store: Support NULL attribute values.

diff --git a/src/core/store.c b/src/core/store.c
index dba88cd2a03a70e126bf0b409e9d68b6b85e6b25..eebe24b0ed48b7db014bc64dca3dd4c42fce1620 100644 (file)
--- a/src/core/store.c
+++ b/src/core/store.c
@@ -219,9 +219,11 @@ sdb_attr_init(sdb_object_t *obj, va_list ap)
                return ret;
        value = va_arg(ap, const char *);
 
-       SDB_ATTR(obj)->value = strdup(value);
-       if (! SDB_ATTR(obj)->value)
-               return -1;
+       if (value) {
+               SDB_ATTR(obj)->value = strdup(value);
+               if (! SDB_ATTR(obj)->value)
+                       return -1;
+       }
        return 0;
 } /* sdb_attr_init */