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diff --git a/nuttx/mm/mm_environment.h b/nuttx/mm/mm_environment.h
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+/****************************************************************************
+ * mm/mm_environment.h
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __MM_MM_ENVIRONMENT_H
+#define __MM_MM_ENVIRONMENT_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/* The platform configuratioin file will not be included when the memory
+ * manager is built for the host-based test harness.
+ */
+
+#ifndef MM_TEST
+#  include <nuttx/config.h>
+#  include <nuttx/compiler.h>
+#  include <sys/types.h>
+#  include <stdlib.h>
+#  include <string.h>
+#  include <debug.h>
+#  include <errno.h>
+#  include <assert.h>
+#  include <nuttx/mm.h>
+#else
+#  include <sys/types.h>
+#  include <string.h>
+#  include <assert.h>
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Special definitions used when the memory mnager is built for the host-
+ * based test harness.
+ */
+
+#ifdef MM_TEST
+
+/* Fake NuttX dependencies */
+
+# define FAR                        /* Normally in compiler.h */
+# define CONFIG_CPP_HAVE_VARARGS 1  /* Normally in compiler.h */
+# define CONFIG_MM_REGIONS 2        /* Normally in config.h */
+# undef  CONFIG_MM_SMALL            /* Normally in config.h */
+# define CONFIG_CAN_PASS_STRUCTS 1  /* Normally in config.h */
+# undef  CONFIG_SMALL_MEMORY        /* Normally in config.h */
+
+extern void mm_addregion(FAR void *heapstart, size_t heapsize);
+
+/* Use the real system errno */
+
+# define mm_errno errno
+
+/* When built for the test harness, we change the names of the exported
+ * functions so that they do not collide with the host libc names.
+ */
+
+# define malloc    mm_malloc
+# define memalign  mm_memalign
+# define realloc   mm_realloc
+# define zalloc    mm_zalloc
+# define calloc    mm_calloc
+# define free      mm_free
+
+/* Use normal libc assertion functions */
+
+# undef ASSERT
+# define ASSERT(e)      assert(e)
+# undef DEBUGASSERT
+# define DEBUGASSERT(e) assert(e)
+
+/* Debug macros are always on */
+
+# define CONFIG_DEBUG
+
+# undef mdbg
+# define mdbg(format, arg...) printf(format, ##arg)
+# undef mvdg
+# define mvdbg(format, arg...) printf(format, ##arg)
+
+#else
+# define mm_errno get_errno()
+#endif
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#endif /* __MM_MM_ENVIRONMENT_H */