capdefaults.c revision 62449 
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2 * Copyright (c) 1998-2000 Free Software Foundation, Inc.                   *
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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