1313981Spfg/* $NetBSD: hist.h,v 1.18 2016/02/17 19:47:49 christos Exp $ */ 2276881Sbapt 31573Srgrimes/*- 41573Srgrimes * Copyright (c) 1992, 1993 51573Srgrimes * The Regents of the University of California. All rights reserved. 61573Srgrimes * 71573Srgrimes * This code is derived from software contributed to Berkeley by 81573Srgrimes * Christos Zoulas of Cornell University. 91573Srgrimes * 101573Srgrimes * Redistribution and use in source and binary forms, with or without 111573Srgrimes * modification, are permitted provided that the following conditions 121573Srgrimes * are met: 131573Srgrimes * 1. Redistributions of source code must retain the above copyright 141573Srgrimes * notice, this list of conditions and the following disclaimer. 151573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161573Srgrimes * notice, this list of conditions and the following disclaimer in the 171573Srgrimes * documentation and/or other materials provided with the distribution. 18148834Sstefanf * 3. Neither the name of the University nor the names of its contributors 191573Srgrimes * may be used to endorse or promote products derived from this software 201573Srgrimes * without specific prior written permission. 211573Srgrimes * 221573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321573Srgrimes * SUCH DAMAGE. 331573Srgrimes * 341573Srgrimes * @(#)hist.h 8.1 (Berkeley) 6/4/93 3584260Sobrien * $FreeBSD: stable/11/lib/libedit/hist.h 313981 2017-02-20 03:33:59Z pfg $ 361573Srgrimes */ 371573Srgrimes 381573Srgrimes/* 391573Srgrimes * el.hist.c: History functions 401573Srgrimes */ 411573Srgrimes#ifndef _h_el_hist 4284260Sobrien#define _h_el_hist 431573Srgrimes 44276881Sbapttypedef int (*hist_fun_t)(void *, TYPE(HistEvent) *, int, ...); 451573Srgrimes 461573Srgrimestypedef struct el_history_t { 47276881Sbapt Char *buf; /* The history buffer */ 48295369Spfg size_t sz; /* Size of history buffer */ 49276881Sbapt Char *last; /* The last character */ 5084260Sobrien int eventno; /* Event we are looking for */ 51295369Spfg void *ref; /* Argument for history fcns */ 5284260Sobrien hist_fun_t fun; /* Event access */ 53276881Sbapt TYPE(HistEvent) ev; /* Event cookie */ 541573Srgrimes} el_history_t; 551573Srgrimes 56276881Sbapt#define HIST_FUN_INTERNAL(el, fn, arg) \ 5784260Sobrien ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ 5884260Sobrien fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) 59276881Sbapt#ifdef WIDECHAR 60276881Sbapt#define HIST_FUN(el, fn, arg) \ 61276881Sbapt (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ 62276881Sbapt HIST_FUN_INTERNAL(el, fn, arg)) 63276881Sbapt#else 64276881Sbapt#define HIST_FUN(el, fn, arg) HIST_FUN_INTERNAL(el, fn, arg) 65276881Sbapt#endif 661573Srgrimes 67276881Sbapt 681573Srgrimes#define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) 691573Srgrimes#define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) 701573Srgrimes#define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) 711573Srgrimes#define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) 72148834Sstefanf#define HIST_SET(el, num) HIST_FUN(el, H_SET, num) 7384260Sobrien#define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) 7484260Sobrien#define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) 75265863Seadler#define HIST_SAVE_FP(el, fp) HIST_FUN(el, H_SAVE_FP fp) 761573Srgrimes 7784260Sobrienprotected int hist_init(EditLine *); 7884260Sobrienprotected void hist_end(EditLine *); 7984260Sobrienprotected el_action_t hist_get(EditLine *); 80276881Sbaptprotected int hist_set(EditLine *, hist_fun_t, void *); 81276881Sbaptprotected int hist_command(EditLine *, int, const Char **); 8284260Sobrienprotected int hist_enlargebuf(EditLine *, size_t, size_t); 83276881Sbapt#ifdef WIDECHAR 84313981Spfgprotected wchar_t *hist_convert(EditLine *, int, void *); 85276881Sbapt#endif 861573Srgrimes 871573Srgrimes#endif /* _h_el_hist */ 88