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[LIBXML2] Update to version 2.9.13. CORE-17766

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Thomas Faber 2022-11-19 15:10:13 -05:00
parent df1adce32c
commit 7244e0c5c6
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35 changed files with 1127 additions and 20110 deletions
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9
sdk/lib/3rdparty/libxml2/xmlregexp.c vendored
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@ -1892,6 +1892,12 @@ xmlFAReduceEpsilonTransitions(xmlRegParserCtxtPtr ctxt, int fromnr,
* then X and Y are semantically equivalent and X can be eliminated
* If X is the start state then make Y the start state, else replace the
* target of all transitions to X by transitions to Y.
*
* If X is a final state, skip it.
* Otherwise it would be necessary to manipulate counters for this case when
* eliminating state 2:
* State 1 has a transition with an atom to state 2.
* State 2 is final and has an epsilon transition to state 1.
*/
static void
xmlFAEliminateSimpleEpsilonTransitions(xmlRegParserCtxtPtr ctxt) {
@ -1904,7 +1910,8 @@ xmlFAEliminateSimpleEpsilonTransitions(xmlRegParserCtxtPtr ctxt) {
continue;
if (state->nbTrans != 1)
continue;
if (state->type == XML_REGEXP_UNREACH_STATE)
if (state->type == XML_REGEXP_UNREACH_STATE ||
state->type == XML_REGEXP_FINAL_STATE)
continue;
/* is the only transition out a basic transition */
if ((state->trans[0].atom == NULL) &&