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diff --git a/libs/ode-0.16.1/ode/src/memory.cpp b/libs/ode-0.16.1/ode/src/memory.cpp
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+/*************************************************************************
+ * *
+ * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
+ * All rights reserved. Email: russ@q12.org Web: www.q12.org *
+ * *
+ * This library is free software; you can redistribute it and/or *
+ * modify it under the terms of EITHER: *
+ * (1) The GNU Lesser General Public License as published by the Free *
+ * Software Foundation; either version 2.1 of the License, or (at *
+ * your option) any later version. The text of the GNU Lesser *
+ * General Public License is included with this library in the *
+ * file LICENSE.TXT. *
+ * (2) The BSD-style license that is included with this library in *
+ * the file LICENSE-BSD.TXT. *
+ * *
+ * 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 files *
+ * LICENSE.TXT and LICENSE-BSD.TXT for more details. *
+ * *
+ *************************************************************************/
+
+#include <ode/odeconfig.h>
+#include <ode/memory.h>
+#include <ode/error.h>
+#include "config.h"
+
+
+static dAllocFunction *allocfn = 0;
+static dReallocFunction *reallocfn = 0;
+static dFreeFunction *freefn = 0;
+
+#ifdef __MINGW32__
+/*
+this is a guard against AC_FUNC_MALLOC and AC_FUNC_REALLOC
+which break cross compilation, no issues in native MSYS.
+*/
+#undef malloc
+#undef realloc
+#endif
+
+void dSetAllocHandler (dAllocFunction *fn)
+{
+ allocfn = fn;
+}
+
+
+void dSetReallocHandler (dReallocFunction *fn)
+{
+ reallocfn = fn;
+}
+
+
+void dSetFreeHandler (dFreeFunction *fn)
+{
+ freefn = fn;
+}
+
+
+dAllocFunction *dGetAllocHandler()
+{
+ return allocfn;
+}
+
+
+dReallocFunction *dGetReallocHandler()
+{
+ return reallocfn;
+}
+
+
+dFreeFunction *dGetFreeHandler()
+{
+ return freefn;
+}
+
+
+void * dAlloc (sizeint size)
+{
+ if (allocfn) return allocfn (size); else return malloc (size);
+}
+
+
+void * dRealloc (void *ptr, sizeint oldsize, sizeint newsize)
+{
+ if (reallocfn) return reallocfn (ptr,oldsize,newsize);
+ else return realloc (ptr,newsize);
+}
+
+
+void dFree (void *ptr, sizeint size)
+{
+ if (!ptr) return;
+ if (freefn) freefn (ptr,size); else free (ptr);
+}