1  /***********************************************************************
 2   * Distributed under the MIT software license, see the accompanying    *
 3   * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
 4   ***********************************************************************/
 5  
 6  #ifndef SECP256K1_TESTS_COMMON_H
 7  #define SECP256K1_TESTS_COMMON_H
 8  
 9  /***********************************************************************
10   * Test Support Utilities
11   *
12   * This file provides general-purpose functions for tests and benchmark
13   * programs. Unlike testutil.h, this file is not linked to the library,
14   * allowing each program to choose whether to run against the production
15   * API or access library internals directly.
16   ***********************************************************************/
17  
18  #include <stdint.h>
19  
20  #if (defined(_MSC_VER) && _MSC_VER >= 1900)
21  #  include <time.h>
22  #else
23  #  include <sys/time.h>
24  #endif
25  
26  static int64_t gettime_i64(void) {
27  #if (defined(_MSC_VER) && _MSC_VER >= 1900)
28      /* C11 way to get wallclock time */
29      struct timespec tv;
30      if (!timespec_get(&tv, TIME_UTC)) {
31          fputs("timespec_get failed!", stderr);
32          exit(EXIT_FAILURE);
33      }
34      return (int64_t)tv.tv_nsec / 1000 + (int64_t)tv.tv_sec * 1000000LL;
35  #else
36      struct timeval tv;
37      gettimeofday(&tv, NULL);
38      return (int64_t)tv.tv_usec + (int64_t)tv.tv_sec * 1000000LL;
39  #endif
40  }
41  
42  #endif /* SECP256K1_TESTS_COMMON_H */