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Add couple of missing Null checks

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For https://bugzilla.gnome.org/show_bug.cgi?id=733710
Reported by Gaurav but with slightly different fixes
This commit is contained in:
Daniel Veillard 2014-07-26 21:04:54 +08:00
parent 2f9b126a5c
commit 42870f46cc
2 changed files with 10 additions and 1 deletions
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7
relaxng.c
View File

@ -6652,12 +6652,17 @@ xmlRelaxNGParseDocument(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node)
ctxt->define = NULL;
if (IS_RELAXNG(node, "grammar")) {
schema->topgrammar = xmlRelaxNGParseGrammar(ctxt, node->children);
if (schema->topgrammar == NULL) {
xmlRelaxNGFree(schema);
return (NULL);
}
} else {
xmlRelaxNGGrammarPtr tmp, ret;
schema->topgrammar = ret = xmlRelaxNGNewGrammar(ctxt);
if (schema->topgrammar == NULL) {
return (schema);
xmlRelaxNGFree(schema);
return (NULL);
}
/*
* Link the new grammar in the tree

4
tree.c
View File

@ -4514,6 +4514,10 @@ xmlCopyDoc(xmlDocPtr doc, int recursive) {
#ifdef LIBXML_TREE_ENABLED
if (doc->intSubset != NULL) {
ret->intSubset = xmlCopyDtd(doc->intSubset);
if (ret->intSubset == NULL) {
xmlFreeDoc(ret);
return(NULL);
}
xmlSetTreeDoc((xmlNodePtr)ret->intSubset, ret);
ret->intSubset->parent = ret;
}