Import ncurses 5.6-20080503 snapshot onto the vender branchvendor/ncurses/5.6-20080503

29 files changed, 564 insertions, 450 deletions

diff --git a/contrib/ncurses/ncurses/base/lib_addch.c b/contrib/ncurses/ncurses/base/lib_addch.c
index 1ef6cc5803d3..17ba6e2bcd6c 100644
--- a/contrib/ncurses/ncurses/base/lib_addch.c
+++ b/contrib/ncurses/ncurses/base/lib_addch.c
@@ -36,7 +36,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_addch.c,v 1.108 2008/02/03 18:50:27 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.111 2008/03/29 18:48:02 tom Exp $")
 
 static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
 
@@ -217,7 +217,9 @@ _nc_build_wch(WINDOW *win, ARG_CH_T ch)
 		       buffer,
 		       WINDOW_EXT(win, addch_used), &state)) > 0) {
 	attr_t attrs = AttrOf(CHDEREF(ch));
+	if_EXT_COLORS(int pair = GetPair(CHDEREF(ch)));
 	SetChar(CHDEREF(ch), result, attrs);
+	if_EXT_COLORS(SetPair(CHDEREF(ch), pair));
 	WINDOW_EXT(win, addch_used) = 0;
     } else if (len == -1) {
 	/*
@@ -474,6 +476,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 	while (*s) {
 	    NCURSES_CH_T sch;
 	    SetChar(sch, *s++, AttrOf(ch));
+	    if_EXT_COLORS(SetPair(sch, GetPair(ch)));
 	    if (waddch_literal(win, sch) == ERR)
 		return ERR;
 	}
diff --git a/contrib/ncurses/ncurses/base/lib_bkgd.c b/contrib/ncurses/ncurses/base/lib_bkgd.c
index e6a0cb000b15..c99e0c5fc3a8 100644
--- a/contrib/ncurses/ncurses/base/lib_bkgd.c
+++ b/contrib/ncurses/ncurses/base/lib_bkgd.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2006,2008 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            *
@@ -36,7 +36,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_bkgd.c,v 1.35 2006/05/27 19:20:11 tom Exp $")
+MODULE_ID("$Id: lib_bkgd.c,v 1.36 2008/03/23 00:09:14 tom Exp $")
 
 /*
  * Set the window's background information.
@@ -70,7 +70,7 @@ wbkgrndset(WINDOW *win, const ARG_CH_T ch)
 
 	if (CharOf(CHDEREF(ch)) == L('\0')) {
 	    SetChar(win->_nc_bkgd, BLANK_TEXT, AttrOf(CHDEREF(ch)));
-	    SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch)));
+	    if_EXT_COLORS(SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch))));
 	} else {
 	    win->_nc_bkgd = CHDEREF(ch);
 	}
diff --git a/contrib/ncurses/ncurses/base/lib_delwin.c b/contrib/ncurses/ncurses/base/lib_delwin.c
index fc68f9d68dee..ba5f180d5f3c 100644
--- a/contrib/ncurses/ncurses/base/lib_delwin.c
+++ b/contrib/ncurses/ncurses/base/lib_delwin.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2001,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -40,7 +40,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_delwin.c,v 1.15 2007/12/22 23:34:26 tom Exp $")
+MODULE_ID("$Id: lib_delwin.c,v 1.16 2008/05/03 14:13:51 tom Exp $")
 
 static bool
 cannot_delete(WINDOW *win)
@@ -48,7 +48,7 @@ cannot_delete(WINDOW *win)
     WINDOWLIST *p;
     bool result = TRUE;
 
-    for (p = _nc_windows; p != 0; p = p->next) {
+    for (each_window(p)) {
 	if (&(p->win) == win) {
 	    result = FALSE;
 	} else if ((p->win._flags & _SUBWIN) != 0
diff --git a/contrib/ncurses/ncurses/base/lib_freeall.c b/contrib/ncurses/ncurses/base/lib_freeall.c
index dbf0483f2401..4bb7ccc79995 100644
--- a/contrib/ncurses/ncurses/base/lib_freeall.c
+++ b/contrib/ncurses/ncurses/base/lib_freeall.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -40,7 +40,7 @@
 extern int malloc_errfd;	/* FIXME */
 #endif
 
-MODULE_ID("$Id: lib_freeall.c,v 1.45 2007/12/22 23:29:37 tom Exp $")
+MODULE_ID("$Id: lib_freeall.c,v 1.46 2008/05/03 14:13:51 tom Exp $")
 
 /*
  * Free all ncurses data.  This is used for testing only (there's no practical
@@ -67,10 +67,10 @@ _nc_freeall(void)
 	    bool deleted = FALSE;
 
 	    /* Delete only windows that're not a parent */
-	    for (p = _nc_windows; p != 0; p = p->next) {
+	    for (each_window(p)) {
 		bool found = FALSE;
 
-		for (q = _nc_windows; q != 0; q = q->next) {
+		for (each_window(q)) {
 		    if ((p != q)
 			&& (q->win._flags & _SUBWIN)
 			&& (&(p->win) == q->win._parent)) {
diff --git a/contrib/ncurses/ncurses/base/lib_getch.c b/contrib/ncurses/ncurses/base/lib_getch.c
index 11e8052a668c..d9f6b1795c77 100644
--- a/contrib/ncurses/ncurses/base/lib_getch.c
+++ b/contrib/ncurses/ncurses/base/lib_getch.c
@@ -41,17 +41,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.82 2008/01/19 21:07:30 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.87 2008/05/03 22:42:10 tom Exp $")
 
 #include <fifo_defs.h>
 
 #if USE_REENTRANT
+#define GetEscdelay(sp) (sp)->_ESCDELAY
 NCURSES_EXPORT(int)
 NCURSES_PUBLIC_VAR(ESCDELAY) (void)
 {
-    return SP ? SP->_ESCDELAY : 1000;
+    return SP ? GetEscdelay(SP) : 1000;
 }
 #else
+#define GetEscdelay(sp) ESCDELAY
 NCURSES_EXPORT_VAR(int)
 ESCDELAY = 1000;		/* max interval betw. chars in funkeys, in millisecs */
 #endif
@@ -84,20 +86,20 @@ set_escdelay(int value)
  * Check for mouse activity, returning nonzero if we find any.
  */
 static int
-check_mouse_activity(int delay EVENTLIST_2nd(_nc_eventlist * evl))
+check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
 {
     int rc;
 
 #if USE_SYSMOUSE
-    if ((SP->_mouse_type == M_SYSMOUSE)
-	&& (SP->_sysmouse_head < SP->_sysmouse_tail)) {
+    if ((sp->_mouse_type == M_SYSMOUSE)
+	&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
 	return 2;
     }
 #endif
-    rc = _nc_timed_wait(TWAIT_MASK, delay, (int *) 0 EVENTLIST_2nd(evl));
+    rc = _nc_timed_wait(sp, TWAIT_MASK, delay, (int *) 0 EVENTLIST_2nd(evl));
 #if USE_SYSMOUSE
-    if ((SP->_mouse_type == M_SYSMOUSE)
-	&& (SP->_sysmouse_head < SP->_sysmouse_tail)
+    if ((sp->_mouse_type == M_SYSMOUSE)
+	&& (sp->_sysmouse_head < sp->_sysmouse_tail)
 	&& (rc == 0)
 	&& (errno == EINTR)) {
 	rc |= 2;
@@ -107,9 +109,9 @@ check_mouse_activity(int delay EVENTLIST_2nd(_nc_eventlist * evl))
 }
 
 static NCURSES_INLINE int
-fifo_peek(void)
+fifo_peek(SCREEN *sp)
 {
-    int ch = SP->_fifo[peek];
+    int ch = sp->_fifo[peek];
     TR(TRACE_IEVENT, ("peeking at %d", peek));
 
     p_inc();
@@ -117,10 +119,10 @@ fifo_peek(void)
 }
 
 static NCURSES_INLINE int
-fifo_pull(void)
+fifo_pull(SCREEN *sp)
 {
     int ch;
-    ch = SP->_fifo[head];
+    ch = sp->_fifo[head];
     TR(TRACE_IEVENT, ("pulling %s from %d", _tracechar(ch), head));
 
     if (peek == head) {
@@ -131,7 +133,7 @@ fifo_pull(void)
 
 #ifdef TRACE
     if (USE_TRACEF(TRACE_IEVENT)) {
-	_nc_fifo_dump();
+	_nc_fifo_dump(sp);
 	_nc_unlock_global(tracef);
     }
 #endif
@@ -139,7 +141,7 @@ fifo_pull(void)
 }
 
 static NCURSES_INLINE int
-fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
+fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 {
     int n;
     int ch = 0;
@@ -157,47 +159,47 @@ fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
 #ifdef NCURSES_WGETCH_EVENTS
     if (evl
 #if USE_GPM_SUPPORT || USE_EMX_MOUSE || USE_SYSMOUSE
-	|| (SP->_mouse_fd >= 0)
+	|| (sp->_mouse_fd >= 0)
 #endif
 	) {
-	mask = check_mouse_activity(-1 EVENTLIST_2nd(evl));
+	mask = check_mouse_activity(sp, -1 EVENTLIST_2nd(evl));
     } else
 	mask = 0;
 
     if (mask & 4) {
 	T(("fifo_push: ungetch KEY_EVENT"));
-	ungetch(KEY_EVENT);
+	_nc_ungetch(sp, KEY_EVENT);
 	return KEY_EVENT;
     }
 #elif USE_GPM_SUPPORT || USE_EMX_MOUSE || USE_SYSMOUSE
-    if (SP->_mouse_fd >= 0) {
-	mask = check_mouse_activity(-1 EVENTLIST_2nd(evl));
+    if (sp->_mouse_fd >= 0) {
+	mask = check_mouse_activity(sp, -1 EVENTLIST_2nd(evl));
     }
 #endif
 
 #if USE_GPM_SUPPORT || USE_EMX_MOUSE
-    if ((SP->_mouse_fd >= 0) && (mask & 2)) {
-	SP->_mouse_event(SP);
+    if ((sp->_mouse_fd >= 0) && (mask & 2)) {
+	sp->_mouse_event(sp);
 	ch = KEY_MOUSE;
 	n = 1;
     } else
 #endif
 #if USE_SYSMOUSE
-	if ((SP->_mouse_type == M_SYSMOUSE)
-	    && (SP->_sysmouse_head < SP->_sysmouse_tail)) {
-	SP->_mouse_event(SP);
+	if ((sp->_mouse_type == M_SYSMOUSE)
+	    && (sp->_sysmouse_head < sp->_sysmouse_tail)) {
+	sp->_mouse_event(sp);
 	ch = KEY_MOUSE;
 	n = 1;
-    } else if ((SP->_mouse_type == M_SYSMOUSE)
+    } else if ((sp->_mouse_type == M_SYSMOUSE)
 	       && (mask <= 0) && errno == EINTR) {
-	SP->_mouse_event(SP);
+	sp->_mouse_event(sp);
 	ch = KEY_MOUSE;
 	n = 1;
     } else
 #endif
     {				/* Can block... */
 	unsigned char c2 = 0;
-	n = read(SP->_ifd, &c2, 1);
+	n = read(sp->_ifd, &c2, 1);
 	ch = c2;
     }
 
@@ -216,20 +218,20 @@ fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
 #endif
 
     if ((n == -1) || (n == 0)) {
-	TR(TRACE_IEVENT, ("read(%d,&ch,1)=%d, errno=%d", SP->_ifd, n, errno));
+	TR(TRACE_IEVENT, ("read(%d,&ch,1)=%d, errno=%d", sp->_ifd, n, errno));
 	ch = ERR;
     }
     TR(TRACE_IEVENT, ("read %d characters", n));
 
