GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/keyok.c Lines: 0 16 0.0 %
Date: 2017-11-07 Branches: 0 16 0.0 %

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/* $OpenBSD: keyok.c,v 1.5 2010/01/12 23:22:05 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2000,2006 Free Software Foundation, Inc.              *
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 *                                                                          *
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 * Permission is hereby granted, free of charge, to any person obtaining a  *
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 * copy of this software and associated documentation files (the            *
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 * "Software"), to deal in the Software without restriction, including      *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * distribute, distribute with modifications, sublicense, and/or sell       *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * furnished to do so, subject to the following conditions:                 *
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 *                                                                          *
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 * The above copyright notice and this permission notice shall be included  *
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 * in all copies or substantial portions of the Software.                   *
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 *                                                                          *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 *                                                                          *
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 * Except as contained in this notice, the name(s) of the above copyright   *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * sale, use or other dealings in this Software without prior written       *
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 * authorization.                                                           *
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 ****************************************************************************/
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/****************************************************************************
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 *  Author: Thomas E. Dickey            1997-on                             *
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 ****************************************************************************/
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#include <curses.priv.h>
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MODULE_ID("$Id: keyok.c,v 1.5 2010/01/12 23:22:05 nicm Exp $")
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/*
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 * Enable (or disable) ncurses' interpretation of a keycode by adding (or
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 * removing) the corresponding 'tries' entry.
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 *
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 * Do this by storing a second tree of tries, which records the disabled keys.
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 * The simplest way to copy is to make a function that returns the string (with
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 * nulls set to 0200), then use that to reinsert the string into the
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 * corresponding tree.
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 */
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NCURSES_EXPORT(int)
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keyok(int c, bool flag)
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{
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    int code = ERR;
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    int count = 0;
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    char *s;
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    T((T_CALLED("keyok(%d,%d)"), c, flag));
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    if (c >= 0) {
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	unsigned ch = (unsigned) c;
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	if (flag) {
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	    while ((s = _nc_expand_try(SP->_key_ok, ch, &count, 0)) != 0
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		   && _nc_remove_key(&(SP->_key_ok), ch)) {
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		code = _nc_add_to_try(&(SP->_keytry), s, ch);
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		free(s);
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		count = 0;
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		if (code != OK)
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		    break;
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	    }
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	} else {
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	    while ((s = _nc_expand_try(SP->_keytry, ch, &count, 0)) != 0
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		   && _nc_remove_key(&(SP->_keytry), ch)) {
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		code = _nc_add_to_try(&(SP->_key_ok), s, ch);
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		free(s);
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		count = 0;
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		if (code != OK)
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		    break;
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	    }
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	}
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    }
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    returnCode(code);
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}