contrib/ncurses-5.4/include/capdefaults.c

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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 }