-    SP->_fifo[tail] = ch;
-    SP->_fifohold = 0;
+    sp->_fifo[tail] = ch;
+    sp->_fifohold = 0;
     if (head == -1)
 	head = peek = tail;
     t_inc();
     TR(TRACE_IEVENT, ("pushed %s at %d", _tracechar(ch), tail));
 #ifdef TRACE
     if (USE_TRACEF(TRACE_IEVENT)) {
-	_nc_fifo_dump();
+	_nc_fifo_dump(sp);
 	_nc_unlock_global(tracef);
     }
 #endif
@@ -237,14 +239,14 @@ fifo_push(EVENTLIST_0th(_nc_eventlist * evl))
 }
 
 static NCURSES_INLINE void
-fifo_clear(void)
+fifo_clear(SCREEN *sp)
 {
-    memset(SP->_fifo, 0, sizeof(SP->_fifo));
+    memset(sp->_fifo, 0, sizeof(sp->_fifo));
     head = -1;
     tail = peek = 0;
 }
 
-static int kgetch(EVENTLIST_0th(_nc_eventlist * evl));
+static int kgetch(SCREEN *EVENTLIST_2nd(_nc_eventlist * evl));
 
 #define wgetch_should_refresh(win) (\
 	(is_wintouched(win) || (win->_flags & _HASMOVED)) \
@@ -256,6 +258,7 @@ _nc_wgetch(WINDOW *win,
 	   int use_meta
 	   EVENTLIST_2nd(_nc_eventlist * evl))
 {
+    SCREEN *sp = SP;
     int ch;
 #ifdef NCURSES_WGETCH_EVENTS
     long event_delay = -1;
@@ -264,7 +267,7 @@ _nc_wgetch(WINDOW *win,
     T((T_CALLED("_nc_wgetch(%p)"), win));
 
     *result = 0;
-    if (win == 0 || SP == 0) {
+    if (win == 0 || sp == 0) {
 	returnCode(ERR);
     }
 
@@ -272,7 +275,7 @@ _nc_wgetch(WINDOW *win,
 	if (wgetch_should_refresh(win))
 	    wrefresh(win);
 
-	*result = fifo_pull();
+	*result = fifo_pull(sp);
 	returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
     }
 #ifdef NCURSES_WGETCH_EVENTS
@@ -287,26 +290,26 @@ _nc_wgetch(WINDOW *win,
      * the first character to return it.
      */
     if (head == -1 &&
-	!SP->_notty &&
-	!SP->_raw &&
-	!SP->_cbreak &&
-	!SP->_called_wgetch) {
-	char buf[MAXCOLUMNS], *sp;
+	!sp->_notty &&
+	!sp->_raw &&
+	!sp->_cbreak &&
+	!sp->_called_wgetch) {
+	char buf[MAXCOLUMNS], *bufp;
 	int rc;
 
 	TR(TRACE_IEVENT, ("filling queue in cooked mode"));
 
-	SP->_called_wgetch = TRUE;
+	sp->_called_wgetch = TRUE;
 	rc = wgetnstr(win, buf, MAXCOLUMNS);
-	SP->_called_wgetch = FALSE;
+	sp->_called_wgetch = FALSE;
 
 	/* ungetch in reverse order */
 #ifdef NCURSES_WGETCH_EVENTS
 	if (rc != KEY_EVENT)
 #endif
-	    ungetch('\n');
-	for (sp = buf + strlen(buf); sp > buf; sp--)
-	    ungetch(sp[-1]);
+	    _nc_ungetch(sp, '\n');
+	for (bufp = buf + strlen(buf); bufp > buf; bufp--)
+	    _nc_ungetch(sp, bufp[-1]);
 
 #ifdef NCURSES_WGETCH_EVENTS
 	/* Return it first */
@@ -314,24 +317,24 @@ _nc_wgetch(WINDOW *win,
 	    *result = rc;
 	} else
 #endif
-	    *result = fifo_pull();
+	    *result = fifo_pull(sp);
 	returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
     }
 
-    if (win->_use_keypad != SP->_keypad_on)
-	_nc_keypad(win->_use_keypad);
+    if (win->_use_keypad != sp->_keypad_on)
+	_nc_keypad(sp, win->_use_keypad);
 
     if (wgetch_should_refresh(win))
 	wrefresh(win);
 
-    if (!win->_notimeout && (win->_delay >= 0 || SP->_cbreak > 1)) {
+    if (!win->_notimeout && (win->_delay >= 0 || sp->_cbreak > 1)) {
 	if (head == -1) {	/* fifo is empty */
 	    int delay;
 	    int rc;
 
 	    TR(TRACE_IEVENT, ("timed delay in wgetch()"));
-	    if (SP->_cbreak > 1)
-		delay = (SP->_cbreak - 1) * 100;
+	    if (sp->_cbreak > 1)
+		delay = (sp->_cbreak - 1) * 100;
 	    else
 		delay = win->_delay;
 
@@ -342,7 +345,7 @@ _nc_wgetch(WINDOW *win,
 
 	    TR(TRACE_IEVENT, ("delay is %d milliseconds", delay));
 
-	    rc = check_mouse_activity(delay EVENTLIST_2nd(evl));
+	    rc = check_mouse_activity(sp, delay EVENTLIST_2nd(evl));
 
 #ifdef NCURSES_WGETCH_EVENTS
 	    if (rc & 4) {
@@ -372,23 +375,23 @@ _nc_wgetch(WINDOW *win,
 	int rc;
 
 	do {
-	    ch = kgetch(EVENTLIST_1st(evl));
+	    ch = kgetch(sp EVENTLIST_2nd(evl));
 	    if (ch == KEY_MOUSE) {
 		++runcount;
-		if (SP->_mouse_inline(SP))
+		if (sp->_mouse_inline(sp))
 		    break;
 	    }
-	    if (SP->_maxclick < 0)
+	    if (sp->_maxclick < 0)
 		break;
 	} while
 	    (ch == KEY_MOUSE
-	     && (((rc = check_mouse_activity(SP->_maxclick
+	     && (((rc = check_mouse_activity(sp, sp->_maxclick
 					     EVENTLIST_2nd(evl))) != 0
 		  && !(rc & 4))
-		 || !SP->_mouse_parse(runcount)));
+		 || !sp->_mouse_parse(runcount)));
 #ifdef NCURSES_WGETCH_EVENTS
 	if ((rc & 4) && !ch == KEY_EVENT) {
-	    ungetch(ch);
+	    _nc_ungetch(sp, ch);
 	    ch = KEY_EVENT;
 	}
 #endif
@@ -396,28 +399,28 @@ _nc_wgetch(WINDOW *win,
 #ifdef NCURSES_WGETCH_EVENTS
 	    /* mouse event sequence ended by an event, report event */
 	    if (ch == KEY_EVENT) {
-		ungetch(KEY_MOUSE);	/* FIXME This interrupts a gesture... */
+		_nc_ungetch(sp, KEY_MOUSE);	/* FIXME This interrupts a gesture... */
 	    } else
 #endif
 	    {
 		/* mouse event sequence ended by keystroke, store keystroke */
-		ungetch(ch);
+		_nc_ungetch(sp, ch);
 		ch = KEY_MOUSE;
 	    }
 	}
     } else {
 	if (head == -1)
-	    fifo_push(EVENTLIST_1st(evl));
-	ch = fifo_pull();
+	    fifo_push(sp EVENTLIST_2nd(evl));
+	ch = fifo_pull(sp);
     }
 
     if (ch == ERR) {
 #if USE_SIZECHANGE
-	if (_nc_handle_sigwinch(FALSE)) {
-	    _nc_update_screensize();
+	if (_nc_handle_sigwinch(sp)) {
+	    _nc_update_screensize(sp);
 	    /* resizeterm can push KEY_RESIZE */
 	    if (cooked_key_in_fifo()) {
-		*result = fifo_pull();
+		*result = fifo_pull(sp);
 		returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
 	    }
 	}
@@ -443,7 +446,7 @@ _nc_wgetch(WINDOW *win,
      * However, we provide the same visual result as Solaris, moving the
      * cursor to the left.
      */
-    if (SP->_echo && !(win->_flags & _ISPAD)) {
+    if (sp->_echo && !(win->_flags & _ISPAD)) {
 	chtype backup = (ch == KEY_BACKSPACE) ? '\b' : ch;
 	if (backup < KEY_MIN)
 	    wechochar(win, backup);
@@ -452,7 +455,7 @@ _nc_wgetch(WINDOW *win,
     /*
      * Simulate ICRNL mode
      */
-    if ((ch == '\r') && SP->_nl)
+    if ((ch == '\r') && sp->_nl)
 	ch = '\n';
 
     /* Strip 8th-bit if so desired.  We do this only for characters that
@@ -474,13 +477,14 @@ _nc_wgetch(WINDOW *win,
 NCURSES_EXPORT(int)
 wgetch_events(WINDOW *win, _nc_eventlist * evl)
 {
+    SCREEN *sp = SP;
     int code;
     unsigned long value;
 
     T((T_CALLED("wgetch_events(%p,%p)"), win, evl));
     code = _nc_wgetch(win,
 		      &value,
-		      SP->_use_meta
+		      sp->_use_meta
 		      EVENTLIST_2nd(evl));
     if (code != ERR)
 	code = value;
@@ -491,13 +495,14 @@ wgetch_events(WINDOW *win, _nc_eventlist * evl)
 NCURSES_EXPORT(int)
 wgetch(WINDOW *win)
 {
+    SCREEN *sp = SP;
     int code;
     unsigned long value;
 
     T((T_CALLED("wgetch(%p)"), win));
     code = _nc_wgetch(win,
 		      &value,
-		      (SP ? SP->_use_meta : 0)
+		      (sp ? sp->_use_meta : 0)
 		      EVENTLIST_2nd((_nc_eventlist *) 0));
     if (code != ERR)
 	code = value;
@@ -520,21 +525,21 @@ wgetch(WINDOW *win)
 */
 
 static int
-kgetch(EVENTLIST_0th(_nc_eventlist * evl))
+kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 {
     TRIES *ptr;
     int ch = 0;
-    int timeleft = ESCDELAY;
+    int timeleft = GetEscdelay(sp);
 
     TR(TRACE_IEVENT, ("kgetch() called"));
 
-    ptr = SP->_keytry;
+    ptr = sp->_keytry;
 
     for (;;) {
-	if (cooked_key_in_fifo() && SP->_fifo[head] >= KEY_MIN) {
+	if (cooked_key_in_fifo() && sp->_fifo[head] >= KEY_MIN) {
 	    break;
 	} else if (!raw_key_in_fifo()) {
-	    ch = fifo_push(EVENTLIST_1st(evl));
+	    ch = fifo_push(sp EVENTLIST_2nd(evl));
 	    if (ch == ERR) {
 		peek = head;	/* the keys stay uninterpreted */
 		return ERR;
@@ -542,12 +547,12 @@ kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 #ifdef NCURSES_WGETCH_EVENTS
 	    else if (ch == KEY_EVENT) {
 		peek = head;	/* the keys stay uninterpreted */
-		return fifo_pull();	/* Remove KEY_EVENT from the queue */
+		return fifo_pull(sp);	/* Remove KEY_EVENT from the queue */
 	    }
 #endif
 	}
 
