ncurses-5.7/ncurses/trace/lib_traceatr.c - nest-learning-thermostat/5.1.5/ncurses - Git at Google

 /****************************************************************************
  * 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       *
  * authorization.                                                           *
  ****************************************************************************/

 /****************************************************************************
  *  Author: Thomas Dickey                           1996-on                 *
  *     and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  ****************************************************************************/

 /*
  *	lib_traceatr.c - Tracing/Debugging routines (attributes)
  */

 #include <curses.priv.h>
 #include <term.h>		/* acs_chars */

 MODULE_ID("$Id: lib_traceatr.c,v 1.63 2008/08/03 16:24:53 tom Exp $")

 #define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))

 #ifdef TRACE

 static const char l_brace[] = StringOf(L_BRACE);
 static const char r_brace[] = StringOf(R_BRACE);

 #ifndef USE_TERMLIB

 #define my_buffer _nc_globals.traceatr_color_buf
 #define my_select _nc_globals.traceatr_color_sel
 #define my_cached _nc_globals.traceatr_color_last

 static char *
 color_of(int c)
 {
     if (c != my_cached) {
 	my_cached = c;
 	my_select = !my_select;
 	if (c == COLOR_DEFAULT)
 	    strcpy(my_buffer[my_select], "default");
 	else
 	    sprintf(my_buffer[my_select], "color%d", c);
     }
     return my_buffer[my_select];
 }

 #undef my_buffer
 #undef my_select
 #endif /* !USE_TERMLIB */

 NCURSES_EXPORT(char *)
 _traceattr2(int bufnum, chtype newmode)
 {
     static const struct {
 	unsigned int val;
 	const char *name;
     } names[] =
     {
 	/* *INDENT-OFF* */
 	{ A_STANDOUT,		"A_STANDOUT" },
 	{ A_UNDERLINE,		"A_UNDERLINE" },
 	{ A_REVERSE,		"A_REVERSE" },
 	{ A_BLINK,		"A_BLINK" },
 	{ A_DIM,		"A_DIM" },
 	{ A_BOLD,		"A_BOLD" },
 	{ A_ALTCHARSET,		"A_ALTCHARSET" },
 	{ A_INVIS,		"A_INVIS" },
 	{ A_PROTECT,		"A_PROTECT" },
 	{ A_CHARTEXT,		"A_CHARTEXT" },
 	{ A_NORMAL,		"A_NORMAL" },
 	{ A_COLOR,		"A_COLOR" },
 	/* *INDENT-ON* */

     }
 #ifndef USE_TERMLIB
     ,
 	colors[] =
     {
 	/* *INDENT-OFF* */
 	{ COLOR_BLACK,		"COLOR_BLACK" },
 	{ COLOR_RED,		"COLOR_RED" },
 	{ COLOR_GREEN,		"COLOR_GREEN" },
 	{ COLOR_YELLOW,		"COLOR_YELLOW" },
 	{ COLOR_BLUE,		"COLOR_BLUE" },
 	{ COLOR_MAGENTA,	"COLOR_MAGENTA" },
 	{ COLOR_CYAN,		"COLOR_CYAN" },
 	{ COLOR_WHITE,		"COLOR_WHITE" },
 	/* *INDENT-ON* */

     }
 #endif /* !USE_TERMLIB */
     ;
     size_t n;
     char temp[80];
     char *result = _nc_trace_buf(bufnum, BUFSIZ);

     if (result != 0) {
 	unsigned save_nc_tracing = _nc_tracing;

