diff --git a/ncurses/trace/lib_trace.c b/ncurses/trace/lib_trace.c
index 743b1f6..cec01de 100644
--- a/ncurses/trace/lib_trace.c
+++ b/ncurses/trace/lib_trace.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2013 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            *
@@ -30,6 +30,7 @@
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Juergen Pfeifer                                                 *
  ****************************************************************************/
 
 /*
@@ -46,7 +47,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_trace.c,v 1.71 2008/08/23 18:04:29 tom Exp $")
+MODULE_ID("$Id: lib_trace.c,v 1.82 2013/07/06 19:42:09 tom Exp $")
 
 NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
 
@@ -56,26 +57,26 @@
 NCURSES_EXPORT(const char *)
 NCURSES_PUBLIC_VAR(_nc_tputs_trace) (void)
 {
-    return SP ? SP->_tputs_trace : _nc_prescreen._tputs_trace;
+    return CURRENT_SCREEN ? CURRENT_SCREEN->_tputs_trace : _nc_prescreen._tputs_trace;
 }
 NCURSES_EXPORT(long)
 NCURSES_PUBLIC_VAR(_nc_outchars) (void)
 {
-    return SP ? SP->_outchars : _nc_prescreen._outchars;
+    return CURRENT_SCREEN ? CURRENT_SCREEN->_outchars : _nc_prescreen._outchars;
 }
 NCURSES_EXPORT(void)
 _nc_set_tputs_trace(const char *s)
 {
-    if (SP)
-	SP->_tputs_trace = s;
+    if (CURRENT_SCREEN)
+	CURRENT_SCREEN->_tputs_trace = s;
     else
 	_nc_prescreen._tputs_trace = s;
 }
 NCURSES_EXPORT(void)
 _nc_count_outchars(long increment)
 {
-    if (SP)
-	SP->_outchars += increment;
+    if (CURRENT_SCREEN)
+	CURRENT_SCREEN->_outchars += increment;
     else
 	_nc_prescreen._outchars += increment;
 }
@@ -95,16 +96,16 @@
 	const char *mode = _nc_globals.init_trace ? "ab" : "wb";
 
 	if (TracePath[0] == '\0') {
-	    int size = sizeof(TracePath) - 12;
+	    size_t size = sizeof(TracePath) - 12;
 	    if (getcwd(TracePath, size) == 0) {
 		perror("curses: Can't get working directory");
 		exit(EXIT_FAILURE);
 	    }
 	    TracePath[size] = '\0';
 	    assert(strlen(TracePath) <= size);
-	    strcat(TracePath, "/trace");
+	    _nc_STRCAT(TracePath, "/trace", sizeof(TracePath));
 	    if (_nc_is_dir_path(TracePath)) {
-		strcat(TracePath, ".log");
+		_nc_STRCAT(TracePath, ".log", sizeof(TracePath));
 	    }
 	}
 
@@ -120,8 +121,8 @@
 	 * end of each line.  This is useful in case the program dies. 
 	 */
 #if HAVE_SETVBUF		/* ANSI */
-	(void) setvbuf(TraceFP, (char *) 0, _IOLBF, 0);
-#elif HAVE_SETBUF		/* POSIX */
+	(void) setvbuf(TraceFP, (char *) 0, _IOLBF, (size_t) 0);
+#elif HAVE_SETBUF /* POSIX */
 	(void) setbuffer(TraceFP, (char *) 0);
 #endif
 	_tracef("TRACING NCURSES version %s.%d (tracelevel=%#x)",
@@ -183,7 +184,11 @@
 # if USE_WEAK_SYMBOLS
 	if ((pthread_self))
 # endif
-	    fprintf(TraceFP, "%#lx:", (long) (void *) pthread_self());
+#ifdef __MINGW32__
+	    fprintf(TraceFP, "%#lx:", (long) (intptr_t) pthread_self().p);
+#else
+	    fprintf(TraceFP, "%#lx:", (long) (intptr_t) pthread_self());
+#endif
 #endif
 	if (before || after) {
 	    int n;
@@ -213,12 +218,20 @@
 
 /* Trace 'bool' return-values */
 NCURSES_EXPORT(NCURSES_BOOL)
-_nc_retrace_bool(NCURSES_BOOL code)
+_nc_retrace_bool(int code)
 {
     T((T_RETURN("%s"), code ? "TRUE" : "FALSE"));
     return code;
 }
 
+/* Trace 'char' return-values */
+NCURSES_EXPORT(char)
+_nc_retrace_char(int code)
+{
+    T((T_RETURN("%c"), code));
+    return (char) code;
+}
+
 /* Trace 'int' return-values */
 NCURSES_EXPORT(int)
 _nc_retrace_int(int code)
@@ -271,7 +284,7 @@
 NCURSES_EXPORT(SCREEN *)
 _nc_retrace_sp(SCREEN *code)
 {
-    T((T_RETURN("%p"), code));
+    T((T_RETURN("%p"), (void *) code));
     return code;
 }
 
@@ -279,7 +292,7 @@
 NCURSES_EXPORT(WINDOW *)
 _nc_retrace_win(WINDOW *code)
 {
-    T((T_RETURN("%p"), code));
+    T((T_RETURN("%p"), (void *) code));
     return code;
 }
 
@@ -326,8 +339,9 @@
     _nc_va_tracef(fmt, ap);
     va_end(ap);
 
-    if (--(_nc_globals.nested_tracef) == 0)
+    if (--(_nc_globals.nested_tracef) == 0) {
 	_nc_unlock_global(tracef);
+    }
 }
 #endif /* USE_REENTRANT */
 
diff --git a/ncurses/trace/lib_traceatr.c b/ncurses/trace/lib_traceatr.c
index 45a03ce..24772d8 100644
--- a/ncurses/trace/lib_traceatr.c
+++ b/ncurses/trace/lib_traceatr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2014 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            *
@@ -30,6 +30,7 @@
  *  Author: Thomas Dickey                           1996-on                 *
  *     and: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Juergen Pfeifer                                                 *
  ****************************************************************************/
 
