2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#)prompt.c 8.1 (Berkeley) 6/4/93
33 * $NetBSD: prompt.c,v 1.11 2003/08/07 16:44:32 agc Exp $
34 * $DragonFly: src/lib/libedit/prompt.c,v 1.5 2005/11/13 11:58:30 corecode Exp $
40 * prompt.c: Prompt printing functions
45 private char *prompt_default(EditLine *);
46 private char *prompt_default_r(EditLine *);
49 * Just a default prompt, in case the user did not provide one
53 prompt_default(EditLine *el __attribute__((__unused__)))
55 static char a[3] = {'?', ' ', '\0'};
61 /* prompt_default_r():
62 * Just a default rprompt, in case the user did not provide one
66 prompt_default_r(EditLine *el __attribute__((__unused__)))
68 static char a[1] = {'\0'};
75 * Print the prompt and update the prompt position.
76 * We use an array of integers in case we want to pass
77 * literal escape sequences in the prompt and we want a
81 prompt_print(EditLine *el, int op)
89 elp = &el->el_rprompt;
90 p = (elp->p_func) (el);
94 elp->p_pos.v = el->el_refresh.r_cursor.v;
95 elp->p_pos.h = el->el_refresh.r_cursor.h;
100 * Initialize the prompt stuff
103 prompt_init(EditLine *el)
106 el->el_prompt.p_func = prompt_default;
107 el->el_prompt.p_pos.v = 0;
108 el->el_prompt.p_pos.h = 0;
109 el->el_rprompt.p_func = prompt_default_r;
110 el->el_rprompt.p_pos.v = 0;
111 el->el_rprompt.p_pos.h = 0;
117 * Clean up the prompt stuff
121 prompt_end(EditLine *el __attribute__((__unused__)))
127 * Install a prompt printing function
130 prompt_set(EditLine *el, el_pfunc_t prf, int op)
140 p->p_func = prompt_default;
142 p->p_func = prompt_default_r;
152 * Retrieve the prompt printing function
155 prompt_get(EditLine *el, el_pfunc_t *prf, int op)
161 *prf = el->el_prompt.p_func;
163 *prf = el->el_rprompt.p_func;