1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)hist.h 8.1 (Berkeley) 6/4/93
37 * $NetBSD: hist.h,v 1.5 2000/09/04 22:06:30 lukem Exp $
38 * $FreeBSD: head/lib/libedit/hist.h 84260 2001-10-01 08:41:27Z obrien $
39 */
40
41/*
42 * el.hist.c: History functions
43 */
44#ifndef _h_el_hist
45#define _h_el_hist
46
47#include "histedit.h"
48
49typedef int (*hist_fun_t)(ptr_t, HistEvent *, int, ...);
50
51typedef struct el_history_t {
52 char *buf; /* The history buffer */
53 size_t sz; /* Size of history buffer */
54 char *last; /* The last character */
55 int eventno; /* Event we are looking for */
56 ptr_t ref; /* Argument for history fcns */
57 hist_fun_t fun; /* Event access */
58 HistEvent ev; /* Event cookie */
59} el_history_t;
60
61#define HIST_FUN(el, fn, arg) \
62 ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
63 fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
64
65#define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL)
66#define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL)
67#define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL)
68#define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL)
69#define HIST_EVENT(el, num) HIST_FUN(el, H_EVENT, num)
70#define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname)
71#define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname)
72
73protected int hist_init(EditLine *);
74protected void hist_end(EditLine *);
75protected el_action_t hist_get(EditLine *);
76protected int hist_set(EditLine *, hist_fun_t, ptr_t);
77protected int hist_list(EditLine *, int, char **);
78protected int hist_enlargebuf(EditLine *, size_t, size_t);
79
80#endif /* _h_el_hist */
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)hist.h 8.1 (Berkeley) 6/4/93
37 * $NetBSD: hist.h,v 1.5 2000/09/04 22:06:30 lukem Exp $
38 * $FreeBSD: head/lib/libedit/hist.h 84260 2001-10-01 08:41:27Z obrien $
39 */
40
41/*
42 * el.hist.c: History functions
43 */
44#ifndef _h_el_hist
45#define _h_el_hist
46
47#include "histedit.h"
48
49typedef int (*hist_fun_t)(ptr_t, HistEvent *, int, ...);
50
51typedef struct el_history_t {
52 char *buf; /* The history buffer */
53 size_t sz; /* Size of history buffer */
54 char *last; /* The last character */
55 int eventno; /* Event we are looking for */
56 ptr_t ref; /* Argument for history fcns */
57 hist_fun_t fun; /* Event access */
58 HistEvent ev; /* Event cookie */
59} el_history_t;
60
61#define HIST_FUN(el, fn, arg) \
62 ((((*(el)->el_history.fun) ((el)->el_history.ref, &(el)->el_history.ev, \
63 fn, arg)) == -1) ? NULL : (el)->el_history.ev.str)
64
65#define HIST_NEXT(el) HIST_FUN(el, H_NEXT, NULL)
66#define HIST_FIRST(el) HIST_FUN(el, H_FIRST, NULL)
67#define HIST_LAST(el) HIST_FUN(el, H_LAST, NULL)
68#define HIST_PREV(el) HIST_FUN(el, H_PREV, NULL)
69#define HIST_EVENT(el, num) HIST_FUN(el, H_EVENT, num)
70#define HIST_LOAD(el, fname) HIST_FUN(el, H_LOAD fname)
71#define HIST_SAVE(el, fname) HIST_FUN(el, H_SAVE fname)
72
73protected int hist_init(EditLine *);
74protected void hist_end(EditLine *);
75protected el_action_t hist_get(EditLine *);
76protected int hist_set(EditLine *, hist_fun_t, ptr_t);
77protected int hist_list(EditLine *, int, char **);
78protected int hist_enlargebuf(EditLine *, size_t, size_t);
79
80#endif /* _h_el_hist */