 /*
@@ -37,12 +38,18 @@
  */
 
 #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 $")
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+MODULE_ID("$Id: lib_traceatr.c,v 1.83 2015/04/04 13:41:37 tom Exp $")
 
 #define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))
 
+#define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
+#define COLOR_BUF_SIZE(num) (sizeof(my_buffer[num]))
+
 #ifdef TRACE
 
 static const char l_brace[] = StringOf(L_BRACE);
@@ -61,9 +68,12 @@
 	my_cached = c;
 	my_select = !my_select;
 	if (c == COLOR_DEFAULT)
-	    strcpy(my_buffer[my_select], "default");
+	    _nc_STRCPY(my_buffer[my_select], "default",
+		       COLOR_BUF_SIZE(my_select));
 	else
-	    sprintf(my_buffer[my_select], "color%d", c);
+	    _nc_SPRINTF(my_buffer[my_select],
+			_nc_SLIMIT(COLOR_BUF_SIZE(my_select))
+			"color%d", c);
     }
     return my_buffer[my_select];
 }
@@ -75,78 +85,79 @@
 NCURSES_EXPORT(char *)
 _traceattr2(int bufnum, chtype newmode)
 {
+#define DATA(name) { name, { #name } }
     static const struct {
 	unsigned int val;
-	const char *name;
+	const char name[14];
     } 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* */
-
+	DATA(A_STANDOUT),
+	    DATA(A_UNDERLINE),
+	    DATA(A_REVERSE),
+	    DATA(A_BLINK),
+	    DATA(A_DIM),
+	    DATA(A_BOLD),
+	    DATA(A_ALTCHARSET),
+	    DATA(A_INVIS),
+	    DATA(A_PROTECT),
+	    DATA(A_CHARTEXT),
+	    DATA(A_NORMAL),
+	    DATA(A_COLOR),
+#if USE_ITALIC
+	    DATA(A_ITALIC),
+#endif
     }
 #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* */
-
+	DATA(COLOR_BLACK),
+	    DATA(COLOR_RED),
+	    DATA(COLOR_GREEN),
+	    DATA(COLOR_YELLOW),
+	    DATA(COLOR_BLUE),
+	    DATA(COLOR_MAGENTA),
+	    DATA(COLOR_CYAN),
+	    DATA(COLOR_WHITE),
     }
 #endif /* !USE_TERMLIB */
     ;
+#undef DATA
     size_t n;
     char temp[80];
-    char *result = _nc_trace_buf(bufnum, BUFSIZ);
+    char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
 
     if (result != 0) {
 	unsigned save_nc_tracing = _nc_tracing;
 
 	_nc_tracing = 0;
 
-	strcpy(result, l_brace);
+	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
 
 	for (n = 0; n < SIZEOF(names); n++) {
 	    if ((newmode & names[n].val) != 0) {
 		if (result[1] != '\0')
-		    result = _nc_trace_bufcat(bufnum, "|");
+		    (void) _nc_trace_bufcat(bufnum, "|");
 		result = _nc_trace_bufcat(bufnum, names[n].name);
 
 		if (names[n].val == A_COLOR) {
-		    short pairnum = PAIR_NUMBER(newmode);
+		    short pairnum = (short) PairNumber(newmode);
 #ifdef USE_TERMLIB
 		    /* pair_content lives in libncurses */
-		    (void) sprintf(temp, "{%d}", pairnum);
+		    _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+				"{%d}", pairnum);
 #else
-		    short fg, bg;
+		    NCURSES_COLOR_T fg, bg;
 
 		    if (pair_content(pairnum, &fg, &bg) == OK) {
-			(void) sprintf(temp,
-				       "{%d = {%s, %s}}",
-				       pairnum,
-				       COLOR_OF(fg),
-				       COLOR_OF(bg));
+			_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+				    "{%d = {%s, %s}}",
+				    pairnum,
+				    COLOR_OF(fg),
+				    COLOR_OF(bg));
 		    } else {
-			(void) sprintf(temp, "{%d}", pairnum);
+			_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+				    "{%d}", pairnum);
 		    }
 #endif
 		    result = _nc_trace_bufcat(bufnum, temp);
@@ -172,6 +183,14 @@
 }
 
 /* Trace 'int' return-values */
+NCURSES_EXPORT(int)
+_nc_retrace_int_attr_t(attr_t code)
+{
+    T((T_RETURN("%s"), _traceattr(code)));
+    return (int) code;
+}
+
+/* Trace 'attr_t' return-values */
 NCURSES_EXPORT(attr_t)
 _nc_retrace_attr_t(attr_t code)
 {
@@ -182,68 +201,76 @@
 const char *
 _nc_altcharset_name(attr_t attr, chtype ch)
 {
+#define DATA(code, name) { code, { #name } }
     typedef struct {
 	unsigned int val;
-	const char *name;
+	const char name[13];
     } ALT_NAMES;
+#if NCURSES_SP_FUNCS
+    SCREEN *sp = CURRENT_SCREEN;
+#endif
     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}
+	DATA('l', ACS_ULCORNER),	/* upper left corner */
+	DATA('m', ACS_LLCORNER),	/* lower left corner */
+	DATA('k', ACS_URCORNER),	/* upper right corner */
+	DATA('j', ACS_LRCORNER),	/* lower right corner */
+	DATA('t', ACS_LTEE),	/* tee pointing right */
+	DATA('u', ACS_RTEE),	/* tee pointing left */
+	DATA('v', ACS_BTEE),	/* tee pointing up */
+	DATA('w', ACS_TTEE),	/* tee pointing down */
+	DATA('q', ACS_HLINE),	/* horizontal line */
+	DATA('x', ACS_VLINE),	/* vertical line */
+	DATA('n', ACS_PLUS),	/* large plus or crossover */
+	DATA('o', ACS_S1),	/* scan line 1 */
+	DATA('s', ACS_S9),	/* scan line 9 */
+	DATA('`', ACS_DIAMOND),	/* diamond */
+	DATA('a', ACS_CKBOARD),	/* checker board (stipple) */
+	DATA('f', ACS_DEGREE),	/* degree symbol */
+	DATA('g', ACS_PLMINUS),	/* plus/minus */
+	DATA('~', ACS_BULLET),	/* bullet */
+	DATA(',', ACS_LARROW),	/* arrow pointing left */
+	DATA('+', ACS_RARROW),	/* arrow pointing right */
+	DATA('.', ACS_DARROW),	/* arrow pointing down */
+	DATA('-', ACS_UARROW),	/* arrow pointing up */
+	DATA('h', ACS_BOARD),	/* board of squares */
+	DATA('i', ACS_LANTERN),	/* lantern symbol */
+	DATA('0', ACS_BLOCK),	/* solid square block */
+	DATA('p', ACS_S3),	/* scan line 3 */
+	DATA('r', ACS_S7),	/* scan line 7 */
+	DATA('y', ACS_LEQUAL),	/* less/equal */
+	DATA('z', ACS_GEQUAL),	/* greater/equal */
+	DATA('{', ACS_PI),	/* Pi */
+	DATA('|', ACS_NEQUAL),	/* not equal */
+	DATA('}', ACS_STERLING),	/* UK pound sign */
     };
+#undef DATA
 
