New submission from STINNER Victor <vstin...@redhat.com>:
Warning seen on Fedora 29 with GCC 8.3.1 20190223 (Red Hat 8.3.1-2):
Objects/structseq.c: In function 'structseq_repr':
Objects/structseq.c:187:5: warning: 'strncpy' specified bound depends on the
length of the source argument [-Wstringop-overflow=]
strncpy(pbuf, typ->tp_name, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Objects/structseq.c:185:11: note: length computed here
len = strlen(typ->tp_name) > TYPE_MAXSIZE ? TYPE_MAXSIZE :
^~~~~~~~~~~~~~~~~~~~
Attached PR rewrites structseq_repr() using _PyUnicodeWriter for better
performance and remove the arbitrary limit of 512 bytes.
----------
components: Interpreter Core
messages: 338361
nosy: vstinner
priority: normal
severity: normal
status: open
title: Objects/structseq.c: warning: 'strncpy' specified bound depends on the
length of the source argument
versions: Python 3.8
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36365>
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