X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fnormalize_record.c;h=6a2ab5eb0ff03f09cf0cce4ef1ce219473acb6e6;hb=cb56334872442eff1fa49690c1c9c05974fff6b0;hp=c33cd2eb3847cb3127ed42a14800971aa957577e;hpb=ed45a02021c7c5b380aa74acb49b01bdeb974d6e;p=pazpar2-moved-to-github.git

diff --git a/src/normalize_record.c b/src/normalize_record.c
index c33cd2e..6a2ab5e 100644
--- a/src/normalize_record.c
+++ b/src/normalize_record.c
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2009 Index Data
+   Copyright (C) 2006-2010 Index Data
 
 Pazpar2 is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
@@ -124,30 +124,32 @@ int normalize_record_transform(normalize_record_t nt, xmlDoc **doc,
     const char **parms)
 {
     struct normalize_step *m;
-    for (m = nt->steps; m; m = m->next)
-    {
-        xmlNodePtr root = 0;
-        xmlDoc *new;
-        if (m->stylesheet)
-        {
-            new = xsltApplyStylesheet(m->stylesheet, *doc, parms);
-        }
-        else if (m->marcmap)
-        {
-            new = marcmap_apply(m->marcmap, *doc);
-        }
-        
-        root = xmlDocGetRootElement(new);
-        
-        if (!new || !root || !root->children)
-        {
-            if (new)
-                xmlFreeDoc(new);
-            xmlFreeDoc(*doc);
-            return -1;
-        }
-        xmlFreeDoc(*doc);
-        *doc = new;
+    if (nt) {
+	for (m = nt->steps; m; m = m->next)
+	{
+	    xmlNodePtr root = 0;
+	    xmlDoc *new;
+	    if (m->stylesheet)
+	    {
+		new = xsltApplyStylesheet(m->stylesheet, *doc, parms);
+	    }
+	    else if (m->marcmap)
+	    {
+		new = marcmap_apply(m->marcmap, *doc);
+	    }
+
+	    root = xmlDocGetRootElement(new);
+	    
+	    xmlFreeDoc(*doc);
+	    if (!new || !root || !root->children)
+	    {
+		if (new)
+		    xmlFreeDoc(new);
+                *doc = 0;
+		return -1;
+	    }
+	    *doc = new;
+	}
     }
     return 0;
 }