[libvirt] [libvirt-php] free xml resources in get_string_from_xpath

[Vasiliy Tolstov]

free as much as possible on return from get_string_from_xpath

Signed-off-by: Vasiliy Tolstov <v.tolstov at selfip.ru>
---
 src/libvirt-php.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/libvirt-php.c b/src/libvirt-php.c
index 8588128..18499a6 100644
--- a/src/libvirt-php.c
+++ b/src/libvirt-php.c
@@ -2597,6 +2597,7 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
     if (!doc) {
         if (retVal)
             *retVal = -2;
+        xmlFreeParserCtxt(xp);
         xmlCleanupParser();
         return NULL;
     }
@@ -2605,6 +2606,8 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
     if (!context) {
         if (retVal)
             *retVal = -3;
+        xmlFreeDoc(doc);
+        xmlFreeParserCtxt(xp);
         xmlCleanupParser();
         return NULL;
     }
@@ -2614,6 +2617,8 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
         if (retVal)
             *retVal = -4;
         xmlXPathFreeContext(context);
+        xmlFreeParserCtxt(xp);
+        xmlFreeDoc(doc);
         xmlCleanupParser();
         return NULL;
     }
@@ -2621,6 +2626,8 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
     if(xmlXPathNodeSetIsEmpty(result->nodesetval)){
         xmlXPathFreeObject(result);
         xmlXPathFreeContext(context);
+        xmlFreeParserCtxt(xp);
+        xmlFreeDoc(doc);
         xmlCleanupParser();
         if (retVal)
             *retVal = 0;
@@ -2632,8 +2639,9 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
 
     if (ret == 0) {
         xmlXPathFreeObject(result);
-        xmlFreeDoc(doc);
         xmlXPathFreeContext(context);
+        xmlFreeParserCtxt(xp);
+        xmlFreeDoc(doc);
         xmlCleanupParser();
         if (retVal)
             *retVal = 0;
@@ -2658,8 +2666,9 @@ char *get_string_from_xpath(char *xml, char *xpath, zval **val, int *retVal)
             value = (char *)xmlNodeListGetString(doc, nodeset->nodeTab[0]->xmlChildrenNode, 1);
     }
 
-    xmlXPathFreeContext(context);
     xmlXPathFreeObject(result);
+    xmlXPathFreeContext(context);
+    xmlFreeParserCtxt(xp);
     xmlFreeDoc(doc);
     xmlCleanupParser();
 
-- 
2.5.0