     const char *result = 0;
 
-    if ((attr & A_ALTCHARSET) && (acs_chars != 0)) {
+#if NCURSES_SP_FUNCS
+    (void) sp;
+#endif
+    if (SP_PARM != 0 && (attr & A_ALTCHARSET) && (acs_chars != 0)) {
 	char *cp;
 	char *found = 0;
-	const ALT_NAMES *sp;
+	size_t n;
 
 	for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
-	    if (ChCharOf(cp[1]) == ChCharOf(ch)) {
+	    if (ChCharOf(UChar(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;
+	    ch = ChCharOf(UChar(*found));
+	    for (n = 0; n < SIZEOF(names); ++n) {
+		if (names[n].val == ch) {
+		    result = names[n].name;
 		    break;
 		}
+	    }
 	}
     }
     return result;
@@ -253,14 +280,16 @@
 _tracechtype2(int bufnum, chtype ch)
 {
     const char *found;
-    char *result = _nc_trace_buf(bufnum, BUFSIZ);
+    char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
 
     if (result != 0) {
-	strcpy(result, l_brace);
+	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
 	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)));
+	    (void) _nc_trace_bufcat(bufnum,
+				    _nc_tracechar(CURRENT_SCREEN,
+						  (int) ChCharOf(ch)));
 
 	if (ChAttrOf(ch) != A_NORMAL) {
 	    (void) _nc_trace_bufcat(bufnum, " | ");
@@ -291,12 +320,12 @@
 NCURSES_EXPORT(char *)
 _tracecchar_t2(int bufnum, const cchar_t *ch)
 {
-    char *result = _nc_trace_buf(bufnum, BUFSIZ);
+    char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
     attr_t attr;
     const char *found;
 
     if (result != 0) {
-	strcpy(result, l_brace);
+	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
 	if (ch != 0) {
 	    attr = AttrOfD(ch);
 	    if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
@@ -313,14 +342,17 @@
 		(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')
+		    if (PUTC_ch == L'\0') {
+			if (PUTC_i == 0)
+			    (void) _nc_trace_bufcat(bufnum, "\\000");
 			break;
-		    PUTC_n = wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
+		    }
+		    PUTC_n = (int) 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,
+						    _nc_tracechar(CURRENT_SCREEN,
 								  UChar(ch->chars[PUTC_i])));
 			}
 			break;
@@ -329,7 +361,7 @@
 			if (n)
 			    (void) _nc_trace_bufcat(bufnum, ", ");
 			(void) _nc_trace_bufcat(bufnum,
-						_nc_tracechar(SP,
+						_nc_tracechar(CURRENT_SCREEN,
 							      UChar(PUTC_buf[n])));
 		    }
 		}
diff --git a/ncurses/trace/lib_tracebits.c b/ncurses/trace/lib_tracebits.c
index cc441b3..f880b67 100644
--- a/ncurses/trace/lib_tracebits.c
+++ b/ncurses/trace/lib_tracebits.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2015 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            *
@@ -33,13 +33,8 @@
  ****************************************************************************/
 
 #include <curses.priv.h>
-#include <term.h>		/* cur_term */
 
-MODULE_ID("$Id: lib_tracebits.c,v 1.17 2008/08/03 16:09:26 tom Exp $")
-
-#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
-#endif
+MODULE_ID("$Id: lib_tracebits.c,v 1.26 2015/04/19 14:58:39 tom Exp $")
 
 #if HAVE_SYS_TERMIO_H
 #include <sys/termio.h>		/* needed for ISC */
@@ -78,25 +73,27 @@
 
 typedef struct {
     unsigned int val;
-    const char *name;
+    const char name[8];
 } BITNAMES;
 
+#define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
+
 static void
 lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
 {
     const BITNAMES *sp;
 
-    (void) strcat(buf, label);
-    (void) strcat(buf, ": {");
-    for (sp = table; sp->name; sp++)
+    _nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
+    _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
+    for (sp = table; sp->name[0]; sp++)
 	if (sp->val != 0
 	    && (val & sp->val) == sp->val) {
-	    (void) strcat(buf, sp->name);
-	    (void) strcat(buf, ", ");
+	    _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
+	    _nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0));
 	}
     if (buf[strlen(buf) - 2] == ',')
 	buf[strlen(buf) - 2] = '\0';
-    (void) strcat(buf, "} ");
+    _nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0));
 }
 
 NCURSES_EXPORT(char *)
@@ -106,56 +103,59 @@
     char *buf;
 
