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From 10281040ca6b3a54db7880eed9c67957d11622eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Wed, 29 Jun 2016 16:11:10 +0200
Subject: [PATCH] Avoid crash in tidyCleanAndRepair if document was not loaded
These services can only be used when there is a document loaded, ie a
lexer created. But really should not be calling a Clean and Repair
service with no doc!
---
src/tidylib.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/src/tidylib.c b/src/tidylib.c
index 28ebbb2..4787336 100755
--- a/src/tidylib.c
+++ b/src/tidylib.c
@@ -1908,9 +1908,18 @@ int tidyDocCleanAndRepair( TidyDocImpl* doc )
it can ever be, so we can start detecting things that shouldn't
be in this version of HTML
*/
- if (doc->lexer->versionEmitted & VERS_HTML5)
- TY_(CheckHTML5)( doc, &doc->root );
- TY_(CheckHTMLTagsAttribsVersions)( doc, &doc->root );
+ if (doc->lexer)
+ {
+ /*\
+ * Issue #429 #426 - These services can only be used
+ * when there is a document loaded, ie a lexer created.
+ * But really should not be calling a Clean and Repair
+ * service with no doc!
+ \*/
+ if (doc->lexer->versionEmitted & VERS_HTML5)
+ TY_(CheckHTML5)( doc, &doc->root );
+ TY_(CheckHTMLTagsAttribsVersions)( doc, &doc->root );
+ }
#if !defined(NDEBUG) && defined(_MSC_VER)
SPRTF("All nodes AFTER clean and repair\n");
--
2.8.1
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