[Libvirt-cim] [PATCH 3 of 3] [CU] (#2) classname_from_inst

[Jay Gagnon]

# HG changeset patch
# User Jay Gagnon <grendel at linux.vnet.ibm.com>
# Date 1204056957 18000
# Node ID 0840762ff38237d40ca56973d3455a1b54f154b7
# Parent  af61b6c75b143067444f4eefe694d1e9709d2ccb
[CU] (#2) classname_from_inst

Function that pulls a classname out of an instance.  Nothing fancy, just saves a few lines whenever this is needed.  This is used by the new std_indication stuff.

Changes from 1 to 2:
cu_ prefix on function name

Signed-off-by: Jay Gagnon <grendel at linux.vnet.ibm.com>

diff -r af61b6c75b14 -r 0840762ff382 instance_util.c
--- a/instance_util.c	Wed Feb 13 08:26:56 2008 -0800
+++ b/instance_util.c	Tue Feb 26 15:15:57 2008 -0500
@@ -251,6 +251,21 @@ CMPIInstance *cu_dup_instance(const CMPI
 
  out:
         return dest;
+}
+
+const char *cu_classname_from_inst(CMPIInstance *inst)
+{
+        char *ret = NULL;
+
+        CMPIObjectPath *ref;
+        ref = CMGetObjectPath(inst, NULL);
+        if (CMIsNullObject(ref))
+                goto out;
+        
+        ret = CLASSNAME(ref);
+
+ out:
+        return ret;
 }
 
 /*
diff -r af61b6c75b14 -r 0840762ff382 libcmpiutil.h
--- a/libcmpiutil.h	Wed Feb 13 08:26:56 2008 -0800
+++ b/libcmpiutil.h	Tue Feb 26 15:15:57 2008 -0500
@@ -414,6 +414,15 @@ CMPIStatus cu_validate_ref(const CMPIBro
 CMPIStatus cu_validate_ref(const CMPIBroker *broker,
                            const CMPIObjectPath *ref,
                            const CMPIInstance *inst);
+
+/**
+ * Returns the classname from an instance without forcing user to get 
+ * ObjectPath first.
+ *
+ * @param inst Instance to examine
+ * @returns Classname of instance , NULL on failure
+ */
+const char *cu_classname_from_inst(CMPIInstance *inst);
 
 #define DEFAULT_EIN(pn)                                                 \
         static CMPIStatus pn##EnumInstanceNames(CMPIInstanceMI *self,   \