[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

Thank you for your PR Alexey.

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[Alexey Izbyshev]

Change by Alexey Izbyshev :


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[miss-islington]

miss-islington  added the comment:


New changeset 65a13c19e86488119cc9bc192f5a0b846d90940f by Miss Islington (bot) 
in branch '3.6':
bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (GH-5739)
https://github.com/python/cpython/commit/65a13c19e86488119cc9bc192f5a0b846d90940f


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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[miss-islington]

miss-islington  added the comment:


New changeset ca82e3c0ec4d0d5ce4e1ffec98cc341cb5913446 by Miss Islington (bot) 
in branch '3.7':
bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (GH-5739)
https://github.com/python/cpython/commit/ca82e3c0ec4d0d5ce4e1ffec98cc341cb5913446


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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[miss-islington]

Change by miss-islington :


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pull_requests: +5519

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[miss-islington]

Change by miss-islington :


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pull_requests: +5518

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset b3b4a9d3001f1fc7df8efcccdce081de54fa5eab by Serhiy Storchaka 
(Alexey Izbyshev) in branch 'master':
bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (#5739)
https://github.com/python/cpython/commit/b3b4a9d3001f1fc7df8efcccdce081de54fa5eab


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nosy: +serhiy.storchaka

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[Alexey Izbyshev]

Change by Alexey Izbyshev :


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keywords: +patch
pull_requests: +5517
stage:  -> patch review

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[issue32869] Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj

[Alexey Izbyshev]

New submission from Alexey Izbyshev :

MultiByteToWideChar expects the destination buffer size to be given in wide 
characters, not bytes.

This is currently not a real issue since _Py_fopen_obj is only used internally 
with mode being a short constant string in all call sites I've found.

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components: IO, Windows
messages: 312314
nosy: izbyshev, paul.moore, steve.dower, tim.golden, vstinner, zach.ware
priority: normal
severity: normal
status: open
title: Incorrect dst buffer size for MultiByteToWideChar in _Py_fopen_obj
type: enhancement
versions: Python 3.6, Python 3.7

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