GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vi/build/../vi/v_xchar.c Lines: 0 32 0.0 %
Date: 2017-11-13 Branches: 0 22 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: v_xchar.c,v 1.8 2016/01/06 22:28:52 millert 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_xchar -- [buffer] [count]x
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 *	Deletes the character(s) on which the cursor sits.
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 *
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 * PUBLIC: int v_xchar(SCR *, VICMD *);
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 */
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int
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v_xchar(SCR *sp, VICMD *vp)
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{
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	size_t len;
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	int isempty;
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	if (db_eget(sp, vp->m_start.lno, NULL, &len, &isempty)) {
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		if (isempty)
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			goto nodel;
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		return (1);
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	}
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	if (len == 0) {
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nodel:		msgq(sp, M_BERR, "No characters to delete");
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		return (1);
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	}
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	/*
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	 * Delete from the cursor toward the end of line, w/o moving the
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	 * cursor.
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	 *
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	 * !!!
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	 * Note, "2x" at EOL isn't the same as "xx" because the left movement
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	 * of the cursor as part of the 'x' command isn't taken into account.
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	 * Historically correct.
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	 */
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	if (F_ISSET(vp, VC_C1SET))
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		vp->m_stop.cno += vp->count - 1;
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	if (vp->m_stop.cno >= len - 1) {
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		vp->m_stop.cno = len - 1;
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		vp->m_final.cno = vp->m_start.cno ? vp->m_start.cno - 1 : 0;
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	} else
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		vp->m_final.cno = vp->m_start.cno;
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	if (cut(sp,
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	    F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
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	    &vp->m_start, &vp->m_stop, 0))
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		return (1);
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	return (del(sp, &vp->m_start, &vp->m_stop, 0));
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}
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/*
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 * v_Xchar -- [buffer] [count]X
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 *	Deletes the character(s) immediately before the current cursor
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 *	position.
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 *
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 * PUBLIC: int v_Xchar(SCR *, VICMD *);
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 */
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int
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v_Xchar(SCR *sp, VICMD *vp)
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{
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	u_long cnt;
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	if (vp->m_start.cno == 0) {
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		v_sol(sp);
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		return (1);
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	}
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	cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
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	if (cnt >= vp->m_start.cno)
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		vp->m_start.cno = 0;
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	else
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		vp->m_start.cno -= cnt;
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	--vp->m_stop.cno;
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	vp->m_final.cno = vp->m_start.cno;
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	if (cut(sp,
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	    F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
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	    &vp->m_start, &vp->m_stop, 0))
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		return (1);
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	return (del(sp, &vp->m_start, &vp->m_stop, 0));
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}