include/capdefaults.c

   1 /****************************************************************************
   2  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
   3  *                                                                          *
   4  * Permission is hereby granted, free of charge, to any person obtaining a  *
   5  * copy of this software and associated documentation files (the            *
   6  * "Software"), to deal in the Software without restriction, including      *
   7  * without limitation the rights to use, copy, modify, merge, publish,      *
   8  * distribute, distribute with modifications, sublicense, and/or sell       *
   9  * copies of the Software, and to permit persons to whom the Software is    *
  10  * furnished to do so, subject to the following conditions:                 *
  11  *                                                                          *
  12  * The above copyright notice and this permission notice shall be included  *
  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22  *                                                                          *
  23  * Except as contained in this notice, the name(s) of the above copyright   *
  24  * holders shall not be used in advertising or otherwise to promote the     *
  25  * sale, use or other dealings in this Software without prior written       *
  26  * authorization.                                                           *
  27  ****************************************************************************/
  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         }