-	ch = fifo_peek();
+	ch = fifo_peek(sp);
 	if (ch >= KEY_MIN) {
 	    /* If not first in queue, somebody put this key there on purpose in
 	     * emergency.  Consider it higher priority than the unfinished
@@ -573,7 +578,7 @@ kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 	if (ptr->value != 0) {	/* sequence terminated */
 	    TR(TRACE_IEVENT, ("end of sequence"));
 	    if (peek == tail)
-		fifo_clear();
+		fifo_clear(sp);
 	    else
 		head = peek;
 	    return (ptr->value);
@@ -585,7 +590,7 @@ kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 	    int rc;
 
 	    TR(TRACE_IEVENT, ("waiting for rest of sequence"));
-	    rc = check_mouse_activity(timeleft EVENTLIST_2nd(evl));
+	    rc = check_mouse_activity(sp, timeleft EVENTLIST_2nd(evl));
 #ifdef NCURSES_WGETCH_EVENTS
 	    if (rc & 4) {
 		TR(TRACE_IEVENT, ("interrupted by a user event"));
@@ -600,7 +605,7 @@ kgetch(EVENTLIST_0th(_nc_eventlist * evl))
 	    }
 	}
     }
-    ch = fifo_pull();
+    ch = fifo_pull(sp);
     peek = head;
     return ch;
 }
diff --git a/contrib/ncurses/ncurses/base/lib_initscr.c b/contrib/ncurses/ncurses/base/lib_initscr.c
index 38744738cbb6..ef360c03b642 100644
--- a/contrib/ncurses/ncurses/base/lib_initscr.c
+++ b/contrib/ncurses/ncurses/base/lib_initscr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -45,15 +45,19 @@
 #include <sys/termio.h>		/* needed for ISC */
 #endif
 
-MODULE_ID("$Id: lib_initscr.c,v 1.35 2007/04/21 20:43:02 tom Exp $")
+MODULE_ID("$Id: lib_initscr.c,v 1.36 2008/04/12 18:11:36 tom Exp $")
 
 NCURSES_EXPORT(WINDOW *)
 initscr(void)
 {
+    WINDOW *result;
+
     NCURSES_CONST char *name;
 
     START_TRACE();
     T((T_CALLED("initscr()")));
+
+    _nc_lock_global(set_SP);
     /* Portable applications must not call initscr() more than once */
     if (!_nc_globals.init_screen) {
 	_nc_globals.init_screen = TRUE;
@@ -86,5 +90,8 @@ initscr(void)
 	/* def_shell_mode - done in newterm/_nc_setupscreen */
 	def_prog_mode();
     }
-    returnWin(stdscr);
+    result = stdscr;
+    _nc_unlock_global(set_SP);
+
+    returnWin(result);
 }
diff --git a/contrib/ncurses/ncurses/base/lib_newterm.c b/contrib/ncurses/ncurses/base/lib_newterm.c
index f52562cec106..3620a3fdbf2b 100644
--- a/contrib/ncurses/ncurses/base/lib_newterm.c
+++ b/contrib/ncurses/ncurses/base/lib_newterm.c
@@ -48,7 +48,7 @@
 #include <term.h>		/* clear_screen, cup & friends, cur_term */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_newterm.c,v 1.68 2008/01/12 20:24:40 tom Exp $")
+MODULE_ID("$Id: lib_newterm.c,v 1.69 2008/04/12 18:15:04 tom Exp $")
 
 #ifndef ONLCR			/* Allows compilation under the QNX 4.2 OS */
 #define ONLCR 0
@@ -123,17 +123,17 @@ newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
 {
     int value;
     int errret;
-    int slk_format = _nc_globals.slk_format;
     SCREEN *current;
     SCREEN *result = 0;
 
     START_TRACE();
     T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp));
 
+    _nc_lock_global(set_SP);
     /* this loads the capability entry, then sets LINES and COLS */
-    if (setupterm(name, fileno(ofp), &errret) == ERR) {
-	result = 0;
-    } else {
+    if (setupterm(name, fileno(ofp), &errret) != ERR) {
+	int slk_format = _nc_globals.slk_format;
+
 	/*
 	 * This actually allocates the screen structure, and saves the original
 	 * terminal settings.
@@ -143,11 +143,7 @@ newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
 
 	/* allow user to set maximum escape delay from the environment */
 	if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
-#if USE_REENTRANT
-	    SP->_ESCDELAY = value;
-#else
-	    ESCDELAY = value;
-#endif
+	    set_escdelay(value);
 	}
 
 	if (_nc_setupscreen(LINES,
@@ -216,5 +212,6 @@ newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
 	    result = SP;
 	}
     }
+    _nc_unlock_global(set_SP);
     returnSP(result);
 }
diff --git a/contrib/ncurses/ncurses/base/lib_newwin.c b/contrib/ncurses/ncurses/base/lib_newwin.c
index 21ba95f34ed6..7f7aa3e04f1e 100644
--- a/contrib/ncurses/ncurses/base/lib_newwin.c
+++ b/contrib/ncurses/ncurses/base/lib_newwin.c
@@ -40,42 +40,39 @@
 */
 
 #include <curses.priv.h>
+#include <stddef.h>
 
-MODULE_ID("$Id: lib_newwin.c,v 1.44 2008/01/13 00:28:13 tom Exp $")
+MODULE_ID("$Id: lib_newwin.c,v 1.50 2008/05/03 16:36:39 tom Exp $")
 
-static WINDOW *
+#define window_is(name) ((sp)->_##name == win)
+
+#if USE_REENTRANT
+#define remove_window(name) \
+		sp->_##name = 0
+#else
+#define remove_window(name) \
+		sp->_##name = 0; \
+		if (win == name) \
+		    name = 0
+#endif
+
+static void
 remove_window_from_screen(WINDOW *win)
 {
-    SCREEN **scan = &_nc_screen_chain;
-
-    while (*scan) {
-	SCREEN *sp = *scan;
-	if (sp->_curscr == win) {
-	    sp->_curscr = 0;
-#if !USE_REENTRANT
-	    if (win == curscr)
-		curscr = 0;
-#endif
-	} else if (sp->_stdscr == win) {
-	    sp->_stdscr = 0;
-#if !USE_REENTRANT
-	    if (win == stdscr)
-		stdscr = 0;
-#endif
-	} else if (sp->_newscr == win) {
-	    sp->_newscr = 0;
-#if !USE_REENTRANT
-	    if (win == newscr)
-		newscr = 0;
-#endif
-	} else {
-	    scan = &(*scan)->_next_screen;
-	    continue;
+    SCREEN *sp;
+
+    for (each_screen(sp)) {
+	if (window_is(curscr)) {
+	    remove_window(curscr);
+	    break;
+	} else if (window_is(stdscr)) {
+	    remove_window(stdscr);
+	    break;
+	} else if (window_is(newscr)) {
+	    remove_window(newscr);
+	    break;
 	}
-	break;
     }
-
-    return 0;
 }
 
 NCURSES_EXPORT(int)
@@ -89,7 +86,8 @@ _nc_freewin(WINDOW *win)
 
     if (win != 0) {
 	if (_nc_try_global(windowlist) == 0) {
-	    for (p = _nc_windows, q = 0; p != 0; q = p, p = p->next) {
+	    q = 0;
+	    for (each_window(p)) {
 		if (&(p->win) == win) {
 		    remove_window_from_screen(win);
 		    if (q == 0)
@@ -108,6 +106,7 @@ _nc_freewin(WINDOW *win)
 		    T(("...deleted win=%p", win));
 		    break;
 		}
+		q = p;
 	    }
 	    _nc_unlock_global(windowlist);
 	}
@@ -230,14 +229,7 @@ _nc_makenew(int num_lines, int num_columns, int begy, int begx, int flags)
     if ((wp = typeCalloc(WINDOWLIST, 1)) == 0)
 	returnWin(0);
 
-#ifdef USE_PTHREADS
-    {
-	pthread_mutexattr_t recattr;
-	memset(&recattr, 0, sizeof(recattr));
-	pthread_mutexattr_settype(&recattr, PTHREAD_MUTEX_NORMAL);
-	pthread_mutex_init(&(wp->mutex_use_window), &recattr);
-    }
-#endif
+    _nc_mutex_init(&(wp->mutex_use_window));
 
     win = &(wp->win);
 
diff --git a/contrib/ncurses/ncurses/base/lib_overlay.c b/contrib/ncurses/ncurses/base/lib_overlay.c
index 22bd2f80ba72..26314de5e5fb 100644
--- a/contrib/ncurses/ncurses/base/lib_overlay.c
+++ b/contrib/ncurses/ncurses/base/lib_overlay.c
@@ -40,46 +40,46 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_overlay.c,v 1.23 2007/04/07 17:13:52 tom Exp $")
+MODULE_ID("$Id: lib_overlay.c,v 1.25 2008/04/12 17:21:59 tom Exp $")
 
 static int
-overlap(const WINDOW *const s, WINDOW *const d, int const flag)
+overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
 {
+    int rc = ERR;
     int sx1, sy1, sx2, sy2;
     int dx1, dy1, dx2, dy2;
     int sminrow, smincol;
     int dminrow, dmincol;
     int dmaxrow, dmaxcol;
 
-    T((T_CALLED("overlap(%p,%p,%d)"), s, d, flag));
+    T((T_CALLED("overlap(%p,%p,%d)"), src, dst, flag));
+
+    if (src != 0 && dst != 0) {
+	_nc_lock_window(src);
+	_nc_lock_window(dst);
 
-    if (s == 0 || d == 0) {
-	returnCode(ERR);
-    } else {
 	T(("src : begy %ld, begx %ld, maxy %ld, maxx %ld",
-	   (long) s->_begy,
-	   (long) s->_begx,
-	   (long) s->_maxy,
-	   (long) s->_maxx));
+	   (long) src->_begy,
+	   (long) src->_begx,
+	   (long) src->_maxy,
+	   (long) src->_maxx));
 	T(("dst : begy %ld, begx %ld, maxy %ld, maxx %ld",
-	   (long) d->_begy,
-	   (long) d->_begx,
-	   (long) d->_maxy,
-	   (long) d->_maxx));
-
-	sx1 = s->_begx;
-	sy1 = s->_begy;
-	sx2 = sx1 + s->_maxx;
-	sy2 = sy1 + s->_maxy;
-
-	dx1 = d->_begx;
-	dy1 = d->_begy;
-	dx2 = dx1 + d->_maxx;
-	dy2 = dy1 + d->_maxy;
-
-	if (dx2 < sx1 || dx1 > sx2 || dy2 < sy1 || dy1 > sy2) {
-	    returnCode(ERR);	/* No intersection */
-	} else {
+	   (long) dst->_begy,
+	   (long) dst->_begx,
+	   (long) dst->_maxy,
+	   (long) dst->_maxx));
+
+	sx1 = src->_begx;
+	sy1 = src->_begy;
+	sx2 = sx1 + src->_maxx;
+	sy2 = sy1 + src->_maxy;
+
+	dx1 = dst->_begx;
+	dy1 = dst->_begy;
+	dx2 = dx1 + dst->_maxx;
+	dy2 = dy1 + dst->_maxy;
+
+	if (dx2 >= sx1 && dx1 <= sx2 && dy2 >= sy1 && dy1 <= sy2) {
 	    sminrow = max(sy1, dy1) - sy1;
 	    smincol = max(sx1, dx1) - sx1;
 	    dminrow = max(sy1, dy1) - dy1;
@@ -87,13 +87,16 @@ overlap(const WINDOW *const s, WINDOW *const d, int const flag)
 	    dmaxrow = min(sy2, dy2) - dy1;
 	    dmaxcol = min(sx2, dx2) - dx1;
 
