mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-05 03:39:02 +00:00
b8ba871bd9
files, curses, db, regex etc that we already have). The other glue will follow shortly. Obtained from: Keith Bostic <bostic@bostic.com>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*-
|
|
* 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"
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "@(#)ex_delete.c 10.9 (Berkeley) 10/23/96";
|
|
#endif /* not lint */
|
|
|
|
#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 __P((SCR *, EXCMD *));
|
|
*/
|
|
int
|
|
ex_delete(sp, cmdp)
|
|
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);
|
|
}
|