11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1992, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * This code is derived from software contributed to Berkeley by 61573Srgrimes * Christos Zoulas of Cornell University. 71573Srgrimes * 81573Srgrimes * Redistribution and use in source and binary forms, with or without 91573Srgrimes * modification, are permitted provided that the following conditions 101573Srgrimes * are met: 111573Srgrimes * 1. Redistributions of source code must retain the above copyright 121573Srgrimes * notice, this list of conditions and the following disclaimer. 131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141573Srgrimes * notice, this list of conditions and the following disclaimer in the 151573Srgrimes * documentation and/or other materials provided with the distribution. 16148834Sstefanf * 3. Neither the name of the University nor the names of its contributors 171573Srgrimes * may be used to endorse or promote products derived from this software 181573Srgrimes * without specific prior written permission. 191573Srgrimes * 201573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301573Srgrimes * SUCH DAMAGE. 311573Srgrimes * 321573Srgrimes * @(#)hist.h 8.1 (Berkeley) 6/4/93 33148834Sstefanf * $NetBSD: hist.h,v 1.10 2003/08/07 16:44:31 agc Exp $ 3484260Sobrien * $FreeBSD$ 351573Srgrimes */ 361573Srgrimes 371573Srgrimes/* 381573Srgrimes * el.hist.c: History functions 391573Srgrimes */ 401573Srgrimes#ifndef _h_el_hist 4184260Sobrien#define _h_el_hist 421573Srgrimes 431573Srgrimes#include "histedit.h" 441573Srgrimes 4584260Sobrientypedef int (*hist_fun_t)(ptr_t, HistEvent *, int, ...); 461573Srgrimes 471573Srgrimestypedef struct el_history_t { 4884260Sobrien char *buf; /* The history buffer */ 4984260Sobrien size_t sz; /* Size of history buffer */ 5084260Sobrien char *last; /* The last character */ 5184260Sobrien int eventno; /* Event we are looking for */ 5284260Sobrien ptr_t ref; /* Argument for history fcns */ 5384260Sobrien hist_fun_t fun; /* Event access */ 5484260Sobrien HistEvent ev; /* Event cookie */ 551573Srgrimes} el_history_t; 561573Srgrimes 5784260Sobrien#define HIST_FUN(el, fn, arg) \ 5884260Sobrien ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ 5984260Sobrien fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) 601573Srgrimes 611573Srgrimes#define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) 621573Srgrimes#define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) 631573Srgrimes#define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) 641573Srgrimes#define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) 65148834Sstefanf#define HIST_SET(el, num) HIST_FUN(el, H_SET, num) 6684260Sobrien#define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) 6784260Sobrien#define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) 681573Srgrimes 6984260Sobrienprotected int hist_init(EditLine *); 7084260Sobrienprotected void hist_end(EditLine *); 7184260Sobrienprotected el_action_t hist_get(EditLine *); 7284260Sobrienprotected int hist_set(EditLine *, hist_fun_t, ptr_t); 73148834Sstefanfprotected int hist_command(EditLine *, int, const char **); 7484260Sobrienprotected int hist_enlargebuf(EditLine *, size_t, size_t); 751573Srgrimes 761573Srgrimes#endif /* _h_el_hist */ 77