ncurses 6.2 - patch 20210605

[ncurses.git] / menu / m_item_vis.c

diff --git a/menu/m_item_vis.c b/menu/m_item_vis.c
index cea7b7ef7d0ce08ac468ac7efcaf1c5612a5aff6..8e409cb864ad2555117f3e6dda25ab436e332a73 100644 (file)
--- a/menu/m_item_vis.c
+++ b/menu/m_item_vis.c
@@ -1,33 +1,44 @@
-/*-----------------------------------------------------------------------------+
-|           The ncurses menu library is  Copyright (C) 1995-1997               |
-|             by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de>                 |
-|                          All Rights Reserved.                                |
-|                                                                              |
-| Permission to use, copy, modify, and distribute this software and its        |
-| documentation for any purpose and without fee is hereby granted, provided    |
-| that the above copyright notice appear in all copies and that both that      |
-| copyright notice and this permission notice appear in supporting             |
-| documentation, and that the name of the above listed copyright holder(s) not |
-| be used in advertising or publicity pertaining to distribution of the        |
-| software without specific, written prior permission.                         | 
-|                                                                              |
-| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO  |
-| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-  |
-| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR   |
-| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
-| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
-| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH    |
-| THE USE OR PERFORMANCE OF THIS SOFTWARE.                                     |
-+-----------------------------------------------------------------------------*/
+/****************************************************************************
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2004,2010 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *   Author:  Juergen Pfeifer, 1995,1997                                    *
+ ****************************************************************************/
 
 /***************************************************************************
-* Module menu_item_vis                                                     *
+* Module m_item_vis                                                        *
 * Tell if menu item is visible                                             *
 ***************************************************************************/
 
 #include "menu.priv.h"
 
-MODULE_ID("$Id: m_item_vis.c,v 1.6 1997/05/01 16:47:26 juergen Exp $")
+MODULE_ID("$Id: m_item_vis.c,v 1.19 2020/12/12 00:38:08 tom Exp $")
 
 /*---------------------------------------------------------------------------
 |   Facility      :  libnmenu  
@@ -39,18 +50,20 @@ MODULE_ID("$Id: m_item_vis.c,v 1.6 1997/05/01 16:47:26 juergen Exp $")
 |   Return Values :  TRUE  if visible
 |                    FALSE if invisible
 +--------------------------------------------------------------------------*/
-bool item_visible(const ITEM * item)
+MENU_EXPORT(bool)
+item_visible(const ITEM *item)
 {
   MENU *menu;
-  
-  if ( item                                               && 
-      (menu=item->imenu)                                  && 
-      (menu->status & _POSTED)                            &&
-      ( (menu->toprow + menu->arows) > (item->y) )        &&
-      ( item->y >= menu->toprow) )
-    return TRUE;
+
+  T((T_CALLED("item_visible(%p)"), (const void *)item));
+  if (item &&
+      (menu = item->imenu) &&
+      (menu->status & _POSTED) &&
+      ((menu->toprow + menu->arows) > (item->y)) &&
+      (item->y >= menu->toprow))
+    returnBool(TRUE);
   else
-    return FALSE;
+    returnBool(FALSE);
 }
 
 /* m_item_vis.c ends here */