| /* 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; |
| } |
| |
| const FuncVal __go_type_hash_string_descriptor = |
| { (void *) __go_type_hash_string }; |
| |
| /* 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); |
| } |
| |
| const FuncVal __go_type_equal_string_descriptor = |
| { (void *) __go_type_equal_string }; |