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check for self-assignment in operator=

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51123 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2008-01-09 04:08:33 +00:00
parent c6ed07281f
commit 162e998c2f
12 changed files with 102 additions and 62 deletions
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6
include/wx/utils.h
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@@ -9,8 +9,8 @@
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UTILSH__
#define _WX_UTILSH__
#ifndef _WX_UTILS_H_
#define _WX_UTILS_H_
// ----------------------------------------------------------------------------
// headers
@@ -136,7 +136,7 @@ class WXDLLIMPEXP_BASE wxPlatform
public:
wxPlatform() { Init(); }
wxPlatform(const wxPlatform& platform) { Copy(platform); }
void operator = (const wxPlatform& platform) { Copy(platform); }
void operator = (const wxPlatform& platform) { if (&platform != this) Copy(platform); }
void Copy(const wxPlatform& platform);
// Specify an optional default value