Roll libxslt to 891681e3e948f31732229f53cb6db7215f740fc7

third_party/libxslt/libxslt/extensions.c

 /*
  * extensions.c: Implemetation of the extensions support
  *
  * Reference:
  *   http://www.w3.org/TR/1999/REC-xslt-19991116
  *
  * See Copyright for the status of this software.
  *
  * daniel@veillard.com
  */
@@ skipping 1604 matching lines @@
  *
  * Registers an extension module element.
  *
  * Returns 0 if successful, -1 in case of error.
  */
 int
 xsltRegisterExtModuleElement(const xmlChar * name, const xmlChar * URI,
                              xsltPreComputeFunction precomp,
                              xsltTransformFunction transform)
 {
-    int ret;
+    int ret = 0;
 
     xsltExtElementPtr ext;
 
     if ((name == NULL) || (URI == NULL) || (transform == NULL))
         return (-1);
 
     if (xsltElementsHash == NULL)
         xsltElementsHash = xmlHashCreate(10);
     if (xsltElementsHash == NULL)
         return (-1);
 
     xmlMutexLock(xsltExtMutex);
 
     ext = xsltNewExtElement(precomp, transform);
     if (ext == NULL) {
         ret = -1;
         goto done;
     }
 
     xmlHashUpdateEntry2(xsltElementsHash, name, URI, (void *) ext,
                         (xmlHashDeallocator) xsltFreeExtElement);
 
 done:
     xmlMutexUnlock(xsltExtMutex);
 
-    return (0);
+    return (ret);
 }
 
 /**
  * xsltExtElementLookup:
  * @ctxt:  an XSLT process context
  * @name:  the element name
  * @URI:  the element namespace URI
  *
  * Looks up an extension element. @ctxt can be NULL to search only in
  * module elements.
@@ skipping 691 matching lines @@
     else {
         fprintf(output, "\nRegistered Extension Modules:\n");
         xmlMutexLock(xsltExtMutex);
         xmlHashScanFull(xsltExtensionsHash,
                         (xmlHashScannerFull)
                         xsltDebugDumpExtModulesCallback, output);
         xmlMutexUnlock(xsltExtMutex);
     }
 
 }