cython

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# tag: posix
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from libc.stdlib  cimport getenv
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from posix.stdlib cimport setenv, unsetenv
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from libc.time    cimport *
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def test_time():
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    """
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    >>> test_time()
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    """
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    cdef time_t t1, t2
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    t1 = time(NULL)
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    assert t1 != 0
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    t1 = time(&t2)
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    assert t1 == t2
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def test_mktime():
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    """
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    >>> test_mktime()  # doctest:+ELLIPSIS
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    (986138177, ...'Sun Apr  1 15:16:17 2001\\n')
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    """
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    cdef tm t, gmt
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    cdef time_t tt
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    cdef char *ct
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    cdef char *tz
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    tz = getenv("TZ")
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    setenv("TZ", "UTC", 1)
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    tzset()
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    t.tm_sec = 17
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    t.tm_min = 16
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    t.tm_hour = 15
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    t.tm_year = 101
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    t.tm_mon = 3
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    t.tm_mday = 1
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    t.tm_isdst = 0
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    tt = mktime(&t)
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    assert tt != -1
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    ct = ctime(&tt)
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    assert ct != NULL
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    if tz:
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        setenv("TZ", tz, 1)
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    else:
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        unsetenv("TZ")
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    tzset()
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    return tt, ct
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