New submission from STINNER Victor: GCC allows to get "size" parameters of functions allocating memory to emit better warning. For example, GCC 7 will detect implicit cast from signed to unsigned integer and emit a warning.
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html Example of Python functions that can benefit of this attribute: * PyMem_RawMalloc(), PyMem_RawCalloc(), PyMem_RawRealloc() * PyMem_Malloc(), PyMem_Calloc(), PyMem_Realloc() * PyObject_Malloc(), PyObject_Calloc(), PyObject_Realloc() ---------- messages: 288699 nosy: haypo priority: normal severity: normal status: open title: Use GCC __attribute__((alloc_size(x,y))) on PyMem_Malloc() functions versions: Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29674> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
