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bpo-40302: Add pycore_byteswap.h header file (GH-19552)

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Add a new internal pycore_byteswap.h header file with the following
functions:

* _Py_bswap16()
* _Py_bswap32()
* _Py_bswap64()

Use these functions in _ctypes, sha256 and sha512 modules,
and also use in the UTF-32 encoder.

sha256, sha512 and _ctypes modules are now built with the internal
C API.
This commit is contained in:
Victor Stinner 2020-04-17 17:47:20 +02:00 • committed by GitHub
parent 485e715cb1
commit 1ae035b7e8
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13 changed files with 219 additions and 112 deletions
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Modules/Setup
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@ -247,8 +247,8 @@ _symtable symtablemodule.c
# The _sha module implements the SHA checksum algorithms.
# (NIST's Secure Hash Algorithms.)
#_sha1 sha1module.c
#_sha256 sha256module.c
#_sha512 sha512module.c
#_sha256 sha256module.c -DPy_BUILD_CORE_BUILTIN
#_sha512 sha512module.c -DPy_BUILD_CORE_BUILTIN
#_sha3 _sha3/sha3module.c
# _blake module