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bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397)

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The libexpat 2.4.1 upgrade from  introduced the following new exported symbols:

* `testingAccountingGetCountBytesDirect`
* `testingAccountingGetCountBytesIndirect`
* `unsignedCharToPrintable`
* `XML_SetBillionLaughsAttackProtectionActivationThreshold`
* `XML_SetBillionLaughsAttackProtectionMaximumAmplification`

We need to adjust [Modules/expat/pyexpatns.h](https://github.com/python/cpython/blob/master/Modules/expat/pyexpatns.h)

(The newer libexpat upgrade  has no new symbols).

Automerge-Triggered-By: GH:gpshead
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Yilei "Dolee" Yang 2022-02-18 14:33:06 -08:00 committed by GitHub
parent 892ff93d7f
commit 6312c1052c
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1
Misc/NEWS.d/next/Library/2022-02-18-22-10-30.bpo-46784.SVOQJx.rst Normal file
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@ -0,0 +1 @@
Fix libexpat symbols collisions with user dynamically loaded or statically linked libexpat in embedded Python.

5
Modules/expat/pyexpatns.h
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@ -38,6 +38,9 @@
#ifndef PYEXPATNS_H
#define PYEXPATNS_H
#define testingAccountingGetCountBytesDirect PyExpat_testingAccountingGetCountBytesDirect
#define testingAccountingGetCountBytesIndirect PyExpat_testingAccountingGetCountBytesIndirect
#define unsignedCharToPrintable PyExpat_unsignedCharToPrintable
#define XML_DefaultCurrent PyExpat_XML_DefaultCurrent
#define XML_ErrorString PyExpat_XML_ErrorString
#define XML_ExpatVersion PyExpat_XML_ExpatVersion
@ -81,6 +84,8 @@
#define XML_ResumeParser PyExpat_XML_ResumeParser
#define XML_SetAttlistDeclHandler PyExpat_XML_SetAttlistDeclHandler
#define XML_SetBase PyExpat_XML_SetBase
#define XML_SetBillionLaughsAttackProtectionActivationThreshold PyExpat_XML_SetBillionLaughsAttackProtectionActivationThreshold
#define XML_SetBillionLaughsAttackProtectionMaximumAmplification PyExpat_XML_SetBillionLaughsAttackProtectionMaximumAmplification
#define XML_SetCdataSectionHandler PyExpat_XML_SetCdataSectionHandler
#define XML_SetCharacterDataHandler PyExpat_XML_SetCharacterDataHandler
#define XML_SetCommentHandler PyExpat_XML_SetCommentHandler