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📁 ..
📄 extern.h(4.47 KB)
📄 getc.c(4.47 KB)
📄 v_at.c(2.63 KB)
📄 v_ch.c(5.44 KB)
📄 v_cmd.c(12.03 KB)
📄 v_delete.c(2.28 KB)
📄 v_ex.c(13.78 KB)
📄 v_increment.c(5.4 KB)
📄 v_init.c(2.33 KB)
📄 v_itxt.c(12.1 KB)
📄 v_left.c(6.25 KB)
📄 v_mark.c(5.25 KB)
📄 v_match.c(3.87 KB)
📄 v_paragraph.c(7.83 KB)
📄 v_put.c(2.81 KB)
📄 v_redraw.c(627 B)
📄 v_replace.c(5.32 KB)
📄 v_right.c(3.02 KB)
📄 v_screen.c(1.34 KB)
📄 v_scroll.c(11.57 KB)
📄 v_search.c(13.59 KB)
📄 v_section.c(6.21 KB)
📄 v_sentence.c(8.21 KB)
📄 v_status.c(658 B)
📄 v_txt.c(76.56 KB)
📄 v_ulcase.c(3.38 KB)
📄 v_undo.c(4.19 KB)
📄 v_util.c(2.85 KB)
📄 v_word.c(12.82 KB)
📄 v_xchar.c(2.09 KB)
📄 v_yank.c(2.2 KB)
📄 v_z.c(3.38 KB)
📄 v_zexit.c(940 B)
📄 vi.c(29.95 KB)
📄 vi.h(15.76 KB)
📄 vs_line.c(14.42 KB)
📄 vs_msg.c(21.57 KB)
📄 vs_refresh.c(23.58 KB)
📄 vs_relative.c(6.96 KB)
📄 vs_smap.c(27.8 KB)
📄 vs_split.c(21.91 KB)

Editing: v_delete.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"

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

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

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

/*
 * v_delete -- [buffer][count]d[count]motion
 *	       [buffer][count]D
 *	Delete a range of text.
 *
 * PUBLIC: int v_delete(SCR *, VICMD *);
 */
int
v_delete(SCR *sp, VICMD *vp)
{
	recno_t nlines;
	size_t len;
	int lmode;

lmode = F_ISSET(vp, VM_LMODE) ? CUT_LINEMODE : 0;

/* Yank the lines. */
	if (cut(sp, F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
	    &vp->m_start, &vp->m_stop,
	    lmode | (F_ISSET(vp, VM_CUTREQ) ? CUT_NUMREQ : CUT_NUMOPT)))
		return (1);

/* Delete the lines. */
	if (del(sp, &vp->m_start, &vp->m_stop, lmode))
		return (1);

/*
	 * Check for deletion of the entire file.  Try to check a close
	 * by line so we don't go to the end of the file unnecessarily.
	 */
	if (!db_exist(sp, vp->m_final.lno + 1)) {
		if (db_last(sp, &nlines))
			return (1);
		if (nlines == 0) {
			vp->m_final.lno = 1;
			vp->m_final.cno = 0;
			return (0);
		}
	}

/*
	 * One special correction, in case we've deleted the current line or
	 * character.  We check it here instead of checking in every command
	 * that can be a motion component.
	 */
	if (db_get(sp, vp->m_final.lno, 0, NULL, &len)) {
		if (db_get(sp, nlines, DBG_FATAL, NULL, &len))
			return (1);
		vp->m_final.lno = nlines;
	}

/*
	 * !!!
	 * Cursor movements, other than those caused by a line mode command
	 * moving to another line, historically reset the relative position.
	 *
	 * This currently matches the check made in v_yank(), I'm hoping that
	 * they should be consistent...
	 */  
	if (!F_ISSET(vp, VM_LMODE)) {
		F_CLR(vp, VM_RCM_MASK);
		F_SET(vp, VM_RCM_SET);

/* Make sure the set cursor position exists. */
		if (vp->m_final.cno >= len)
			vp->m_final.cno = len ? len - 1 : 0;
	}

/*
	 * !!!
	 * The "dd" command moved to the first non-blank; "d<motion>"
	 * didn't.
	 */
	if (F_ISSET(vp, VM_LDOUBLE)) {
		F_CLR(vp, VM_RCM_MASK);
		F_SET(vp, VM_RCM_SETFNB);
	}
	return (0);
}

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Editing: v_delete.c

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