[3.12] gh-105967: Work around a macOS bug, limit zlib C library crc32 API calls to 1gig (GH-112615) #112724
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…API calls to 1gig (pythonGH-112615) Work around a macOS bug, limit zlib crc32 calls to 1GiB. Without this, `zlib.crc32` and `binascii.crc32` could produce incorrect results on multi-gigabyte inputs depending on the macOS version's Apple supplied zlib implementation. (cherry picked from commit 4eddb4c) Co-authored-by: Gregory P. Smith <greg@krypto.org>
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Work around a macOS bug, limit zlib crc32 calls to 1GiB.
Without this,
zlib.crc32andbinascii.crc32could produce incorrectresults on multi-gigabyte inputs depending on the macOS version's Apple
supplied zlib implementation.
(cherry picked from commit 4eddb4c)
Co-authored-by: Gregory P. Smith greg@krypto.org