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Title: [2.7] bpo-29565: Corrected ctypes passing of large structs by value on Windows AMD64. (#168) by vstinner · Pull Request #8625 · python/cpython · GitHub

Open Graph Title: [2.7] bpo-29565: Corrected ctypes passing of large structs by value on Windows AMD64. (#168) by vstinner · Pull Request #8625 · python/cpython

X Title: [2.7] bpo-29565: Corrected ctypes passing of large structs by value on Windows AMD64. (#168) by vstinner · Pull Request #8625 · python/cpython

Description: Fixed bpo-29565: Corrected ctypes passing of large structs by value. Added code and test to check that when a structure passed by value is large enough to need to be passed by reference, a copy of the original structure is passed. The callee updates the passed-in value, and the test verifies that the caller's copy is unchanged. A similar change was also added to the test added for bpo-20160 (that test was passing, but the changes should guard against regressions). (cherry picked from commit a86339b) https://bugs.python.org/issue29565

Open Graph Description: Fixed bpo-29565: Corrected ctypes passing of large structs by value. Added code and test to check that when a structure passed by value is large enough to need to be passed by reference, a copy of ...

X Description: Fixed bpo-29565: Corrected ctypes passing of large structs by value. Added code and test to check that when a structure passed by value is large enough to need to be passed by reference, a copy of ...

Opengraph URL: https://github.com/python/cpython/pull/8625

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[2.7] bpo-29565: Corrected ctypes passing of large structs by value on Windows AMD64. (#168) https://github.com/python/cpython/pull/8625/files#top
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2425a58 Fixed bpo-29565: Corrected ctypes passing of large structs by value o… vsajip Feb 20, 2017 https://github.com/python/cpython/pull/8625/commits/2425a58478c7b874d2609071fe398d53abcc2b53
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