/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2005 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"
+/*
+ * Allocate in chunks, minimum of 1000 at a time.
+ */
+#define CHUNK_SIZE 1000
+typedef struct slap_list {
+ struct slap_list *next;
+} slap_list;
+static slap_list *attr_chunks;
+static Attribute *attr_list;
+static ldap_pvt_thread_mutex_t attr_mutex;
+
+int
+attr_prealloc( int num )
+{
+ Attribute *a;
+ slap_list *s;
+
+ if (!num) return 0;
+
+ s = ch_calloc( 1, sizeof(slap_list) + num * sizeof(Attribute));
+ s->next = attr_chunks;
+ attr_chunks = s;
+
+ a = (Attribute *)(s+1);
+ for ( ;num>1; num--) {
+ a->a_next = a+1;
+ a++;
+ }
+ a->a_next = attr_list;
+ attr_list = (Attribute *)(s+1);
+
+ return 0;
+}
+
Attribute *
attr_alloc( AttributeDescription *ad )
{
- Attribute *a = ch_malloc( sizeof(Attribute) );
+ Attribute *a;
- a->a_desc = ad;
+ ldap_pvt_thread_mutex_lock( &attr_mutex );
+ if ( !attr_list )
+ attr_prealloc( CHUNK_SIZE );
+ a = attr_list;
+ attr_list = a->a_next;
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
+ ldap_pvt_thread_mutex_unlock( &attr_mutex );
+
+ a->a_desc = ad;
return a;
}
+/* Return a list of num attrs */
+Attribute *
+attrs_alloc( int num )
+{
+ Attribute *head = NULL;
+ Attribute **a;
+
+ ldap_pvt_thread_mutex_lock( &attr_mutex );
+ for ( a = &attr_list; *a && num > 0; a = &(*a)->a_next ) {
+ if ( !head )
+ head = *a;
+ num--;
+ }
+ attr_list = *a;
+ if ( num > 0 ) {
+ attr_prealloc( num > CHUNK_SIZE ? num : CHUNK_SIZE );
+ *a = attr_list;
+ for ( ; *a && num > 0; a = &(*a)->a_next ) {
+ if ( !head )
+ head = *a;
+ num--;
+ }
+ attr_list = *a;
+ }
+ *a = NULL;
+ ldap_pvt_thread_mutex_unlock( &attr_mutex );
+
+ return head;
+}
+
+
void
attr_free( Attribute *a )
{
- if ( a->a_nvals && a->a_nvals != a->a_vals ) {
- ber_bvarray_free( a->a_nvals );
+ if ( a->a_nvals && a->a_nvals != a->a_vals &&
+ !( a->a_flags & SLAP_ATTR_DONT_FREE_VALS )) {
+ if ( a->a_flags & SLAP_ATTR_DONT_FREE_DATA ) {
+ free( a->a_nvals );
+ } else {
+ ber_bvarray_free( a->a_nvals );
+ }
}
/* 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 );
+ if ( a->a_vals != &slap_dummy_bv &&
+ !( a->a_flags & SLAP_ATTR_DONT_FREE_VALS )) {
+ if ( a->a_flags & SLAP_ATTR_DONT_FREE_DATA ) {
+ free( a->a_vals );
+ } else {
+ ber_bvarray_free( a->a_vals );
+ }
}
- free( a );
+ memset( a, 0, sizeof( Attribute ));
+ ldap_pvt_thread_mutex_lock( &attr_mutex );
+ a->a_next = attr_list;
+ attr_list = a;
+ ldap_pvt_thread_mutex_unlock( &attr_mutex );
}
#ifdef LDAP_COMP_MATCH
}
}
-Attribute *
-attr_dup( Attribute *a )
-{
- Attribute *tmp;
-
- if ( a == NULL) return NULL;
-
- tmp = attr_alloc( a->a_desc );
+static void
+attr_dup2( Attribute *tmp, Attribute *a )
+{
if ( a->a_vals != NULL ) {
int i;
} else {
tmp->a_nvals = tmp->a_vals;
}
-
- } else {
- tmp->a_vals = NULL;
- tmp->a_nvals = NULL;
}
+}
+
+Attribute *
+attr_dup( Attribute *a )
+{
+ Attribute *tmp;
+
+ if ( a == NULL) return NULL;
+
+ tmp = attr_alloc( a->a_desc );
+ attr_dup2( tmp, a );
return tmp;
}
Attribute *
attrs_dup( Attribute *a )
{
- Attribute *tmp, **next;
+ int i;
+ Attribute *tmp, *anew;
if( a == NULL ) return NULL;
- tmp = NULL;
- next = &tmp;
+ /* count them */
+ for( tmp=a,i=0; tmp; tmp=tmp->a_next ) {
+ i++;
+ }
+
+ anew = attrs_alloc( i );
- for( ; a != NULL ; a = a->a_next ) {
- *next = attr_dup( a );
- next = &((*next)->a_next);
+ for( tmp=anew; a; a=a->a_next ) {
