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1 /* go-construct-map.c -- construct a map from an initializer.
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2
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3 Copyright 2009 The Go Authors. All rights reserved.
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4 Use of this source code is governed by a BSD-style
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5 license that can be found in the LICENSE file. */
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6
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7 #include <stddef.h>
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8 #include <stdint.h>
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9 #include <stdlib.h>
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10
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11 #include "runtime.h"
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12 #include "go-type.h"
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13
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131
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14 extern void *makemap (const struct __go_map_type *, intgo hint,
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15 void *)
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16 __asm__ (GOSYM_PREFIX "runtime.makemap");
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17
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18 extern void *mapassign (const struct __go_map_type *, void *hmap,
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19 const void *key)
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20 __asm__ (GOSYM_PREFIX "runtime.mapassign");
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21
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22 void *
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23 __go_construct_map (const struct __go_map_type *type,
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24 uintptr_t count, uintptr_t entry_size,
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25 uintptr_t val_offset, const void *ventries)
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26 {
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27 void *ret;
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28 const unsigned char *entries;
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29 uintptr_t i;
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30 void *p;
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31
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32 ret = makemap(type, (intgo) count, NULL);
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111
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33
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34 entries = (const unsigned char *) ventries;
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35 for (i = 0; i < count; ++i)
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36 {
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37 p = mapassign (type, ret, entries);
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38 typedmemmove (type->__val_type, p, entries + val_offset);
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39 entries += entry_size;
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40 }
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41
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42 return ret;
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43 }
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