/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "slap.h"
+Attribute *
+attr_alloc( AttributeDescription *ad )
+{
+ Attribute *a = ch_malloc( sizeof(Attribute) );
+
+ a->a_desc = ad;
+ a->a_next = NULL;
+ a->a_flags = 0;
+ a->a_vals = NULL;
+ a->a_nvals = NULL;
+#ifdef LDAP_COMP_MATCH
+ a->a_comp_data = NULL;
+#endif
+
+ return a;
+}
+
void
attr_free( Attribute *a )
{
if ( a->a_nvals && a->a_nvals != a->a_vals ) {
ber_bvarray_free( a->a_nvals );
}
- ber_bvarray_free( a->a_vals );
+ /* a_vals may be equal to slap_dummy_bv, a static empty berval;
+ * this is used as a placeholder for attributes that do not carry
+ * values, e.g. when proxying search entries with the "attrsonly"
+ * bit set. */
+ if ( a->a_vals != &slap_dummy_bv ) {
+ ber_bvarray_free( a->a_vals );
+ }
free( a );
}
if ( a == NULL) return NULL;
- tmp = ch_malloc( sizeof(Attribute) );
+ tmp = attr_alloc( a->a_desc );
if ( a->a_vals != NULL ) {
- int i;
+ int i;
for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
/* EMPTY */ ;
BER_BVZERO( &tmp->a_vals[i] );
/* a_nvals must be non null; it may be equal to a_vals */
- assert( a->a_nvals );
+ assert( a->a_nvals != NULL );
if ( a->a_nvals != a->a_vals ) {
+ int j;
+
tmp->a_nvals = ch_malloc( (i + 1) * sizeof(struct berval) );
- for ( i = 0; !BER_BVISNULL( &a->a_nvals[i] ); i++ ) {
- ber_dupbv( &tmp->a_nvals[i], &a->a_nvals[i] );
- if ( BER_BVISNULL( &tmp->a_nvals[i] ) ) break;
+ for ( j = 0; !BER_BVISNULL( &a->a_nvals[j] ); j++ ) {
+ assert( j < i );
+ ber_dupbv( &tmp->a_nvals[j], &a->a_nvals[j] );
+ if ( BER_BVISNULL( &tmp->a_nvals[j] ) ) break;
/* FIXME: error? */
}
- BER_BVZERO( &tmp->a_nvals[i] );
+ assert( j == i );
+ BER_BVZERO( &tmp->a_nvals[j] );
} else {
tmp->a_nvals = tmp->a_vals;
tmp->a_vals = NULL;
tmp->a_nvals = NULL;
}
-
- tmp->a_desc = a->a_desc;
- tmp->a_next = NULL;
- tmp->a_flags = 0;
-#ifdef LDAP_COMP_MATCH
- tmp->a_comp_data = NULL;
-#endif
-
return tmp;
}
}
-
/*
* attr_merge - merge the given type and value with the list of
* attributes in attrs.
Attribute **a;
for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) {
- if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
+ if ( (*a)->a_desc == desc ) {
break;
}
}
if ( *a == NULL ) {
- *a = (Attribute *) ch_malloc( sizeof(Attribute) );
- (*a)->a_desc = desc;
- (*a)->a_vals = NULL;
- (*a)->a_nvals = NULL;
- (*a)->a_next = NULL;
- (*a)->a_flags = 0;
-#ifdef LDAP_COMP_MATCH
- (*a)->a_comp_data = NULL;
-#endif
+ *a = attr_alloc( desc );
+ } else {
+ /*
+ * FIXME: if the attribute already exists, the presence
+ * of nvals and the value of (*a)->a_nvals must be consistent
+ */
+ assert( ( nvals == NULL && (*a)->a_nvals == (*a)->a_vals )
+ || ( nvals != NULL && (*a)->a_nvals != (*a)->a_vals ) );
}
rc = value_add( &(*a)->a_vals, vals );
Attribute **a;
for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) {
- if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
+ if ( (*a)->a_desc == desc ) {
break;
}
}
if ( *a == NULL ) {
- *a = (Attribute *) ch_malloc( sizeof(Attribute) );
- (*a)->a_desc = desc;
- (*a)->a_vals = NULL;
- (*a)->a_nvals = NULL;
- (*a)->a_next = NULL;
- (*a)->a_flags = 0;
-#ifdef LDAP_COMP_MATCH
- (*a)->a_comp_data = NULL;
-#endif
+ *a = attr_alloc( desc );
}
rc = value_add_one( &(*a)->a_vals, val );
AttributeDescription *desc )
{
for ( ; a != NULL; a = a->a_next ) {
- if ( ad_cmp( a->a_desc, desc ) == 0 ) {
+ if ( a->a_desc == desc ) {
return( a );
}
}
Attribute **a;
for ( a = attrs; *a != NULL; a = &(*a)->a_next ) {
- if ( ad_cmp( (*a)->a_desc, desc ) == 0 ) {
+ if ( (*a)->a_desc == desc ) {
Attribute *save = *a;
*a = (*a)->a_next;
attr_free( save );