1 /****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey *
3 * Copyright 1998-2000,2008 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
32 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
33 * and: Thomas E. Dickey 1996-on *
34 ****************************************************************************/
36 /* $Id: capdefaults.c,v 1.16 2021/09/04 10:52:55 tom Exp $ */
39 * Compute obsolete capabilities. The reason this is an include file is
40 * that the two places where it is needed require the macros to generate
41 * offsets to different structures. See the file Caps for explanations of
44 * Note: This code is the functional inverse of the first part of
45 * postprocess_termcap().
51 #define EXTRACT_DELAY(str) \
52 (short) (strp = strchr(str, '*'), strp ? atoi(strp+1) : 0)
54 /* current (4.4BSD) capabilities marked obsolete */
55 if (VALID_STRING(carriage_return)
56 && (capval = EXTRACT_DELAY(carriage_return)))
57 carriage_return_delay = capval;
58 if (VALID_STRING(newline) && (capval = EXTRACT_DELAY(newline)))
59 new_line_delay = capval;
61 /* current (4.4BSD) capabilities not obsolete */
62 if (!VALID_STRING(termcap_init2) && VALID_STRING(init_3string)) {
63 termcap_init2 = init_3string;
64 init_3string = ABSENT_STRING;
66 if (!VALID_STRING(termcap_reset)
67 && VALID_STRING(reset_2string)
68 && !VALID_STRING(reset_1string)
69 && !VALID_STRING(reset_3string)) {
70 termcap_reset = reset_2string;
71 reset_2string = ABSENT_STRING;
73 if (magic_cookie_glitch_ul == ABSENT_NUMERIC
74 && magic_cookie_glitch != ABSENT_NUMERIC
75 && VALID_STRING(enter_underline_mode))
76 magic_cookie_glitch_ul = magic_cookie_glitch;
78 /* totally obsolete capabilities */
79 linefeed_is_newline = (char) (VALID_STRING(newline)
80 && (strcmp("\n", newline) == 0));
81 if (VALID_STRING(cursor_left)
82 && (capval = EXTRACT_DELAY(cursor_left)))
83 backspace_delay = capval;
84 if (VALID_STRING(tab) && (capval = EXTRACT_DELAY(tab)))
85 horizontal_tab_delay = capval;