/*- * 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_delete.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include "vi.h" #include "vcmd.h" /* * v_Delete -- [buffer][count]D * Delete line command. */ int v_Delete(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { recno_t lno; size_t len; *rp = *fm; if (file_gline(sp, ep, fm->lno, &len) == NULL) { if (file_lline(sp, ep, &lno)) return (1); if (lno == 0) return (0); GETLINE_ERR(sp, fm->lno); return (1); } if (len == 0) return (0); tm->lno = fm->lno; tm->cno = len; if (cut(sp, ep, VICB(vp), fm, tm, 0) || delete(sp, ep, fm, tm, 0)) return (1); rp->lno = fm->lno; rp->cno = fm->cno ? fm->cno - 1 : 0; return (0); } /* * v_delete -- [buffer][count]d[count]motion * Delete a range of text. */ int v_delete(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { recno_t nlines; size_t len; int lmode; lmode = F_ISSET(vp, VC_LMODE); if (cut(sp, ep, VICB(vp), fm, tm, lmode) || delete(sp, ep, fm, tm, lmode)) return (1); /* Check for deleting the file. */ if (file_lline(sp, ep, &nlines)) return (1); if (nlines == 0) { rp->lno = 1; rp->cno = 0; return (0); } /* * If deleting lines, leave the cursor at the lowest line deleted, * else, leave the cursor where it started. Always correct for EOL. * * The historic vi would delete the line the cursor was on (even if * not in line mode) if the motion was past the end-of-file and the * cursor didn't originate on the last line of the file. We never * delete the line the cursor is on -- we'd have to pass a flag down * to the delete() routine which would have to special case it. */ if (lmode) { rp->lno = MIN(fm->lno, tm->lno); if (rp->lno > nlines) rp->lno = nlines; return (nonblank(sp, ep, rp->lno, &rp->cno)); } rp->lno = fm->lno; if (file_gline(sp, ep, rp->lno, &len) == NULL) { GETLINE_ERR(sp, rp->lno); return (1); } if (fm->cno >= len) rp->cno = len ? len - 1 : 0; else rp->cno = fm->cno; return (0); }