[libvirt PATCH 2/3] util: xml: use g_auto for xmlXPathObject

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Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
---
 src/util/virxml.c | 36 ++++++++++--------------------------
 1 file changed, 10 insertions(+), 26 deletions(-)

diff --git a/src/util/virxml.c b/src/util/virxml.c
index 4360b15486..6b5ed08426 100644
--- a/src/util/virxml.c
+++ b/src/util/virxml.c
@@ -72,7 +72,7 @@ char *
 virXPathString(const char *xpath,
                xmlXPathContextPtr ctxt)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     char *ret;
 
     if ((ctxt == NULL) || (xpath == NULL)) {
@@ -83,11 +83,9 @@ virXPathString(const char *xpath,
     obj = xmlXPathEval(BAD_CAST xpath, ctxt);
     if ((obj == NULL) || (obj->type != XPATH_STRING) ||
         (obj->stringval == NULL) || (obj->stringval[0] == 0)) {
-        xmlXPathFreeObject(obj);
         return NULL;
     }
     ret = g_strdup((char *)obj->stringval);
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -147,7 +145,7 @@ virXPathNumber(const char *xpath,
                xmlXPathContextPtr ctxt,
                double *value)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
 
     if ((ctxt == NULL) || (xpath == NULL) || (value == NULL)) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -157,12 +155,10 @@ virXPathNumber(const char *xpath,
     obj = xmlXPathEval(BAD_CAST xpath, ctxt);
     if ((obj == NULL) || (obj->type != XPATH_NUMBER) ||
         (isnan(obj->floatval))) {
-        xmlXPathFreeObject(obj);
         return -1;
     }
 
     *value = obj->floatval;
-    xmlXPathFreeObject(obj);
     return 0;
 }
 
@@ -172,7 +168,7 @@ virXPathLongBase(const char *xpath,
                  int base,
                  long *value)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret = 0;
 
     if ((ctxt == NULL) || (xpath == NULL) || (value == NULL)) {
@@ -194,7 +190,6 @@ virXPathLongBase(const char *xpath,
         ret = -1;
     }
 
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -274,7 +269,7 @@ virXPathULongBase(const char *xpath,
                   int base,
                   unsigned long *value)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret = 0;
 
     if ((ctxt == NULL) || (xpath == NULL) || (value == NULL)) {
@@ -296,7 +291,6 @@ virXPathULongBase(const char *xpath,
         ret = -1;
     }
 
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -387,7 +381,7 @@ virXPathULongLong(const char *xpath,
                   xmlXPathContextPtr ctxt,
                   unsigned long long *value)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret = 0;
 
     if ((ctxt == NULL) || (xpath == NULL) || (value == NULL)) {
@@ -409,7 +403,6 @@ virXPathULongLong(const char *xpath,
         ret = -1;
     }
 
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -430,7 +423,7 @@ virXPathLongLong(const char *xpath,
                  xmlXPathContextPtr ctxt,
                  long long *value)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret = 0;
 
     if ((ctxt == NULL) || (xpath == NULL) || (value == NULL)) {
@@ -452,7 +445,6 @@ virXPathLongLong(const char *xpath,
         ret = -1;
     }
 
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -894,7 +886,7 @@ int
 virXPathBoolean(const char *xpath,
                 xmlXPathContextPtr ctxt)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret;
 
     if ((ctxt == NULL) || (xpath == NULL)) {
@@ -905,12 +897,10 @@ virXPathBoolean(const char *xpath,
     obj = xmlXPathEval(BAD_CAST xpath, ctxt);
     if ((obj == NULL) || (obj->type != XPATH_BOOLEAN) ||
         (obj->boolval < 0) || (obj->boolval > 1)) {
-        xmlXPathFreeObject(obj);
         return -1;
     }
     ret = obj->boolval;
 
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -928,7 +918,7 @@ xmlNodePtr
 virXPathNode(const char *xpath,
              xmlXPathContextPtr ctxt)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     xmlNodePtr ret;
 
     if ((ctxt == NULL) || (xpath == NULL)) {
@@ -940,12 +930,10 @@ virXPathNode(const char *xpath,
     if ((obj == NULL) || (obj->type != XPATH_NODESET) ||
         (obj->nodesetval == NULL) || (obj->nodesetval->nodeNr <= 0) ||
         (obj->nodesetval->nodeTab == NULL)) {
-        xmlXPathFreeObject(obj);
         return NULL;
     }
 
     ret = obj->nodesetval->nodeTab[0];
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
@@ -965,7 +953,7 @@ virXPathNodeSet(const char *xpath,
                 xmlXPathContextPtr ctxt,
                 xmlNodePtr **list)
 {
-    xmlXPathObjectPtr obj;
+    g_autoptr(xmlXPathObject) obj = NULL;
     int ret;
 
     if ((ctxt == NULL) || (xpath == NULL)) {
@@ -984,21 +972,17 @@ virXPathNodeSet(const char *xpath,
     if (obj->type != XPATH_NODESET) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("Incorrect xpath '%s'"), xpath);
-        xmlXPathFreeObject(obj);
         return -1;
     }
 
-    if ((obj->nodesetval == NULL)  || (obj->nodesetval->nodeNr < 0)) {
-        xmlXPathFreeObject(obj);
+    if ((obj->nodesetval == NULL)  || (obj->nodesetval->nodeNr < 0))
         return 0;
-    }
 
     ret = obj->nodesetval->nodeNr;
     if (list != NULL && ret) {
         *list = g_new0(xmlNodePtr, ret);
         memcpy(*list, obj->nodesetval->nodeTab, ret * sizeof(xmlNodePtr));
     }
-    xmlXPathFreeObject(obj);
     return ret;
 }
 
-- 
2.31.1




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