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authorLionel Elie Mamane <lionel@mamane.lu>2011-08-02 16:10:00 +0200
committerLionel Elie Mamane <lionel@mamane.lu>2011-11-17 21:15:13 +0100
commite28033fdfad9750ebe96885b9514adee629acf88 (patch)
tree799ec7b900dd9c6addcea9a3230f606c60feab18 /connectivity/source/drivers/postgresql/pq_allocator.hxx
parent7ce4bb76593f2116a5943cd8c5f1bd75c2105e29 (diff)
Apply sdbc-postgresql.diff
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+/*************************************************************************
+ *
+ * $RCSfile: pq_allocator.hxx,v $
+ *
+ * $Revision: 1.1.2.3 $
+ *
+ * last change: $Author: jbu $ $Date: 2007/08/28 21:24:00 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2002 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PQ_ALLOCATOR_
+#define _PQ_ALLOCATOR_
+
+#include <cstddef>
+#include "sal/types.h"
+
+/** jbu: This source has been copied from sal/inc/internal/allocator.hxx,
+ because it is not a public interface. Thx a lot for figuring this
+ out.
+ */
+
+//######################################################
+// This is no general purpose STL allocator but one
+// necessary to use STL for some implementation but
+// avoid linking sal against the STLPort library!!!
+// For more information on when and how to define a
+// custom stl allocator have a look at Scott Meyers:
+// "Effective STL", Nicolai M. Josuttis:
+// "The C++ Standard Library - A Tutorial and Reference"
+// and at http://www.josuttis.com/cppcode/allocator.html
+
+namespace pq_sdbc_driver {
+
+template<class T>
+class Allocator
+{
+public:
+ typedef T value_type;
+ typedef T* pointer;
+ typedef const T* const_pointer;
+ typedef T& reference;
+ typedef const T& const_reference;
+ typedef ::std::size_t size_type;
+ typedef ::std::ptrdiff_t difference_type;
+
+ //-----------------------------------------
+ template<class U>
+ struct rebind
+ {
+ typedef Allocator<U> other;
+ };
+
+ //-----------------------------------------
+ pointer address (reference value) const
+ {
+ return &value;
+ }
+
+ //-----------------------------------------
+ const_pointer address (const_reference value) const
+ {
+ return &value;
+ }
+
+ //-----------------------------------------
+ Allocator() SAL_THROW(())
+ {}
+
+ //-----------------------------------------
+ template<class U>
+ Allocator (const Allocator<U>&) SAL_THROW(())
+ {}
+
+ //-----------------------------------------
+ Allocator(const Allocator&) SAL_THROW(())
+ {}
+
+ //-----------------------------------------
+ ~Allocator() SAL_THROW(())
+ {}
+
+ //-----------------------------------------
+ size_type max_size() const SAL_THROW(())
+ {
+ return size_type(-1)/sizeof(T);
+ }
+
+ //-----------------------------------------
+ /* Normally the code for allocate should
+ throw a std::bad_alloc exception if the
+ requested memory could not be allocated:
+ (C++ standard 20.4.1.1):
+
+ pointer allocate (size_type n, const void* hint = 0)
+ {
+ pointer p = reinterpret_cast<pointer>(
+ rtl_allocateMemory(sal_uInt32(n * sizeof(T))));
+
+ if (NULL == p)
+ throw ::std::bad_alloc();
+
+ return p;
+ }
+
+ but some compilers do not compile it if exceptions
+ are not enabled, e.g. GCC under Linux and it is
+ in general not desired to compile sal with exceptions
+ enabled. */
+ pointer allocate (size_type n, const void* hint = 0)
+ {
+ return reinterpret_cast<pointer>(
+ rtl_allocateMemory(sal_uInt32(n * sizeof(T))));
+ }
+
+ //-----------------------------------------
+ void deallocate (pointer p, size_type n)
+ {
+ rtl_freeMemory(p);
+ }
+
+ //-----------------------------------------
+ void construct (pointer p, const T& value)
+ {
+ new ((void*)p)T(value);
+ }
+
+ //-----------------------------------------
+ void destroy (pointer p)
+ {
+ p->~T();
+ }
+};
+
+//######################################################
+// Custom STL allocators must be stateless (see
+// references above) that's why the operators below
+// return always true or false
+template<class T, class U>
+inline bool operator== (const Allocator<T>&, const Allocator<U>&) SAL_THROW(())
+{
+ return true;
+}
+
+template<class T, class U>
+inline bool operator!= (const Allocator<T>&, const Allocator<U>&) SAL_THROW(())
+{
+ return false;
+}
+
+} /* namespace sal */
+
+//######################################################
+/* REQUIRED BY STLPort (see stlport '_alloc.h'):
+ Hack for compilers that do not support member
+ template classes (e.g. MSVC 6) */
+#if defined (_MSC_VER)
+#if (_MSC_VER < 1400) // MSVC 6
+namespace _STL
+{
+#endif
+#endif
+ template<class T, class U>
+ inline pq_sdbc_driver::Allocator<U> & __stl_alloc_rebind (
+ pq_sdbc_driver::Allocator<T> & a, U const *)
+ {
+ return (pq_sdbc_driver::Allocator<U>&)(a);
+ }
+#if defined (_MSC_VER)
+#if (_MSC_VER < 1400) // MSVC 6
+}
+#endif
+#endif
+
+#endif /* INCLUDED_SAL_INTERNAL_ALLOCATOR_HXX */