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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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4
include/wx/unichar.h
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@@ -96,7 +96,7 @@ public:
bool operator&&(bool v) const { return (bool)*this && v; }
// Assignment operators:
wxUniChar& operator=(const wxUniChar& c) { m_value = c.m_value; return *this; }
wxUniChar& operator=(const wxUniChar& c) { if (&c != this) m_value = c.m_value; return *this; }
wxUniChar& operator=(const wxUniCharRef& c);
wxUniChar& operator=(char c) { m_value = From8bit(c); return *this; }
wxUniChar& operator=(unsigned char c) { m_value = From8bit((char)c); return *this; }
@@ -218,7 +218,7 @@ public:
#endif
wxUniCharRef& operator=(const wxUniCharRef& c)
{ return *this = c.UniChar(); }
{ if (&c != this) *this = c.UniChar(); return *this; }
wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); }
wxUniCharRef& operator=(unsigned char c) { return *this = wxUniChar(c); }