ncurses 5.6 - patch 20080419

[ncurses.git] / ncurses / tty / tty_update.c

diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c
index 57222f15f5ff31bbe98af66e3968aed6b560a18a..866681369a108ab989a3b45ce3e4dea84ddb7bbd 100644 (file)
--- a/ncurses/tty/tty_update.c
+++ b/ncurses/tty/tty_update.c
@@ -74,7 +74,7 @@
 #include <ctype.h>
 #include <term.h>
 
-MODULE_ID("$Id: tty_update.c,v 1.239 2007/04/19 20:57:49 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.243 2007/10/13 20:03:32 tom Exp $")
 
 /*
  * This define controls the line-breakout optimization.  Every once in a
@@ -289,7 +289,7 @@ PutAttrChar(CARG_CH_T ch)
 #endif
     {
        PUTC(CHDEREF(ch), SP->_ofp);    /* macro's fastest... */
-       TRACE_OUTCHARS(1);
+       COUNT_OUTCHARS(1);
     }
     SP->_curscol += chlen;
     if (char_padding) {
@@ -624,13 +624,18 @@ doupdate(void)
 
     T((T_CALLED("doupdate()")));
 
+    if (curscr == 0
+       || newscr == 0)
+       returnCode(ERR);
+
 #ifdef TRACE
-    if (_nc_tracing & TRACE_UPDATE) {
+    if (USE_TRACEF(TRACE_UPDATE)) {
        if (curscr->_clear)
            _tracef("curscr is clear");
        else
            _tracedump("curscr", curscr);
        _tracedump("newscr", newscr);
+       _nc_unlock_global(tracef);
     }
 #endif /* TRACE */
 
@@ -666,7 +671,7 @@ doupdate(void)
     }
 #if USE_TRACE_TIMES
     /* zero the metering machinery */
-    _nc_outchars = 0;
+    RESET_OUTCHARS();
     (void) times(&before);
 #endif /* USE_TRACE_TIMES */
 
@@ -826,9 +831,10 @@ doupdate(void)
 
 #ifdef TRACE
        /* show altered highlights after magic-cookie check */
-       if (_nc_tracing & TRACE_UPDATE) {
+       if (USE_TRACEF(TRACE_UPDATE)) {
            _tracef("After magic-cookie check...");
            _tracedump("newscr", newscr);
+           _nc_unlock_global(tracef);
        }
 #endif /* TRACE */
     }
@@ -836,7 +842,6 @@ doupdate(void)
 
     nonempty = 0;
     if (curscr->_clear || newscr->_clear) {    /* force refresh ? */
-       TR(TRACE_UPDATE, ("clearing and updating from scratch"));
        ClrUpdate();
        curscr->_clear = FALSE; /* reset flag */
        newscr->_clear = FALSE; /* reset flag */
@@ -967,7 +972,7 @@ ClrUpdate(void)
     NCURSES_CH_T blank = ClrBlank(stdscr);
     int nonempty = min(screen_lines, newscr->_maxy + 1);
 
-    TR(TRACE_UPDATE, ("ClrUpdate() called"));
+    TR(TRACE_UPDATE, (T_CALLED("ClrUpdate")));
 
     ClearScreen(blank);
 
@@ -977,6 +982,8 @@ ClrUpdate(void)
 
     for (i = 0; i < nonempty; i++)
        TransformLine(i);
+
+    TR(TRACE_UPDATE, (T_RETURN("")));
 }
 
 /*