X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_newwin.c;h=bb6bc0578633748c6dd6c56996b129df66dd5109;hp=aa8959ca3243385af71e5559967bfeff261f48aa;hb=2639531af0c3ca25b48e7bcb9c790fa566cc5892;hpb=46722468f47c2b77b3987729b4bcf2321cccfd01

diff --git a/ncurses/base/lib_newwin.c b/ncurses/base/lib_newwin.c
index aa8959ca..bb6bc057 100644
--- a/ncurses/base/lib_newwin.c
+++ b/ncurses/base/lib_newwin.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2006,2007 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                 *
  ****************************************************************************/
 
 /*
@@ -40,7 +41,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_newwin.c,v 1.34 2002/08/18 00:12:30 tom Exp $")
+MODULE_ID("$Id: lib_newwin.c,v 1.40 2007/03/10 18:18:59 tom Exp $")
 
 static WINDOW *
 remove_window_from_screen(WINDOW *win)
@@ -51,16 +52,22 @@ remove_window_from_screen(WINDOW *win)
 	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;
@@ -120,9 +127,6 @@ newwin(int num_lines, int num_columns, int begy, int begx)
     if (num_columns == 0)
 	num_columns = screen_columns - begx;
 
-    if (num_columns + begx > SP->_columns || num_lines + begy > SP->_lines_avail)
-	returnWin(0);
-
     if ((win = _nc_makenew(num_lines, num_columns, begy, begx, 0)) == 0)
 	returnWin(0);
 
@@ -175,7 +179,7 @@ derwin(WINDOW *orig, int num_lines, int num_columns, int begy, int begx)
 
     win->_pary = begy;
     win->_parx = begx;
-    win->_attrs = orig->_attrs;
+    WINDOW_ATTRS(win) = WINDOW_ATTRS(orig);
     win->_nc_bkgd = orig->_nc_bkgd;
 
     for (i = 0; i < num_lines; i++)
@@ -190,7 +194,7 @@ NCURSES_EXPORT(WINDOW *)
 subwin(WINDOW *w, int l, int c, int y, int x)
 {
     T((T_CALLED("subwin(%p, %d, %d, %d, %d)"), w, l, c, y, x));
-    T(("parent has begy = %d, begx = %d", w->_begy, w->_begx));
+    T(("parent has begy = %ld, begx = %ld", (long) w->_begy, (long) w->_begx));
 
     returnWin(derwin(w, l, c, y - w->_begy, x - w->_begx));
 }
@@ -210,19 +214,22 @@ _nc_makenew(int num_lines, int num_columns, int begy, int begx, int flags)
     WINDOW *win;
     bool is_pad = (flags & _ISPAD);
 
-    T(("_nc_makenew(%d,%d,%d,%d)", num_lines, num_columns, begy, begx));
+    T((T_CALLED("_nc_makenew(%d,%d,%d,%d)"), num_lines, num_columns, begy, begx));
+
+    if (SP == 0)
+	returnWin(0);
 
     if (!dimension_limit(num_lines) || !dimension_limit(num_columns))
-	return 0;
+	returnWin(0);
 
     if ((wp = typeCalloc(WINDOWLIST, 1)) == 0)
-	return 0;
+	returnWin(0);
 
     win = &(wp->win);
 
     if ((win->_line = typeCalloc(struct ldat, ((unsigned) num_lines))) == 0) {
 	free(win);
-	return 0;
+	returnWin(0);
     }
 
     win->_curx = 0;
@@ -234,7 +241,7 @@ _nc_makenew(int num_lines, int num_columns, int begy, int begx, int flags)
     win->_yoffset = SP->_topstolen;
 
     win->_flags = flags;
-    win->_attrs = A_NORMAL;
+    WINDOW_ATTRS(win) = A_NORMAL;
     SetChar(win->_nc_bkgd, BLANK_TEXT, BLANK_ATTR);
 
     win->_clear = is_pad ? FALSE : (num_lines == screen_lines
@@ -302,5 +309,5 @@ _nc_makenew(int num_lines, int num_columns, int begy, int begx, int flags)
 
     T((T_CREATE("window %p"), win));
 
-    return (win);
+    returnWin(win);
 }