xref: /freebsd/contrib/ncurses/include/capdefaults.c (revision 3f05af05ace08ae28892ecfd28b000822a5d7ae0)
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3  *                                                                          *
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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  *     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