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/* go-string.h -- the string type for Go.

   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.  */

#ifndef LIBGO_GO_STRING_H

#define LIBGO_GO_STRING_H

#include <stddef.h>

/* A string is an instance of this structure.  */

struct __go_string

{

  /* The bytes.  */

  const unsigned char *__data;

  /* The length.  */

  int __length;

};

static inline _Bool

__go_strings_equal (struct __go_string s1, struct __go_string s2)

{

  return (s1.__length == s2.__length

          && __builtin_memcmp (s1.__data, s2.__data, s1.__length) == 0);

}

static inline _Bool

__go_ptr_strings_equal (const struct __go_string *ps1,

                        const struct __go_string *ps2)

{

  if (ps1 == NULL)

    return ps2 == NULL;

  if (ps2 == NULL)

    return 0;

  return __go_strings_equal (*ps1, *ps2);

}

extern int __go_get_rune (const unsigned char *, size_t, int *);

#endif /* !defined(LIBGO_GO_STRING_H) */