[libxml2] OS400: use C macros to implement equivalent RPG support procedures.

[Daniel Veillard <veillard src gnome org>]

commit bce6a61e68eca99575d4720a9b524ecbc30b04b1
Author: Patrick Monnerat <pm datasphere ch>
Date:   Tue May 6 11:31:16 2014 +0200

    OS400: use C macros to implement equivalent RPG support procedures.

 os400/rpgsupport.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/os400/rpgsupport.c b/os400/rpgsupport.c
index 74f3859..a545483 100644
--- a/os400/rpgsupport.c
+++ b/os400/rpgsupport.c
@@ -213,11 +213,12 @@ __xmlVaEnd(char * * list)
 
 
 #ifdef LIBXML_XPATH_ENABLED
+
 int
 __xmlXPathNodeSetGetLength(xmlNodeSetPtr ns)
 
 {
-       return ns? ns->nodeNr: 0;
+       return xmlXPathNodeSetGetLength(ns);
 }
 
 
@@ -225,8 +226,7 @@ xmlNodePtr
 __xmlXPathNodeSetItem(xmlNodeSetPtr ns, int index)
 
 {
-       return ns && index >= 0 && index < ns->nodeNr && ns->nodeTab?
-           ns->nodeTab[index]: 0;
+       return xmlXPathNodeSetItem(ns, index);
 }
 
 
@@ -234,6 +234,7 @@ int
 __xmlXPathNodeSetIsEmpty(xmlNodeSetPtr ns)
 
 {
-       return !ns || !ns->nodeNr || !ns->nodeTab;
+       return xmlXPathNodeSetIsEmpty(ns);
 }
+
 #endif