contrib/ncurses/include/capdefaults.c

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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 }