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_xchar.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_xchar -- [buffer] [count]x
29 * Deletes the character(s) on which the cursor sits.
31 * PUBLIC: int v_xchar __P((SCR *, VICMD *));
41 if (db_eget(sp, vp->m_start.lno, NULL, &len, &isempty)) {
47 nodel: msgq(sp, M_BERR, "206|No characters to delete");
52 * Delete from the cursor toward the end of line, w/o moving the
56 * Note, "2x" at EOL isn't the same as "xx" because the left movement
57 * of the cursor as part of the 'x' command isn't taken into account.
58 * Historically correct.
60 if (F_ISSET(vp, VC_C1SET))
61 vp->m_stop.cno += vp->count - 1;
62 if (vp->m_stop.cno >= len - 1) {
63 vp->m_stop.cno = len - 1;
64 vp->m_final.cno = vp->m_start.cno ? vp->m_start.cno - 1 : 0;
66 vp->m_final.cno = vp->m_start.cno;
69 F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
70 &vp->m_start, &vp->m_stop, 0))
72 return (del(sp, &vp->m_start, &vp->m_stop, 0));
76 * v_Xchar -- [buffer] [count]X
77 * Deletes the character(s) immediately before the current cursor
80 * PUBLIC: int v_Xchar __P((SCR *, VICMD *));
89 if (vp->m_start.cno == 0) {
94 cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
95 if (cnt >= vp->m_start.cno)
98 vp->m_start.cno -= cnt;
100 vp->m_final.cno = vp->m_start.cno;
103 F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL,
104 &vp->m_start, &vp->m_stop, 0))
106 return (del(sp, &vp->m_start, &vp->m_stop, 0));