/*- * 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_left.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include "vi.h" #include "vcmd.h" /* * v_left -- [count]^H, [count]h * Move left by columns. */ int v_left(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { u_long cnt; cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; if (fm->cno == 0) { msgq(sp, M_BERR, "Already in the first column."); return (1); } rp->lno = fm->lno; if (fm->cno > cnt) rp->cno = fm->cno - cnt; else rp->cno = 0; return (0); } /* * v_first -- ^, _ * Move to the first non-blank column on this line. */ int v_first(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { rp->lno = fm->lno; return (0); } /* * v_ncol -- [count]| * Move to column count or the first column on this line. If the * requested column is past EOL, move to EOL. The nasty part is * that we have to know character column widths to make this work. */ int v_ncol(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { if (F_ISSET(vp, VC_C1SET) && vp->count > 1) rp->cno = sp->s_chposition(sp, ep, fm->lno, (size_t)--vp->count); else rp->cno = 0; rp->lno = fm->lno; return (0); } /* * v_zero -- 0 * Move to the first column on this line. */ int v_zero(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { rp->lno = fm->lno; rp->cno = 0; return (0); }