* sldisplay.c (SLtt_goto_rc): Disable cursor movement optimizations

for qansi-m consoles. Needed on QNX Neutrino.
        (SLtt_initialize): Init QANSI_Console variable.

slang/ChangeLog

@@ -1,3 +1,9 @@
+2004-09-26  Mike Gorchak  <mike@malva.ua> 
+
+	* sldisplay.c (SLtt_goto_rc): Disable cursor movement optimizations
+	for qansi-m consoles. Needed on QNX Neutrino.
+	(SLtt_initialize): Init QANSI_Console variable.
+
 2004-09-24  Roland Illig  <roland.illig@gmx.de>
 
 	* slsignal.c (SLsystem): Replaced NULL with (char *) NULL in

slang/sldisply.c

@@ -117,6 +117,7 @@ static char *Reset_Color_String;
 static int Is_Color_Terminal = 0;
 
 static int Linux_Console;
+static int QANSI_Console;
 
 /* It is crucial that JMAX_COLORS must be less than 128 since the high bit
  * is used to indicate a character from the ACS (alt char set).  The exception
@@ -727,12 +728,25 @@ void SLtt_goto_rc(int r, int c)
 		  if (Cursor_c == c) return;
 		  if (Cursor_c == c + 1)
 		    {
-		       s = buf;
+                       /* cursor movement optimizations, like backspace
-		       *s++ = '\b'; *s = 0;
+			  doesn't work as needed on qansi-m consoles when 
-		       s = buf;
+			  current table is not a G0, so we'll disable it. */
+                       if (!QANSI_Console)
+                       {
+		          s = buf;
+		          *s++ = '\b'; *s = 0;
+		          s = buf;
+                       }
+                       else
+                       {
+                          /* do the generic cursor positioning,
+			     without an optimization */
+                          s = NULL;
+                       }
 		    }
 	       }
-	     else if (c == 0)
+	     else if ((c == 0) && (!QANSI_Console)) /* the same things 
+				    for the qansi-m console limitation */
 	       {
 		  s = buf;
 		  if ((Cursor_Set != 1) || (Cursor_c != 0)) *s++ = '\r';
@@ -746,8 +760,9 @@ void SLtt_goto_rc(int r, int c)
 	       }
 	     /* Will fail on VMS */
 #ifndef VMS
-	     else if (SLtt_Newline_Ok && (Cursor_Set == 1) &&
+	     else if ((SLtt_Newline_Ok && (Cursor_Set == 1) &&
-		      (Cursor_c >= c) && (c + 3 > Cursor_c))
+		      (Cursor_c >= c) && (c + 3 > Cursor_c)) &&
+		      (!QANSI_Console))
 	       {
 		  s = buf;
 		  while (n--) *s++ = '\n';
@@ -2126,6 +2141,8 @@ int SLtt_initialize (char *term)
 # endif
 		    );
 
+   QANSI_Console = !strncmp (term, "qansi-m", 7);
+
    t = term;
 
    if (strcmp(t, "vt52") && (*t++ == 'v') && (*t++ == 't')