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/* $NetBSD: hist.h,v 1.23 2017/09/01 10:19:10 christos Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Christos Zoulas of Cornell University. * * 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. 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. * * @(#)hist.h 8.1 (Berkeley) 6/4/93 */ /* * el.hist.c: History functions */ #ifndef _h_el_hist #define _h_el_hist typedef int (*hist_fun_t)(void *, HistEventW *, int, ...); typedef struct el_history_t { wchar_t *buf; /* The history buffer */ size_t sz; /* Size of history buffer */ wchar_t *last; /* The last character */ int eventno; /* Event we are looking for */ void *ref; /* Argument for history fcns */ hist_fun_t fun; /* Event access */ HistEventW ev; /* Event cookie */ } el_history_t; #define HIST_FUN_INTERNAL(el, fn, arg) \ ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) #define HIST_FUN(el, fn, arg) \ (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ HIST_FUN_INTERNAL(el, fn, arg)) #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) #define HIST_SET(el, num) HIST_FUN(el, H_SET, num) #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) #define HIST_SAVE_FP(el, fp) HIST_FUN(el, H_SAVE_FP, fp) #define HIST_NSAVE_FP(el, n, fp) HIST_FUN(el, H_NSAVE_FP, n, fp) libedit_private int hist_init(EditLine *); libedit_private void hist_end(EditLine *); libedit_private el_action_t hist_get(EditLine *); libedit_private int hist_set(EditLine *, hist_fun_t, void *); libedit_private int hist_command(EditLine *, int, const wchar_t **); libedit_private int hist_enlargebuf(EditLine *, size_t, size_t); libedit_private wchar_t *hist_convert(EditLine *, int, void *); #endif /* _h_el_hist */