 	_nc_tracing = 0;

 	strcpy(result, l_brace);

 	for (n = 0; n < SIZEOF(names); n++) {
 	    if ((newmode & names[n].val) != 0) {
 		if (result[1] != '\0')
 		    result = _nc_trace_bufcat(bufnum, "|");
 		result = _nc_trace_bufcat(bufnum, names[n].name);

 		if (names[n].val == A_COLOR) {
 		    short pairnum = PAIR_NUMBER(newmode);
 #ifdef USE_TERMLIB
 		    /* pair_content lives in libncurses */
 		    (void) sprintf(temp, "{%d}", pairnum);
 #else
 		    short fg, bg;

 		    if (pair_content(pairnum, &fg, &bg) == OK) {
 			(void) sprintf(temp,
 				       "{%d = {%s, %s}}",
 				       pairnum,
 				       COLOR_OF(fg),
 				       COLOR_OF(bg));
 		    } else {
 			(void) sprintf(temp, "{%d}", pairnum);
 		    }
 #endif
 		    result = _nc_trace_bufcat(bufnum, temp);
 		}
 	    }
 	}
 	if (ChAttrOf(newmode) == A_NORMAL) {
 	    if (result != 0 && result[1] != '\0')
 		(void) _nc_trace_bufcat(bufnum, "|");
 	    (void) _nc_trace_bufcat(bufnum, "A_NORMAL");
 	}

 	_nc_tracing = save_nc_tracing;
 	result = _nc_trace_bufcat(bufnum, r_brace);
     }
     return result;
 }

 NCURSES_EXPORT(char *)
 _traceattr(attr_t newmode)
 {
     return _traceattr2(0, newmode);
 }

 /* Trace 'int' return-values */
 NCURSES_EXPORT(attr_t)
 _nc_retrace_attr_t(attr_t code)
 {
     T((T_RETURN("%s"), _traceattr(code)));
     return code;
 }

 const char *
 _nc_altcharset_name(attr_t attr, chtype ch)
 {
     typedef struct {
 	unsigned int val;
 	const char *name;
     } ALT_NAMES;
     static const ALT_NAMES names[] =
     {
 	{'l', "ACS_ULCORNER"},	/* upper left corner */
 	{'m', "ACS_LLCORNER"},	/* lower left corner */
 	{'k', "ACS_URCORNER"},	/* upper right corner */
 	{'j', "ACS_LRCORNER"},	/* lower right corner */
 	{'t', "ACS_LTEE"},	/* tee pointing right */
 	{'u', "ACS_RTEE"},	/* tee pointing left */
 	{'v', "ACS_BTEE"},	/* tee pointing up */
 	{'w', "ACS_TTEE"},	/* tee pointing down */
 	{'q', "ACS_HLINE"},	/* horizontal line */
 	{'x', "ACS_VLINE"},	/* vertical line */
 	{'n', "ACS_PLUS"},	/* large plus or crossover */
 	{'o', "ACS_S1"},	/* scan line 1 */
 	{'s', "ACS_S9"},	/* scan line 9 */
 	{'`', "ACS_DIAMOND"},	/* diamond */
 	{'a', "ACS_CKBOARD"},	/* checker board (stipple) */
 	{'f', "ACS_DEGREE"},	/* degree symbol */
 	{'g', "ACS_PLMINUS"},	/* plus/minus */
 	{'~', "ACS_BULLET"},	/* bullet */
 	{',', "ACS_LARROW"},	/* arrow pointing left */
 	{'+', "ACS_RARROW"},	/* arrow pointing right */
 	{'.', "ACS_DARROW"},	/* arrow pointing down */
 	{'-', "ACS_UARROW"},	/* arrow pointing up */
 	{'h', "ACS_BOARD"},	/* board of squares */
 	{'i', "ACS_LANTERN"},	/* lantern symbol */
 	{'0', "ACS_BLOCK"},	/* solid square block */
 	{'p', "ACS_S3"},	/* scan line 3 */
 	{'r', "ACS_S7"},	/* scan line 7 */
 	{'y', "ACS_LEQUAL"},	/* less/equal */
 	{'z', "ACS_GEQUAL"},	/* greater/equal */
 	{'{', "ACS_PI"},	/* Pi */
 	{'|', "ACS_NEQUAL"},	/* not equal */
 	{'}', "ACS_STERLING"},	/* UK pound sign */
 	{'\0', (char *) 0}
     };

