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xpath: Fix build without LIBXML_XPATH_ENABLED
Move static function declaration into XPATH block. Also move comparison functions. Fixes #537.
This commit is contained in:
Nick Wellnhofer
parent
235b15a590
commit
01723fc68f
216
xpath.c
216
xpath.c
@ -145,6 +145,114 @@
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* any use of the macros IS_ASCII_CHARACTER and IS_ASCII_DIGIT)
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*/
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#if defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
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/************************************************************************
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* *
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* Floating point stuff *
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* *
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************************************************************************/
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double xmlXPathNAN = 0.0;
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double xmlXPathPINF = 0.0;
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double xmlXPathNINF = 0.0;
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/**
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* xmlXPathInit:
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*
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* DEPRECATED: Alias for xmlInitParser.
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*/
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void
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xmlXPathInit(void) {
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xmlInitParser();
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}
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/**
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* xmlInitXPathInternal:
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*
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* Initialize the XPath environment
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*/
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ATTRIBUTE_NO_SANITIZE("float-divide-by-zero")
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void
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xmlInitXPathInternal(void) {
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#if defined(NAN) && defined(INFINITY)
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xmlXPathNAN = NAN;
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xmlXPathPINF = INFINITY;
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xmlXPathNINF = -INFINITY;
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#else
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/* MSVC doesn't allow division by zero in constant expressions. */
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double zero = 0.0;
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xmlXPathNAN = 0.0 / zero;
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xmlXPathPINF = 1.0 / zero;
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xmlXPathNINF = -xmlXPathPINF;
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#endif
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}
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/**
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* xmlXPathIsNaN:
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* @val: a double value
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*
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* Returns 1 if the value is a NaN, 0 otherwise
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*/
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int
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xmlXPathIsNaN(double val) {
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#ifdef isnan
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return isnan(val);
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#else
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return !(val == val);
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#endif
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}
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/**
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* xmlXPathIsInf:
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* @val: a double value
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*
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* Returns 1 if the value is +Infinite, -1 if -Infinite, 0 otherwise
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*/
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int
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xmlXPathIsInf(double val) {
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#ifdef isinf
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return isinf(val) ? (val > 0 ? 1 : -1) : 0;
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#else
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if (val >= xmlXPathPINF)
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return 1;
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if (val <= -xmlXPathPINF)
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return -1;
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return 0;
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#endif
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}
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#endif /* SCHEMAS or XPATH */
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#ifdef LIBXML_XPATH_ENABLED
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/*
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* TODO: when compatibility allows remove all "fake node libxslt" strings
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* the test should just be name[0] = ' '
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*/
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#ifdef DEBUG_XPATH_EXPRESSION
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#define DEBUG_STEP
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#define DEBUG_EXPR
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#define DEBUG_EVAL_COUNTS
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#endif
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static xmlNs xmlXPathXMLNamespaceStruct = {
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NULL,
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XML_NAMESPACE_DECL,
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XML_XML_NAMESPACE,
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BAD_CAST "xml",
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NULL,
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NULL
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};
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static xmlNsPtr xmlXPathXMLNamespace = &xmlXPathXMLNamespaceStruct;
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#ifndef LIBXML_THREAD_ENABLED
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/*
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* Optimizer is disabled only when threaded apps are detected while
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* the library ain't compiled for thread safety.
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*/
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static int xmlXPathDisableOptimizer = 0;
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#endif
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static void
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xmlXPathNodeSetClear(xmlNodeSetPtr set, int hasNsNodes);
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@ -475,114 +583,6 @@ int wrap_cmp( xmlNodePtr x, xmlNodePtr y );
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#include "timsort.h"
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#endif /* WITH_TIM_SORT */
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#if defined(LIBXML_XPATH_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED)
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/************************************************************************
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* *
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* Floating point stuff *
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* *
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************************************************************************/
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double xmlXPathNAN = 0.0;
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double xmlXPathPINF = 0.0;
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double xmlXPathNINF = 0.0;
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/**
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* xmlXPathInit:
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*
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* DEPRECATED: Alias for xmlInitParser.
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*/
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void
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xmlXPathInit(void) {
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xmlInitParser();
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}
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/**
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* xmlInitXPathInternal:
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*
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* Initialize the XPath environment
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*/
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ATTRIBUTE_NO_SANITIZE("float-divide-by-zero")
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void
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xmlInitXPathInternal(void) {
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#if defined(NAN) && defined(INFINITY)
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xmlXPathNAN = NAN;
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xmlXPathPINF = INFINITY;
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xmlXPathNINF = -INFINITY;
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#else
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/* MSVC doesn't allow division by zero in constant expressions. */
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double zero = 0.0;
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xmlXPathNAN = 0.0 / zero;
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xmlXPathPINF = 1.0 / zero;
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xmlXPathNINF = -xmlXPathPINF;
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#endif
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}
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/**
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* xmlXPathIsNaN:
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* @val: a double value
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*
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* Returns 1 if the value is a NaN, 0 otherwise
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*/
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int
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xmlXPathIsNaN(double val) {
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#ifdef isnan
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return isnan(val);
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#else
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return !(val == val);
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#endif
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}
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/**
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* xmlXPathIsInf:
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* @val: a double value
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*
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* Returns 1 if the value is +Infinite, -1 if -Infinite, 0 otherwise
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*/
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int
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xmlXPathIsInf(double val) {
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#ifdef isinf
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return isinf(val) ? (val > 0 ? 1 : -1) : 0;
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#else
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if (val >= xmlXPathPINF)
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return 1;
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if (val <= -xmlXPathPINF)
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return -1;
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return 0;
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#endif
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}
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#endif /* SCHEMAS or XPATH */
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#ifdef LIBXML_XPATH_ENABLED
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/*
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* TODO: when compatibility allows remove all "fake node libxslt" strings
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* the test should just be name[0] = ' '
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*/
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#ifdef DEBUG_XPATH_EXPRESSION
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#define DEBUG_STEP
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#define DEBUG_EXPR
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#define DEBUG_EVAL_COUNTS
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#endif
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static xmlNs xmlXPathXMLNamespaceStruct = {
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NULL,
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XML_NAMESPACE_DECL,
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XML_XML_NAMESPACE,
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BAD_CAST "xml",
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NULL,
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NULL
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};
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static xmlNsPtr xmlXPathXMLNamespace = &xmlXPathXMLNamespaceStruct;
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#ifndef LIBXML_THREAD_ENABLED
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/*
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* Optimizer is disabled only when threaded apps are detected while
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* the library ain't compiled for thread safety.
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*/
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static int xmlXPathDisableOptimizer = 0;
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#endif
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/************************************************************************
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* *
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* Error handling routines *
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