+/****************************************************************************
+ * Copyright 2020 Thomas E. Dickey *
+ * Copyright 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 *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * 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 1.4 1996/08/18 00:56:09 tom Exp $ */
+/* $Id: capdefaults.c,v 1.15 2020/02/02 23:34:34 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 *strp;
+ short capval;
-#define VALID_STRING(s) ((s) && s != CANCELLED_STRING)
-#define EXTRACT_DELAY(str) (sp = strchr(str, '*'), sp ? atoi(sp+1) : 0)
+#define EXTRACT_DELAY(str) \
+ (short) (strp = strchr(str, '*'), strp ? atoi(strp+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 (magic_cookie_glitch_ul < 0 && magic_cookie_glitch && VALID_STRING(enter_underline_mode))
- magic_cookie_glitch_ul = magic_cookie_glitch;
+ /* 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
- }
+}