-	    returnCode(copywin(s, d,
-			       sminrow, smincol,
-			       dminrow, dmincol,
-			       dmaxrow, dmaxcol,
-			       flag));
+	    rc = copywin(src, dst,
+			 sminrow, smincol,
+			 dminrow, dmincol,
+			 dmaxrow, dmaxcol,
+			 flag);
 	}
+	_nc_unlock_window(dst);
+	_nc_unlock_window(src);
     }
+    returnCode(rc);
 }
 
 /*
@@ -137,6 +140,7 @@ copywin(const WINDOW *src, WINDOW *dst,
 	int dmaxrow, int dmaxcol,
 	int over)
 {
+    int rc = ERR;
     int sx, sy, dx, dy;
     bool touched;
     attr_t bk;
@@ -145,49 +149,63 @@ copywin(const WINDOW *src, WINDOW *dst,
     T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
        src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over));
 
-    if (!src || !dst)
-	returnCode(ERR);
-
-    bk = AttrOf(dst->_nc_bkgd);
-    mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0);
-
-    /* make sure rectangle exists in source */
-    if ((sminrow + dmaxrow - dminrow) > (src->_maxy + 1) ||
-	(smincol + dmaxcol - dmincol) > (src->_maxx + 1)) {
-	returnCode(ERR);
-    }
-
-    T(("rectangle exists in source"));
-
-    /* make sure rectangle fits in destination */
-    if (dmaxrow > dst->_maxy || dmaxcol > dst->_maxx) {
-	returnCode(ERR);
-    }
-
-    T(("rectangle fits in destination"));
-
-    for (dy = dminrow, sy = sminrow; dy <= dmaxrow; sy++, dy++) {
-	touched = FALSE;
-	for (dx = dmincol, sx = smincol; dx <= dmaxcol; sx++, dx++) {
-	    if (over) {
-		if ((CharOf(src->_line[sy].text[sx]) != L(' ')) &&
-		    (!CharEq(dst->_line[dy].text[dx], src->_line[sy].text[sx]))) {
-		    dst->_line[dy].text[dx] = src->_line[sy].text[sx];
-		    SetAttr(dst->_line[dy].text[dx],
-			    (AttrOf(src->_line[sy].text[sx]) & mask) | bk);
-		    touched = TRUE;
-		}
-	    } else {
-		if (!CharEq(dst->_line[dy].text[dx], src->_line[sy].text[sx])) {
-		    dst->_line[dy].text[dx] = src->_line[sy].text[sx];
-		    touched = TRUE;
+    if (src && dst) {
+
+	_nc_lock_window(src);
+	_nc_lock_window(dst);
+
+	bk = AttrOf(dst->_nc_bkgd);
+	mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0);
+
+	/* make sure rectangle exists in source */
+	if ((sminrow + dmaxrow - dminrow) <= (src->_maxy + 1) &&
+	    (smincol + dmaxcol - dmincol) <= (src->_maxx + 1)) {
+
+	    T(("rectangle exists in source"));
+
+	    /* make sure rectangle fits in destination */
+	    if (dmaxrow <= dst->_maxy && dmaxcol <= dst->_maxx) {
+
+		T(("rectangle fits in destination"));
+
+		for (dy = dminrow, sy = sminrow;
+		     dy <= dmaxrow;
+		     sy++, dy++) {
+
+		    touched = FALSE;
+		    for (dx = dmincol, sx = smincol;
+			 dx <= dmaxcol;
+			 sx++, dx++) {
+			if (over) {
+			    if ((CharOf(src->_line[sy].text[sx]) != L(' ')) &&
+				(!CharEq(dst->_line[dy].text[dx],
+					 src->_line[sy].text[sx]))) {
+				dst->_line[dy].text[dx] =
+				    src->_line[sy].text[sx];
+				SetAttr(dst->_line[dy].text[dx],
+					((AttrOf(src->_line[sy].text[sx]) &
+					  mask) | bk));
+				touched = TRUE;
+			    }
+			} else {
+			    if (!CharEq(dst->_line[dy].text[dx],
+					src->_line[sy].text[sx])) {
+				dst->_line[dy].text[dx] =
+				    src->_line[sy].text[sx];
+				touched = TRUE;
+			    }
+			}
+		    }
+		    if (touched) {
+			touchline(dst, dminrow, (dmaxrow - dminrow + 1));
+		    }
 		}
+		T(("finished copywin"));
+		rc = OK;
 	    }
 	}
-	if (touched) {
-	    touchline(dst, dminrow, (dmaxrow - dminrow + 1));
-	}
+	_nc_unlock_window(dst);
+	_nc_unlock_window(src);
     }
-    T(("finished copywin"));
-    returnCode(OK);
+    returnCode(rc);
 }
diff --git a/contrib/ncurses/ncurses/base/lib_restart.c b/contrib/ncurses/ncurses/base/lib_restart.c
index 858ef65a645d..9742ff629fbd 100644
--- a/contrib/ncurses/ncurses/base/lib_restart.c
+++ b/contrib/ncurses/ncurses/base/lib_restart.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -48,7 +48,7 @@
 
 #include <term.h>		/* lines, columns, cur_term */
 
-MODULE_ID("$Id: lib_restart.c,v 1.8 2007/10/13 19:59:47 tom Exp $")
+MODULE_ID("$Id: lib_restart.c,v 1.9 2008/05/03 22:43:52 tom Exp $")
 
 NCURSES_EXPORT(int)
 restartterm(NCURSES_CONST char *termp, int filenum, int *errret)
@@ -88,7 +88,7 @@ restartterm(NCURSES_CONST char *termp, int filenum, int *errret)
 	reset_prog_mode();
 
 #if USE_SIZECHANGE
-	_nc_update_screensize();
+	_nc_update_screensize(SP);
 #endif
 
 	result = OK;
diff --git a/contrib/ncurses/ncurses/base/lib_set_term.c b/contrib/ncurses/ncurses/base/lib_set_term.c
index e44850c6a15a..eee1cfc7b259 100644
--- a/contrib/ncurses/ncurses/base/lib_set_term.c
+++ b/contrib/ncurses/ncurses/base/lib_set_term.c
@@ -44,7 +44,7 @@
 #include <term.h>		/* cur_term */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_set_term.c,v 1.103 2008/02/03 20:31:08 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.108 2008/05/03 22:42:43 tom Exp $")
 
 NCURSES_EXPORT(SCREEN *)
 set_term(SCREEN *screenp)
@@ -58,14 +58,25 @@ set_term(SCREEN *screenp)
     oldSP = SP;
     _nc_set_screen(screenp);
 
-    set_curterm(SP->_term);
+    if (SP != 0) {
+	set_curterm(SP->_term);
 #if !USE_REENTRANT
-    curscr = SP->_curscr;
-    newscr = SP->_newscr;
-    stdscr = SP->_stdscr;
-    COLORS = SP->_color_count;
-    COLOR_PAIRS = SP->_pair_count;
+	curscr = SP->_curscr;
+	newscr = SP->_newscr;
+	stdscr = SP->_stdscr;
+	COLORS = SP->_color_count;
+	COLOR_PAIRS = SP->_pair_count;
 #endif
+    } else {
+	set_curterm(0);
+#if !USE_REENTRANT
+	curscr = 0;
+	newscr = 0;
+	stdscr = 0;
+	COLORS = 0;
+	COLOR_PAIRS = 0;
+#endif
+    }
 
     _nc_unlock_global(set_SP);
 
@@ -83,90 +94,105 @@ _nc_free_keytry(TRIES * kt)
     }
 }
 
+static bool
+delink_screen(SCREEN *sp)
+{
+    SCREEN *last = 0;
+    SCREEN *temp;
+    bool result = FALSE;
+
+    for (each_screen(temp)) {
+	if (temp == sp) {
+	    if (last)
+		last = sp->_next_screen;
+	    else
+		_nc_screen_chain = sp->_next_screen;
+	    result = TRUE;
+	    break;
+	}
+	last = temp;
+    }
+    return result;
+}
+
 /*
  * Free the storage associated with the given SCREEN sp.
  */
 NCURSES_EXPORT(void)
 delscreen(SCREEN *sp)
 {
-    SCREEN **scan = &_nc_screen_chain;
     int i;
 
     T((T_CALLED("delscreen(%p)"), sp));
 
     _nc_lock_global(set_SP);
-    while (*scan) {
-	if (*scan == sp) {
-	    *scan = sp->_next_screen;
-	    break;
-	}
-	scan = &(*scan)->_next_screen;
-    }
-
-    (void) _nc_freewin(sp->_curscr);
-    (void) _nc_freewin(sp->_newscr);
-    (void) _nc_freewin(sp->_stdscr);
-
-    if (sp->_slk != 0) {
-	if (sp->_slk->ent != 0) {
-	    for (i = 0; i < sp->_slk->labcnt; ++i) {
-		FreeIfNeeded(sp->_slk->ent[i].ent_text);
-		FreeIfNeeded(sp->_slk->ent[i].form_text);
+    if (delink_screen(sp)) {
+
+	(void) _nc_freewin(sp->_curscr);
+	(void) _nc_freewin(sp->_newscr);
+	(void) _nc_freewin(sp->_stdscr);
+
+	if (sp->_slk != 0) {
+	    if (sp->_slk->ent != 0) {
+		for (i = 0; i < sp->_slk->labcnt; ++i) {
+		    FreeIfNeeded(sp->_slk->ent[i].ent_text);
+		    FreeIfNeeded(sp->_slk->ent[i].form_text);
+		}
+		free(sp->_slk->ent);
 	    }
-	    free(sp->_slk->ent);
+	    free(sp->_slk);
+	    sp->_slk = 0;
 	}
-	free(sp->_slk);
-	sp->_slk = 0;
-    }
 
-    _nc_free_keytry(sp->_keytry);
-    sp->_keytry = 0;
+	_nc_free_keytry(sp->_keytry);
+	sp->_keytry = 0;
 
-    _nc_free_keytry(sp->_key_ok);
-    sp->_key_ok = 0;
+	_nc_free_keytry(sp->_key_ok);
+	sp->_key_ok = 0;
 
-    FreeIfNeeded(sp->_current_attr);
+	FreeIfNeeded(sp->_current_attr);
 
-    FreeIfNeeded(sp->_color_table);
-    FreeIfNeeded(sp->_color_pairs);
+	FreeIfNeeded(sp->_color_table);
+	FreeIfNeeded(sp->_color_pairs);
 
-    FreeIfNeeded(sp->oldhash);
-    FreeIfNeeded(sp->newhash);
-    FreeIfNeeded(sp->hashtab);
+	FreeIfNeeded(sp->oldhash);
+	FreeIfNeeded(sp->newhash);
+	FreeIfNeeded(sp->hashtab);
 
-    FreeIfNeeded(sp->_acs_map);
-    FreeIfNeeded(sp->_screen_acs_map);
+	FreeIfNeeded(sp->_acs_map);
+	FreeIfNeeded(sp->_screen_acs_map);
 
-    del_curterm(sp->_term);
+	del_curterm(sp->_term);
 
-    /*
-     * If the associated output stream has been closed, we can discard the
-     * set-buffer.  Limit the error check to EBADF, since fflush may fail
-     * for other reasons than trying to operate upon a closed stream.
-     */
-    if (sp->_ofp != 0
-	&& sp->_setbuf != 0
-	&& fflush(sp->_ofp) != 0
-	&& errno == EBADF) {
-	free(sp->_setbuf);
-    }
+	/*
+	 * If the associated output stream has been closed, we can discard the
+	 * set-buffer.  Limit the error check to EBADF, since fflush may fail
+	 * for other reasons than trying to operate upon a closed stream.
+	 */
+	if (sp->_ofp != 0
+	    && sp->_setbuf != 0
+	    && fflush(sp->_ofp) != 0
+	    && errno == EBADF) {
+	    free(sp->_setbuf);
+	}
 
