1 files changed, 49 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/allocator.hxx b/libxsde/xsde/cxx/allocator.hxx
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+++ b/libxsde/xsde/cxx/allocator.hxx
@@ -0,0 +1,49 @@
+// file      : xsde/cxx/allocator.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSDE_CXX_ALLOCATOR_HXX
+#define XSDE_CXX_ALLOCATOR_HXX
+
+#include <stddef.h> // size_t
+#include <new>      // placement new
+
+#include <xsde/cxx/config.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    // Allocate a memory block using custom allocator. If exceptions
+    // are enabled this function throws std::bad_alloc on failure.
+    // Otherwise it returns 0.
+    //
+    void*
+    alloc (size_t);
+
+    void
+    free (void*);
+
+#ifdef XSDE_EXCEPTIONS
+    struct alloc_guard
+    {
+      alloc_guard (void* p) : p_ (p) {}
+      ~alloc_guard () { if (p_) cxx::free (p_); }
+
+      void*
+      get () const { return p_; }
+
+      void
+      release () { p_ = 0; }
+
+    private:
+      void* p_;
+    };
+#endif
+  }
+}
+
+#include <xsde/cxx/allocator.ixx>
+
+#endif // XSDE_CXX_ALLOCATOR_HXX