save works

src/lib/configobj.c

@@ -48,9 +48,32 @@ static typeinfo_t xconfig_type = {
     .destroy     = (obj_destroy_fn_t)xconfig_destroy,
 };
 
-xce_config_t* makeConfig(xce_config_t* c)
+xce_config_t* makeConfig(var configmgr, xce_config_t* c)
 {
-    xce_config_t* c1 = makeInstance(&xconfig_type, c);
+    xce_config_t* c1 = NULL;
+    int           rc = 0;
+
+    rc = key_find(configmgr, (void*)c->name, (void**)&c1);
+    if ((rc < 0) && (rc != -ENOENT)) {
+        errno = -rc;
+        return NULL;
+    }
+
+    if (rc > 0) {
+        errno = EEXIST;
+        return NULL;
+    }
+
+    c1 = makeInstance(&xconfig_type, c);
+    if (c1 != NULL) {
+        rc = key_add(configmgr, (void*)c1->name, (void*)c1);
+        if (rc < 0) {
+            destroy(c1);
+
+            errno = -rc;
+            return NULL;
+        }
+    }
 
     return c1;
 }