-    free(sp);
+	free(sp);
 
-    /*
-     * If this was the current screen, reset everything that the
-     * application might try to use (except cur_term, which may have
-     * multiple references in different screens).
-     */
-    if (sp == SP) {
+	/*
+	 * If this was the current screen, reset everything that the
+	 * application might try to use (except cur_term, which may have
+	 * multiple references in different screens).
+	 */
+	if (sp == SP) {
 #if !USE_REENTRANT
-	curscr = 0;
-	newscr = 0;
-	stdscr = 0;
-	COLORS = 0;
-	COLOR_PAIRS = 0;
+	    curscr = 0;
+	    newscr = 0;
+	    stdscr = 0;
+	    COLORS = 0;
+	    COLOR_PAIRS = 0;
 #endif
-	_nc_set_screen(0);
+	    _nc_set_screen(0);
+	}
     }
     _nc_unlock_global(set_SP);
 
@@ -254,7 +280,7 @@ _nc_setupscreen(int slines GCC_UNUSED,
     /*
      * We should always check the screensize, just in case.
      */
-    _nc_get_screensize(&slines, &scolumns);
+    _nc_get_screensize(SP, &slines, &scolumns);
     SET_LINES(slines);
     SET_COLS(scolumns);
     T((T_CREATE("screen %s %dx%d"), termname(), LINES, COLS));
@@ -512,8 +538,6 @@ _nc_setupscreen(int slines GCC_UNUSED,
     _nc_idcok = TRUE;
     _nc_idlok = FALSE;
 
-    _nc_windows = 0;		/* no windows yet */
-
     SP->oldhash = 0;
     SP->newhash = 0;
 
diff --git a/contrib/ncurses/ncurses/base/lib_ungetch.c b/contrib/ncurses/ncurses/base/lib_ungetch.c
index 9570a33edc5e..2eda99017bed 100644
--- a/contrib/ncurses/ncurses/base/lib_ungetch.c
+++ b/contrib/ncurses/ncurses/base/lib_ungetch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2002,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -29,6 +29,7 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
 /*
@@ -40,42 +41,50 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_ungetch.c,v 1.9 2007/09/29 21:49:56 tom Exp $")
+MODULE_ID("$Id: lib_ungetch.c,v 1.10 2008/05/03 20:20:58 tom Exp $")
 
 #include <fifo_defs.h>
 
 #ifdef TRACE
 NCURSES_EXPORT(void)
-_nc_fifo_dump(void)
+_nc_fifo_dump(SCREEN *sp)
 {
     int i;
     T(("head = %d, tail = %d, peek = %d", head, tail, peek));
     for (i = 0; i < 10; i++)
-	T(("char %d = %s", i, _tracechar(SP->_fifo[i])));
+	T(("char %d = %s", i, _tracechar(sp->_fifo[i])));
 }
 #endif /* TRACE */
 
 NCURSES_EXPORT(int)
-ungetch(int ch)
+_nc_ungetch(SCREEN *sp, int ch)
 {
-    T((T_CALLED("ungetch(%s)"), _tracechar(ch)));
+    int rc = ERR;
 
-    if (tail == -1)
-	returnCode(ERR);
-    if (head == -1) {
-	head = 0;
-	t_inc()
+    if (tail != -1) {
+	if (head == -1) {
+	    head = 0;
+	    t_inc();
 	    peek = tail;	/* no raw keys */
-    } else
-	h_dec();
+	} else
+	    h_dec();
 
-    SP->_fifo[head] = ch;
-    T(("ungetch %s ok", _tracechar(ch)));
+	sp->_fifo[head] = ch;
+	T(("ungetch %s ok", _tracechar(ch)));
 #ifdef TRACE
-    if (USE_TRACEF(TRACE_IEVENT)) {
-	_nc_fifo_dump();
-	_nc_unlock_global(tracef);
-    }
+	if (USE_TRACEF(TRACE_IEVENT)) {
+	    _nc_fifo_dump(sp);
+	    _nc_unlock_global(tracef);
+	}
 #endif
-    returnCode(OK);
+	rc = OK;
+    }
+    return rc;
+}
+
+NCURSES_EXPORT(int)
+ungetch(int ch)
+{
+    T((T_CALLED("ungetch(%s)"), _tracechar(ch)));
+    returnCode(_nc_ungetch(SP, ch));
 }
diff --git a/contrib/ncurses/ncurses/base/lib_window.c b/contrib/ncurses/ncurses/base/lib_window.c
index 530b08e5ed1f..ac61cb01da99 100644
--- a/contrib/ncurses/ncurses/base/lib_window.c
+++ b/contrib/ncurses/ncurses/base/lib_window.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_window.c,v 1.23 2007/06/30 23:36:11 tom Exp $")
+MODULE_ID("$Id: lib_window.c,v 1.24 2008/04/12 22:40:21 tom Exp $")
 
 NCURSES_EXPORT(void)
 _nc_synchook(WINDOW *win)
@@ -186,6 +186,7 @@ dupwin(WINDOW *win)
 
     if (win != 0) {
 
+	_nc_lock_window(win);
 	if (win->_flags & _ISPAD) {
 	    nwin = newpad(win->_maxy + 1,
 			  win->_maxx + 1);
@@ -243,6 +244,7 @@ dupwin(WINDOW *win)
 		nwin->_line[i].lastchar = win->_line[i].lastchar;
 	    }
 	}
+	_nc_unlock_window(win);
     }
     returnWin(nwin);
 }
diff --git a/contrib/ncurses/ncurses/base/resizeterm.c b/contrib/ncurses/ncurses/base/resizeterm.c
index eb2dd737f94c..cf2c998e239f 100644
--- a/contrib/ncurses/ncurses/base/resizeterm.c
+++ b/contrib/ncurses/ncurses/base/resizeterm.c
@@ -41,7 +41,7 @@
 #include <curses.priv.h>
 #include <term.h>
 
-MODULE_ID("$Id: resizeterm.c,v 1.30 2008/01/12 22:26:56 tom Exp $")
+MODULE_ID("$Id: resizeterm.c,v 1.32 2008/05/03 14:28:55 tom Exp $")
 
 #define stolen_lines (screen_lines - SP->_lines_avail)
 
@@ -69,7 +69,7 @@ show_window_sizes(const char *name)
     _nc_lock_global(windowlist);
     _tracef("%s resizing: %2d x %2d (%2d x %2d)", name, LINES, COLS,
 	    screen_lines, screen_columns);
-    for (wp = _nc_windows; wp != 0; wp = wp->next) {
+    for (each_window(wp)) {
 	_tracef("  window %p is %2ld x %2ld at %2ld,%2ld",
 		&(wp->win),
 		(long) wp->win._maxy + 1,
@@ -104,7 +104,7 @@ ripped_window(WINDOW *win)
     ripoff_t *rop;
 
     if (win != 0) {
-	for (rop = ripoff_stack; (rop - ripoff_stack) < N_RIPS; rop++) {
+	for (each_ripoff(rop)) {
 	    if (rop->win == win && rop->line != 0) {
 		result = rop;
 		break;
@@ -125,7 +125,7 @@ ripped_bottom(WINDOW *win)
     ripoff_t *rop;
 
     if (win != 0) {
-	for (rop = ripoff_stack; (rop - ripoff_stack) < N_RIPS; rop++) {
+	for (each_ripoff(rop)) {
 	    if (rop->line < 0) {
 		result -= rop->line;
 		if (rop->win == win) {
@@ -148,7 +148,7 @@ child_depth(WINDOW *cmp)
     if (cmp != 0) {
 	WINDOWLIST *wp;
 
-	for (wp = _nc_windows; wp != 0; wp = wp->next) {
+	for (each_window(wp)) {
 	    WINDOW *tst = &(wp->win);
 	    if (tst->_parent == cmp) {
 		depth = 1 + child_depth(tst);
@@ -251,7 +251,7 @@ decrease_size(int ToLines, int ToCols, int stolen EXTRA_DCLS)
 	found = FALSE;
 	TR(TRACE_UPDATE, ("decreasing size of windows to %dx%d, depth=%d",
 			  ToLines, ToCols, depth));
-	for (wp = _nc_windows; wp != 0; wp = wp->next) {
+	for (each_window(wp)) {
 	    WINDOW *win = &(wp->win);
 
 	    if (!(win->_flags & _ISPAD)) {
@@ -285,7 +285,7 @@ increase_size(int ToLines, int ToCols, int stolen EXTRA_DCLS)
 	found = FALSE;
 	TR(TRACE_UPDATE, ("increasing size of windows to %dx%d, depth=%d",
 			  ToLines, ToCols, depth));
-	for (wp = _nc_windows; wp != 0; wp = wp->next) {
+	for (each_window(wp)) {
 	    WINDOW *win = &(wp->win);
 
 	    if (!(win->_flags & _ISPAD)) {
@@ -428,7 +428,7 @@ resizeterm(int ToLines, int ToCols)
 	     * decide which to repaint, since without panels, ncurses does
 	     * not know which are really on top.
 	     */
-	    for (rop = ripoff_stack; (rop - ripoff_stack) < N_RIPS; rop++) {
+	    for (each_ripoff(rop)) {
 		if (rop->win != stdscr
 		    && rop->win != 0
 		    && rop->line < 0) {
diff --git a/contrib/ncurses/ncurses/base/use_window.c b/contrib/ncurses/ncurses/base/use_window.c
index 4c9b1375f288..4d0fdf6705be 100644
--- a/contrib/ncurses/ncurses/base/use_window.c
+++ b/contrib/ncurses/ncurses/base/use_window.c
@@ -32,31 +32,29 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: use_window.c,v 1.3 2008/01/13 00:36:22 tom Exp $")
+MODULE_ID("$Id: use_window.c,v 1.7 2008/05/03 14:09:38 tom Exp $")
 
 #ifdef USE_PTHREADS
 NCURSES_EXPORT(void)
-_nc_lock_window(WINDOW *win)
+_nc_lock_window(const WINDOW *win)
 {
     WINDOWLIST *p;
 
     _nc_lock_global(windowlist);
-    for (p = _nc_windows; p != 0; p = p->next) {
+    for (each_window(p)) {
 	if (&(p->win) == win) {
 	    _nc_mutex_lock(&(p->mutex_use_window));
 	    break;
 	}
     }
-    _nc_unlock_global(windowlist);
 }
 
 NCURSES_EXPORT(void)
-_nc_unlock_window(WINDOW *win)
+_nc_unlock_window(const WINDOW *win)
 {
     WINDOWLIST *p;
 
-    _nc_lock_global(windowlist);
-    for (p = _nc_windows; p != 0; p = p->next) {
+    for (each_window(p)) {
 	if (&(p->win) == win) {
 	    _nc_mutex_unlock(&(p->mutex_use_window));
 	    break;
@@ -67,7 +65,7 @@ _nc_unlock_window(WINDOW *win)
 #endif
 