     const char *result = 0;

     if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
 	char *cp;
 	char *found = 0;
 	const ALT_NAMES *sp;

 	for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
 	    if (ChCharOf(cp[1]) == ChCharOf(ch)) {
 		found = cp;
 		/* don't exit from loop - there may be redefinitions */
 	    }
 	}

 	if (found != 0) {
 	    ch = ChCharOf(*found);
 	    for (sp = names; sp->val; sp++)
 		if (sp->val == ch) {
 		    result = sp->name;
 		    break;
 		}
 	}
     }
     return result;
 }

 NCURSES_EXPORT(char *)
 _tracechtype2(int bufnum, chtype ch)
 {
     const char *found;
     char *result = _nc_trace_buf(bufnum, BUFSIZ);

     if (result != 0) {
 	strcpy(result, l_brace);
 	if ((found = _nc_altcharset_name(ChAttrOf(ch), ch)) != 0) {
 	    (void) _nc_trace_bufcat(bufnum, found);
 	} else
 	    (void) _nc_trace_bufcat(bufnum, _nc_tracechar(SP, (int) ChCharOf(ch)));

 	if (ChAttrOf(ch) != A_NORMAL) {
 	    (void) _nc_trace_bufcat(bufnum, " | ");
 	    (void) _nc_trace_bufcat(bufnum,
 				    _traceattr2(bufnum + 20, ChAttrOf(ch)));
 	}

 	result = _nc_trace_bufcat(bufnum, r_brace);
     }
     return result;
 }

 NCURSES_EXPORT(char *)
 _tracechtype(chtype ch)
 {
     return _tracechtype2(0, ch);
 }

 /* Trace 'chtype' return-values */
 NCURSES_EXPORT(chtype)
 _nc_retrace_chtype(chtype code)
 {
     T((T_RETURN("%s"), _tracechtype(code)));
     return code;
 }

 #if USE_WIDEC_SUPPORT
 NCURSES_EXPORT(char *)
 _tracecchar_t2(int bufnum, const cchar_t *ch)
 {
     char *result = _nc_trace_buf(bufnum, BUFSIZ);
     attr_t attr;
     const char *found;

     if (result != 0) {
 	strcpy(result, l_brace);
 	if (ch != 0) {
 	    attr = AttrOfD(ch);
 	    if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
 		(void) _nc_trace_bufcat(bufnum, found);
 		attr &= ~A_ALTCHARSET;
 	    } else if (isWidecExt(CHDEREF(ch))) {
 		(void) _nc_trace_bufcat(bufnum, "{NAC}");
 		attr &= ~A_CHARTEXT;
 	    } else {
 		PUTC_DATA;
 		int n;

 		PUTC_INIT;
 		(void) _nc_trace_bufcat(bufnum, "{ ");
 		for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
 		    PUTC_ch = ch->chars[PUTC_i];
 		    if (PUTC_ch == L'\0')
 			break;
 		    PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
 		    if (PUTC_n <= 0) {
 			if (PUTC_ch != L'\0') {
 			    /* it could not be a multibyte sequence */
 			    (void) _nc_trace_bufcat(bufnum,
 						    _nc_tracechar(SP,
 								  UChar(ch->chars[PUTC_i])));
 			}
 			break;
 		    }
 		    for (n = 0; n < PUTC_n; n++) {
 			if (n)
 			    (void) _nc_trace_bufcat(bufnum, ", ");
 			(void) _nc_trace_bufcat(bufnum,
 						_nc_tracechar(SP,
 							      UChar(PUTC_buf[n])));
 		    }
 		}
 		(void) _nc_trace_bufcat(bufnum, " }");
 	    }
 	    if (attr != A_NORMAL) {
 		(void) _nc_trace_bufcat(bufnum, " | ");
 		(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
 	    }
 	}

 	result = _nc_trace_bufcat(bufnum, r_brace);
     }
     return result;
 }

 NCURSES_EXPORT(char *)
 _tracecchar_t(const cchar_t *ch)
 {
     return _tracecchar_t2(0, ch);
 }
 #endif

