1 files changed, 99 insertions, 0 deletions
diff --git a/src/mesa/util/u_memory.h b/src/mesa/util/u_memory.h
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+/**************************************************************************
+ * 
+ * Copyright 2008 VMware, Inc.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+
+/*
+ * Memory functions
+ */
+
+
+#ifndef U_MEMORY_H
+#define U_MEMORY_H
+
+#include "util/u_debug.h"
+#include "util/os_memory.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define MALLOC(_size)  os_malloc(_size)
+
+#define CALLOC(_count, _size) os_calloc(_count, _size)
+
+#define FREE(_ptr ) os_free(_ptr)
+
+#define REALLOC(_ptr, _old_size, _size) os_realloc(_ptr, _old_size, _size)
+
+#define MALLOC_STRUCT(T)   (struct T *) MALLOC(sizeof(struct T))
+
+#define CALLOC_STRUCT(T)   (struct T *) CALLOC(1, sizeof(struct T))
+
+#define CALLOC_VARIANT_LENGTH_STRUCT(T,more_size)   ((struct T *) CALLOC(1, sizeof(struct T) + more_size))
+
+
+#define align_malloc(_size, _alignment) os_malloc_aligned(_size, _alignment)
+#define align_free(_ptr) os_free_aligned(_ptr)
+#define align_realloc(_ptr, _oldsize, _newsize, _alignment) os_realloc_aligned(_ptr, _oldsize, _newsize, _alignment)
+
+static inline void *
+align_calloc(size_t size, unsigned long alignment)
+{
+   void *ptr = align_malloc(size, alignment);
+   if (ptr)
+      memset(ptr, 0, size);
+   return ptr;
+}
+
+/**
+ * Duplicate a block of memory.
+ */
+static inline void *
+mem_dup(const void *src, size_t size)
+{
+   void *dup = MALLOC(size);
+   if (dup)
+      memcpy(dup, src, size);
+   return dup;
+}
+
+
+/**
+ * Offset of a field in a struct, in bytes.
+ */
+#define Offset(TYPE, MEMBER) ((uintptr_t)&(((TYPE *)NULL)->MEMBER))
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* U_MEMORY_H */