, OPENBSD_5_8_BASE, OPENBSD_5_8, OPENBSD_5_7_BASE, OPENBSD_5_7, HEAD
Changes since 1.6: +2 -4 lines 

Ansify vi.

ok bcallah@ millert@

/*	$OpenBSD: ex_delete.c,v 1.7 2014/11/12 04:28:41 bentley Exp $	*/

/*-
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1992, 1993, 1994, 1995, 1996
 *	Keith Bostic.  All rights reserved.
 *
 * See the LICENSE file for redistribution information.
 */

#include "config.h"

#include <sys/types.h>
#include <sys/queue.h>

#include <bitstring.h>
#include <limits.h>
#include <stdio.h>

#include "../common/common.h"

/*
 * ex_delete: [line [,line]] d[elete] [buffer] [count] [flags]
 *
 *	Delete lines from the file.
 *
 * PUBLIC: int ex_delete(SCR *, EXCMD *);
 */
int
ex_delete(SCR *sp, EXCMD *cmdp)
{
	recno_t lno;

	NEEDFILE(sp, cmdp);

	/*
	 * !!!
	 * Historically, lines deleted in ex were not placed in the numeric
	 * buffers.  We follow historic practice so that we don't overwrite
	 * vi buffers accidentally.
	 */
	if (cut(sp,
	    FL_ISSET(cmdp->iflags, E_C_BUFFER) ? &cmdp->buffer : NULL,
	    &cmdp->addr1, &cmdp->addr2, CUT_LINEMODE))
		return (1);

	/* Delete the lines. */
	if (del(sp, &cmdp->addr1, &cmdp->addr2, 1))
		return (1);

	/* Set the cursor to the line after the last line deleted. */
	sp->lno = cmdp->addr1.lno;

	/* Or the last line in the file if deleted to the end of the file. */
	if (db_last(sp, &lno))
		return (1);
	if (sp->lno > lno)
		sp->lno = lno;
	return (0);
}