1  /*
       2   * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
       3   * Copyright (c) 2015-2023 The strace developers.
       4   * All rights reserved.
       5   *
       6   * SPDX-License-Identifier: GPL-2.0-or-later
       7   */
       8  
       9  #include "tests.h"
      10  #include "scno.h"
      11  #include "kernel_timeval.h"
      12  
      13  #ifdef __NR_gettimeofday
      14  
      15  # include <assert.h>
      16  # include <stdio.h>
      17  # include <stdint.h>
      18  # include <unistd.h>
      19  # include <sys/time.h>
      20  # include "scno.h"
      21  
      22  int
      23  main(void)
      24  {
      25  	TAIL_ALLOC_OBJECT_CONST_PTR(kernel_old_timeval_t, tv);
      26  	TAIL_ALLOC_OBJECT_CONST_PTR(struct timezone, tz);
      27  
      28  	if (syscall(__NR_gettimeofday, tv, NULL))
      29  		perror_msg_and_skip("gettimeofday");
      30  	printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}, NULL) = 0\n",
      31  	       (long long) tv->tv_sec,
      32  	       zero_extend_signed_to_ull(tv->tv_usec));
      33  
      34  	if (syscall(__NR_gettimeofday, tv, tz))
      35  		perror_msg_and_skip("gettimeofday");
      36  	printf("gettimeofday({tv_sec=%lld, tv_usec=%llu}"
      37  	       ", {tz_minuteswest=%d, tz_dsttime=%d}) = 0\n",
      38  	       (long long) tv->tv_sec,
      39  	       zero_extend_signed_to_ull(tv->tv_usec),
      40  	       tz->tz_minuteswest, tz->tz_dsttime);
      41  
      42  	tv->tv_sec = -1;
      43  	tv->tv_usec = 1000000;
      44  	assert(syscall(__NR_settimeofday, tv, tz) == -1);
      45  	printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
      46  	       ", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
      47  	       (long long) tv->tv_sec,
      48  	       zero_extend_signed_to_ull(tv->tv_usec),
      49  	       tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
      50  
      51  	tv->tv_sec = 0xdeadbeefU;
      52  	tv->tv_usec = 0xfacefeedU;
      53  	assert(syscall(__NR_settimeofday, tv, tz) == -1);
      54  	printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
      55  	       ", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
      56  	       (long long) tv->tv_sec,
      57  	       zero_extend_signed_to_ull(tv->tv_usec),
      58  	       tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
      59  
      60  	tv->tv_sec = (typeof(tv->tv_sec)) 0xcafef00ddeadbeefLL;
      61  	tv->tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
      62  	assert(syscall(__NR_settimeofday, tv, tz) == -1);
      63  	printf("settimeofday({tv_sec=%lld, tv_usec=%llu}"
      64  	       ", {tz_minuteswest=%d, tz_dsttime=%d}) = %s\n",
      65  	       (long long) tv->tv_sec,
      66  	       zero_extend_signed_to_ull(tv->tv_usec),
      67  	       tz->tz_minuteswest, tz->tz_dsttime, sprintrc(-1));
      68  
      69  	puts("+++ exited with 0 +++");
      70  	return 0;
      71  }
      72  
      73  #else
      74  
      75  SKIP_MAIN_UNDEFINED("__NR_gettimeofday")
      76  
      77  #endif /* __NR_gettimeofday */