On a Monday in 2025, Kirill Shchetiniuk via Devel wrote:
From: Kirill Shchetiniuk <kshch...@redhat.com>

Refactored the virNetDevVPortProfileParse function to use the appropriate
virXMLProp* functions to parse input configuration XML.

Signed-off-by: Kirill Shchetiniuk <kshch...@redhat.com>
---
src/conf/netdev_vport_profile_conf.c | 120 +++++++++++----------------
1 file changed, 48 insertions(+), 72 deletions(-)

diff --git a/src/conf/netdev_vport_profile_conf.c 
b/src/conf/netdev_vport_profile_conf.c
index 032a3147d7..9be19de808 100644
--- a/src/conf/netdev_vport_profile_conf.c
+++ b/src/conf/netdev_vport_profile_conf.c
@@ -29,12 +29,6 @@ virNetDevVPortProfile *
virNetDevVPortProfileParse(xmlNodePtr node, unsigned int flags)
{
    g_autofree char *virtPortType = NULL;
-    g_autofree char *virtPortManagerID = NULL;
-    g_autofree char *virtPortTypeID = NULL;
-    g_autofree char *virtPortTypeIDVersion = NULL;
-    g_autofree char *virtPortInstanceID = NULL;
-    g_autofree char *virtPortProfileID = NULL;
-    g_autofree char *virtPortInterfaceID = NULL;
    g_autofree virNetDevVPortProfile *virtPort = NULL;
    xmlNodePtr parameters;

@@ -55,88 +49,70 @@ virNetDevVPortProfileParse(xmlNodePtr node, unsigned int 
flags)
    }

    if ((parameters = virXMLNodeGetSubelement(node, "parameters"))) {
-        virtPortManagerID = virXMLPropString(parameters, "managerid");
-        virtPortTypeID = virXMLPropString(parameters, "typeid");
-        virtPortTypeIDVersion = virXMLPropString(parameters, "typeidversion");
-        virtPortInstanceID = virXMLPropString(parameters, "instanceid");
-        virtPortProfileID = virXMLPropString(parameters, "profileid");
-        virtPortInterfaceID = virXMLPropString(parameters, "interfaceid");
-    }
+        int ret;

Generally, we use 'ret' as the value that will be returned by the
current function, and 'rc' for storing temporary values of the functions
we call.

+        unsigned int tempUInt;

There's no need to encode the type in the variable name, the old 'val'
was just fine.

+        g_autofree char *virtPortProfileID = virXMLPropString(parameters, 
"profileid");

-    if (virtPortManagerID) {
-        unsigned int val;
+        if ((ret = virXMLPropUInt(parameters, "managerid", 10, VIR_XML_PROP_NONE, 
&tempUInt))) {

Omitting the != 0 should be avoided according to our coding style.
https://libvirt.org/coding-style.html#conditional-expressions

Moreover, writing this as:

if ((rc = virXMLPropUint(...)) < 0)
    return NULL;
if (rc > 0) {
    ....
}

is easier to read, IMO

+            if (ret < 0)
+                return NULL;


Jano

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