bpo-36127: Fix compiler warning in _PyArg_UnpackKeywords().#12353
Merged
serhiy-storchaka merged 1 commit intopython:masterfrom Mar 16, 2019
Merged
bpo-36127: Fix compiler warning in _PyArg_UnpackKeywords().#12353serhiy-storchaka merged 1 commit intopython:masterfrom
serhiy-storchaka merged 1 commit intopython:masterfrom
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vstinner
reviewed
Mar 18, 2019
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| /* copy keyword args using kwtuple to drive process */ | ||
| for (i = Py_MAX(nargs, posonly); i < maxargs; i++) { | ||
| for (i = Py_MAX((int)nargs, posonly); i < maxargs; i++) { |
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I'm not sure that this code is safe is nargs > INT_MAX. (int)(INT_MAX+1) gives 0, no?
Maybe write something like:
i = (nargs < INT_MAX) ? (int)nargs : INT_MAX;
i = Py_MAX(i, posonly);
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Since
nargs <= maxpos,nargscan be casted tointwithout lost.https://bugs.python.org/issue36127