diff options
| -rw-r--r-- | time/Makefile | 3 | ||||
| -rw-r--r-- | time/tst-settimeofday.c | 55 |
2 files changed, 57 insertions, 1 deletions
diff --git a/time/Makefile b/time/Makefile index b3c5368c3b..99b5d42666 100644 --- a/time/Makefile +++ b/time/Makefile @@ -48,7 +48,8 @@ tests := test_time clocktest tst-posixtz tst-strptime tst_wcsftime \ tst-strptime3 bug-getdate1 tst-strptime-whitespace tst-ftime \ tst-tzname tst-y2039 bug-mktime4 tst-strftime2 tst-strftime3 \ tst-clock tst-clock2 tst-clock_nanosleep tst-cpuclock1 \ - tst-adjtime tst-ctime tst-difftime tst-mktime4 tst-clock_settime + tst-adjtime tst-ctime tst-difftime tst-mktime4 tst-clock_settime \ + tst-settimeofday include ../Rules diff --git a/time/tst-settimeofday.c b/time/tst-settimeofday.c new file mode 100644 index 0000000000..2c7d0c52d7 --- /dev/null +++ b/time/tst-settimeofday.c @@ -0,0 +1,55 @@ +/* Test for settimeofday + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <time.h> +#include <stdlib.h> +#include <sys/time.h> +#include <support/check.h> +#include <support/xtime.h> + +#define TIMESPEC_SEC_Y2038_OV 0x7FFFFFFF +#define FUTURE_TIME (TIMESPEC_SEC_Y2038_OV - 10) + +static int +do_test (void) +{ + const struct timeval tv = { FUTURE_TIME, 0}; + struct timespec tv_future, tv_now; + + /* Check if altering target time is allowed. */ + if (getenv (SETTIME_ENV_NAME) == NULL) + FAIL_UNSUPPORTED ("settimeofday is executed only when "\ + SETTIME_ENV_NAME" is set\n"); + + tv_now = xclock_now (CLOCK_REALTIME); + int ret = settimeofday (&tv, NULL); + if (ret == -1) + FAIL_EXIT1 ("settimeofday failed: %m\n"); + + tv_future = xclock_now (CLOCK_REALTIME); + + /* Restore old time value on target machine. */ + xclock_settime (CLOCK_REALTIME, (const struct timespec*) &tv_now); + + if (tv_future.tv_sec < tv.tv_sec) + FAIL_EXIT1 ("settimeofday set wrong time!\n"); + + return 0; +} + +#include <support/test-driver.c> |