 #ifdef TERMIOS
+#define DATA(name)        { name, { #name } }
+#define DATA2(name,name2) { name, { #name2 } }
+#define DATAX()           { 0,    { "" } }
     static const BITNAMES iflags[] =
     {
-	{BRKINT, "BRKINT"},
-	{IGNBRK, "IGNBRK"},
-	{IGNPAR, "IGNPAR"},
-	{PARMRK, "PARMRK"},
-	{INPCK, "INPCK"},
-	{ISTRIP, "ISTRIP"},
-	{INLCR, "INLCR"},
-	{IGNCR, "IGNC"},
-	{ICRNL, "ICRNL"},
-	{IXON, "IXON"},
-	{IXOFF, "IXOFF"},
-	{0, NULL}
+	DATA(BRKINT),
+	DATA(IGNBRK),
+	DATA(IGNPAR),
+	DATA(PARMRK),
+	DATA(INPCK),
+	DATA(ISTRIP),
+	DATA(INLCR),
+	DATA(IGNCR),
+	DATA(ICRNL),
+	DATA(IXON),
+	DATA(IXOFF),
+	DATAX()
 #define ALLIN	(BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
     }, oflags[] =
     {
-	{OPOST, "OPOST"},
-	{OFLAGS_TABS, "XTABS"},
-	{ONLCR, "ONLCR"},
-	{OCRNL, "OCRNL"},
-	{ONOCR, "ONOCR"},
-	{ONLRET, "ONLRET"},
-	{0, NULL}
+	DATA(OPOST),
+	DATA2(OFLAGS_TABS, XTABS),
+	DATA(ONLCR),
+	DATA(OCRNL),
+	DATA(ONOCR),
+	DATA(ONLRET),
+	DATAX()
 #define ALLOUT	(OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET)
     }, cflags[] =
     {
-	{CLOCAL, "CLOCAL"},
-	{CREAD, "CREAD"},
-	{CSTOPB, "CSTOPB"},
+	DATA(CLOCAL),
+	DATA(CREAD),
+	DATA(CSTOPB),
 #if !defined(CS5) || !defined(CS8)
-	{CSIZE, "CSIZE"},
+	DATA(CSIZE),
 #endif
-	{HUPCL, "HUPCL"},
-	{PARENB, "PARENB"},
-	{PARODD | PARENB, "PARODD"},	/* concession to readability */
-	{0, NULL}
+	DATA(HUPCL),
+	DATA(PARENB),
+	DATA2(PARODD | PARENB, PARODD),
+	DATAX()
 #define ALLCTRL	(CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
     }, lflags[] =
     {
-	{ECHO, "ECHO"},
-	{ECHOE | ECHO, "ECHOE"},	/* concession to readability */
-	{ECHOK | ECHO, "ECHOK"},	/* concession to readability */
-	{ECHONL, "ECHONL"},
-	{ICANON, "ICANON"},
-	{ISIG, "ISIG"},
-	{NOFLSH, "NOFLSH"},
-	{TOSTOP, "TOSTOP"},
-	{IEXTEN, "IEXTEN"},
-	{0, NULL}
+	DATA(ECHO),
+	DATA2(ECHOE | ECHO, ECHOE),
+	DATA2(ECHOK | ECHO, ECHOK),
+	DATA(ECHONL),
+	DATA(ICANON),
+	DATA(ISIG),
+	DATA(NOFLSH),
+	DATA(TOSTOP),
+	DATA(IEXTEN),
+	DATAX()
 #define ALLLOCAL	(ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
     };
 
@@ -178,11 +178,11 @@
 
 #if defined(CS5) && defined(CS8)
 	{
-	    static struct {
+	    static const struct {
 		int value;
-		const char *name;
+		const char name[5];
 	    } csizes[] = {
-#define CS_DATA(name) { name, #name " " }
+#define CS_DATA(name) { name, { #name " " } }
 		CS_DATA(CS5),
 #ifdef CS6
 		    CS_DATA(CS6),
@@ -193,7 +193,7 @@
 		    CS_DATA(CS8),
 	    };
 	    const char *result = "CSIZE? ";
-	    int value = (tty->c_cflag & CSIZE);
+	    int value = (int) (tty->c_cflag & CSIZE);
 	    unsigned n;
 
 	    if (value != 0) {
@@ -204,7 +204,7 @@
 		    }
 		}
 	    }
-	    strcat(buf, result);
+	    _nc_STRCAT(buf, result, TRACE_BUF_SIZE(0));
 	}
 #endif
 
@@ -231,17 +231,17 @@
 
     static const BITNAMES cflags[] =
     {
-	{CBREAK, "CBREAK"},
-	{CRMOD, "CRMOD"},
-	{ECHO, "ECHO"},
-	{EVENP, "EVENP"},
-	{LCASE, "LCASE"},
-	{LLITOUT, "LLITOUT"},
-	{ODDP, "ODDP"},
-	{RAW, "RAW"},
-	{TANDEM, "TANDEM"},
-	{XTABS, "XTABS"},
-	{0, NULL}
+	DATA(CBREAK),
+	DATA(CRMOD),
+	DATA(ECHO),
+	DATA(EVENP),
+	DATA(LCASE),
+	DATA(LLITOUT),
+	DATA(ODDP),
+	DATA(RAW),
+	DATA(TANDEM),
+	DATA(XTABS),
+	DATAX()
 #define ALLCTRL	(CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
     };
 
@@ -262,5 +262,5 @@
     return _nc_trace_ttymode(&(cur_term->Nttyb));
 }
 #else
-EMPTY_MODULE(_nc_tracebits)
+EMPTY_MODULE(_nc_empty_lib_tracebits)
 #endif /* TRACE */
diff --git a/ncurses/trace/lib_tracechr.c b/ncurses/trace/lib_tracechr.c
index 79cf03b..8977f75 100644
--- a/ncurses/trace/lib_tracechr.c
+++ b/ncurses/trace/lib_tracechr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2012 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            *
@@ -39,10 +39,12 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_tracechr.c,v 1.19 2008/08/03 15:39:29 tom Exp $")
+MODULE_ID("$Id: lib_tracechr.c,v 1.22 2012/02/22 22:40:24 tom Exp $")
 
