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/* go-construct-map.c -- construct a map from an initializer.

   Copyright 2009 The Go Authors. All rights reserved.

   Use of this source code is governed by a BSD-style

   license that can be found in the LICENSE file.  */

#include <stddef.h>

#include <stdint.h>

#include <stdlib.h>

#include "map.h"

struct __go_map *

__go_construct_map (const struct __go_map_descriptor *descriptor,

                    uintptr_t count, uintptr_t entry_size,

                    uintptr_t val_offset, uintptr_t val_size,

                    const void *ventries)

{

  struct __go_map *ret;

  const unsigned char *entries;

  uintptr_t i;

  ret = __go_new_map (descriptor, count);

  entries = (const unsigned char *) ventries;

  for (i = 0; i < count; ++i)

    {

      void *val = __go_map_index (ret, entries, 1);

      __builtin_memcpy (val, entries + val_offset, val_size);

      entries += entry_size;

    }

  return ret;

}