/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Rodney Ruddock of the University of Guelph. * * 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[] = "@(#)c.c 8.1 (Berkeley) 5/31/93"; #endif /* not lint */ #include <sys/types.h> #include <regex.h> #include <setjmp.h> #include <stdio.h> #ifdef DBI #include <db.h> #endif #include "ed.h" #include "extern.h" /* * This deletes the range of lines specified and then sets up things * for the central input routine. */ void c(inputt, errnum) FILE *inputt; int *errnum; { int l_flag=1; if (Start_default && End_default) Start = End = current; else if (Start_default) Start = End; if (Start == NULL) { *errnum = -1; return; } Start_default = End_default = 0; if (End == bottom) l_flag = 0; /* first delete the lines */ d(inputt, errnum); if (*errnum < 0) return; *errnum = 0; /*if ((current != NULL) && (current != bottom)) RMSR */ if ((current != NULL) && l_flag) current = current->above; add_flag = 1; Start_default = End_default = 1; /* now get the "change" lines */ input_lines(inputt, errnum); add_flag = 0; }