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COMP: More workarounds for Borland.

This commit is contained in:
Brad King 2007-03-01 23:28:17 -05:00
parent ba6b7628e5
commit a0e26986f7
1 changed files with 6 additions and 3 deletions
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9
Source/kwsys/auto_ptr.hxx.in
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@ -20,11 +20,14 @@ namespace @KWSYS_NAMESPACE@
template <class X> class auto_ptr;
// The auto_ptr_ref template is supposed to be a private member of
// auto_ptr but Borland 5.8 cannot handle it.
// auto_ptr but Borland 5.8 cannot handle it. The extra constructor
// argument prevents implicit conversion to auto_ptr_ref from auto_ptr
// through the constructor. This avoids problems on Borland compilers
// when returning auto_ptr by value from a function.
template <class Y> struct auto_ptr_ref
{
auto_ptr<Y>& p_;
explicit auto_ptr_ref(auto_ptr<Y>& p): p_(p) {}
auto_ptr_ref(auto_ptr<Y>& p, int): p_(p) {}
};
// C++98 Standard Section 20.4.5 - Template class auto_ptr.
@ -53,7 +56,7 @@ public:
void reset(X* p=0) throw() { if(get() != p) { delete get(); x_ = p; } }
auto_ptr(auto_ptr_ref<X> r) throw(): x_(r.p_.release()) {}
template <class Y> operator auto_ptr_ref<Y>() throw() { return auto_ptr_ref<Y>(*this); }
template <class Y> operator auto_ptr_ref<Y>() throw() { return auto_ptr_ref<Y>(*this, 1); }
template <class Y> operator auto_ptr<Y>() throw() { return release(); }
auto_ptr& operator=(auto_ptr_ref<X> r) throw() { reset(r.p_.release()); return *this; }
};