New submission from STINNER Victor: The PyMem_Malloc(size) function has a well defined behaviour: if size is 0, a pointer different than NULL is returned. It looks like ckalloc(size) returns NULL if the size is NULL: see issue #21951 (bug on AIX).
Moreover, memory allocated by ckalloc() is not traced by the new tracemalloc module! Attached patch replaces calls to ckalloc() and ckfree() with PyMem_Malloc() and PyMem_Free(). It may fix the issue #21951 on AIX. There is still a call to ckfree() in Tkapp_SplitList(). This memory block is allocated internally by Tcl, not directly by _tkinter.c. ---------- files: pymem.patch keywords: patch messages: 226363 nosy: David.Edelsohn, haypo, serhiy.storchaka priority: normal severity: normal status: open title: _tkinter should use Python PyMem_Malloc() instead of Tcl ckalloc() type: enhancement versions: Python 3.5 Added file: http://bugs.python.org/file36533/pymem.patch _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue22336> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