 #ifdef TRACE
 
+#define MyBufSize sizeof(_nc_globals.tracechr_buf)
+
 NCURSES_EXPORT(char *)
 _nc_tracechar(SCREEN *sp, int ch)
 {
@@ -52,22 +54,25 @@
 		      : _nc_globals.tracechr_buf);
 
     if (ch > KEY_MIN || ch < 0) {
-	name = _nc_keyname(sp, ch);
+	name = safe_keyname(SP_PARM, ch);
 	if (name == 0 || *name == '\0')
 	    name = "NULL";
-	(void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "'%.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) sprintf(MyBuffer, "%#03o", ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "%#03o", ch);
     } else {
-	name = _nc_unctrl(sp, (chtype) ch);
+	name = safe_unctrl(SP_PARM, (chtype) ch);
 	if (name == 0 || *name == 0)
 	    name = "null";	/* shouldn't happen */
-	(void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+	_nc_SPRINTF(MyBuffer, _nc_SLIMIT(MyBufSize)
+		    "'%.30s' = %#03o", name, ch);
     }
     return (MyBuffer);
 }
@@ -75,7 +80,7 @@
 NCURSES_EXPORT(char *)
 _tracechar(int ch)
 {
-    return _nc_tracechar(SP, ch);
+    return _nc_tracechar(CURRENT_SCREEN, ch);
 }
 #else
 EMPTY_MODULE(_nc_lib_tracechr)
diff --git a/ncurses/trace/lib_tracedmp.c b/ncurses/trace/lib_tracedmp.c
index 58732a0..0fda15b 100644
--- a/ncurses/trace/lib_tracedmp.c
+++ b/ncurses/trace/lib_tracedmp.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2012 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            *
@@ -39,7 +39,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_tracedmp.c,v 1.31 2008/08/16 19:30:56 tom Exp $")
+MODULE_ID("$Id: lib_tracedmp.c,v 1.34 2012/10/27 20:54:42 tom Exp $")
 
 #ifdef TRACE
 
@@ -68,8 +68,10 @@
     if (width < win->_maxx)
 	++width;
     if (++width + 1 > (int) my_length) {
-	my_length = 2 * (width + 1);
+	my_length = (unsigned) (2 * (width + 1));
 	my_buffer = typeRealloc(char, my_length, my_buffer);
+	if (my_buffer == 0)
+	    return;
     }
 
     for (n = 0; n <= win->_maxy; ++n) {
@@ -82,7 +84,7 @@
 	 * we map those to '.' and '?' respectively.
 	 */
 	for (j = 0; j < width; ++j) {
-	    chtype test = CharOf(win->_line[n].text[j]);
+	    chtype test = (chtype) CharOf(win->_line[n].text[j]);
 	    ep[j] = (char) ((UChar(test) == test
 #if USE_WIDEC_SUPPORT
 			     && (win->_line[n].text[j].chars[1] == 0)
@@ -153,7 +155,7 @@
 
 	for (i = 0; i < 4; ++i) {
 	    const char *hex = " 123456789ABCDEF";
-	    attr_t mask = (0xf << ((i + 4) * 4));
+	    attr_t mask = (attr_t) (0xf << ((i + 4) * 4));
 
 	    haveattrs = FALSE;
 	    for (j = 0; j < width; ++j)
diff --git a/ncurses/trace/lib_tracemse.c b/ncurses/trace/lib_tracemse.c
index 74cc177..c62b71a 100644
--- a/ncurses/trace/lib_tracemse.c
+++ b/ncurses/trace/lib_tracemse.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2014 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            *
@@ -38,23 +38,22 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_tracemse.c,v 1.15 2008/08/03 15:39:29 tom Exp $")
+MODULE_ID("$Id: lib_tracemse.c,v 1.22 2014/10/10 09:06:26 tom Exp $")
 
 #ifdef TRACE
 
 #define my_buffer sp->tracemse_buf
 
 NCURSES_EXPORT(char *)
-_nc_tracemouse(SCREEN *sp, MEVENT const *ep)
+_nc_trace_mmask_t(SCREEN *sp, mmask_t code)
 {
-    (void) sprintf(my_buffer, TRACEMSE_FMT,
-		   ep->id,
-		   ep->x,
-		   ep->y,
-		   ep->z,
-		   (unsigned long) ep->bstate);
-
-#define SHOW(m, s) if ((ep->bstate & m) == m) strcat(strcat(my_buffer, s), ", ")
+#define SHOW(m, s) \
+    if ((code & m) == m) { \
+	size_t n = strlen(my_buffer); \
+	if (n && (my_buffer[n-1] != '{')) \
+	_nc_STRCAT(my_buffer, ", ", sizeof(my_buffer)); \
+	_nc_STRCAT(my_buffer, s, sizeof(my_buffer)); \
+    }
 
     SHOW(BUTTON1_RELEASED, "release-1");
     SHOW(BUTTON1_PRESSED, "press-1");
@@ -110,14 +109,47 @@
 
     if (my_buffer[strlen(my_buffer) - 1] == ' ')
 	my_buffer[strlen(my_buffer) - 2] = '\0';
-    (void) strcat(my_buffer, "}");
+
     return (my_buffer);
 }
 
 NCURSES_EXPORT(char *)
+_nc_tracemouse(SCREEN *sp, MEVENT const *ep)
+{
+    char *result = 0;
+
+    if (sp != 0) {
+	_nc_SPRINTF(my_buffer, _nc_SLIMIT(sizeof(my_buffer))
+		    TRACEMSE_FMT,
+		    ep->id,
+		    ep->x,
+		    ep->y,
+		    ep->z,
+		    (unsigned long) ep->bstate);
+
+	(void) _nc_trace_mmask_t(sp, ep->bstate);
+	_nc_STRCAT(my_buffer, "}", sizeof(my_buffer));
+	result = (my_buffer);
+    }
+    return result;
+}
+
+NCURSES_EXPORT(mmask_t)
+_nc_retrace_mmask_t(SCREEN *sp, mmask_t code)
+{
+    if (sp != 0) {
+	*my_buffer = '\0';
+	T((T_RETURN("{%s}"), _nc_trace_mmask_t(sp, code)));
+    } else {
+	T((T_RETURN("{?}")));
+    }
+    return code;
+}
+
+NCURSES_EXPORT(char *)
 _tracemouse(MEVENT const *ep)
 {
-    return _nc_tracemouse(SP, ep);
+    return _nc_tracemouse(CURRENT_SCREEN, ep);
 }
 
