traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Issue #16096: port fix from 3.3

This commit is contained in:
Mark Dickinson 2012-10-06 18:50:19 +01:00
parent ff9c54aca2 fc9adb62fb
commit cf46d62fcb
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Objects/longobject.c
View File

@ -668,10 +668,9 @@ _PyLong_NumBits(PyObject *vv)
assert(ndigits == 0 || v->ob_digit[ndigits - 1] != 0); assert(ndigits == 0 || v->ob_digit[ndigits - 1] != 0);
if (ndigits > 0) { if (ndigits > 0) {
digit msd = v->ob_digit[ndigits - 1]; digit msd = v->ob_digit[ndigits - 1];
if ((size_t)(ndigits - 1) > PY_SIZE_MAX / (size_t)PyLong_SHIFT)
result = (ndigits - 1) * PyLong_SHIFT;
if (result / PyLong_SHIFT != (size_t)(ndigits - 1))
goto Overflow; goto Overflow;
result = (size_t)(ndigits - 1) * (size_t)PyLong_SHIFT;
do { do {
++result; ++result;
if (result == 0) if (result == 0)