 #else
 EMPTY_MODULE(_nc_lib_traceatr)
 #endif /* TRACE */
	/****************************************************************************
	* 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 *
	* authorization. *
	****************************************************************************/

	/****************************************************************************
	* Author: Thomas Dickey 1996-on *
	* and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
	* and: Eric S. Raymond <esr@snark.thyrsus.com> *
	****************************************************************************/

	/*
	* lib_traceatr.c - Tracing/Debugging routines (attributes)
	*/

	#include <curses.priv.h>
	#include <term.h> /* acs_chars */

	MODULE_ID("$Id: lib_traceatr.c,v 1.63 2008/08/03 16:24:53 tom Exp $")

	#define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))

	#ifdef TRACE

	static const char l_brace[] = StringOf(L_BRACE);
	static const char r_brace[] = StringOf(R_BRACE);

	#ifndef USE_TERMLIB

	#define my_buffer _nc_globals.traceatr_color_buf
	#define my_select _nc_globals.traceatr_color_sel
	#define my_cached _nc_globals.traceatr_color_last

	static char *
	color_of(int c)
	{
	if (c != my_cached) {
	my_cached = c;
	my_select = !my_select;
	if (c == COLOR_DEFAULT)
	strcpy(my_buffer[my_select], "default");
	else
	sprintf(my_buffer[my_select], "color%d", c);
	}
	return my_buffer[my_select];
	}

	#undef my_buffer
	#undef my_select
	#endif /* !USE_TERMLIB */

	NCURSES_EXPORT(char *)
	_traceattr2(int bufnum, chtype newmode)
	{
	static const struct {
	unsigned int val;
	const char *name;
	} names[] =
	{
	/* INDENT-OFF */
	{ A_STANDOUT, "A_STANDOUT" },
	{ A_UNDERLINE, "A_UNDERLINE" },
	{ A_REVERSE, "A_REVERSE" },
	{ A_BLINK, "A_BLINK" },
	{ A_DIM, "A_DIM" },
	{ A_BOLD, "A_BOLD" },
	{ A_ALTCHARSET, "A_ALTCHARSET" },
	{ A_INVIS, "A_INVIS" },
	{ A_PROTECT, "A_PROTECT" },
	{ A_CHARTEXT, "A_CHARTEXT" },
	{ A_NORMAL, "A_NORMAL" },
	{ A_COLOR, "A_COLOR" },
	/* INDENT-ON */

	}
	#ifndef USE_TERMLIB
	,
	colors[] =
	{
	/* INDENT-OFF */
	{ COLOR_BLACK, "COLOR_BLACK" },
	{ COLOR_RED, "COLOR_RED" },
	{ COLOR_GREEN, "COLOR_GREEN" },
	{ COLOR_YELLOW, "COLOR_YELLOW" },
	{ COLOR_BLUE, "COLOR_BLUE" },
	{ COLOR_MAGENTA, "COLOR_MAGENTA" },
	{ COLOR_CYAN, "COLOR_CYAN" },
	{ COLOR_WHITE, "COLOR_WHITE" },
	/* INDENT-ON */

	}
	#endif /* !USE_TERMLIB */
	;
	size_t n;
	char temp[80];
	char *result = _nc_trace_buf(bufnum, BUFSIZ);

	if (result != 0) {
	unsigned save_nc_tracing = _nc_tracing;

