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xmlreader: Fix return value of xmlTextReaderReadString

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Return NULL if the node has no children or the children were already
deleted to match the 2.12 behavior.

Fixes #817.
This commit is contained in:
Nick Wellnhofer 2024-11-05 11:41:28 +01:00
parent 5cce7af791
commit bcda764930
1 changed files with 2 additions and 1 deletions
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xmlreader.c
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@ -1750,7 +1750,8 @@ xmlTextReaderReadString(xmlTextReaderPtr reader)
case XML_CDATA_SECTION_NODE:
break;
case XML_ELEMENT_NODE:
if (xmlTextReaderDoExpand(reader) == -1)
if ((xmlTextReaderDoExpand(reader) == -1) ||
(node->children == NULL))
return(NULL);
break;
case XML_ATTRIBUTE_NODE: