diff options
Diffstat (limited to 'Objects/dictobject.c')
| -rw-r--r-- | Objects/dictobject.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Objects/dictobject.c b/Objects/dictobject.c index 59b0cf1ce7d..fd8ccf56324 100644 --- a/Objects/dictobject.c +++ b/Objects/dictobject.c @@ -547,13 +547,13 @@ static inline uint8_t calculate_log2_keysize(Py_ssize_t minsize) { #if SIZEOF_LONG == SIZEOF_SIZE_T - minsize = (minsize | PyDict_MINSIZE) - 1; - return _Py_bit_length(minsize | (PyDict_MINSIZE-1)); + minsize = Py_MAX(minsize, PyDict_MINSIZE); + return _Py_bit_length(minsize - 1); #elif defined(_MSC_VER) - // On 64bit Windows, sizeof(long) == 4. - minsize = (minsize | PyDict_MINSIZE) - 1; + // On 64bit Windows, sizeof(long) == 4. We cannot use _Py_bit_length. + minsize = Py_MAX(minsize, PyDict_MINSIZE); unsigned long msb; - _BitScanReverse64(&msb, (uint64_t)minsize); + _BitScanReverse64(&msb, (uint64_t)minsize - 1); return (uint8_t)(msb + 1); #else uint8_t log2_size; @@ -2916,6 +2916,11 @@ clear_lock_held(PyObject *op) } void +_PyDict_Clear_LockHeld(PyObject *op) { + clear_lock_held(op); +} + +void PyDict_Clear(PyObject *op) { Py_BEGIN_CRITICAL_SECTION(op); @@ -3178,9 +3183,10 @@ dict_set_fromkeys(PyInterpreterState *interp, PyDictObject *mp, Py_ssize_t pos = 0; PyObject *key; Py_hash_t hash; - - if (dictresize(interp, mp, - estimate_log2_keysize(PySet_GET_SIZE(iterable)), 0)) { + uint8_t new_size = Py_MAX( + estimate_log2_keysize(PySet_GET_SIZE(iterable)), + DK_LOG_SIZE(mp->ma_keys)); + if (dictresize(interp, mp, new_size, 0)) { Py_DECREF(mp); return NULL; } |