ncurses 5.7
[ncurses.git] / include / capdefaults.c
index 1e2261576adf1303dc579952cdd17eff6e68ee8f..33f2fe8f029909a71105646fa442b822e74d4937 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998-2000,2008 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
-/* $Id: capdefaults.c,v 1.7 1998/02/11 12:13:45 tom Exp $ */
+/* $Id: capdefaults.c,v 1.13 2008/08/04 12:33:42 tom Exp $ */
 
-       /*
-        * Compute obsolete capabilities.  The reason this is an include file
-        * is that the two places where it's needed want the macros to
-        * generate offsets to different structures.  See the file Caps for
-        * explanations of these conversions.
-        *
-        * Note: This code is the functional inverse of the first part
-        * of postprocess_entry().
-        */
-       {
-               char *sp;
-               int capval;
+    /*
+     * Compute obsolete capabilities.  The reason this is an include file is
+     * that the two places where it's needed want the macros to generate
+     * offsets to different structures.  See the file Caps for explanations of
+     * these conversions.
+     *
+     * Note:  This code is the functional inverse of the first part of
+     * postprocess_termcap().
+     */
+{
+    char *sp;
+    short capval;
 
-#define EXTRACT_DELAY(str)     (sp = strchr(str, '*'), sp ? atoi(sp+1) : 0)
+#define EXTRACT_DELAY(str) \
+       (short) (sp = strchr(str, '*'), sp ? atoi(sp+1) : 0)
 
-               /* current (4.4BSD) capabilities marked obsolete */
-               if (VALID_STRING(carriage_return)
-                               && (capval = EXTRACT_DELAY(carriage_return)))
-                       carriage_return_delay = capval;
-               if (VALID_STRING(newline) && (capval = EXTRACT_DELAY(newline)))
-                       new_line_delay = capval;
+    /* current (4.4BSD) capabilities marked obsolete */
+    if (VALID_STRING(carriage_return)
+       && (capval = EXTRACT_DELAY(carriage_return)))
+       carriage_return_delay = capval;
+    if (VALID_STRING(newline) && (capval = EXTRACT_DELAY(newline)))
+       new_line_delay = capval;
 
-               /* current (4.4BSD) capabilities not obsolete */
-               if (!VALID_STRING(termcap_init2) && VALID_STRING(init_3string))
-               {
-                       termcap_init2 = init_3string;
-                       init_3string = (char *)NULL;
-               }
-               if (VALID_STRING(reset_1string)
-                       && !VALID_STRING(reset_2string)
-                       && VALID_STRING(reset_3string))
-               {
-                       termcap_reset = reset_1string;
-                       reset_1string = (char *)NULL;
-               }
-#if USE_XMC_SUPPORT
-               if (magic_cookie_glitch_ul < 0 && magic_cookie_glitch && VALID_STRING(enter_underline_mode))
-                       magic_cookie_glitch_ul = magic_cookie_glitch;
-#else
-               magic_cookie_glitch_ul = -1;
-#endif
+    /* current (4.4BSD) capabilities not obsolete */
+    if (!VALID_STRING(termcap_init2) && VALID_STRING(init_3string)) {
+       termcap_init2 = init_3string;
+       init_3string = ABSENT_STRING;
+    }
+    if (!VALID_STRING(termcap_reset)
+     && VALID_STRING(reset_2string)
+     && !VALID_STRING(reset_1string)
+     && !VALID_STRING(reset_3string)) {
+       termcap_reset = reset_2string;
+       reset_2string = ABSENT_STRING;
+    }
+    if (magic_cookie_glitch_ul == ABSENT_NUMERIC
+       && magic_cookie_glitch != ABSENT_NUMERIC
+       && VALID_STRING(enter_underline_mode))
+       magic_cookie_glitch_ul = magic_cookie_glitch;
 
-               /* totally obsolete capabilities */
-               linefeed_is_newline = VALID_STRING(newline)
-                                       && (strcmp("\n", newline) == 0);
-               if (VALID_STRING(cursor_left)
-                               && (capval = EXTRACT_DELAY(cursor_left)))
-                       backspace_delay = capval;
-               if (VALID_STRING(tab) && (capval = EXTRACT_DELAY(tab)))
-                       horizontal_tab_delay = capval;
+    /* totally obsolete capabilities */
+    linefeed_is_newline = (char) (VALID_STRING(newline)
+                                 && (strcmp("\n", newline) == 0));
+    if (VALID_STRING(cursor_left)
+       && (capval = EXTRACT_DELAY(cursor_left)))
+       backspace_delay = capval;
+    if (VALID_STRING(tab) && (capval = EXTRACT_DELAY(tab)))
+       horizontal_tab_delay = capval;
 #undef EXTRACT_DELAY
-       }
+}