xref: /freebsd/contrib/ncurses/include/capdefaults.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /****************************************************************************
2  * Copyright (c) 1998-2000 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  ****************************************************************************/
33 
34 /* $Id: capdefaults.c,v 1.12 2000/01/02 02:34:56 tom Exp $ */
35 
36     /*
37      * Compute obsolete capabilities.  The reason this is an include file is
38      * that the two places where it's needed want the macros to generate
39      * offsets to different structures.  See the file Caps for explanations of
40      * these conversions.
41      *
42      * Note:  This code is the functional inverse of the first part of
43      * postprocess_termcap().
44      */
45 {
46     char *sp;
47     int capval;
48 
49 #define EXTRACT_DELAY(str)	(sp = strchr(str, '*'), sp ? atoi(sp+1) : 0)
50 
51     /* current (4.4BSD) capabilities marked obsolete */
52     if (VALID_STRING(carriage_return)
53 	&& (capval = EXTRACT_DELAY(carriage_return)))
54 	carriage_return_delay = capval;
55     if (VALID_STRING(newline) && (capval = EXTRACT_DELAY(newline)))
56 	new_line_delay = capval;
57 
58     /* current (4.4BSD) capabilities not obsolete */
59     if (!VALID_STRING(termcap_init2) && VALID_STRING(init_3string)) {
60 	termcap_init2 = init_3string;
61 	init_3string = ABSENT_STRING;
62     }
63     if (!VALID_STRING(termcap_reset)
64      && VALID_STRING(reset_2string)
65      && !VALID_STRING(reset_1string)
66      && !VALID_STRING(reset_3string)) {
67 	termcap_reset = reset_2string;
68 	reset_2string = ABSENT_STRING;
69     }
70     if (magic_cookie_glitch_ul == ABSENT_NUMERIC
71 	&& magic_cookie_glitch != ABSENT_NUMERIC
72 	&& VALID_STRING(enter_underline_mode))
73 	magic_cookie_glitch_ul = magic_cookie_glitch;
74 
75     /* totally obsolete capabilities */
76     linefeed_is_newline = VALID_STRING(newline)
77 	&& (strcmp("\n", newline) == 0);
78     if (VALID_STRING(cursor_left)
79 	&& (capval = EXTRACT_DELAY(cursor_left)))
80 	backspace_delay = capval;
81     if (VALID_STRING(tab) && (capval = EXTRACT_DELAY(tab)))
82 	horizontal_tab_delay = capval;
83 #undef EXTRACT_DELAY
84 }
85