2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1992, 1993, 1994, 1995, 1996
5 * Keith Bostic. All rights reserved.
7 * See the LICENSE file for redistribution information.
13 static const char sccsid[] = "@(#)v_delete.c 10.9 (Berkeley) 10/23/96";
16 #include <sys/types.h>
17 #include <sys/queue.h>
20 #include <bitstring.h>
24 #include "../common/common.h"
28 * v_delete -- [buffer][count]d[count]motion
30 * Delete a range of text.
32 * PUBLIC: int v_delete __P((SCR *, VICMD *));
43 lmode = F_ISSET(vp, VM_LMODE) ? CUT_LINEMODE : 0;
46 if (cut(sp, F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
47 &vp->m_start, &vp->m_stop,
48 lmode | (F_ISSET(vp, VM_CUTREQ) ? CUT_NUMREQ : CUT_NUMOPT)))
51 /* Delete the lines. */
52 if (del(sp, &vp->m_start, &vp->m_stop, lmode))
56 * Check for deletion of the entire file. Try to check a close
57 * by line so we don't go to the end of the file unnecessarily.
59 if (!db_exist(sp, vp->m_final.lno + 1)) {
60 if (db_last(sp, &nlines))
70 * One special correction, in case we've deleted the current line or
71 * character. We check it here instead of checking in every command
72 * that can be a motion component.
74 if (db_get(sp, vp->m_final.lno, 0, NULL, &len)) {
75 if (db_get(sp, nlines, DBG_FATAL, NULL, &len))
77 vp->m_final.lno = nlines;
82 * Cursor movements, other than those caused by a line mode command
83 * moving to another line, historically reset the relative position.
85 * This currently matches the check made in v_yank(), I'm hoping that
86 * they should be consistent...
88 if (!F_ISSET(vp, VM_LMODE)) {
89 F_CLR(vp, VM_RCM_MASK);
90 F_SET(vp, VM_RCM_SET);
92 /* Make sure the set cursor position exists. */
93 if (vp->m_final.cno >= len)
94 vp->m_final.cno = len ? len - 1 : 0;
99 * The "dd" command moved to the first non-blank; "d<motion>"
102 if (F_ISSET(vp, VM_LDOUBLE)) {
103 F_CLR(vp, VM_RCM_MASK);
104 F_SET(vp, VM_RCM_SETFNB);