xref: /llvm-project/libc/test/src/time/TmHelper.h (revision f9c2377fb68e5051b3061186c507f7b87db2a8b2)
1 //===---- TmHelper.h ------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_LIBC_TEST_SRC_TIME_TMHELPER_H
10 #define LLVM_LIBC_TEST_SRC_TIME_TMHELPER_H
11 
12 #include "hdr/types/struct_tm.h"
13 #include "src/__support/macros/config.h"
14 #include "src/time/time_constants.h"
15 
16 namespace LIBC_NAMESPACE_DECL {
17 namespace tmhelper {
18 namespace testing {
19 
20 // A helper function to initialize tm data structure.
21 static inline void initialize_tm_data(struct tm *tm_data, int year, int month,
22                                       int mday, int hour, int min, int sec,
23                                       int wday, int yday) {
24   struct tm temp = {.tm_sec = sec,
25                     .tm_min = min,
26                     .tm_hour = hour,
27                     .tm_mday = mday,
28                     .tm_mon = month - 1, // tm_mon starts with 0 for Jan
29                     // years since 1900
30                     .tm_year = year - time_constants::TIME_YEAR_BASE,
31                     .tm_wday = wday,
32                     .tm_yday = yday,
33                     .tm_isdst = 0};
34   *tm_data = temp;
35 }
36 
37 } // namespace testing
38 } // namespace tmhelper
39 } // namespace LIBC_NAMESPACE_DECL
40 
41 #endif // LLVM_LIBC_TEST_SRC_TIME_TMHELPER_H
42