1 /* $NetBSD: hist.h,v 1.23 2017/09/01 10:19:10 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Christos Zoulas of Cornell University. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)hist.h 8.1 (Berkeley) 6/4/93 35 */ 36 37 /* 38 * el.hist.c: History functions 39 */ 40 #ifndef _h_el_hist 41 #define _h_el_hist 42 43 typedef int (*hist_fun_t)(void *, HistEventW *, int, ...); 44 45 typedef struct el_history_t { 46 wchar_t *buf; /* The history buffer */ 47 size_t sz; /* Size of history buffer */ 48 wchar_t *last; /* The last character */ 49 int eventno; /* Event we are looking for */ 50 void *ref; /* Argument for history fcns */ 51 hist_fun_t fun; /* Event access */ 52 HistEventW ev; /* Event cookie */ 53 } el_history_t; 54 55 #define HIST_FUN_INTERNAL(el, fn, arg) \ 56 ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \ 57 fn, arg)) == -1) ? NULL : (el)->el_history.ev.str) 58 #define HIST_FUN(el, fn, arg) \ 59 (((el)->el_flags & NARROW_HISTORY) ? hist_convert(el, fn, arg) : \ 60 HIST_FUN_INTERNAL(el, fn, arg)) 61 62 #define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL) 63 #define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL) 64 #define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL) 65 #define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL) 66 #define HIST_SET(el, num) HIST_FUN(el, H_SET, num) 67 #define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname) 68 #define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname) 69 #define HIST_SAVE_FP(el, fp) HIST_FUN(el, H_SAVE_FP, fp) 70 #define HIST_NSAVE_FP(el, n, fp) HIST_FUN(el, H_NSAVE_FP, n, fp) 71 72 libedit_private int hist_init(EditLine *); 73 libedit_private void hist_end(EditLine *); 74 libedit_private el_action_t hist_get(EditLine *); 75 libedit_private int hist_set(EditLine *, hist_fun_t, void *); 76 libedit_private int hist_command(EditLine *, int, const wchar_t **); 77 libedit_private int hist_enlargebuf(EditLine *, size_t, size_t); 78 libedit_private wchar_t *hist_convert(EditLine *, int, void *); 79 80 #endif /* _h_el_hist */ 81
Indexes created Sat Sep 20 22:09:52 GMT 2025