xref: /freebsd/contrib/ncurses/include/capdefaults.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /****************************************************************************
2  * Copyright (c) 1998-2000,2008 Free Software Foundation, Inc.              *
3  *                                                                          *
4  * Permission is hereby granted, free of charge, to any person obtaining a  *
5  * copy of this software and associated documentation files (the            *
6  * "Software"), to deal in the Software without restriction, including      *
7  * without limitation the rights to use, copy, modify, merge, publish,      *
8  * distribute, distribute with modifications, sublicense, and/or sell       *
9  * copies of the Software, and to permit persons to whom the Software is    *
10  * furnished to do so, subject to the following conditions:                 *
11  *                                                                          *
12  * The above copyright notice and this permission notice shall be included  *
13  * in all copies or substantial portions of the Software.                   *
14  *                                                                          *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22  *                                                                          *
23  * Except as contained in this notice, the name(s) of the above copyright   *
24  * holders shall not be used in advertising or otherwise to promote the     *
25  * sale, use or other dealings in this Software without prior written       *
26  * authorization.                                                           *
27  ****************************************************************************/
28 
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  *     and: Thomas E. Dickey                        1996-on                 *
33  ****************************************************************************/
34 
35 /* $Id: capdefaults.c,v 1.14 2008/11/16 00:19:59 juergen Exp $ */
36 
37     /*
38      * Compute obsolete capabilities.  The reason this is an include file is
39      * that the two places where it's needed want the macros to generate
40      * offsets to different structures.  See the file Caps for explanations of
41      * these conversions.
42      *
43      * Note:  This code is the functional inverse of the first part of
44      * postprocess_termcap().
45      */
46 {
47     char *strp;
48     short capval;
49 
50 #define EXTRACT_DELAY(str) \
51     	(short) (strp = strchr(str, '*'), strp ? atoi(strp+1) : 0)
52 
53     /* current (4.4BSD) capabilities marked obsolete */
54     if (VALID_STRING(carriage_return)
55 	&& (capval = EXTRACT_DELAY(carriage_return)))
56 	carriage_return_delay = capval;
57     if (VALID_STRING(newline) && (capval = EXTRACT_DELAY(newline)))
58 	new_line_delay = capval;
59 
60     /* current (4.4BSD) capabilities not obsolete */
61     if (!VALID_STRING(termcap_init2) && VALID_STRING(init_3string)) {
62 	termcap_init2 = init_3string;
63 	init_3string = ABSENT_STRING;
64     }
65     if (!VALID_STRING(termcap_reset)
66      && VALID_STRING(reset_2string)
67      && !VALID_STRING(reset_1string)
68      && !VALID_STRING(reset_3string)) {
69 	termcap_reset = reset_2string;
70 	reset_2string = ABSENT_STRING;
71     }
72     if (magic_cookie_glitch_ul == ABSENT_NUMERIC
73 	&& magic_cookie_glitch != ABSENT_NUMERIC
74 	&& VALID_STRING(enter_underline_mode))
75 	magic_cookie_glitch_ul = magic_cookie_glitch;
76 
77     /* totally obsolete capabilities */
78     linefeed_is_newline = (char) (VALID_STRING(newline)
79 				  && (strcmp("\n", newline) == 0));
80     if (VALID_STRING(cursor_left)
81 	&& (capval = EXTRACT_DELAY(cursor_left)))
82 	backspace_delay = capval;
83     if (VALID_STRING(tab) && (capval = EXTRACT_DELAY(tab)))
84 	horizontal_tab_delay = capval;
85 #undef EXTRACT_DELAY
86 }
87