 NCURSES_EXPORT(int)
-use_window(WINDOW *win, NCURSES_CALLBACK func, void *data)
+use_window(WINDOW *win, NCURSES_WINDOW_CB func, void *data)
 {
     int code = OK;
 
diff --git a/contrib/ncurses/ncurses/base/wresize.c b/contrib/ncurses/ncurses/base/wresize.c
index f756f0f237f7..ac808c4d2884 100644
--- a/contrib/ncurses/ncurses/base/wresize.c
+++ b/contrib/ncurses/ncurses/base/wresize.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -32,7 +32,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: wresize.c,v 1.27 2007/12/22 23:20:53 tom Exp $")
+MODULE_ID("$Id: wresize.c,v 1.28 2008/05/03 14:13:51 tom Exp $")
 
 static int
 cleanup_lines(struct ldat *data, int length)
@@ -56,7 +56,7 @@ repair_subwindows(WINDOW *cmp)
 
     _nc_lock_global(windowlist);
 
-    for (wp = _nc_windows; wp != 0; wp = wp->next) {
+    for (each_window(wp)) {
 	WINDOW *tst = &(wp->win);
 
 	if (tst->_parent == cmp) {
diff --git a/contrib/ncurses/ncurses/curses.priv.h b/contrib/ncurses/ncurses/curses.priv.h
index 1e748eeca7a6..422c74cb2a3f 100644
--- a/contrib/ncurses/ncurses/curses.priv.h
+++ b/contrib/ncurses/ncurses/curses.priv.h
@@ -34,7 +34,7 @@
 
 
 /*
- * $Id: curses.priv.h,v 1.357 2008/01/13 00:33:10 tom Exp $
+ * $Id: curses.priv.h,v 1.373 2008/05/03 23:30:35 tom Exp $
  *
  *	curses.priv.h
  *
@@ -312,8 +312,10 @@ color_t;
 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
 
 #ifdef USE_PTHREADS
+
 #if USE_REENTRANT
 #include <pthread.h>
+extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
@@ -321,13 +323,22 @@ extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
 #define _nc_try_global(name)    _nc_mutex_trylock(&_nc_globals.mutex_##name)
 #define _nc_unlock_global(name)	_nc_mutex_unlock(&_nc_globals.mutex_##name)
 
-extern NCURSES_EXPORT(void) _nc_lock_window(WINDOW *);
-extern NCURSES_EXPORT(void) _nc_unlock_window(WINDOW *);
+extern NCURSES_EXPORT(void) _nc_lock_window(const WINDOW *);
+extern NCURSES_EXPORT(void) _nc_unlock_window(const WINDOW *);
 
 #else
 #error POSIX threads requires --enable-reentrant option
 #endif
-#else
+
+#if HAVE_NANOSLEEP
+#undef HAVE_NANOSLEEP
+#define HAVE_NANOSLEEP 0	/* nanosleep suspends all threads */
+#endif
+
+#else /* !USE_PTHREADS */
+
+#define _nc_mutex_init(obj)	/* nothing */
+
 #define _nc_lock_global(name)	/* nothing */
 #define _nc_try_global(name)    0
 #define _nc_unlock_global(name)	/* nothing */
@@ -335,10 +346,15 @@ extern NCURSES_EXPORT(void) _nc_unlock_window(WINDOW *);
 #define _nc_lock_window(name)	(void) TRUE
 #define _nc_unlock_window(name)	/* nothing */
 
-#endif
+#endif /* USE_PTHREADS */
 
-#define _nc_lock_screen(name)	/* nothing */
-#define _nc_unlock_screen(name)	/* nothing */
+#if HAVE_GETTIMEOFDAY
+# define PRECISE_GETTIME 1
+# define TimeType struct timeval
+#else
+# define PRECISE_GETTIME 0
+# define TimeType time_t
+#endif
 
 /*
  * Definitions for color pairs
@@ -552,6 +568,9 @@ typedef struct {
 	int		tgetent_index;
 	long		tgetent_sequence;
 
+	WINDOWLIST	*_nc_windowlist;
+#define _nc_windows	_nc_globals._nc_windowlist
+
 #if USE_HOME_TERMINFO
 	char		*home_terminfo;
 #endif
@@ -583,11 +602,9 @@ typedef struct {
 	unsigned char	*tracetry_buf;
 	size_t		tracetry_used;
 
-#ifndef USE_TERMLIB
 	char		traceatr_color_buf[2][80];
 	int		traceatr_color_sel;
 	int		traceatr_color_last;
-#endif	/* USE_TERMLIB */
 
 #endif	/* TRACE */
 
@@ -607,7 +624,7 @@ extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
 #define N_RIPS 5
 
 /*
- * Global data which is swept up into a SCREEN when one is created.
+ * Global data which can be swept up into a SCREEN when one is created.
  * It may be modified before the next SCREEN is created.
  */
 typedef struct {
@@ -823,12 +840,6 @@ struct screen {
 	 * per screen basis.
 	 */
 	struct panelhook _panelHook;
-	/*
-	 * Linked-list of all windows, to support '_nc_resizeall()' and
-	 * '_nc_freeall()'
-	 */
-	WINDOWLIST	*_nc_sp_windows;
-#define _nc_windows SP->_nc_sp_windows
 
 	bool		_sig_winch;
 	SCREEN		*_next_screen;
@@ -852,7 +863,7 @@ struct screen {
 	int		_LINES;
 	int		_COLS;
 #ifdef TRACE
-	int		_outchars;
+	long		_outchars;
 	const char	*_tputs_trace;
 #endif
 #endif
@@ -1154,6 +1165,13 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #endif
 
 /*
+ * Standardize/simplify common loops
+ */
+#define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
+#define each_window(p) p = _nc_windows; p != 0; p = (p)->next
+#define each_ripoff(p) p = ripoff_stack; (p - ripoff_stack) < N_RIPS; ++p
+
+/*
  * Prefixes for call/return points of library function traces.  We use these to
  * instrument the public functions so that the traces can be easily transformed
  * into regression scripts.
@@ -1221,7 +1239,7 @@ extern NCURSES_EXPORT(const char *)     _nc_retrace_cptr (const char *);
 extern NCURSES_EXPORT(int)              _nc_retrace_int (int);
 extern NCURSES_EXPORT(unsigned)         _nc_retrace_unsigned (unsigned);
 extern NCURSES_EXPORT(void *)           _nc_retrace_void_ptr (void *);
-extern NCURSES_EXPORT(void)             _nc_fifo_dump (void);
+extern NCURSES_EXPORT(void)             _nc_fifo_dump (SCREEN *);
 
 #if USE_REENTRANT
 NCURSES_WRAPPED_VAR(long, _nc_outchars);
@@ -1462,15 +1480,18 @@ extern NCURSES_EXPORT(char *) _nc_get_locale(void);
 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void);
 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
-extern NCURSES_EXPORT(void) _nc_get_screensize(int *, int *);
+extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *);
 
 /* lib_tstp.c */
 #if USE_SIGWINCH
-extern NCURSES_EXPORT(int) _nc_handle_sigwinch(int);
+extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
 #else
 #define _nc_handle_sigwinch(a) /* nothing */
 #endif
 
+/* lib_ungetch.c */
+extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
+
 /* lib_wacs.c */
 #if USE_WIDEC_SUPPORT
 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
@@ -1513,18 +1534,18 @@ extern NCURSES_EXPORT(int) _nc_access (const char *, int);
 extern NCURSES_EXPORT(int) _nc_baudrate (int);
 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
-extern NCURSES_EXPORT(int) _nc_keypad (bool);
+extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool);
 extern NCURSES_EXPORT(int) _nc_ospeed (int);
 extern NCURSES_EXPORT(int) _nc_outch (int);
 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
-extern NCURSES_EXPORT(int) _nc_timed_wait(int, int, int * EVENTLIST_2nd(_nc_eventlist *));
+extern NCURSES_EXPORT(int) _nc_timed_wait(SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int));
 extern NCURSES_EXPORT(void) _nc_flush (void);
 extern NCURSES_EXPORT(void) _nc_free_entry(ENTRY *, TERMTYPE *);
 extern NCURSES_EXPORT(void) _nc_freeall (void);
 extern NCURSES_EXPORT(void) _nc_hash_map (void);
-extern NCURSES_EXPORT(void) _nc_init_keytry (void);
+extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
@@ -1556,7 +1577,7 @@ extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
 #endif
 
 #if USE_SIZECHANGE
-extern NCURSES_EXPORT(void) _nc_update_screensize (void);
+extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
 #endif
 
 #if HAVE_RESIZETERM
diff --git a/contrib/ncurses/ncurses/fifo_defs.h b/contrib/ncurses/ncurses/fifo_defs.h
index 67799577aead..9655b417d6e7 100644
--- a/contrib/ncurses/ncurses/fifo_defs.h
+++ b/contrib/ncurses/ncurses/fifo_defs.h
@@ -34,21 +34,21 @@
 /*
  * Common macros for lib_getch.c, lib_ungetch.c
  *
- * $Id: fifo_defs.h,v 1.4 2002/03/16 20:47:50 tom Exp $
+ * $Id: fifo_defs.h,v 1.5 2008/05/03 20:08:16 tom Exp $
  */
 
 #ifndef FIFO_DEFS_H
 #define FIFO_DEFS_H 1
 
-#define head	SP->_fifohead
-#define tail	SP->_fifotail
+#define head	sp->_fifohead
+#define tail	sp->_fifotail
 /* peek points to next uninterpreted character */
-#define peek	SP->_fifopeek
+#define peek	sp->_fifopeek
 
 #define h_inc() { head == FIFO_SIZE-1 ? head = 0 : head++; if (head == tail) head = -1, tail = 0;}
 #define h_dec() { head == 0 ? head = FIFO_SIZE-1 : head--; if (head == tail) tail = -1;}
 #define t_inc() { tail == FIFO_SIZE-1 ? tail = 0 : tail++; if (tail == head) tail = -1;}
-#define t_dec() { tail == 0 ? tail = FIFO_SIZE-1 : tail--; if (head == tail) fifo_clear();}
+#define t_dec() { tail == 0 ? tail = FIFO_SIZE-1 : tail--; if (head == tail) fifo_clear(sp);}
 #define p_inc() { peek == FIFO_SIZE-1 ? peek = 0 : peek++;}
 
 #define cooked_key_in_fifo()	((head != -1) && (peek != head))
diff --git a/contrib/ncurses/ncurses/tinfo/init_keytry.c b/contrib/ncurses/ncurses/tinfo/init_keytry.c
index d20321061554..d30d3ed16a87 100644
--- a/contrib/ncurses/ncurses/tinfo/init_keytry.c
+++ b/contrib/ncurses/ncurses/tinfo/init_keytry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2005,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2006,2008 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            *
@@ -36,7 +36,7 @@
 
 #include <term_entry.h>
 
-MODULE_ID("$Id: init_keytry.c,v 1.10 2007/04/29 22:57:50 tom Exp $")
+MODULE_ID("$Id: init_keytry.c,v 1.11 2008/05/03 23:09:15 tom Exp $")
 
 /*
 **      _nc_init_keytry()
@@ -64,19 +64,19 @@ _nc_tinfo_fkeysf(void)
 #endif
 
 NCURSES_EXPORT(void)
-_nc_init_keytry(void)
+_nc_init_keytry(SCREEN *sp)
 {
     size_t n;
 
-    /* The SP->_keytry value is initialized in newterm(), where the SP
+    /* The sp->_keytry value is initialized in newterm(), where the sp
      * structure is created, because we can not tell where keypad() or
      * mouse_activate() (which will call keyok()) are first called.
      */
 
