PPrintXMLTree: avoids infinite loop on root node with no content

catenacyber · catenacyber · commit 27f6aa8b7748 · 2021-11-19T10:51:58.000+01:00
diff --git a/src/pprint.c b/src/pprint.c
@@ -2586,9 +2586,12 @@ void TY_(PPrintXMLTree)( TidyDocImpl* doc, uint mode, uint indent, Node *node )
         }
         else if ( node->type == RootNode )
         {
-            if (node->content)
+            if (node->content) {
                 node = node->content;
-            continue;
+                continue;
+            } else {
+                break;
+            }
         }
         else if ( node->type == CommentTag )
         {

Original file line number	Diff line number	Diff line change
`@@ -2586,9 +2586,12 @@ void TY_(PPrintXMLTree)( TidyDocImpl* doc, uint mode, uint indent, Node *node )`
`2586`	`2586`	`}`
`2587`	`2587`	`else if ( node->type == RootNode )`
`2588`	`2588`	`{`
`2589`		`- if (node->content)`
	`2589`	`+ if (node->content) {`
`2590`	`2590`	`node = node->content;`
`2591`		`- continue;`
	`2591`	`+ continue;`
	`2592`	`+ } else {`
	`2593`	`+ break;`
	`2594`	`+ }`
`2592`	`2595`	`}`
`2593`	`2596`	`else if ( node->type == CommentTag )`
`2594`	`2597`	`{`