/* $OpenBSD: lib_tracechr.c,v 1.5 2010/01/12 23:22:07 nicm Exp $ */

/****************************************************************************

 * Copyright (c) 1998-2007,2008 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       *

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 ****************************************************************************/

/****************************************************************************

 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *

 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *

 *     and: Thomas E. Dickey                        1996-on                 *

 ****************************************************************************/

/*

 *	lib_tracechr.c - Tracing/Debugging routines

 */

#include <curses.priv.h>

#include <ctype.h>

MODULE_ID("$Id: lib_tracechr.c,v 1.5 2010/01/12 23:22:07 nicm Exp $")

#ifdef TRACE

NCURSES_EXPORT(char *)

_nc_tracechar(SCREEN *sp, int ch)

{

    NCURSES_CONST char *name;

    char *MyBuffer = ((sp != 0)

		      ? sp->tracechr_buf

		      : _nc_globals.tracechr_buf);

    size_t len = ((sp != 0)

		  ? _nc_screen_tracechr_buf_size

		  : _nc_globals_traceatr_color_buf_size);

    if (ch > KEY_MIN || ch < 0) {

	name = _nc_keyname(sp, ch);

	if (name == 0 || *name == '\0')

	    name = "NULL";

	(void) snprintf(MyBuffer, len, "'%.30s' = %#03o", name, ch);

    } else if (!is8bits(ch) || !isprint(UChar(ch))) {

	/*

	 * workaround for glibc bug:

	 * sprintf changes the result from unctrl() to an empty string if it

	 * does not correspond to a valid multibyte sequence.

	 */

	(void) snprintf(MyBuffer, len, "%#03o", ch);

    } else {

	name = _nc_unctrl(sp, (chtype) ch);

	if (name == 0 || *name == 0)

	    name = "null";	/* shouldn't happen */

	(void) snprintf(MyBuffer, len, "'%.30s' = %#03o", name, ch);

    }

    return (MyBuffer);

}

NCURSES_EXPORT(char *)

_tracechar(int ch)

{

    return _nc_tracechar(SP, ch);

}

#else

#endif