	_nc_tracing = 0;

	strcpy(result, l_brace);

	for (n = 0; n < SIZEOF(names); n++) {
	if ((newmode & names[n].val) != 0) {
	if (result[1] != '\0')
	result = _nc_trace_bufcat(bufnum, "\|");
	result = _nc_trace_bufcat(bufnum, names[n].name);

	if (names[n].val == A_COLOR) {
	short pairnum = PAIR_NUMBER(newmode);
	#ifdef USE_TERMLIB
	/* pair_content lives in libncurses */
	(void) sprintf(temp, "{%d}", pairnum);
	#else
	short fg, bg;

	if (pair_content(pairnum, &fg, &bg) == OK) {
	(void) sprintf(temp,
	"{%d = {%s, %s}}",
	pairnum,
	COLOR_OF(fg),
	COLOR_OF(bg));
	} else {
	(void) sprintf(temp, "{%d}", pairnum);
	}
	#endif
	result = _nc_trace_bufcat(bufnum, temp);
	}
	}
	}
	if (ChAttrOf(newmode) == A_NORMAL) {
	if (result != 0 && result[1] != '\0')
	(void) _nc_trace_bufcat(bufnum, "\|");
	(void) _nc_trace_bufcat(bufnum, "A_NORMAL");
	}

	_nc_tracing = save_nc_tracing;
	result = _nc_trace_bufcat(bufnum, r_brace);
	}
	return result;
	}

	NCURSES_EXPORT(char *)
	_traceattr(attr_t newmode)
	{
	return _traceattr2(0, newmode);
	}

	/* Trace 'int' return-values */
	NCURSES_EXPORT(attr_t)
	_nc_retrace_attr_t(attr_t code)
	{
	T((T_RETURN("%s"), _traceattr(code)));
	return code;
	}

	const char *
	_nc_altcharset_name(attr_t attr, chtype ch)
	{
	typedef struct {
	unsigned int val;
	const char *name;
	} ALT_NAMES;
	static const ALT_NAMES names[] =
	{
	{'l', "ACS_ULCORNER"}, /* upper left corner */
	{'m', "ACS_LLCORNER"}, /* lower left corner */
	{'k', "ACS_URCORNER"}, /* upper right corner */
	{'j', "ACS_LRCORNER"}, /* lower right corner */
	{'t', "ACS_LTEE"}, /* tee pointing right */
	{'u', "ACS_RTEE"}, /* tee pointing left */
	{'v', "ACS_BTEE"}, /* tee pointing up */
	{'w', "ACS_TTEE"}, /* tee pointing down */
	{'q', "ACS_HLINE"}, /* horizontal line */
	{'x', "ACS_VLINE"}, /* vertical line */
	{'n', "ACS_PLUS"}, /* large plus or crossover */
	{'o', "ACS_S1"}, /* scan line 1 */
	{'s', "ACS_S9"}, /* scan line 9 */
	{'`', "ACS_DIAMOND"}, /* diamond */
	{'a', "ACS_CKBOARD"}, /* checker board (stipple) */
	{'f', "ACS_DEGREE"}, /* degree symbol */
	{'g', "ACS_PLMINUS"}, /* plus/minus */
	{'~', "ACS_BULLET"}, /* bullet */
	{',', "ACS_LARROW"}, /* arrow pointing left */
	{'+', "ACS_RARROW"}, /* arrow pointing right */
	{'.', "ACS_DARROW"}, /* arrow pointing down */
	{'-', "ACS_UARROW"}, /* arrow pointing up */
	{'h', "ACS_BOARD"}, /* board of squares */
	{'i', "ACS_LANTERN"}, /* lantern symbol */
	{'0', "ACS_BLOCK"}, /* solid square block */
	{'p', "ACS_S3"}, /* scan line 3 */
	{'r', "ACS_S7"}, /* scan line 7 */
	{'y', "ACS_LEQUAL"}, /* less/equal */
	{'z', "ACS_GEQUAL"}, /* greater/equal */
	{'{', "ACS_PI"}, /* Pi */
	{'\|', "ACS_NEQUAL"}, /* not equal */
	{'}', "ACS_STERLING"}, /* UK pound sign */
	{'\0', (char *) 0}
	};

	const char *result = 0;

	if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
	char *cp;
	char *found = 0;
	const ALT_NAMES *sp;

	for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
	if (ChCharOf(cp[1]) == ChCharOf(ch)) {
	found = cp;
	/* don't exit from loop - there may be redefinitions */
	}
	}

	if (found != 0) {
	ch = ChCharOf(*found);
	for (sp = names; sp->val; sp++)
	if (sp->val == ch) {
	result = sp->name;
	break;
	}
	}
	}
	return result;
	}

