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/*- * 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 * $NetBSD: hist.h,v 1.10 2003/08/07 16:44:31 agc Exp $ * $FreeBSD: src/lib/libedit/hist.h,v 1.3.14.1 2005/10/09 03:44:01 delphij Exp $ */ /* * el.hist.c: History functions */ #ifndef _h_el_hist #define _h_el_hist #include "histedit.h" typedef int (*hist_fun_t)(ptr_t, HistEvent *, int, ...); typedef struct el_history_t { char *buf; /* The history buffer */ size_t sz; /* Size of history buffer */ char *last; /* The last character */ int eventno; /* Event we are looking for */ ptr_t ref; /* Argument for history fcns */ hist_fun_t fun; /* Event access */ HistEvent ev; /* Event cookie */ } el_history_t; #define HIST_FUN(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_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) protected int hist_init(EditLine *); protected void hist_end(EditLine *); protected el_action_t hist_get(EditLine *); protected int hist_set(EditLine *, hist_fun_t, ptr_t); protected int hist_command(EditLine *, int, const char **); protected int hist_enlargebuf(EditLine *, size_t, size_t); #endif /* _h_el_hist */ syntax highlighted by Code2HTML, v. 0.9.1 |