 #else /* !TRACE */
diff --git a/ncurses/trace/trace_buf.c b/ncurses/trace/trace_buf.c
index 6345acc..84a7a0c 100644
--- a/ncurses/trace/trace_buf.c
+++ b/ncurses/trace/trace_buf.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2012 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            *
@@ -35,7 +35,9 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: trace_buf.c,v 1.14 2008/08/03 15:13:56 tom Exp $")
+MODULE_ID("$Id: trace_buf.c,v 1.20 2012/02/22 22:34:31 tom Exp $")
+
+#ifdef TRACE
 
 #define MyList _nc_globals.tracebuf_ptr
 #define MySize _nc_globals.tracebuf_used
@@ -47,7 +49,7 @@
 
     if (bufnum >= 0) {
 	if ((size_t) (bufnum + 1) > MySize) {
-	    size_t need = (bufnum + 1) * 2;
+	    size_t need = (size_t) (bufnum + 1) * 2;
 	    if ((MyList = typeRealloc(TRACEBUF, need, MyList)) != 0) {
 		while (need > MySize)
 		    MyList[MySize++].text = 0;
@@ -101,14 +103,18 @@
 NCURSES_EXPORT(char *)
 _nc_trace_bufcat(int bufnum, const char *value)
 {
-    char *buffer = _nc_trace_alloc(bufnum, 0);
+    char *buffer = _nc_trace_alloc(bufnum, (size_t) 0);
     if (buffer != 0) {
 	size_t have = strlen(buffer);
+	size_t need = strlen(value) + have;
 
-	buffer = _nc_trace_alloc(bufnum, 1 + have + strlen(value));
+	buffer = _nc_trace_alloc(bufnum, 1 + need);
 	if (buffer != 0)
-	    (void) strcpy(buffer + have, value);
+	    _nc_STRCPY(buffer + have, value, need);
 
     }
     return buffer;
 }
+#else
+EMPTY_MODULE(_nc_empty_trace_buf)
+#endif /* TRACE */
diff --git a/ncurses/trace/trace_tries.c b/ncurses/trace/trace_tries.c
index f813aba..50ba016 100644
--- a/ncurses/trace/trace_tries.c
+++ b/ncurses/trace/trace_tries.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2011,2012 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            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey <dickey@clark.net> 1999                        *
+ *  Author: Thomas E. Dickey 1999                                           *
  ****************************************************************************/
 /*
  *	trace_tries.c - Tracing/Debugging buffers (keycode tries-trees)
@@ -35,7 +35,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: trace_tries.c,v 1.13 2008/08/03 15:43:30 tom Exp $")
+MODULE_ID("$Id: trace_tries.c,v 1.17 2012/10/27 20:50:50 tom Exp $")
 
 #ifdef TRACE
 #define my_buffer _nc_globals.tracetry_buf
@@ -46,33 +46,36 @@
 {
     if (level > my_length) {
 	my_length = (level + 1) * 4;
-	my_buffer = (unsigned char *) realloc(my_buffer, my_length);
+	my_buffer = (unsigned char *) _nc_doalloc(my_buffer, my_length);
     }
 
-    while (tree != 0) {
-	if ((my_buffer[level] = tree->ch) == 0)
-	    my_buffer[level] = 128;
-	my_buffer[level + 1] = 0;
-	if (tree->value != 0) {
-	    _tracef("%5d: %s (%s)", tree->value,
-		    _nc_visbuf((char *) my_buffer), keyname(tree->value));
+    if (my_buffer != 0) {
+	while (tree != 0) {
+	    if ((my_buffer[level] = tree->ch) == 0)
+		my_buffer[level] = 128;
+	    my_buffer[level + 1] = 0;
+	    if (tree->value != 0) {
+		_tracef("%5d: %s (%s)", tree->value,
+			_nc_visbuf((char *) my_buffer), keyname(tree->value));
+	    }
+	    if (tree->child)
+		recur_tries(tree->child, level + 1);
+	    tree = tree->sibling;
 	}
-	if (tree->child)
-	    recur_tries(tree->child, level + 1);
-	tree = tree->sibling;
     }
 }
 
 NCURSES_EXPORT(void)
 _nc_trace_tries(TRIES * tree)
 {
-    my_buffer = typeMalloc(unsigned char, my_length = 80);
-    _tracef("BEGIN tries %p", tree);
-    recur_tries(tree, 0);
-    _tracef(". . . tries %p", tree);
-    free(my_buffer);
+    if ((my_buffer = typeMalloc(unsigned char, my_length = 80)) != 0) {
+	_tracef("BEGIN tries %p", (void *) tree);
+	recur_tries(tree, 0);
+	_tracef(". . . tries %p", (void *) tree);
+	free(my_buffer);
+    }
 }
 
 #else
-EMPTY_MODULE(_nc_trace_tries)
+EMPTY_MODULE(_nc_empty_trace_tries)
 #endif
diff --git a/ncurses/trace/trace_xnames.c b/ncurses/trace/trace_xnames.c
index 9b0b592..38a4873 100644
--- a/ncurses/trace/trace_xnames.c
+++ b/ncurses/trace/trace_xnames.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999,2000 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1999-2000,2010 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            *
@@ -34,12 +34,11 @@
  */
 
