GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vi/build/../vi/v_delete.c Lines: 0 29 0.0 %
Date: 2017-11-13 Branches: 0 20 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: v_delete.c,v 1.8 2014/11/12 04:28:41 bentley Exp $	*/
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/*-
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 * Copyright (c) 1992, 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 * Copyright (c) 1992, 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 <sys/time.h>
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#include <bitstring.h>
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#include <limits.h>
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#include <stdio.h>
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#include "../common/common.h"
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#include "vi.h"
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/*
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 * v_delete -- [buffer][count]d[count]motion
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 *	       [buffer][count]D
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 *	Delete a range of text.
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 *
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 * PUBLIC: int v_delete(SCR *, VICMD *);
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 */
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int
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v_delete(SCR *sp, VICMD *vp)
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{
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	recno_t nlines;
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	size_t len;
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	int lmode;
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	lmode = F_ISSET(vp, VM_LMODE) ? CUT_LINEMODE : 0;
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	/* Yank the lines. */
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	if (cut(sp, F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
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	    &vp->m_start, &vp->m_stop,
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	    lmode | (F_ISSET(vp, VM_CUTREQ) ? CUT_NUMREQ : CUT_NUMOPT)))
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		return (1);
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	/* Delete the lines. */
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	if (del(sp, &vp->m_start, &vp->m_stop, lmode))
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		return (1);
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	/*
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	 * Check for deletion of the entire file.  Try to check a close
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	 * by line so we don't go to the end of the file unnecessarily.
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	 */
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	if (!db_exist(sp, vp->m_final.lno + 1)) {
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		if (db_last(sp, &nlines))
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			return (1);
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		if (nlines == 0) {
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			vp->m_final.lno = 1;
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			vp->m_final.cno = 0;
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			return (0);
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		}
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	}
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	/*
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	 * One special correction, in case we've deleted the current line or
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	 * character.  We check it here instead of checking in every command
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	 * that can be a motion component.
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	 */
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	if (db_get(sp, vp->m_final.lno, 0, NULL, &len)) {
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		if (db_get(sp, nlines, DBG_FATAL, NULL, &len))
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			return (1);
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		vp->m_final.lno = nlines;
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	}
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	/*
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	 * !!!
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	 * Cursor movements, other than those caused by a line mode command
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	 * moving to another line, historically reset the relative position.
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	 *
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	 * This currently matches the check made in v_yank(), I'm hoping that
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	 * they should be consistent...
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	 */
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	if (!F_ISSET(vp, VM_LMODE)) {
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		F_CLR(vp, VM_RCM_MASK);
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		F_SET(vp, VM_RCM_SET);
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		/* Make sure the set cursor position exists. */
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		if (vp->m_final.cno >= len)
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			vp->m_final.cno = len ? len - 1 : 0;
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	}
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	/*
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	 * !!!
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	 * The "dd" command moved to the first non-blank; "d<motion>"
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	 * didn't.
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	 */
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	if (F_ISSET(vp, VM_LDOUBLE)) {
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		F_CLR(vp, VM_RCM_MASK);
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		F_SET(vp, VM_RCM_SETFNB);
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	}
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	return (0);
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}