util: add API for copying virtual port profile data

Reviewed-by: Laine Stump <laine@laine.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

src/libvirt_private.syms

@@ -2510,6 +2510,7 @@ virNetDevVlanFree;
 virNetDevVPortProfileAssociate;
 virNetDevVPortProfileCheckComplete;
 virNetDevVPortProfileCheckNoExtras;
+virNetDevVPortProfileCopy;
 virNetDevVPortProfileDisassociate;
 virNetDevVPortProfileEqual;
 virNetDevVPortProfileMerge3;

src/util/virnetdevvportprofile.c

@@ -127,6 +127,22 @@ virNetDevVPortProfileEqual(virNetDevVPortProfilePtr a, virNetDevVPortProfilePtr
     return true;
 }
 
+
+int virNetDevVPortProfileCopy(virNetDevVPortProfilePtr *dst, const virNetDevVPortProfile *src)
+{
+    if (!src) {
+        *dst = NULL;
+        return 0;
+    }
+
+    if (VIR_ALLOC(*dst) < 0)
+        return -1;
+
+    memcpy(*dst, src, sizeof(*src));
+    return 0;
+}
+
+
 /* virNetDevVPortProfileCheckComplete() checks that all attributes
  * required for the type of virtport are specified. When
  * generateMissing is true, any missing attribute that can be

src/util/virnetdevvportprofile.h

@@ -80,6 +80,8 @@ struct _virNetDevVPortProfile {
 
 bool virNetDevVPortProfileEqual(virNetDevVPortProfilePtr a,
                                 virNetDevVPortProfilePtr b);
+int virNetDevVPortProfileCopy(virNetDevVPortProfilePtr *dst,
+                              const virNetDevVPortProfile *src);
 
 int virNetDevVPortProfileCheckComplete(virNetDevVPortProfilePtr virtport,
                                        bool generateMissing);