 #include <curses.priv.h>
-#include <term_entry.h>
 
-MODULE_ID("$Id: trace_xnames.c,v 1.5 2000/12/10 03:02:45 tom Exp $")
+MODULE_ID("$Id: trace_xnames.c,v 1.6 2010/01/23 17:59:27 tom Exp $")
 
 NCURSES_EXPORT(void)
-_nc_trace_xnames(TERMTYPE * tp GCC_UNUSED)
+_nc_trace_xnames(TERMTYPE *tp GCC_UNUSED)
 {
 #ifdef TRACE
 #if NCURSES_XNAMES
diff --git a/ncurses/trace/varargs.c b/ncurses/trace/varargs.c
index f4ee467..66252d8 100644
--- a/ncurses/trace/varargs.c
+++ b/ncurses/trace/varargs.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2008,2012 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            *
@@ -34,7 +34,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: varargs.c,v 1.7 2008/08/03 15:42:49 tom Exp $")
+MODULE_ID("$Id: varargs.c,v 1.11 2012/10/27 21:03:28 tom Exp $")
 
 #ifdef TRACE
 
@@ -44,7 +44,7 @@
     atUnknown = 0, atInteger, atFloat, atPoint, atString
 } ARGTYPE;
 
-#define VA_INT(type) ival = va_arg(ap, type)
+#define VA_INT(type) ival = (int) va_arg(ap, type)
 #define VA_FLT(type) fval = va_arg(ap, type)
 #define VA_PTR(type) pval = (char *)va_arg(ap, type)
 #define VA_STR(type) sval = va_arg(ap, type)
@@ -149,25 +149,32 @@
 			param = buffer;
 			switch (used) {
 			case atInteger:
-			    sprintf(buffer, "%d", ival);
+			    _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer))
+					"%d", ival);
 			    break;
 			case atFloat:
-			    sprintf(buffer, "%f", fval);
+			    _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer))
+					"%f", fval);
 			    break;
 			case atPoint:
-			    sprintf(buffer, "%p", pval);
+			    _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer))
+					"%p", pval);
 			    break;
 			case atString:
 			    param = _nc_visbuf2(1, sval);
 			    break;
 			case atUnknown:
 			default:
-			    strcpy(buffer, "?");
+			    _nc_STRCPY(buffer, "?", sizeof(buffer));
 			    break;
 			}
 			MyLength += strlen(param) + 2;
 			MyBuffer = typeRealloc(char, MyLength, MyBuffer);
-			sprintf(MyBuffer + strlen(MyBuffer), ", %s", param);
+			if (MyBuffer != 0) {
+			    _nc_SPRINTF(MyBuffer + strlen(MyBuffer),
+					_nc_SLIMIT(MyLength - strlen(MyBuffer))
+					", %s", param);
+			}
 		    }
 		}
 		used = atUnknown;
@@ -177,7 +184,7 @@
 	}
     }
 
-    return (MyBuffer);
+    return (MyBuffer ? MyBuffer : dummy);
 }
 #else
 EMPTY_MODULE(_nc_varargs)
diff --git a/ncurses/trace/visbuf.c b/ncurses/trace/visbuf.c
index bf9fb14..fec0643 100644
--- a/ncurses/trace/visbuf.c
+++ b/ncurses/trace/visbuf.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2012,2014 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            *
@@ -42,10 +42,12 @@
 #include <tic.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: visbuf.c,v 1.32 2008/08/04 23:07:39 tom Exp $")
+MODULE_ID("$Id: visbuf.c,v 1.44 2014/09/25 08:51:13 tom Exp $")
+
+#define NUM_VISBUFS 4
 
 #define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
-#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * MB_CUR_MAX)
+#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * (size_t) MB_CUR_MAX)
 
 #ifdef TRACE
 static const char d_quote[] = StringOf(D_QUOTE);
@@ -53,13 +55,21 @@
 static const char r_brace[] = StringOf(R_BRACE);
 #endif
 
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr, limit)
+#define LIMIT_ARG ,size_t limit
+#else
+#define VisChar(tp, chr, limit) _nc_vischar(tp, chr)
+#define LIMIT_ARG		/* nothing */
+#endif
+
 static char *
-_nc_vischar(char *tp, unsigned c)
+_nc_vischar(char *tp, unsigned c LIMIT_ARG)
 {
     if (c == '"' || c == '\\') {
 	*tp++ = '\\';
 	*tp++ = (char) c;
-    } else if (is7bits(c) && (isgraph(c) || c == ' ')) {
+    } else if (is7bits((int) c) && (isgraph((int) c) || c == ' ')) {
 	*tp++ = (char) c;
     } else if (c == '\n') {
 	*tp++ = '\\';
@@ -82,7 +92,8 @@
 	*tp++ = '^';
 	*tp++ = (char) ('@' + c);
     } else {
-	sprintf(tp, "\\%03lo", (unsigned long) ChCharOf(c));
+	_nc_SPRINTF(tp, _nc_SLIMIT(limit)
+		    "\\%03lo", (unsigned long) ChCharOf(c));
 	tp += strlen(tp);
     }
     *tp = 0;
@@ -92,9 +103,10 @@
 static const char *
 _nc_visbuf2n(int bufnum, const char *buf, int len)
 {
-    const char *vbuf;
+    const char *vbuf = 0;
     char *tp;
     int c;
+    int count;
 
     if (buf == 0)
 	return ("(null)");
@@ -104,22 +116,30 @@
     if (len < 0)
 	len = (int) strlen(buf);
 
