add support for ADD_IF_NOT_PRESENT and SOFTDEL internal modification types (ITS#6561)

[openldap] / servers / slapd / slap.h

diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index a4bf1e9bc23d8d4c1af4535c179ac92917611d7a..6b3d901937c6f0a038976fec6aee87aa66e7cdb0 100644 (file)
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -111,12 +111,25 @@ LDAP_BEGIN_DECL
 # define SLAP_STRING_UNKNOWN   "unknown"
 #endif /* ! TCP Wrappers */
 
-/* LDAPMod.mod_op value ===> Must be kept in sync with ldap.h!
- * This is a value used internally by the backends. It is needed to allow
- * adding values that already exist without getting an error as required by
- * modrdn when the new rdn was already an attribute value itself.
+/* LDAPMod.mod_op value ===> Must be kept in sync with ldap.h! */
+/* These values are used internally by the backends. */
+/* SLAP_MOD_SOFTADD allows adding values that already exist without getting
+ * an error as required by modrdn when the new rdn was already an attribute
+ * value itself.
+ */
+#define SLAP_MOD_SOFTADD               0x1000
+/* SLAP_MOD_SOFTDEL allows deleting values if they exist without getting
+ * an error otherwise.
+ */
+#define SLAP_MOD_SOFTDEL               0x1001
+/* SLAP_MOD_ADD_IF_NOT_PRESENT allows adding values unless the attribute
+ * is already present without getting an error.
+ */
+#define SLAP_MOD_ADD_IF_NOT_PRESENT    0x1002
+/* SLAP_MOD_DEL_IF_PRESENT allows deleting values if the attribute
+ * is present, without getting an error otherwise.
+ * The semantics can be obtained using SLAP_MOD_SOFTDEL with NULL values.
  */
-#define SLAP_MOD_SOFTADD       0x1000
 
 #define MAXREMATCHES (100)