1/****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey                                     *
3 * Copyright 1998-2000,2008 Free Software Foundation, Inc.                  *
4 *                                                                          *
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:                 *
12 *                                                                          *
13 * The above copyright notice and this permission notice shall be included  *
14 * in all copies or substantial portions of the Software.                   *
15 *                                                                          *
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.                               *
23 *                                                                          *
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       *
27 * authorization.                                                           *
28 ****************************************************************************/
29
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 ****************************************************************************/
35
36/* $Id: capdefaults.c,v 1.16 2021/09/04 10:52:55 tom Exp $ */
37
38    /*
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
42     * these conversions.
43     *
44     * Note:  This code is the functional inverse of the first part of
45     * postprocess_termcap().
46     */
47{
48    char *strp;
49    short capval;
50
51#define EXTRACT_DELAY(str) \
52    	(short) (strp = strchr(str, '*'), strp ? atoi(strp+1) : 0)
53
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;
60
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;
65    }
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;
72    }
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;
77
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;
86#undef EXTRACT_DELAY
87}
88