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/* go-type-string.c -- hash and equality string functions.
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 "runtime.h"
#include "go-type.h"
#include "go-string.h"
/* A string hash function for a map. */
uintptr_t
__go_type_hash_string (const void *vkey,
uintptr_t key_size __attribute__ ((unused)))
{
uintptr_t ret;
const String *key;
intgo len;
intgo i;
const byte *p;
ret = 5381;
key = (const String *) vkey;
len = key->len;
for (i = 0, p = key->str; i < len; i++, p++)
ret = ret * 33 + *p;
return ret;
}
/* A string equality function for a map. */
_Bool
__go_type_equal_string (const void *vk1, const void *vk2,
uintptr_t key_size __attribute__ ((unused)))
{
const String *k1;
const String *k2;
k1 = (const String *) vk1;
k2 = (const String *) vk2;
return __go_ptr_strings_equal (k1, k2);
}
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