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Fix test_time on Windows

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* Filter values which would overflow on conversion to the C long type
  (for timeval.tv_sec).
* Adjust also the message of OverflowError on PyTime conversions
* test_time: add debug information if a timestamp conversion fails
This commit is contained in:
Victor Stinner 2015-09-10 09:10:14 +02:00
parent 4f1f6e4618
commit 9c72f9b30a
2 changed files with 32 additions and 29 deletions
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28
Python/pytime.c
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@ -288,18 +288,21 @@ _PyTime_FromObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round,
else {
#ifdef HAVE_LONG_LONG
PY_LONG_LONG sec;
sec = PyLong_AsLongLong(obj);
assert(sizeof(PY_LONG_LONG) <= sizeof(_PyTime_t));
sec = PyLong_AsLongLong(obj);
#else
long sec;
sec = PyLong_AsLong(obj);
assert(sizeof(PY_LONG_LONG) <= sizeof(_PyTime_t));
sec = PyLong_AsLong(obj);
#endif
if (sec == -1 && PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_OverflowError))
_PyTime_overflow();
return -1;
}
*t = sec * unit_to_ns;
if (*t / unit_to_ns != sec) {
_PyTime_overflow();
@ -404,27 +407,12 @@ _PyTime_AsTimeval_impl(_PyTime_t t, struct timeval *tv, _PyTime_round_t round,
ns = t % SEC_TO_NS;
#ifdef MS_WINDOWS
/* On Windows, timeval.tv_sec is a long (32 bit),
whereas time_t can be 64-bit. */
assert(sizeof(tv->tv_sec) == sizeof(long));
#if SIZEOF_TIME_T > SIZEOF_LONG
if (secs > LONG_MAX) {
secs = LONG_MAX;
res = -1;
}
else if (secs < LONG_MIN) {
secs = LONG_MIN;
res = -1;
}
#endif
tv->tv_sec = (long)secs;
#else
/* On OpenBSD 5.4, timeval.tv_sec is a long.
Example: long is 64-bit, whereas time_t is 32-bit. */
tv->tv_sec = secs;
#endif
if ((_PyTime_t)tv->tv_sec != secs)
res = -1;
#endif
usec = (int)_PyTime_Divide(ns, US_TO_NS, round);
if (usec < 0) {
@ -440,7 +428,7 @@ _PyTime_AsTimeval_impl(_PyTime_t t, struct timeval *tv, _PyTime_round_t round,
tv->tv_usec = usec;
if (res && raise)
_PyTime_overflow();
error_time_t_overflow();
return res;
}
@ -473,7 +461,7 @@ _PyTime_AsTimespec(_PyTime_t t, struct timespec *ts)
ts->tv_nsec = nsec;
if ((_PyTime_t)ts->tv_sec != secs) {
_PyTime_overflow();
error_time_t_overflow();
return -1;
}
return 0;