+/*
+ * 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;
+}
+