1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2014-2021. All rights reserved.
3 * Licensed under Mulan PSL v2.
4 * You can use this software according to the terms and conditions of the Mulan PSL v2.
5 * You may obtain a copy of Mulan PSL v2 at:
6 * http://license.coscl.org.cn/MulanPSL2
7 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
8 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
9 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
10 * See the Mulan PSL v2 for more details.
11 * Description: Provides internal functions used by this library, such as memory
12 * copy and memory move. Besides, include some helper function for
13 * printf family API, such as SecVsnprintfImpl
14 * Create: 2014-02-25
15 */
16
17 /* Avoid duplicate header files,not include securecutil.h */
18 #include "securecutil.h"
19
20 #if defined(ANDROID) && !defined(SECUREC_CLOSE_ANDROID_HANDLE) && (SECUREC_HAVE_WCTOMB || SECUREC_HAVE_MBTOWC)
21 #include <wchar.h>
22 #if SECUREC_HAVE_WCTOMB
23 /*
24 * Convert wide characters to narrow multi-bytes
25 */
wctomb(char * s,wchar_t wc)26 int wctomb(char *s, wchar_t wc)
27 {
28 return (int)wcrtomb(s, wc, NULL);
29 }
30 #endif
31
32 #if SECUREC_HAVE_MBTOWC
33 /*
34 * Converting narrow multi-byte characters to wide characters
35 * mbrtowc returns -1 or -2 upon failure, unlike mbtowc, which only returns -1
36 * When the return value is less than zero, we treat it as a failure
37 */
mbtowc(wchar_t * pwc,const char * s,size_t n)38 int mbtowc(wchar_t *pwc, const char *s, size_t n)
39 {
40 return (int)mbrtowc(pwc, s, n, NULL);
41 }
42 #endif
43 #endif
44
45