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gh-83714: Fix stat_nanosecond_timestamp() for 32-bit time_t (#141069)

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This commit is contained in:
Victor Stinner
2025-11-05 21:16:37 +01:00
committed by GitHub
parent f458ac01ba
commit 986bb0a1a2
1 changed files with 4 additions and 2 deletions
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6
Modules/posixmodule.c
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@@ -2634,13 +2634,14 @@ _posix_free(void *module)
static PyObject * static PyObject *
stat_nanosecond_timestamp(_posixstate *state, time_t sec, unsigned long nsec) stat_nanosecond_timestamp(_posixstate *state, time_t sec, unsigned long nsec)
{ {
#if SIZEOF_LONG >= 8 #if SIZEOF_TIME_T == 4
return PyLong_FromLongLong(sec * SEC_TO_NS + nsec);
#else
/* 1677-09-21 00:12:44 to 2262-04-11 23:47:15 UTC inclusive */ /* 1677-09-21 00:12:44 to 2262-04-11 23:47:15 UTC inclusive */
if ((LLONG_MIN/SEC_TO_NS) <= sec && sec <= (LLONG_MAX/SEC_TO_NS - 1)) { if ((LLONG_MIN/SEC_TO_NS) <= sec && sec <= (LLONG_MAX/SEC_TO_NS - 1)) {
return PyLong_FromLongLong(sec * SEC_TO_NS + nsec); return PyLong_FromLongLong(sec * SEC_TO_NS + nsec);
} }
else else
#endif
{ {
PyObject *ns_total = NULL; PyObject *ns_total = NULL;
PyObject *s_in_ns = NULL; PyObject *s_in_ns = NULL;
@@ -2663,6 +2664,7 @@ stat_nanosecond_timestamp(_posixstate *state, time_t sec, unsigned long nsec)
Py_XDECREF(s_in_ns); Py_XDECREF(s_in_ns);
return ns_total; return ns_total;
} }
#endif
} }
static int static int