-    if (SP != 0) {
+    if (sp != 0) {
 	for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
 	    if (_nc_tinfo_fkeys[n].offset < STRCOUNT) {
-		(void) _nc_add_to_try(&(SP->_keytry),
+		(void) _nc_add_to_try(&(sp->_keytry),
 				      CUR Strings[_nc_tinfo_fkeys[n].offset],
 				      _nc_tinfo_fkeys[n].code);
 	    }
@@ -88,7 +88,7 @@ _nc_init_keytry(void)
 	 * names.
 	 */
 	{
-	    TERMTYPE *tp = &(SP->_term->type);
+	    TERMTYPE *tp = &(sp->_term->type);
 	    for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) {
 		const char *name = ExtStrname(tp, n, strnames);
 		char *value = tp->Strings[n];
@@ -96,7 +96,7 @@ _nc_init_keytry(void)
 		    && *name == 'k'
 		    && value != 0
 		    && key_defined(value) == 0) {
-		    (void) _nc_add_to_try(&(SP->_keytry),
+		    (void) _nc_add_to_try(&(sp->_keytry),
 					  value,
 					  n - STRCOUNT + KEY_MAX);
 		}
@@ -104,7 +104,7 @@ _nc_init_keytry(void)
 	}
 #endif
 #ifdef TRACE
-	_nc_trace_tries(SP->_keytry);
+	_nc_trace_tries(sp->_keytry);
 #endif
     }
 }
diff --git a/contrib/ncurses/ncurses/tinfo/lib_data.c b/contrib/ncurses/ncurses/tinfo/lib_data.c
index 21b854b92b6f..ba37e5dc8c49 100644
--- a/contrib/ncurses/ncurses/tinfo/lib_data.c
+++ b/contrib/ncurses/ncurses/tinfo/lib_data.c
@@ -41,7 +41,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_data.c,v 1.39 2008/01/13 01:21:59 tom Exp $")
+MODULE_ID("$Id: lib_data.c,v 1.43 2008/03/29 21:16:49 tom Exp $")
 
 /*
  * OS/2's native linker complains if we don't initialize public data when
@@ -109,7 +109,7 @@ NCURSES_EXPORT_VAR(SCREEN *) SP = NULL; /* Some linkers require initialized data
 #define CHARS_0s { '\0' }
 
 #define TGETENT_0 { 0L, FALSE, NULL, NULL, NULL }
-#define TGETENT_0s { TGETENT_0, TGETENT_0, TGETENT_0, TGETENT_0 } 
+#define TGETENT_0s { TGETENT_0, TGETENT_0, TGETENT_0, TGETENT_0 }
 
 NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     0,				/* have_sigwinch */
@@ -140,6 +140,8 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     0,				/* tgetent_index */
     0,				/* tgetent_sequence */
 
+    0,				/* _nc_windowlist */
+
 #if USE_HOME_TERMINFO
     NULL,			/* home_terminfo */
 #endif
@@ -171,11 +173,9 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     NULL,			/* tracetry_buf */
     0,				/* tracetry_used */
 
-#ifndef USE_TERMLIB
     { CHARS_0s, CHARS_0s },	/* traceatr_color_buf */
     0,				/* traceatr_color_sel */
     -1,				/* traceatr_color_last */
-#endif /* USE_TERMLIB */
 
 #endif /* TRACE */
 #ifdef USE_PTHREADS
@@ -236,21 +236,59 @@ NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
 
 /******************************************************************************/
 #ifdef USE_PTHREADS
+static void
+init_global_mutexes(void)
+{
+    static bool initialized = FALSE;
+
+    if (!initialized) {
+	initialized = TRUE;
+	_nc_mutex_init(&_nc_globals.mutex_set_SP);
+	_nc_mutex_init(&_nc_globals.mutex_use_screen);
+	_nc_mutex_init(&_nc_globals.mutex_use_window);
+	_nc_mutex_init(&_nc_globals.mutex_windowlist);
+	_nc_mutex_init(&_nc_globals.mutex_tst_tracef);
+	_nc_mutex_init(&_nc_globals.mutex_tracef);
+    }
+}
+
+/*
+ * Use recursive mutexes if we have them - they're part of Unix98.
+ * For the cases where we do not, _nc_mutex_trylock() is used to avoid a
+ * deadlock, at the expense of memory leaks and unexpected failures that
+ * may not be handled by typical clients.
+ *
+ * FIXME - need configure check for PTHREAD_MUTEX_RECURSIVE, define it to
+ * PTHREAD_MUTEX_NORMAL if not supported.
+ */
+NCURSES_EXPORT(void)
+_nc_mutex_init(pthread_mutex_t * obj)
+{
+    pthread_mutexattr_t recattr;
+
+    memset(&recattr, 0, sizeof(recattr));
+    pthread_mutexattr_settype(&recattr, PTHREAD_MUTEX_RECURSIVE);
+    pthread_mutex_init(obj, &recattr);
+}
+
 NCURSES_EXPORT(int)
-_nc_mutex_lock(pthread_mutex_t *obj)
+_nc_mutex_lock(pthread_mutex_t * obj)
 {
+    init_global_mutexes();
     return pthread_mutex_lock(obj);
 }
 
 NCURSES_EXPORT(int)
-_nc_mutex_trylock(pthread_mutex_t *obj)
+_nc_mutex_trylock(pthread_mutex_t * obj)
 {
+    init_global_mutexes();
     return pthread_mutex_trylock(obj);
 }
 
 NCURSES_EXPORT(int)
-_nc_mutex_unlock(pthread_mutex_t *obj)
+_nc_mutex_unlock(pthread_mutex_t * obj)
 {
+    init_global_mutexes();
     return pthread_mutex_unlock(obj);
 }
 #endif /* USE_PTHREADS */
diff --git a/contrib/ncurses/ncurses/tinfo/lib_napms.c b/contrib/ncurses/ncurses/tinfo/lib_napms.c
index 926afa836db4..417b3b4b4dbc 100644
--- a/contrib/ncurses/ncurses/tinfo/lib_napms.c
+++ b/contrib/ncurses/ncurses/tinfo/lib_napms.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2003,2005 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2005,2008 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            *
@@ -49,7 +49,7 @@
 #endif
 #endif
 
-MODULE_ID("$Id: lib_napms.c,v 1.15 2005/04/03 13:58:14 tom Exp $")
+MODULE_ID("$Id: lib_napms.c,v 1.17 2008/05/03 21:34:13 tom Exp $")
 
 NCURSES_EXPORT(int)
 napms(int ms)
@@ -67,7 +67,7 @@ napms(int ms)
 	}
     }
 #else
-    _nc_timed_wait(0, ms, (int *) 0 EVENTLIST_2nd(0));
+    _nc_timed_wait(0, 0, ms, (int *) 0 EVENTLIST_2nd(0));
 #endif
 
     returnCode(OK);
diff --git a/contrib/ncurses/ncurses/tinfo/lib_options.c b/contrib/ncurses/ncurses/tinfo/lib_options.c
index 5cdd1d468077..98aae24baacb 100644
--- a/contrib/ncurses/ncurses/tinfo/lib_options.c
+++ b/contrib/ncurses/ncurses/tinfo/lib_options.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2006,2008 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            *
@@ -43,7 +43,7 @@
 
 #include <term.h>
 
-MODULE_ID("$Id: lib_options.c,v 1.50 2006/12/30 16:03:27 tom Exp $")
+MODULE_ID("$Id: lib_options.c,v 1.52 2008/05/03 23:09:20 tom Exp $")
 
 NCURSES_EXPORT(int)
 idlok(WINDOW *win, bool flag)
@@ -126,7 +126,7 @@ keypad(WINDOW *win, bool flag)
 
     if (win) {
 	win->_use_keypad = flag;
-	returnCode(_nc_keypad(flag));
+	returnCode(_nc_keypad(SP, flag));
     } else
 	returnCode(ERR);
 }
@@ -220,7 +220,7 @@ typeahead(int fd)
 
 #if NCURSES_EXT_FUNCS
 static int
-has_key_internal(int keycode, TRIES *tp)
+has_key_internal(int keycode, TRIES * tp)
 {
     if (tp == 0)
 	return (FALSE);
@@ -247,7 +247,7 @@ has_key(int keycode)
  * the terminal state _before_ switching modes.
  */
 NCURSES_EXPORT(int)
-_nc_keypad(bool flag)
+_nc_keypad(SCREEN *sp, bool flag)
 {
     if (flag && keypad_xmit) {
 	TPUTS_TRACE("keypad_xmit");
@@ -259,12 +259,12 @@ _nc_keypad(bool flag)
 	_nc_flush();
     }
 
-    if (SP != 0) {
-	if (flag && !SP->_tried) {
-	    _nc_init_keytry();
-	    SP->_tried = TRUE;
+    if (sp != 0) {
+	if (flag && !sp->_tried) {
+	    _nc_init_keytry(sp);
+	    sp->_tried = TRUE;
 	}
-	SP->_keypad_on = flag;
+	sp->_keypad_on = flag;
     }
     return (OK);
 }
diff --git a/contrib/ncurses/ncurses/tinfo/lib_setup.c b/contrib/ncurses/ncurses/tinfo/lib_setup.c
index a376fc60275b..08cb783c5942 100644
--- a/contrib/ncurses/ncurses/tinfo/lib_setup.c
+++ b/contrib/ncurses/ncurses/tinfo/lib_setup.c
@@ -53,7 +53,7 @@
 
 #include <term.h>		/* lines, columns, cur_term */
 
-MODULE_ID("$Id: lib_setup.c,v 1.102 2008/01/19 21:07:45 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.105 2008/05/03 22:41:42 tom Exp $")
 
 /****************************************************************************
  *
@@ -154,23 +154,19 @@ set_tabsize(int value)
  * If we have a pending SIGWINCH, set the flag in each screen.
  */
 NCURSES_EXPORT(int)
-_nc_handle_sigwinch(int update)
+_nc_handle_sigwinch(SCREEN *sp)
 {
     SCREEN *scan;
 
-    (void) update;		/* no longer used */
-
     if (_nc_globals.have_sigwinch) {
 	_nc_globals.have_sigwinch = 0;
 
-	scan = _nc_screen_chain;
-	while (scan) {
+	for (each_screen(scan)) {
 	    scan->_sig_winch = TRUE;
-	    scan = scan->_next_screen;
 	}
     }
 
-    return (SP ? SP->_sig_winch : 0);
+    return (sp ? sp->_sig_winch : 0);
 }
 
 #endif
@@ -184,7 +180,7 @@ use_env(bool f)
 }
 
 NCURSES_EXPORT(void)
-_nc_get_screensize(int *linep, int *colp)
+_nc_get_screensize(SCREEN *sp, int *linep, int *colp)
 /* Obtain lines/columns values from the environment and/or terminfo entry */
 {
     int my_tabsize;
@@ -238,7 +234,7 @@ _nc_get_screensize(int *linep, int *colp)
 		 * environment variable.
 		 */
 		if (*linep <= 0)
-		    *linep = (SP != 0 && SP->_filtered) ? 1 : WINSIZE_ROWS(size);
+		    *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size);
 		if (*colp <= 0)
 		    *colp = WINSIZE_COLS(size);
 	    }
@@ -279,8 +275,8 @@ _nc_get_screensize(int *linep, int *colp)
 	my_tabsize = 8;
 
 #if USE_REENTRANT
-    if (SP != 0)
-	SP->_TABSIZE = my_tabsize;
+    if (sp != 0)
+	sp->_TABSIZE = my_tabsize;
 #else
     TABSIZE = my_tabsize;
 #endif
@@ -289,25 +285,25 @@ _nc_get_screensize(int *linep, int *colp)
 
