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authorsvoj@mysql.com <>2005-04-28 18:23:27 +0500
committersvoj@mysql.com <>2005-04-28 18:23:27 +0500
commitc1fd1d6a5b6842d99fbbfabeb0598f2e92535f96 (patch)
treefaf48fd8da1c6b1e9b69a5e89ebff26bb440b34b /extra/yassl/mySTL/memory.hpp
parent9c9149571d0fa42be28ec221277b382935cb0e82 (diff)
downloadmariadb-git-c1fd1d6a5b6842d99fbbfabeb0598f2e92535f96.tar.gz
WL#2286 Compile MySQL w/YASSL support
yaSSL-0.9.7 library bundled.
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+/* mySTL memory.hpp
+ *
+ * Copyright (C) 2003 Sawtooth Consulting Ltd.
+ *
+ * This file is part of yaSSL.
+ *
+ * yaSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * yaSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+/* mySTL memory implements auto_ptr
+ *
+ */
+
+#ifndef mySTL_MEMORY_HPP
+#define mySTL_MEMORY_HPP
+
+
+#ifdef _MSC_VER
+ // disable operator-> warning for builtins
+ #pragma warning(disable:4284)
+#endif
+
+
+namespace mySTL {
+
+
+template<typename T>
+struct auto_ptr_ref {
+ T* ptr_;
+ explicit auto_ptr_ref(T* p) : ptr_(p) {}
+};
+
+
+template<typename T>
+class auto_ptr {
+ T* ptr_;
+public:
+ explicit auto_ptr(T* p = 0) : ptr_(p) {}
+ ~auto_ptr()
+ {
+ delete ptr_;
+ }
+
+
+ auto_ptr(auto_ptr& other) : ptr_(other.release()) {}
+ auto_ptr& operator=(auto_ptr& that)
+ {
+ if (this != &that) {
+ delete ptr_;
+ ptr_ = that.release();
+ }
+ return *this;
+ }
+
+
+ T* operator->() const
+ {
+ return ptr_;
+ }
+
+ T& operator*() const
+ {
+ return *ptr_;
+ }
+
+ T* get() const
+ {
+ return ptr_;
+ }
+
+ T* release()
+ {
+ T* tmp = ptr_;
+ ptr_ = 0;
+ return tmp;
+ }
+
+ void reset(T* p = 0)
+ {
+ if (ptr_ != p) {
+ delete ptr_;
+ ptr_ = p;
+ }
+ }
+
+ // auto_ptr_ref conversions
+ auto_ptr(auto_ptr_ref<T> ref) : ptr_(ref.ptr_) {}
+
+ auto_ptr& operator=(auto_ptr_ref<T> ref)
+ {
+ if (this->ptr_ != ref.ptr_) {
+ delete ptr_;
+ ptr_ = ref.ptr_;
+ }
+ return *this;
+ }
+
+ template<typename T2>
+ operator auto_ptr<T2>()
+ {
+ return auto_ptr<T2>(this->release());
+ }
+
+ template<typename T2>
+ operator auto_ptr_ref<T2>()
+ {
+ return auto_ptr_ref<T2>(this->release());
+ }
+};
+
+
+} // namespace mySTL
+
+#endif // mySTL_MEMORY_HPP