ncurses 5.0
[ncurses.git] / include / capdefaults.c
1 /****************************************************************************
2  * Copyright (c) 1998 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 1.8 1998/07/04 22:31:04 tom Exp $ */
35
36         /*
37          * Compute obsolete capabilities.  The reason this is an include file
38          * is that the two places where it's needed want the macros to
39          * generate offsets to different structures.  See the file Caps for
40          * explanations of these conversions.
41          *
42          * Note: This code is the functional inverse of the first part
43          * of postprocess_entry().
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                 {
61                         termcap_init2 = init_3string;
62                         init_3string = (char *)0;
63                 }
64                 if (VALID_STRING(reset_1string)
65                         && !VALID_STRING(reset_2string)
66                         && VALID_STRING(reset_3string))
67                 {
68                         termcap_reset = reset_2string;
69                         reset_2string = (char *)0;
70                 }
71 #if USE_XMC_SUPPORT
72                 if (magic_cookie_glitch_ul < 0 && magic_cookie_glitch && VALID_STRING(enter_underline_mode))
73                         magic_cookie_glitch_ul = magic_cookie_glitch;
74 #else
75                 magic_cookie_glitch_ul = -1;
76 #endif
77
78                 /* totally obsolete capabilities */
79                 linefeed_is_newline = 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         }