/*- * 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[] = "@(#)k.c 8.1 (Berkeley) 5/31/93"; #endif /* not lint */ #include <sys/types.h> #include <regex.h> #include <setjmp.h> #include <stdio.h> #include <string.h> #ifdef DBI #include <db.h> #endif #include "ed.h" #include "extern.h" /* * This the mark command (k); see ed(1). */ void set_mark(inputt, errnum) FILE *inputt; int *errnum; { int l_mark; l_mark = getc(inputt); if (End_default == 1) End = current; if (End == NULL) { strcpy(help_msg, "bad address"); *errnum = -1; ungetc('\n', inputt); return; } Start_default = End_default = 0; /* * The marks have to be "a" to "z" (inclusive); that is, ye olde * portable character set (ASCII) lower case alphabet. */ if ((l_mark < 97) || (l_mark > 122) || (End == NULL)) { strcpy(help_msg, "illegal mark character"); *errnum = -1; return; } l_mark = l_mark - 97; (mark_matrix[l_mark].address) = End; if (rol(inputt, errnum)) return; *errnum = 1; } /* * This gets the address of a marked line. */ LINE * get_mark(inputt, errnum) FILE *inputt; int *errnum; { int l_mark; l_mark = getc(inputt); /* Ditto above comment. */ if ((l_mark < 97) || (l_mark > 122)) { strcpy(help_msg, "illegal mark character"); *errnum = -1; return (NULL); } l_mark = l_mark - 97; *errnum = 0; return (mark_matrix[l_mark].address); } /* * This is for the restoration of marks during an undo. */ void ku_chk(begi, fini, val) LINE *begi, *fini, *val; { register int l_cnt; LINE *l_midd; l_midd = begi; while (l_midd != NULL) { for (l_cnt = 0; l_cnt < 26; l_cnt++) if (mark_matrix[l_cnt].address == l_midd) { u_add_stk(&(mark_matrix[l_cnt].address)); (mark_matrix[l_cnt].address) = val; } if (l_midd == fini) break; l_midd = l_midd->below; } }