1 files changed, 2 insertions, 28 deletions

diff --git a/xpointer.c b/xpointer.c
index 4b4ac2e..46f11e8 100644
--- a/xpointer.c
+++ b/xpointer.c
@@ -1375,8 +1375,6 @@ xmlXPtrEval(const xmlChar *str, xmlXPathContextPtr ctx) {
 	return(NULL);
 
     ctxt = xmlXPathNewParserContext(str, ctx);
-    if (ctxt == NULL)
-	return(NULL);
     ctxt->xptr = 1;
     xmlXPtrEvalXPointer(ctxt);
 
@@ -1809,8 +1807,6 @@ xmlXPtrStartPointFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 	 */
 	tmp = xmlXPtrNewLocationSetNodeSet(obj->nodesetval);
 	xmlXPathFreeObject(obj);
-	if (tmp == NULL)
-            XP_ERROR(XPATH_MEMORY_ERROR)
 	obj = tmp;
     }
 
@@ -1905,16 +1901,10 @@ xmlXPtrEndPointFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 	 */
 	tmp = xmlXPtrNewLocationSetNodeSet(obj->nodesetval);
 	xmlXPathFreeObject(obj);
-	if (tmp == NULL)
-            XP_ERROR(XPATH_MEMORY_ERROR)
 	obj = tmp;
     }
 
     newset = xmlXPtrLocationSetCreate(NULL);
-    if (newset == NULL) {
-	xmlXPathFreeObject(obj);
-        XP_ERROR(XPATH_MEMORY_ERROR);
-    }
     oldset = (xmlLocationSetPtr) obj->user;
     if (oldset != NULL) {
 	int i;
@@ -2059,8 +2049,6 @@ xmlXPtrRangeFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 	 */
 	tmp = xmlXPtrNewLocationSetNodeSet(set->nodesetval);
 	xmlXPathFreeObject(set);
-	if (tmp == NULL)
-            XP_ERROR(XPATH_MEMORY_ERROR)
 	set = tmp;
     }
     oldset = (xmlLocationSetPtr) set->user;
@@ -2069,10 +2057,6 @@ xmlXPtrRangeFunction(xmlXPathParserContextPtr ctxt, int nargs) {
      * The loop is to compute the covering range for each item and add it
      */
     newset = xmlXPtrLocationSetCreate(NULL);
-    if (newset == NULL) {
-	xmlXPathFreeObject(set);
-        XP_ERROR(XPATH_MEMORY_ERROR);
-    }
     for (i = 0;i < oldset->locNr;i++) {
 	xmlXPtrLocationSetAdd(newset,
 		xmlXPtrCoveringRange(ctxt, oldset->locTab[i]));
@@ -2211,8 +2195,6 @@ xmlXPtrRangeInsideFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 	 */
 	tmp = xmlXPtrNewLocationSetNodeSet(set->nodesetval);
 	xmlXPathFreeObject(set);
-	if (tmp == NULL)
-	     XP_ERROR(XPATH_MEMORY_ERROR)
 	set = tmp;
     }
     oldset = (xmlLocationSetPtr) set->user;
@@ -2221,10 +2203,6 @@ xmlXPtrRangeInsideFunction(xmlXPathParserContextPtr ctxt, int nargs) {
      * The loop is to compute the covering range for each item and add it
      */
     newset = xmlXPtrLocationSetCreate(NULL);
-    if (newset == NULL) {
-	xmlXPathFreeObject(set);
-        XP_ERROR(XPATH_MEMORY_ERROR);
-    }
     for (i = 0;i < oldset->locNr;i++) {
 	xmlXPtrLocationSetAdd(newset,
 		xmlXPtrInsideRange(ctxt, oldset->locTab[i]));
@@ -2483,6 +2461,8 @@ xmlXPtrMatchString(const xmlChar *string, xmlNodePtr start, int startindex,
         ((*end)->type == XML_NAMESPACE_DECL) || (endindex == NULL))
 	return(-1);
     cur = start;
+    if (cur == NULL)
+	return(-1);
     pos = startindex - 1;
     stringlen = xmlStrlen(string);
 
@@ -2818,10 +2798,6 @@ xmlXPtrStringRangeFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 
     set = valuePop(ctxt);
     newset = xmlXPtrLocationSetCreate(NULL);
-    if (newset == NULL) {
-	xmlXPathFreeObject(set);
-        XP_ERROR(XPATH_MEMORY_ERROR);
-    }
     if (set->nodesetval == NULL) {
         goto error;
     }
@@ -2833,8 +2809,6 @@ xmlXPtrStringRangeFunction(xmlXPathParserContextPtr ctxt, int nargs) {
 	 */
 	tmp = xmlXPtrNewLocationSetNodeSet(set->nodesetval);
 	xmlXPathFreeObject(set);
-	if (tmp == NULL)
-	     XP_ERROR(XPATH_MEMORY_ERROR)
 	set = tmp;
     }
     oldset = (xmlLocationSetPtr) set->user;