/* $NetBSD: ex_delete.c,v 1.1.1.2 2008/05/18 14:31:14 aymeric Exp $ */ /*- * Copyright (c) 1992, 1993, 1994 * The Regents of the University of California. All rights reserved. * Copyright (c) 1992, 1993, 1994, 1995, 1996 * Keith Bostic. All rights reserved. * * See the LICENSE file for redistribution information. */ #include "config.h" #ifndef lint static const char sccsid[] = "Id: ex_delete.c,v 10.11 2001/06/25 15:19:15 skimo Exp (Berkeley) Date: 2001/06/25 15:19:15"; #endif /* not lint */ #include #include #include #include #include #include "../common/common.h" /* * ex_delete: [line [,line]] d[elete] [buffer] [count] [flags] * * Delete lines from the file. * * PUBLIC: int ex_delete __P((SCR *, EXCMD *)); */ int ex_delete(SCR *sp, EXCMD *cmdp) { db_recno_t lno; NEEDFILE(sp, cmdp); /* * !!! * Historically, lines deleted in ex were not placed in the numeric * buffers. We follow historic practice so that we don't overwrite * vi buffers accidentally. */ if (cut(sp, FL_ISSET(cmdp->iflags, E_C_BUFFER) ? &cmdp->buffer : NULL, &cmdp->addr1, &cmdp->addr2, CUT_LINEMODE)) return (1); /* Delete the lines. */ if (del(sp, &cmdp->addr1, &cmdp->addr2, 1)) return (1); /* Set the cursor to the line after the last line deleted. */ sp->lno = cmdp->addr1.lno; /* Or the last line in the file if deleted to the end of the file. */ if (db_last(sp, &lno)) return (1); if (sp->lno > lno) sp->lno = lno; return (0); }