 #if USE_SIZECHANGE
 NCURSES_EXPORT(void)
-_nc_update_screensize(void)
+_nc_update_screensize(SCREEN *sp)
 {
     int old_lines = lines;
     int new_lines;
     int old_cols = columns;
     int new_cols;
 
-    _nc_get_screensize(&new_lines, &new_cols);
+    _nc_get_screensize(sp, &new_lines, &new_cols);
 
     /*
      * See is_term_resized() and resizeterm().
      * We're doing it this way because those functions belong to the upper
      * ncurses library, while this resides in the lower terminfo library.
      */
-    if (SP != 0
-	&& SP->_resize != 0) {
+    if (sp != 0
+	&& sp->_resize != 0) {
 	if ((new_lines != old_lines) || (new_cols != old_cols))
-	    SP->_resize(new_lines, new_cols);
-	SP->_sig_winch = FALSE;
+	    sp->_resize(new_lines, new_cols);
+	sp->_sig_winch = FALSE;
     }
 }
 #endif
@@ -590,10 +586,11 @@ _nc_setupterm(NCURSES_CONST char *tname, int Filedes, int *errret, bool reuse)
      * We should always check the screensize, just in case.
      */
 #if USE_REENTRANT
-    _nc_get_screensize(SP ? &(SP->_LINES) : &(_nc_prescreen._LINES),
+    _nc_get_screensize(SP,
+		       SP ? &(SP->_LINES) : &(_nc_prescreen._LINES),
 		       SP ? &(SP->_COLS) : &(_nc_prescreen._COLS));
 #else
-    _nc_get_screensize(&LINES, &COLS);
+    _nc_get_screensize(SP, &LINES, &COLS);
 #endif
 
     if (errret)
diff --git a/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c b/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c
index 4cbbf504a0c7..2cb9fd67b4dd 100644
--- a/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c
+++ b/contrib/ncurses/ncurses/tinfo/lib_ttyflags.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -38,7 +38,7 @@
 #include <curses.priv.h>
 #include <term.h>		/* cur_term */
 
-MODULE_ID("$Id: lib_ttyflags.c,v 1.15 2007/05/26 18:54:25 tom Exp $")
+MODULE_ID("$Id: lib_ttyflags.c,v 1.16 2008/05/03 22:39:03 tom Exp $")
 
 NCURSES_EXPORT(int)
 _nc_get_tty_mode(TTY * buf)
@@ -147,7 +147,7 @@ reset_prog_mode(void)
 	if (_nc_set_tty_mode(&cur_term->Nttyb) == OK) {
 	    if (SP) {
 		if (SP->_keypad_on)
-		    _nc_keypad(TRUE);
+		    _nc_keypad(SP, TRUE);
 		NC_BUFFERED(TRUE);
 	    }
 	    returnCode(OK);
@@ -163,7 +163,7 @@ reset_shell_mode(void)
 
     if (cur_term != 0) {
 	if (SP) {
-	    _nc_keypad(FALSE);
+	    _nc_keypad(SP, FALSE);
 	    _nc_flush();
 	    NC_BUFFERED(FALSE);
 	}
diff --git a/contrib/ncurses/ncurses/tinfo/use_screen.c b/contrib/ncurses/ncurses/tinfo/use_screen.c
index 27730b055c12..a4f34c0e4520 100644
--- a/contrib/ncurses/ncurses/tinfo/use_screen.c
+++ b/contrib/ncurses/ncurses/tinfo/use_screen.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2007 Free Software Foundation, Inc.                        *
+ * Copyright (c) 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            *
@@ -32,10 +32,10 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: use_screen.c,v 1.2 2007/09/08 21:46:48 tom Exp $")
+MODULE_ID("$Id: use_screen.c,v 1.4 2008/03/29 21:19:58 tom Exp $")
 
 NCURSES_EXPORT(int)
-use_screen(SCREEN *screen, NCURSES_CALLBACK func, void *data)
+use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data)
 {
     SCREEN *save_SP;
     int code = OK;
@@ -50,7 +50,7 @@ use_screen(SCREEN *screen, NCURSES_CALLBACK func, void *data)
     save_SP = SP;
     set_term(screen);
 
-    code = func(screen->_stdscr, data);
+    code = func(screen, data);
 
     set_term(save_SP);
     _nc_unlock_global(use_screen);
diff --git a/contrib/ncurses/ncurses/trace/lib_trace.c b/contrib/ncurses/ncurses/trace/lib_trace.c
index d634438a97ac..03acb16cba91 100644
--- a/contrib/ncurses/ncurses/trace/lib_trace.c
+++ b/contrib/ncurses/ncurses/trace/lib_trace.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -46,7 +46,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_trace.c,v 1.65 2007/09/29 21:47:46 tom Exp $")
+MODULE_ID("$Id: lib_trace.c,v 1.66 2008/03/22 16:56:48 tom Exp $")
 
 NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
 
@@ -167,6 +167,18 @@ _nc_va_tracef(const char *fmt, va_list ap)
     if (doit != 0) {
 	if (TraceFP == 0)
 	    TraceFP = stderr;
+#ifdef USE_PTHREADS
+	/*
+	 * TRACE_ICALLS is "really" needed to show normal use with threaded
+	 * applications, since anything can be running during a napms(),
+	 * making it appear in the hierarchical trace as it other functions
+	 * are being called.
+	 *
+	 * Rather than add the complication of a per-thread stack, just
+	 * show the thread-id in each line of the trace.
+	 */
+	fprintf(TraceFP, "%#lx:", (long) pthread_self());
+#endif
 	if (before || after) {
 	    int n;
 	    for (n = 1; n < TraceLevel; n++)
diff --git a/contrib/ncurses/ncurses/tty/lib_tstp.c b/contrib/ncurses/ncurses/tty/lib_tstp.c
index 2a341fa6ba29..06c8411caa4d 100644
--- a/contrib/ncurses/ncurses/tty/lib_tstp.c
+++ b/contrib/ncurses/ncurses/tty/lib_tstp.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -46,7 +46,7 @@
 #define _POSIX_SOURCE
 #endif
 
-MODULE_ID("$Id: lib_tstp.c,v 1.36 2007/04/21 19:51:29 tom Exp $")
+MODULE_ID("$Id: lib_tstp.c,v 1.37 2008/05/03 16:24:56 tom Exp $")
 
 #if defined(SIGTSTP) && (HAVE_SIGACTION || HAVE_SIGVEC)
 #define USE_SIGTSTP 1
@@ -252,19 +252,17 @@ cleanup(int sig)
 	if (signal(sig, SIG_IGN) != SIG_ERR)
 #endif
 	{
-	    SCREEN *scan = _nc_screen_chain;
-	    while (scan) {
-		if (SP != 0
-		    && SP->_ofp != 0
-		    && isatty(fileno(SP->_ofp))) {
-		    SP->_cleanup = TRUE;
-		    SP->_outch = _nc_outch;
+	    SCREEN *scan;
+	    for (each_screen(scan)) {
+		if (scan->_ofp != 0
+		    && isatty(fileno(scan->_ofp))) {
+		    scan->_cleanup = TRUE;
+		    scan->_outch = _nc_outch;
 		}
 		set_term(scan);
 		endwin();
 		if (SP)
 		    SP->_endwin = FALSE;	/* in case we have an atexit! */
-		scan = scan->_next_screen;
 	    }
 	}
     }
diff --git a/contrib/ncurses/ncurses/tty/lib_twait.c b/contrib/ncurses/ncurses/tty/lib_twait.c
index 1e4546dec0c0..6d46081862fd 100644
--- a/contrib/ncurses/ncurses/tty/lib_twait.c
+++ b/contrib/ncurses/ncurses/tty/lib_twait.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -62,15 +62,7 @@
 # endif
 #endif
 
-MODULE_ID("$Id: lib_twait.c,v 1.54 2007/08/11 16:32:48 tom Exp $")
-
-#if HAVE_GETTIMEOFDAY
-# define PRECISE_GETTIME 1
-# define TimeType struct timeval
-#else
-# define PRECISE_GETTIME 0
-# define TimeType time_t
-#endif
+MODULE_ID("$Id: lib_twait.c,v 1.57 2008/05/03 21:35:57 tom Exp $")
 
 static long
 _nc_gettime(TimeType * t0, bool first)
@@ -145,7 +137,8 @@ _nc_eventlist_timeout(_nc_eventlist * evl)
  * descriptors.
  */
 NCURSES_EXPORT(int)
-_nc_timed_wait(int mode,
+_nc_timed_wait(SCREEN *sp,
+	       int mode,
 	       int milliseconds,
 	       int *timeleft
 	       EVENTLIST_2nd(_nc_eventlist * evl))
@@ -207,12 +200,12 @@ _nc_timed_wait(int mode,
 #endif
 
     if (mode & 1) {
-	fds[count].fd = SP->_ifd;
+	fds[count].fd = sp->_ifd;
 	fds[count].events = POLLIN;
 	count++;
     }
     if ((mode & 2)
-	&& (fd = SP->_mouse_fd) >= 0) {
+	&& (fd = sp->_mouse_fd) >= 0) {
 	fds[count].fd = fd;
 	fds[count].events = POLLIN;
 	count++;
@@ -315,11 +308,11 @@ _nc_timed_wait(int mode,
     FD_ZERO(&set);
 
     if (mode & 1) {
-	FD_SET(SP->_ifd, &set);
-	count = SP->_ifd + 1;
+	FD_SET(sp->_ifd, &set);
+	count = sp->_ifd + 1;
     }
     if ((mode & 2)
-	&& (fd = SP->_mouse_fd) >= 0) {
+	&& (fd = sp->_mouse_fd) >= 0) {
 	FD_SET(fd, &set);
 	count = max(fd, count) + 1;
     }
@@ -432,11 +425,11 @@ _nc_timed_wait(int mode,
 	    result = 1;		/* redundant, but simple */
 #elif HAVE_SELECT
 	    if ((mode & 2)
-		&& (fd = SP->_mouse_fd) >= 0
+		&& (fd = sp->_mouse_fd) >= 0
 		&& FD_ISSET(fd, &set))
 		result |= 2;
 	    if ((mode & 1)
-		&& FD_ISSET(SP->_ifd, &set))
+		&& FD_ISSET(sp->_ifd, &set))
 		result |= 1;
 #endif
 	} else
diff --git a/contrib/ncurses/ncurses/tty/tty_update.c b/contrib/ncurses/ncurses/tty/tty_update.c
index 866681369a10..16fc17d27236 100644
--- a/contrib/ncurses/ncurses/tty/tty_update.c
+++ b/contrib/ncurses/ncurses/tty/tty_update.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * 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            *
@@ -74,7 +74,7 @@
 #include <ctype.h>
 #include <term.h>
 
-MODULE_ID("$Id: tty_update.c,v 1.243 2007/10/13 20:03:32 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.245 2008/05/03 22:43:04 tom Exp $")
 
 /*
  * This define controls the line-breakout optimization.  Every once in a
@@ -645,7 +645,7 @@ doupdate(void)
 	SP->_fifohold--;
 
 #if USE_SIZECHANGE
-    if (SP->_endwin || _nc_handle_sigwinch(FALSE)) {
+    if (SP->_endwin || _nc_handle_sigwinch(SP)) {
 	/*
 	 * This is a transparent extension:  XSI does not address it,
 	 * and applications need not know that ncurses can do it.
@@ -654,7 +654,7 @@ doupdate(void)
 	 * (this can happen in an xterm, for example), and resize the
 	 * ncurses data structures accordingly.
 	 */
-	_nc_update_screensize();
+	_nc_update_screensize(SP);
     }
 #endif