+ tmp->a_desc = a->a_desc;
+ attr_dup2( tmp, a );
+ tmp=tmp->a_next;
}
- *next = NULL;
- return tmp;
+ return anew;
}
* 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 ) );
+ || ( nvals != NULL && (
+ ( (*a)->a_vals == NULL && (*a)->a_nvals == NULL )
+ || ( (*a)->a_nvals != (*a)->a_vals ) ) ) );
}
rc = value_add( &(*a)->a_vals, vals );
return rc;
}
+/*
+ * if a normalization function is defined for the equality matchingRule
+ * of desc, the value is normalized and stored in nval; otherwise nval
+ * is NULL
+ */
int
-attr_merge_normalize(
- Entry *e,
- AttributeDescription *desc,
- BerVarray vals,
- void *memctx )
+attr_normalize(
+ AttributeDescription *desc,
+ BerVarray vals,
+ BerVarray *nvalsp,
+ void *memctx )
{
+ int rc = LDAP_SUCCESS;
BerVarray nvals = NULL;
- int rc;
+
+ *nvalsp = NULL;
if ( desc->ad_type->sat_equality &&
desc->ad_type->sat_equality->smr_normalize )
nvals = slap_sl_calloc( sizeof(struct berval), i + 1, memctx );
for ( i = 0; !BER_BVISNULL( &vals[i] ); i++ ) {
- rc = (*desc->ad_type->sat_equality->smr_normalize)(
+ rc = desc->ad_type->sat_equality->smr_normalize(
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
desc->ad_type->sat_syntax,
desc->ad_type->sat_equality,
if ( rc != LDAP_SUCCESS ) {
BER_BVZERO( &nvals[i + 1] );
- goto error_return;
+ break;
}
}
BER_BVZERO( &nvals[i] );
+ *nvalsp = nvals;
}
- rc = attr_merge( e, desc, vals, nvals );
-
error_return:;
- if ( nvals != NULL ) {
+ if ( rc != LDAP_SUCCESS && nvals != NULL ) {
ber_bvarray_free_x( nvals, memctx );
}
+
+ return rc;
+}
+
+int
+attr_merge_normalize(
+ Entry *e,
+ AttributeDescription *desc,
+ BerVarray vals,
+ void *memctx )
+{
+ BerVarray nvals = NULL;
+ int rc;
+
+ rc = attr_normalize( desc, vals, &nvals, memctx );
+ if ( rc == LDAP_SUCCESS ) {
+ rc = attr_merge( e, desc, vals, nvals );
+ if ( nvals != NULL ) {
+ ber_bvarray_free_x( nvals, memctx );
+ }
+ }
+
return rc;
}
return rc;
}
+/*
+ * if a normalization function is defined for the equality matchingRule
+ * of desc, the value is normalized and stored in nval; otherwise nval
+ * is NULL
+ */
int
-attr_merge_normalize_one(
- Entry *e,
+attr_normalize_one(
AttributeDescription *desc,
struct berval *val,
+ struct berval *nval,
void *memctx )
{
- struct berval nval;
- struct berval *nvalp = NULL;
- int rc;
+ int rc = LDAP_SUCCESS;
+
+ BER_BVZERO( nval );
if ( desc->ad_type->sat_equality &&
desc->ad_type->sat_equality->smr_normalize )
{
- rc = (*desc->ad_type->sat_equality->smr_normalize)(
+ rc = desc->ad_type->sat_equality->smr_normalize(
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
desc->ad_type->sat_syntax,
desc->ad_type->sat_equality,
- val, &nval, memctx );
+ val, nval, memctx );
if ( rc != LDAP_SUCCESS ) {
return rc;
}
+ }
+
+ return rc;
+}
+
+int
+attr_merge_normalize_one(
+ Entry *e,
+ AttributeDescription *desc,
+ struct berval *val,
+ void *memctx )
+{
+ struct berval nval = BER_BVNULL;
+ struct berval *nvalp = NULL;
+ int rc;
+
+ rc = attr_normalize_one( desc, val, &nval, memctx );
+ if ( rc == LDAP_SUCCESS && !BER_BVISNULL( &nval ) ) {
nvalp = &nval;
}
return LDAP_NO_SUCH_ATTRIBUTE;
}
+int
+attr_init( void )
+{
+ ldap_pvt_thread_mutex_init( &attr_mutex );
+ return 0;
+}
+
+int
+attr_destroy( void )
+{
+ slap_list *a;
+
+ for ( a=attr_chunks; a; a=attr_chunks ) {
+ attr_chunks = a->next;
+ free( a );
+ }
+ ldap_pvt_thread_mutex_destroy( &attr_mutex );
+ return 0;
+}
projects / openldap / blobdiff