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Merge pull request #661 from htacg/issue-656 

Issue #656 - protect against NULL node set in loop - closes #656
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Geoff McLane 2018-01-01 18:15:33 +01:00 committed by GitHub
parent f0438bd4b8 a0414d65a6
commit a111d7a969
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1 changed files with 4 additions and 2 deletions
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src/clean.c
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@ -2211,8 +2211,10 @@ Bool TY_(TidyMetaCharset)(TidyDocImpl* doc)
tidyBufAppend(&charsetString, "charset=", 8);
tidyBufAppend(&charsetString, (char*)enc, TY_(tmbstrlen)(enc));
tidyBufAppend(&charsetString, "\0", 1); /* zero terminate the buffer */
/* process the children of the head */
for (currentNode = head->content; currentNode; currentNode = currentNode->next)
/* process the children of the head */
/* Issue #656 - guard against 'currentNode' being set NULL in loop */
for (currentNode = head->content; currentNode;
currentNode = (currentNode ? currentNode->next : NULL))
{
if (!nodeIsMETA(currentNode))
continue; /* not a meta node */