Roll libxslt to ac341cbd792ee572941cc9a66e73800219a1a386

third_party/libxslt/libxslt/functions.c

Index: third_party/libxslt/libxslt/functions.c
diff --git a/third_party/libxslt/libxslt/functions.c b/third_party/libxslt/libxslt/functions.c
index ec22203f4ca21f7ac5ac13da4b39695e22466fa0..5cc9da59244e6e49f56fb9fbb4537fe5eda7d7d7 100644
--- a/third_party/libxslt/libxslt/functions.c
+++ b/third_party/libxslt/libxslt/functions.c
@@ -603,12 +603,15 @@ xsltFormatNumberFunction(xmlXPathParserContextPtr ctxt, int nargs)
     xmlXPathObjectPtr formatObj = NULL;
     xmlXPathObjectPtr decimalObj = NULL;
     xsltStylesheetPtr sheet;
-    xsltDecimalFormatPtr formatValues;
+    xsltDecimalFormatPtr formatValues = NULL;
     xmlChar *result;
+    const xmlChar *ncname;
+    const xmlChar *prefix = NULL;
+    const xmlChar *nsUri = NULL;
     xsltTransformContextPtr tctxt;
 
     tctxt = xsltXPathGetTransformContext(ctxt);
-    if (tctxt == NULL)
+    if ((tctxt == NULL) || (tctxt->inst == NULL))
 	return;
     sheet = tctxt->style;
     if (sheet == NULL)
@@ -619,7 +622,21 @@ xsltFormatNumberFunction(xmlXPathParserContextPtr ctxt, int nargs)
     case 3:
 	CAST_TO_STRING;
 	decimalObj = valuePop(ctxt);
-	formatValues = xsltDecimalFormatGetByName(sheet, decimalObj->stringval);
+        ncname = xsltSplitQName(sheet->dict, decimalObj->stringval, &prefix);
+        if (prefix != NULL) {
+            xmlNsPtr ns = xmlSearchNs(tctxt->inst->doc, tctxt->inst, prefix);
+            if (ns == NULL) {
+                xsltTransformError(tctxt, NULL, NULL,
+                    "format-number : No namespace found for QName '%s:%s'\n",
+                    prefix, ncname);
+                sheet->errors++;
+                ncname = NULL;
+            }
+            nsUri = ns->href;
+        }
+        if (ncname != NULL) {
+	    formatValues = xsltDecimalFormatGetByQName(sheet, nsUri, ncname);
+        }
 	if (formatValues == NULL) {
 	    xsltTransformError(tctxt, NULL, NULL,
 		    "format-number() : undeclared decimal format '%s'\n",