mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
76 lines
3.1 KiB
C
76 lines
3.1 KiB
C
/*-
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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
|
|
|
|
#include "histedit.h"
|
|
|
|
typedef const HistEvent * (*hist_fun_t) __P((ptr_t, int, ...));
|
|
|
|
typedef struct el_history_t {
|
|
char *buf; /* The 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 */
|
|
const HistEvent *ev; /* Event cookie */
|
|
} el_history_t;
|
|
|
|
#define HIST_FUN(el, fn, arg) \
|
|
((((el)->el_history.ev = \
|
|
(*(el)->el_history.fun)((el)->el_history.ref, fn, arg)) == NULL) ? \
|
|
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_EVENT(el, num) HIST_FUN(el, H_EVENT, num)
|
|
|
|
protected int hist_init __P((EditLine *));
|
|
protected void hist_end __P((EditLine *));
|
|
protected el_action_t hist_get __P((EditLine *));
|
|
protected int hist_set __P((EditLine *, hist_fun_t, ptr_t));
|
|
protected int hist_list __P((EditLine *, int, char **));
|
|
|
|
#endif /* _h_el_hist */
|