diff options
Diffstat (limited to 'libgo/runtime/go-string.h')
-rw-r--r-- | libgo/runtime/go-string.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libgo/runtime/go-string.h b/libgo/runtime/go-string.h new file mode 100644 index 0000000000..2c8e1acd32 --- /dev/null +++ b/libgo/runtime/go-string.h @@ -0,0 +1,42 @@ +/* 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) */ |