	NCURSES_EXPORT(char *)
	_tracechtype2(int bufnum, chtype ch)
	{
	const char *found;
	char *result = _nc_trace_buf(bufnum, BUFSIZ);

	if (result != 0) {
	strcpy(result, l_brace);
	if ((found = _nc_altcharset_name(ChAttrOf(ch), ch)) != 0) {
	(void) _nc_trace_bufcat(bufnum, found);
	} else
	(void) _nc_trace_bufcat(bufnum, _nc_tracechar(SP, (int) ChCharOf(ch)));

	if (ChAttrOf(ch) != A_NORMAL) {
	(void) _nc_trace_bufcat(bufnum, " \| ");
	(void) _nc_trace_bufcat(bufnum,
	_traceattr2(bufnum + 20, ChAttrOf(ch)));
	}

	result = _nc_trace_bufcat(bufnum, r_brace);
	}
	return result;
	}

	NCURSES_EXPORT(char *)
	_tracechtype(chtype ch)
	{
	return _tracechtype2(0, ch);
	}

	/* Trace 'chtype' return-values */
	NCURSES_EXPORT(chtype)
	_nc_retrace_chtype(chtype code)
	{
	T((T_RETURN("%s"), _tracechtype(code)));
	return code;
	}

	#if USE_WIDEC_SUPPORT
	NCURSES_EXPORT(char *)
	_tracecchar_t2(int bufnum, const cchar_t *ch)
	{
	char *result = _nc_trace_buf(bufnum, BUFSIZ);
	attr_t attr;
	const char *found;

	if (result != 0) {
	strcpy(result, l_brace);
	if (ch != 0) {
	attr = AttrOfD(ch);
	if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
	(void) _nc_trace_bufcat(bufnum, found);
	attr &= ~A_ALTCHARSET;
	} else if (isWidecExt(CHDEREF(ch))) {
	(void) _nc_trace_bufcat(bufnum, "{NAC}");
	attr &= ~A_CHARTEXT;
	} else {
	PUTC_DATA;
	int n;

	PUTC_INIT;
	(void) _nc_trace_bufcat(bufnum, "{ ");
	for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
	PUTC_ch = ch->chars[PUTC_i];
	if (PUTC_ch == L'\0')
	break;
	PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
	if (PUTC_n <= 0) {
	if (PUTC_ch != L'\0') {
	/* it could not be a multibyte sequence */
	(void) _nc_trace_bufcat(bufnum,
	_nc_tracechar(SP,
	UChar(ch->chars[PUTC_i])));
	}
	break;
	}
	for (n = 0; n < PUTC_n; n++) {
	if (n)
	(void) _nc_trace_bufcat(bufnum, ", ");
	(void) _nc_trace_bufcat(bufnum,
	_nc_tracechar(SP,
	UChar(PUTC_buf[n])));
	}
	}
	(void) _nc_trace_bufcat(bufnum, " }");
	}
	if (attr != A_NORMAL) {
	(void) _nc_trace_bufcat(bufnum, " \| ");
	(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
	}
	}

	result = _nc_trace_bufcat(bufnum, r_brace);
	}
	return result;
	}

	NCURSES_EXPORT(char *)
	_tracecchar_t(const cchar_t *ch)
	{
	return _tracecchar_t2(0, ch);
	}
	#endif

	#else
	EMPTY_MODULE(_nc_lib_traceatr)
	#endif /* TRACE */