1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef __CUTILS_STRING16_H
18 #define __CUTILS_STRING16_H
19 
20 #include <stdint.h>
21 #include <stddef.h>
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 #if __STDC_VERSION__ < 201112L && __cplusplus < 201103L
28   typedef uint16_t char16_t;
29 #endif
30   // otherwise char16_t is a keyword with the right semantics
31 
32 extern char * strndup16to8 (const char16_t* s, size_t n);
33 extern size_t strnlen16to8 (const char16_t* s, size_t n);
34 extern char * strncpy16to8 (char *dest, const char16_t*s, size_t n);
35 
36 extern char16_t * strdup8to16 (const char* s, size_t *out_len);
37 extern size_t strlen8to16 (const char* utf8Str);
38 extern char16_t * strcpy8to16 (char16_t *dest, const char*s, size_t *out_len);
39 extern char16_t * strcpylen8to16 (char16_t *dest, const char*s, int length,
40     size_t *out_len);
41 
42 #ifdef __cplusplus
43 }
44 #endif
45 
46 #endif /* __CUTILS_STRING16_H */
47