improve memory allocation in sets

[openldap] / servers / slapd / sets.h

diff --git a/servers/slapd/sets.h b/servers/slapd/sets.h
index 7346e12d80b77f0e2ecee425c0277159db803e65..bc5ea7155d6d15ecd0b1fff8685acf8ad9a3d126 100644 (file)
--- a/servers/slapd/sets.h
+++ b/servers/slapd/sets.h
@@ -38,7 +38,37 @@ LDAP_SLAPD_F (int) slap_set_filter(
        struct berval *user, struct berval *target, BerVarray *results);
 
 LDAP_SLAPD_F (BerVarray) slap_set_join(SetCookie *cp,
-       BerVarray lset, int op, BerVarray rset);
+       BerVarray lset, unsigned op, BerVarray rset);
+
+#define SLAP_SET_OPMASK                0x00FF
+
+#define SLAP_SET_REFARR                0x0100
+#define SLAP_SET_REFVAL                0x0200
+#define SLAP_SET_REF           (SLAP_SET_REFARR|SLAP_SET_REFVAL)
+
+/* The unsigned "op" can be ORed with the flags below;
+ * - if the rset's values must not be freed, or must be copied if kept,
+ *   it is ORed with SLAP_SET_RREFVAL
+ * - if the rset array must not be freed, or must be copied if kept,
+ *   it is ORed with SLAP_SET_RREFARR
+ * - the same applies to the lset with SLAP_SET_LREFVAL and SLAP_SET_LREFARR
+ * - it is assumed that SLAP_SET_REFVAL implies SLAP_SET_REFARR,
+ *   i.e. the former is checked only if the latter is defined.
+ */
+
+#define SLAP_SET_RREFARR       SLAP_SET_REFARR
+#define SLAP_SET_RREFVAL       SLAP_SET_REFVAL
+#define SLAP_SET_RREF          SLAP_SET_REF
+#define SLAP_SET_RREFMASK      0x0F00
+
+#define SLAP_SET_RREF2REF(r)   ((r) & SLAP_SET_RREFMASK)
+       
+#define SLAP_SET_LREFARR       0x1000
+#define SLAP_SET_LREFVAL       0x2000
+#define SLAP_SET_LREF          (SLAP_SET_LREFARR|SLAP_SET_LREFVAL)
+#define SLAP_SET_LREFMASK      0xF000
+       
+#define SLAP_SET_LREF2REF(r)   (((r) & SLAP_SET_LREFMASK) >> 4)
        
 LDAP_END_DECL