1 /* $NetBSD: prompt.c,v 1.16 2009/07/17 12:26:26 christos Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Christos Zoulas of Cornell University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
36 #if !defined(lint) && !defined(SCCSID)
38 static char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93";
40 __RCSID("$NetBSD: prompt.c,v 1.16 2009/07/17 12:26:26 christos Exp $");
42 #endif /* not lint && not SCCSID */
45 * prompt.c: Prompt printing functions
50 private char *prompt_default(EditLine *);
51 private char *prompt_default_r(EditLine *);
54 * Just a default prompt, in case the user did not provide one
58 prompt_default(EditLine *el __attribute__((__unused__)))
60 static char a[3] = {'?', ' ', '\0'};
66 /* prompt_default_r():
67 * Just a default rprompt, in case the user did not provide one
71 prompt_default_r(EditLine *el __attribute__((__unused__)))
73 static char a[1] = {'\0'};
80 * Print the prompt and update the prompt position.
81 * We use an array of integers in case we want to pass
82 * literal escape sequences in the prompt and we want a
86 prompt_print(EditLine *el, int op)
95 elp = &el->el_rprompt;
97 for (p = (*elp->p_func)(el); *p; p++) {
98 if (elp->p_ignore == *p) {
108 elp->p_pos.v = el->el_refresh.r_cursor.v;
109 elp->p_pos.h = el->el_refresh.r_cursor.h;
114 * Initialize the prompt stuff
117 prompt_init(EditLine *el)
120 el->el_prompt.p_func = prompt_default;
121 el->el_prompt.p_pos.v = 0;
122 el->el_prompt.p_pos.h = 0;
123 el->el_prompt.p_ignore = '\0';
124 el->el_rprompt.p_func = prompt_default_r;
125 el->el_rprompt.p_pos.v = 0;
126 el->el_rprompt.p_pos.h = 0;
127 el->el_rprompt.p_ignore = '\0';
133 * Clean up the prompt stuff
137 prompt_end(EditLine *el __attribute__((__unused__)))
143 * Install a prompt printing function
146 prompt_set(EditLine *el, el_pfunc_t prf, char c, int op)
150 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
156 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
157 p->p_func = prompt_default;
159 p->p_func = prompt_default_r;
173 * Retrieve the prompt printing function
176 prompt_get(EditLine *el, el_pfunc_t *prf, char *c, int op)
188 *prf = el->el_rprompt.p_func;