X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=c%2B%2B%2Fetip.h.in;h=9dbb0e70d10833a4b7a587b2c88ce7c4a5cb9a2f;hp=9334f9d3e1168afc87ab4a245dbc562448475618;hb=81304798ee736c467839c779c9ca5dca48db7bea;hpb=47d2fb4537d9ad5bb14f4810561a327930ca4280

diff --git a/c++/etip.h.in b/c++/etip.h.in
index 9334f9d3..9dbb0e70 100644
--- a/c++/etip.h.in
+++ b/c++/etip.h.in
@@ -1,6 +1,6 @@
 // * This makes emacs happy -*-Mode: C++;-*-
 /****************************************************************************
- * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2018-2020,2021 Thomas E. Dickey                                *
  * Copyright 1998-2012,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -32,7 +32,7 @@
  *   Author: Juergen Pfeifer, 1997                                          *
  ****************************************************************************/
 
-// $Id: etip.h.in,v 1.43 2020/02/02 23:34:34 tom Exp $
+// $Id: etip.h.in,v 1.48 2021/06/17 21:11:08 tom Exp $
 
 #ifndef NCURSES_ETIP_H_incl
 #define NCURSES_ETIP_H_incl 1
@@ -139,12 +139,16 @@ extern "C" {
 #define STATIC_CAST(s) (s)
 #endif
 
+#ifndef NCURSES_CXX_IMPEXP
+#define NCURSES_CXX_IMPEXP  /* nothing */
+#endif
+
 // Forward Declarations
-class NCURSES_IMPEXP NCursesPanel;
-class NCURSES_IMPEXP NCursesMenu;
-class NCURSES_IMPEXP NCursesForm;
+class NCURSES_CXX_IMPEXP NCursesPanel;
+class NCURSES_CXX_IMPEXP NCursesMenu;
+class NCURSES_CXX_IMPEXP NCursesForm;
 
-class NCURSES_IMPEXP NCursesException
+class NCURSES_CXX_IMPEXP NCursesException
 {
 public:
   const char *message;
@@ -154,12 +158,13 @@ public:
     : message(msg), errorno (err)
     {};
 
-  NCursesException (const char* msg)
+  explicit NCursesException (const char* msg)
     : message(msg), errorno (E_SYSTEM_ERROR)
     {};
 
   NCursesException& operator=(const NCursesException& rhs)
   {
+    message = rhs.message;
     errorno = rhs.errorno;
     return *this;
   }
@@ -178,7 +183,7 @@ public:
   }
 };
 
-class NCURSES_IMPEXP NCursesPanelException : public NCursesException
+class NCURSES_CXX_IMPEXP NCursesPanelException : public NCursesException
 {
 public:
   const NCursesPanel* p;
@@ -195,7 +200,7 @@ public:
     p (panel)
     {};
 
-  NCursesPanelException (int err) :
+  explicit NCursesPanelException (int err) :
     NCursesException ("panel library error", err),
     p (0)
     {};
@@ -229,7 +234,7 @@ public:
   }
 };
 
-class NCURSES_IMPEXP NCursesMenuException : public NCursesException
+class NCURSES_CXX_IMPEXP NCursesMenuException : public NCursesException
 {
 public:
   const NCursesMenu* m;
@@ -246,7 +251,7 @@ public:
     m (menu)
     {};
 
-  NCursesMenuException (int err) :
+  explicit NCursesMenuException (int err) :
     NCursesException ("menu library error", err),
     m (0)
     {};
@@ -280,7 +285,7 @@ public:
   }
 };
 
-class NCURSES_IMPEXP NCursesFormException : public NCursesException
+class NCURSES_CXX_IMPEXP NCursesFormException : public NCursesException
 {
 public:
   const NCursesForm* f;
@@ -297,7 +302,7 @@ public:
     f (form)
     {};
 
-  NCursesFormException (int err) :
+  explicit NCursesFormException (int err) :
     NCursesException ("form library error", err),
     f (0)
     {};
@@ -341,7 +346,6 @@ using std::endl;
 #  else
 #     include <iostream.h>
 #  endif
-   extern "C" void exit(int);
 #endif
 
 inline void THROW(const NCursesException *e) {