/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char sccsid[] = "@(#)v_right.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include "vi.h" #include "vcmd.h" /* * v_right -- [count]' ', [count]l * Move right by columns. * * Special case: the 'c' and 'd' commands can move past the end of line. */ int v_right(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { recno_t lno; u_long cnt; size_t len; if (file_gline(sp, ep, fm->lno, &len) == NULL) { if (file_lline(sp, ep, &lno)) return (1); if (lno == 0) v_eol(sp, ep, NULL); else GETLINE_ERR(sp, fm->lno); return (1); } rp->lno = fm->lno; if (len == 0 || fm->cno == len - 1) { if (F_ISSET(vp, VC_C | VC_D | VC_Y)) { rp->cno = len; return (0); } v_eol(sp, ep, NULL); return (1); } cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; rp->cno = fm->cno + cnt; if (rp->cno > len - 1) if (F_ISSET(vp, VC_C | VC_D | VC_Y)) rp->cno = len; else rp->cno = len - 1; return (0); } /* * v_dollar -- $ * Move to the last column. * * One of places that you are allowed to move beyond the end of * the line. */ int v_dollar(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { recno_t lno; size_t len; if (file_gline(sp, ep, fm->lno, &len) == NULL) { if (file_lline(sp, ep, &lno)) return (1); if (lno == 0) v_eol(sp, ep, NULL); else GETLINE_ERR(sp, fm->lno); return (1); } if (len == 0) { v_eol(sp, ep, NULL); return (1); } rp->lno = fm->lno; rp->cno = F_ISSET(vp, VC_C | VC_D | VC_Y) ? len : len - 1; return (0); }