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: swprintf_s function
12 * Create: 2014-02-25
13 */
14
15 #include "securec.h"
16
17 /*
18 * <FUNCTION DESCRIPTION>
19 * The swprintf_s function is the wide-character equivalent of the sprintf_s function
20 *
21 * <INPUT PARAMETERS>
22 * strDest Storage location for the output.
23 * destMax Maximum number of characters to store.
24 * format Format-control string.
25 * ... Optional arguments
26 *
27 * <OUTPUT PARAMETERS>
28 * strDest is updated
29 *
30 * <RETURN VALUE>
31 * return the number of wide characters stored in strDest, not counting the terminating null wide character.
32 * return -1 if an error occurred.
33 *
34 * If there is a runtime-constraint violation, strDest[0] will be set to the '\0' when strDest and destMax valid
35 */
swprintf_s(wchar_t * strDest,size_t destMax,const wchar_t * format,...)36 int swprintf_s(wchar_t *strDest, size_t destMax, const wchar_t *format, ...)
37 {
38 int ret; /* If initialization causes e838 */
39 va_list argList;
40
41 va_start(argList, format);
42 ret = vswprintf_s(strDest, destMax, format, argList);
43 va_end(argList);
44 (void)argList; /* To clear e438 last value assigned not used , the compiler will optimize this code */
45
46 return ret;
47 }
48
49