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| author | Dong-hee Na <donghee.na92@gmail.com> | 2020-05-04 13:32:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-04 13:32:42 (GMT) |
| commit | b88cd585d36d6285a5aeb0b6fdb70c134062181e (patch) | |
| tree | 4c5538097274b66804c69601b1805ccbd9ee9509 /Objects | |
| parent | 5e8ffe147710e449c2e935a4e2ff5cbd19828a8a (diff) | |
| download | cpython-b88cd585d36d6285a5aeb0b6fdb70c134062181e.zip cpython-b88cd585d36d6285a5aeb0b6fdb70c134062181e.tar.gz cpython-b88cd585d36d6285a5aeb0b6fdb70c134062181e.tar.bz2 | |
bpo-40455: Remove gcc10 warning about x_digits (#19852)
* bpo-40455: Remove gcc10 warning about x_digits
* bpo-40455: nit
* bpo-40455: fix logic error
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/longobject.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Objects/longobject.c b/Objects/longobject.c index a0bb6bc..11fc75b 100644 --- a/Objects/longobject.c +++ b/Objects/longobject.c @@ -2852,7 +2852,8 @@ _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e) { Py_ssize_t a_size, a_bits, shift_digits, shift_bits, x_size; /* See below for why x_digits is always large enough. */ - digit rem, x_digits[2 + (DBL_MANT_DIG + 1) / PyLong_SHIFT]; + digit rem; + digit x_digits[2 + (DBL_MANT_DIG + 1) / PyLong_SHIFT] = {0,}; double dx; /* Correction term for round-half-to-even rounding. For a digit x, "x + half_even_correction[x & 7]" gives x rounded to the nearest @@ -2902,9 +2903,7 @@ _PyLong_Frexp(PyLongObject *a, Py_ssize_t *e) if (a_bits <= DBL_MANT_DIG + 2) { shift_digits = (DBL_MANT_DIG + 2 - a_bits) / PyLong_SHIFT; shift_bits = (DBL_MANT_DIG + 2 - a_bits) % PyLong_SHIFT; - x_size = 0; - while (x_size < shift_digits) - x_digits[x_size++] = 0; + x_size = shift_digits; rem = v_lshift(x_digits + x_size, a->ob_digit, a_size, (int)shift_bits); x_size += a_size; |