diff options
Diffstat (limited to 'Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst')
| -rw-r--r-- | Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst b/Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst index e3ee6dc..092d457 100644 --- a/Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst +++ b/Misc/NEWS.d/next/C API/2020-05-06-23-54-57.bpo-30459.N9_Jai.rst @@ -1,2 +1,6 @@ -Cast the result of :c:func:`PyList_SET_ITEM` and :c:func:`PyTuple_SET_ITEM` -to void. +:c:func:`PyList_SET_ITEM`, :c:func:`PyTuple_SET_ITEM` and :c:func:`PyCell_SET` +macros can no longer be used as l-value or r-value. For example, +``x = PyList_SET_ITEM(a, b, c)`` and ``PyList_SET_ITEM(a, b, c) = x`` now fail +with a compiler error. It prevents bugs like +``if (PyList_SET_ITEM (a, b, c) < 0) ...`` test. +Patch by Zackery Spytz and Victor Stinner. |