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bpo-24658: os.read() reuses _PY_READ_MAX (GH-10657)
authorMiss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Thu, 22 Nov 2018 14:25:25 +0000 (06:25 -0800)
committerGitHub <noreply@github.com>
Thu, 22 Nov 2018 14:25:25 +0000 (06:25 -0800)
commit0c15e508baec7e542933db2b31ea950a646cd968
treea023877f975ec1e180571c9caa969c62a83f1fc9tree | snapshot
parentc487cf9261c61f0db4e5d1df3c83a60384b330dbcommit | diff
bpo-24658: os.read() reuses _PY_READ_MAX (GH-10657)

os_read_impl() now also truncates the size to _PY_READ_MAX
on macOS, to avoid to allocate a larger buffer even if _Py_read() is
limited to _PY_READ_MAX bytes (ex: INT_MAX on macOS).
(cherry picked from commit 9a0d7a7648547ffb77144bf2480155f6d7940dea)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
Modules/posixmodule.c diff | blob | blame | history
Mirror of https://github.com/python/cpython.git