X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Finclude%2Fcore%2Fdata.h;fp=src%2Finclude%2Fcore%2Fdata.h;h=af4ae5abb7e0d6f25c83e2d7856f90b9b17cd9ee;hb=7649cd039c4ca73698403baf1bc6c3cad4af8301;hp=02f99c5313ebc33ce18a6826cd33740ec364802a;hpb=5756f032cd5fe89316628953ba28f42da792566f;p=sysdb.git

diff --git a/src/include/core/data.h b/src/include/core/data.h
index 02f99c5..af4ae5a 100644
--- a/src/include/core/data.h
+++ b/src/include/core/data.h
@@ -115,6 +115,14 @@ sdb_data_free_datum(sdb_data_t *datum);
 int
 sdb_data_cmp(const sdb_data_t *d1, const sdb_data_t *d2);
 
+/*
+ * sdb_data_isnull:
+ * Determine whether a datum is NULL. A datum is considered to be NULL if
+ * either datum is NULL or if the string or binary datum is NULL.
+ */
+_Bool
+sdb_data_isnull(const sdb_data_t *datum);
+
 /*
  * Operators supported by sdb_data_eval_expr.
  */