From f4c53629554604b21f19e9c9ac5ade3991384f36 Mon Sep 17 00:00:00 2001
From: Pierangelo Masarati <ando@openldap.org>
Date: Thu, 29 Aug 2002 10:50:53 +0000
Subject: [PATCH] add bdb_hasSubordinates() helper

---
 servers/slapd/back-bdb/operational.c | 66 +++++++++++++++++++---------
 servers/slapd/back-bdb/proto-bdb.h   | 11 +++++
 2 files changed, 56 insertions(+), 21 deletions(-)

diff --git a/servers/slapd/back-bdb/operational.c b/servers/slapd/back-bdb/operational.c
index cfcf17cdb3..1c5d4b14d6 100644
--- a/servers/slapd/back-bdb/operational.c
+++ b/servers/slapd/back-bdb/operational.c
@@ -20,27 +20,20 @@
  */
 
 int
-bdb_operational(
+bdb_hasSubordinates(
 	BackendDB	*be,
 	Connection	*conn, 
 	Operation	*op,
 	Entry		*e,
-	AttributeName		*attrs,
-	int		opattrs,
-	Attribute	**a )
+	int		*hasSubordinates )
 {
 	struct bdb_info *bdb = (struct bdb_info *) be->be_private;
-	Attribute	**aa = a;
 	int		rc;
 	DB_TXN		*ltid = NULL;
-    struct bdb_op_info opinfo;
+	struct bdb_op_info opinfo;
 	
 	assert( e );
-
-	if ( !opattrs && !ad_inlist( slap_schema.si_ad_hasSubordinates, attrs ) ) {
-		return 0;
-	}
-
+	assert( hasSubordinates );
 
 	if( 0 ) {
 retry:	/* transaction retry */
@@ -51,9 +44,9 @@ retry:	/* transaction retry */
 #endif
 #ifdef NEW_LOGGING
 		LDAP_LOG ( OPERATION, DETAIL1, 
-			"=> bdb_operational: retrying...\n", 0, 0, 0 );
+			"=> bdb_hasSubordinates: retrying...\n", 0, 0, 0 );
 #else
-		Debug( LDAP_DEBUG_TRACE, "==> bdb_operational: retrying...\n", 
+		Debug( LDAP_DEBUG_TRACE, "==> bdb_hasSubordinates: retrying...\n", 
 				0, 0, 0 );
 #endif
 		rc = TXN_ABORT( ltid );
@@ -71,11 +64,11 @@ retry:	/* transaction retry */
 	if ( rc != 0 ) {
 #ifdef NEW_LOGGING
 		LDAP_LOG ( OPERATION, ERR, 
-			"=> bdb_operational: txn_begin failed: %s (%d)\n",
+			"=> bdb_hasSubordinates: txn_begin failed: %s (%d)\n",
 			db_strerror(rc), rc, 0 );
 #else
 		Debug( LDAP_DEBUG_TRACE,
-			"bdb_operational: txn_begin failed: %s (%d)\n",
+			"bdb_hasSubordinates: txn_begin failed: %s (%d)\n",
 			db_strerror( rc ), rc, 0 );
 #endif
 		rc = LDAP_OTHER;
@@ -95,21 +88,22 @@ retry:	/* transaction retry */
 		goto retry;
 
 	case 0:
+		*hasSubordinates = LDAP_COMPARE_TRUE;
+		break;
+
 	case DB_NOTFOUND:
-		*aa = slap_operational_hasSubordinate( rc == 0 );
-		if ( *aa != NULL ) {
-			aa = &(*aa)->a_next;
-		}
+		*hasSubordinates = LDAP_COMPARE_FALSE;
+		rc = LDAP_SUCCESS;
 		break;
 
 	default:
 #ifdef NEW_LOGGING
 		LDAP_LOG ( OPERATION, ERR, 
-			"=> bdb_operational: has_children failed: %s (%d)\n",
+			"=> bdb_hasSubordinates: has_children failed: %s (%d)\n",
 			db_strerror(rc), rc, 0 );
 #else
 		Debug(LDAP_DEBUG_ARGS, 
-			"<=- bdb_operational: has_children failed: %s (%d)\n", 
+			"<=- bdb_hasSubordinates: has_children failed: %s (%d)\n", 
 			db_strerror(rc), rc, 0 );
 #endif
 		rc = LDAP_OTHER;
@@ -130,3 +124,33 @@ return_results:
 	return rc;
 }
 
+int
+bdb_operational(
+	BackendDB	*be,
+	Connection	*conn, 
+	Operation	*op,
+	Entry		*e,
+	AttributeName		*attrs,
+	int		opattrs,
+	Attribute	**a )
+{
+	Attribute	**aa = a;
+	int		rc = 0;
+	
+	assert( e );
+
+	if ( opattrs || ad_inlist( slap_schema.si_ad_hasSubordinates, attrs ) ) {
+		int	hasSubordinates;
+
+		rc = bdb_hasSubordinates( be, conn, op, e, &hasSubordinates );
+		if ( rc == LDAP_SUCCESS ) {
+			*aa = slap_operational_hasSubordinate( hasSubordinates == LDAP_COMPARE_TRUE );
+			if ( *aa != NULL ) {
+				aa = &(*aa)->a_next;
+			}
+		}
+	}
+
+	return rc;
+}
+
diff --git a/servers/slapd/back-bdb/proto-bdb.h b/servers/slapd/back-bdb/proto-bdb.h
index 8fa8b55181..6c7dfeb586 100644
--- a/servers/slapd/back-bdb/proto-bdb.h
+++ b/servers/slapd/back-bdb/proto-bdb.h
@@ -300,6 +300,17 @@ int bdb_modify_internal(
 	char *textbuf,
 	size_t textlen );
 
+/*
+ * operational.c
+ */
+int
+bdb_hasSubordinates(
+	BackendDB	*be,
+	Connection	*conn, 
+	Operation	*op,
+	Entry		*e,
+	int		*hasSubordinates );
+
 /*
  * passwd.c
  */
-- 
2.39.5