+    count = len;
 #ifdef TRACE
     vbuf = tp = _nc_trace_buf(bufnum, NormalLen(len));
 #else
     {
-	static char *mybuf[4];
-	mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
-	vbuf = tp = mybuf[bufnum];
+	static char *mybuf[NUM_VISBUFS];
+	if (bufnum < 0) {
+	    for (c = 0; c < NUM_VISBUFS; ++c) {
+		FreeAndNull(mybuf[c]);
+	    }
+	    tp = 0;
+	} else {
+	    mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
+	    vbuf = tp = mybuf[bufnum];
+	}
     }
 #endif
     if (tp != 0) {
 	*tp++ = D_QUOTE;
-	while ((--len >= 0) && (c = *buf++) != '\0') {
-	    tp = _nc_vischar(tp, UChar(c));
+	while ((--count >= 0) && (c = *buf++) != '\0') {
+	    tp = VisChar(tp, UChar(c), NormalLen(len));
 	}
 	*tp++ = D_QUOTE;
-	*tp++ = '\0';
+	*tp = '\0';
     } else {
 	vbuf = ("(_nc_visbuf2n failed)");
     }
@@ -166,6 +186,7 @@
     const char *vbuf;
     char *tp;
     wchar_t c;
+    int count;
 
     if (buf == 0)
 	return ("(null)");
@@ -173,30 +194,32 @@
     if (len < 0)
 	len = (int) wcslen(buf);
 
+    count = len;
 #ifdef TRACE
     vbuf = tp = _nc_trace_buf(bufnum, WideLen(len));
 #else
     {
-	static char *mybuf[2];
+	static char *mybuf[NUM_VISBUFS];
 	mybuf[bufnum] = typeRealloc(char, WideLen(len), mybuf[bufnum]);
 	vbuf = tp = mybuf[bufnum];
     }
 #endif
     if (tp != 0) {
 	*tp++ = D_QUOTE;
-	while ((--len >= 0) && (c = *buf++) != '\0') {
+	while ((--count >= 0) && (c = *buf++) != '\0') {
 	    char temp[CCHARW_MAX + 80];
 	    int j = wctomb(temp, c), k;
 	    if (j <= 0) {
-		sprintf(temp, "\\u%08X", (unsigned) c);
+		_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+			    "\\u%08X", (unsigned) c);
 		j = (int) strlen(temp);
 	    }
 	    for (k = 0; k < j; ++k) {
-		tp = _nc_vischar(tp, UChar(temp[k]));
+		tp = VisChar(tp, UChar(temp[k]), WideLen(len));
 	    }
 	}
 	*tp++ = D_QUOTE;
-	*tp++ = '\0';
+	*tp = '\0';
     } else {
 	vbuf = ("(_nc_viswbuf2n failed)");
     }
@@ -229,7 +252,9 @@
     static unsigned mylen;
     unsigned n;
 
-    for (n = 0; buf[n] != 0; ++n) ;
+    for (n = 0; buf[n] != 0; ++n) {
+	;			/* empty */
+    }
     if (mylen < ++n) {
 	mylen = n + 80;
 	if (mybuf != 0)
@@ -237,8 +262,12 @@
 	else
 	    mybuf = typeMalloc(wchar_t, mylen);
     }
-    for (n = 0; buf[n] != 0; ++n)
-	mybuf[n] = (wchar_t) buf[n];
+    if (mybuf != 0) {
+	for (n = 0; buf[n] != 0; ++n) {
+	    mybuf[n] = (wchar_t) buf[n];
+	}
+	mybuf[n] = L'\0';
+    }
 
     return _nc_viswbuf2(0, mybuf);
 }
@@ -248,7 +277,7 @@
 NCURSES_EXPORT(const char *)
 _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 {
-    char *result = _nc_trace_buf(bufnum, BUFSIZ);
+    char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
     int first;
     const char *found;
 
@@ -274,12 +303,12 @@
 		}
 	    }
 
-	    result = _nc_trace_bufcat(bufnum, l_brace);
-	    result = _nc_trace_bufcat(bufnum, d_quote);
+	    (void) _nc_trace_bufcat(bufnum, l_brace);
+	    (void) _nc_trace_bufcat(bufnum, d_quote);
 	    for (j = first; j <= last; ++j) {
 		found = _nc_altcharset_name(attr, (chtype) CharOf(buf[j]));
 		if (found != 0) {
-		    result = _nc_trace_bufcat(bufnum, found);
+		    (void) _nc_trace_bufcat(bufnum, found);
 		    attr &= ~A_ALTCHARSET;
 		} else
 #if USE_WIDEC_SUPPORT
@@ -291,30 +320,34 @@
 			int k;
 
 			PUTC_ch = buf[j].chars[PUTC_i];
-			if (PUTC_ch == L'\0')
+			if (PUTC_ch == L'\0') {
+			    if (PUTC_i == 0)
+				(void) _nc_trace_bufcat(bufnum, "\\000");
 			    break;
-			PUTC_n = (int) wcrtomb(PUTC_buf, buf[j].chars[PUTC_i], &PUT_st);
+			}
+			PUTC_n = (int) wcrtomb(PUTC_buf,
+					       buf[j].chars[PUTC_i], &PUT_st);
 			if (PUTC_n <= 0)
 			    break;
 			for (k = 0; k < PUTC_n; k++) {
 			    char temp[80];
-			    _nc_vischar(temp, UChar(PUTC_buf[k]));
-			    result = _nc_trace_bufcat(bufnum, temp);
+			    VisChar(temp, UChar(PUTC_buf[k]), sizeof(temp));
+			    (void) _nc_trace_bufcat(bufnum, temp);
 			}
 		    }
 		}
 #else
 		{
 		    char temp[80];
-		    _nc_vischar(temp, UChar(buf[j]));
-		    result = _nc_trace_bufcat(bufnum, temp);
+		    VisChar(temp, UChar(buf[j]), sizeof(temp));
+		    (void) _nc_trace_bufcat(bufnum, temp);
 		}
 #endif /* USE_WIDEC_SUPPORT */
 	    }
-	    result = _nc_trace_bufcat(bufnum, d_quote);
+	    (void) _nc_trace_bufcat(bufnum, d_quote);
 	    if (attr != A_NORMAL) {
-		result = _nc_trace_bufcat(bufnum, " | ");
-		result = _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
+		(void) _nc_trace_bufcat(bufnum, " | ");
+		(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
 	    }
 	    result = _nc_trace_bufcat(bufnum, r_brace);
 	    first = last + 1;