check for ee == NULL

[openldap] / servers / slapd / slap.h

diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 77077481463b9a5dddc7668fab433a825ff5a7bf..65319e1a6ef0955e7115a77c4950eef92c9469b9 100644 (file)
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -690,10 +690,19 @@ struct AttributeType {
 
 #define SLAP_AT_MANAGEABLE             0x0800U /* no-user-mod can be by-passed */
 
+/* Note: ORDERED values have an ordering specifically set by the
+ * user, denoted by the {x} ordering prefix on the values.
+ *
+ * SORTED values are simply sorted by memcmp. SORTED values can
+ * be efficiently located by binary search. ORDERED values have no
+ * such advantage. An attribute cannot have both properties.
+ */
 #define        SLAP_AT_ORDERED_VAL             0x0001U /* values are ordered */
 #define        SLAP_AT_ORDERED_SIB             0x0002U /* siblings are ordered */
 #define        SLAP_AT_ORDERED                 0x0003U /* value has order index */
 
+#define        SLAP_AT_SORTED_VAL              0x0010U /* values should be sorted */
+
 #define        SLAP_AT_HARDCODE                0x10000U        /* hardcoded schema */
 #define        SLAP_AT_DELETED                 0x20000U
 
@@ -1109,22 +1118,28 @@ struct ValuesReturnFilter {
 
 /*
  * represents an attribute (description + values)
+ * desc, vals, nvals, numvals fields must align with Modification
  */
 struct Attribute {
        AttributeDescription    *a_desc;
        BerVarray               a_vals;         /* preserved values */
        BerVarray               a_nvals;        /* normalized values */
-#ifdef LDAP_COMP_MATCH
-       ComponentData           *a_comp_data;   /* component values */
-#endif
-       Attribute               *a_next;
        unsigned                a_numvals;      /* number of vals */
        unsigned                a_flags;
 #define SLAP_ATTR_IXADD                        0x1U
 #define SLAP_ATTR_IXDEL                        0x2U
 #define SLAP_ATTR_DONT_FREE_DATA       0x4U
 #define SLAP_ATTR_DONT_FREE_VALS       0x8U
-#define        SLAP_ATTR_SORTED_VALS           0x10U
+#define        SLAP_ATTR_SORTED_VALS           0x10U   /* values are sorted */
+
+/* These flags persist across an attr_dup() */
+#define        SLAP_ATTR_PERSISTENT_FLAGS \
+       SLAP_ATTR_SORTED_VALS
+
+       Attribute               *a_next;
+#ifdef LDAP_COMP_MATCH
+       ComponentData           *a_comp_data;   /* component values */
+#endif
 };
 
 
@@ -1171,8 +1186,13 @@ struct Entry {
 
 /*
  * A list of LDAPMods
+ * desc, values, nvalues, numvals must align with Attribute
  */
 struct Modification {
+       AttributeDescription *sm_desc;
+       BerVarray sm_values;
+       BerVarray sm_nvalues;
+       unsigned sm_numvals;
        short sm_op;
        short sm_flags;
 /* Set for internal mods, will bypass ACL checks. Only needed when
@@ -1180,12 +1200,7 @@ struct Modification {
  */
 #define        SLAP_MOD_INTERNAL       0x01
 #define        SLAP_MOD_MANAGING       0x02
-
-       AttributeDescription *sm_desc;
        struct berval sm_type;
-       BerVarray sm_values;
-       BerVarray sm_nvalues;
-       unsigned sm_numvals;
 };
 
 struct Modifications {