Index: python/Modules/expat/expat_external.h =================================================================== RCS file: /cvsroot/python/python/dist/src/Modules/expat/expat_external.h,v retrieving revision 1.1 diff -u -r1.1 expat_external.h --- python/Modules/expat/expat_external.h 3 Aug 2004 07:06:22 -0000 1.1 +++ python/Modules/expat/expat_external.h 19 Sep 2005 21:32:50 -0000 @@ -4,6 +4,10 @@ /* External API definitions */ +/* Namespace external symbols to allow multiple libexpat version to + co-exist. */ +#include "pyexpatns.h" + #if defined(_MSC_EXTENSIONS) && !defined(__BEOS__) && !defined(__CYGWIN__) #define XML_USE_MSC_EXTENSIONS 1 #endif Index: python/Modules/expat/pyexpatns.h =================================================================== RCS file: Modules/expat/pyexpatns.h diff -N Modules/expat/pyexpatns.h --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ python/Modules/expat/pyexpatns.h 19 Sep 2005 21:32:50 -0000 @@ -0,0 +1,121 @@ +/* Copyright (c) 2005 ActiveState Corp. + * + * Namespace all expat exported symbols to avoid dynamic loading symbol + * collisions when embedding Python. + * + * The Problem: + * - you embed Python in some app + * - the app dynamically loads libexpat of version X + * - the embedded Python imports pyexpat (which was built against + * libexpat version X+n) + * --> pyexpat gets the expat symbols from the already loaded and *older* + * libexpat: crash (Specifically the crash we observed was in + * getting an old XML_ErrorString (from xmlparse.c) and then calling + * it with newer values in the XML_Error enum: + * + * // pyexpat.c, line 1970 + * ... + * // Added in Expat 1.95.7. + * MYCONST(XML_ERROR_UNBOUND_PREFIX); + * ... + * + * + * The Solution: + * Prefix all a exported symbols with "PyExpat_". This is similar to + * what Mozilla does for some common libs: + * http://lxr.mozilla.org/seamonkey/source/modules/libimg/png/mozpngconf.h#115 + * + * The list of relevant exported symbols can be had with this command: + * + nm pyexpat.so \ + | grep -v " [a-zBUA] " \ + | grep -v "_fini\|_init\|initpyexpat" + */ + +#ifndef PYEXPATNS_H +#define PYEXPATNS_H + +#define XML_DefaultCurrent PyExpat_XML_DefaultCurrent +#define XML_ErrorString PyExpat_XML_ErrorString +#define XML_ExpatVersion PyExpat_XML_ExpatVersion +#define XML_ExpatVersionInfo PyExpat_XML_ExpatVersionInfo +#define XML_ExternalEntityParserCreate PyExpat_XML_ExternalEntityParserCreate +#define XML_FreeContentModel PyExpat_XML_FreeContentModel +#define XML_GetBase PyExpat_XML_GetBase +#define XML_GetBuffer PyExpat_XML_GetBuffer +#define XML_GetCurrentByteCount PyExpat_XML_GetCurrentByteCount +#define XML_GetCurrentByteIndex PyExpat_XML_GetCurrentByteIndex +#define XML_GetCurrentColumnNumber PyExpat_XML_GetCurrentColumnNumber +#define XML_GetCurrentLineNumber PyExpat_XML_GetCurrentLineNumber +#define XML_GetErrorCode PyExpat_XML_GetErrorCode +#define XML_GetFeatureList PyExpat_XML_GetFeatureList +#define XML_GetIdAttributeIndex PyExpat_XML_GetIdAttributeIndex +#define XML_GetInputContext PyExpat_XML_GetInputContext +#define XML_GetParsingStatus PyExpat_XML_GetParsingStatus +#define XML_GetSpecifiedAttributeCount PyExpat_XML_GetSpecifiedAttributeCount +#define XmlGetUtf16InternalEncoding PyExpat_XmlGetUtf16InternalEncoding +#define XmlGetUtf16InternalEncodingNS PyExpat_XmlGetUtf16InternalEncodingNS +#define XmlGetUtf8InternalEncoding PyExpat_XmlGetUtf8InternalEncoding +#define XmlGetUtf8InternalEncodingNS PyExpat_XmlGetUtf8InternalEncodingNS +#define XmlInitEncoding PyExpat_XmlInitEncoding +#define XmlInitEncodingNS PyExpat_XmlInitEncodingNS +#define XmlInitUnknownEncoding PyExpat_XmlInitUnknownEncoding +#define XmlInitUnknownEncodingNS PyExpat_XmlInitUnknownEncodingNS +#define XML_MemFree PyExpat_XML_MemFree +#define XML_MemMalloc PyExpat_XML_MemMalloc +#define XML_MemRealloc PyExpat_XML_MemRealloc +#define XML_Parse PyExpat_XML_Parse +#define XML_ParseBuffer PyExpat_XML_ParseBuffer +#define XML_ParserCreate PyExpat_XML_ParserCreate +#define XML_ParserCreate_MM PyExpat_XML_ParserCreate_MM +#define XML_ParserCreateNS PyExpat_XML_ParserCreateNS +#define XML_ParserFree PyExpat_XML_ParserFree +#define XML_ParserReset PyExpat_XML_ParserReset +#define XmlParseXmlDecl PyExpat_XmlParseXmlDecl +#define XmlParseXmlDeclNS PyExpat_XmlParseXmlDeclNS +#define XmlPrologStateInit PyExpat_XmlPrologStateInit +#define XmlPrologStateInitExternalEntity PyExpat_XmlPrologStateInitExternalEntity +#define XML_ResumeParser PyExpat_XML_ResumeParser +#define XML_SetAttlistDeclHandler PyExpat_XML_SetAttlistDeclHandler +#define XML_SetBase PyExpat_XML_SetBase +#define XML_SetCdataSectionHandler PyExpat_XML_SetCdataSectionHandler +#define XML_SetCharacterDataHandler PyExpat_XML_SetCharacterDataHandler +#define XML_SetCommentHandler PyExpat_XML_SetCommentHandler +#define XML_SetDefaultHandler PyExpat_XML_SetDefaultHandler +#define XML_SetDefaultHandlerExpand PyExpat_XML_SetDefaultHandlerExpand +#define XML_SetDoctypeDeclHandler PyExpat_XML_SetDoctypeDeclHandler +#define XML_SetElementDeclHandler PyExpat_XML_SetElementDeclHandler +#define XML_SetElementHandler PyExpat_XML_SetElementHandler +#define XML_SetEncoding PyExpat_XML_SetEncoding +#define XML_SetEndCdataSectionHandler PyExpat_XML_SetEndCdataSectionHandler +#define XML_SetEndDoctypeDeclHandler PyExpat_XML_SetEndDoctypeDeclHandler +#define XML_SetEndElementHandler PyExpat_XML_SetEndElementHandler +#define XML_SetEndNamespaceDeclHandler PyExpat_XML_SetEndNamespaceDeclHandler +#define XML_SetEntityDeclHandler PyExpat_XML_SetEntityDeclHandler +#define XML_SetExternalEntityRefHandler PyExpat_XML_SetExternalEntityRefHandler +#define XML_SetExternalEntityRefHandlerArg PyExpat_XML_SetExternalEntityRefHandlerArg +#define XML_SetNamespaceDeclHandler PyExpat_XML_SetNamespaceDeclHandler +#define XML_SetNotationDeclHandler PyExpat_XML_SetNotationDeclHandler +#define XML_SetNotStandaloneHandler PyExpat_XML_SetNotStandaloneHandler +#define XML_SetParamEntityParsing PyExpat_XML_SetParamEntityParsing +#define XML_SetProcessingInstructionHandler PyExpat_XML_SetProcessingInstructionHandler +#define XML_SetReturnNSTriplet PyExpat_XML_SetReturnNSTriplet +#define XML_SetSkippedEntityHandler PyExpat_XML_SetSkippedEntityHandler +#define XML_SetStartCdataSectionHandler PyExpat_XML_SetStartCdataSectionHandler +#define XML_SetStartDoctypeDeclHandler PyExpat_XML_SetStartDoctypeDeclHandler +#define XML_SetStartElementHandler PyExpat_XML_SetStartElementHandler +#define XML_SetStartNamespaceDeclHandler PyExpat_XML_SetStartNamespaceDeclHandler +#define XML_SetUnknownEncodingHandler PyExpat_XML_SetUnknownEncodingHandler +#define XML_SetUnparsedEntityDeclHandler PyExpat_XML_SetUnparsedEntityDeclHandler +#define XML_SetUserData PyExpat_XML_SetUserData +#define XML_SetXmlDeclHandler PyExpat_XML_SetXmlDeclHandler +#define XmlSizeOfUnknownEncoding PyExpat_XmlSizeOfUnknownEncoding +#define XML_StopParser PyExpat_XML_StopParser +#define XML_UseForeignDTD PyExpat_XML_UseForeignDTD +#define XML_UseParserAsHandlerArg PyExpat_XML_UseParserAsHandlerArg +#define XmlUtf16Encode PyExpat_XmlUtf16Encode +#define XmlUtf8Encode PyExpat_XmlUtf8Encode + + +#endif /* !PYEXPATNS_H */ +