+ LDAP_STAILQ_NEXT(ssyn,ssyn_next) = NULL;
+
+ /*
+ * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
+ * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
+ */
+ ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
+ ssyn->ssyn_oidlen = strlen(syn->syn_oid);
+ ssyn->ssyn_flags = def->sd_flags;
+ ssyn->ssyn_validate = def->sd_validate;
+ ssyn->ssyn_pretty = def->sd_pretty;
+
+ ssyn->ssyn_sups = NULL;
+
+#ifdef SLAPD_BINARY_CONVERSION
+ ssyn->ssyn_ber2str = def->sd_ber2str;
+ ssyn->ssyn_str2ber = def->sd_str2ber;
+#endif
+
+ if ( def->sd_validate == NULL && def->sd_pretty == NULL && syn->syn_extensions != NULL ) {
+ LDAPSchemaExtensionItem **lsei;
+ Syntax *subst = NULL;
+
+ for ( lsei = syn->syn_extensions; *lsei != NULL; lsei++) {
+ if ( strcmp( (*lsei)->lsei_name, "X-SUBST" ) != 0 ) {
+ continue;
+ }
+
+ assert( (*lsei)->lsei_values != NULL );
+ if ( (*lsei)->lsei_values[0] == '\0'
+ || (*lsei)->lsei_values[1] != '\0' )
+ {
+ Debug( LDAP_DEBUG_ANY, "syn_add(%s): exactly one substitute syntax must be present\n",
+ ssyn->ssyn_syn.syn_oid, 0, 0 );
+ return SLAP_SCHERR_SYN_SUBST_NOT_SPECIFIED;
+ }
+
+ subst = syn_find( (*lsei)->lsei_values[0] );
+ if ( subst == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "syn_add(%s): substitute syntax %s not found\n",
+ ssyn->ssyn_syn.syn_oid, (*lsei)->lsei_values[0], 0 );
+ return SLAP_SCHERR_SYN_SUBST_NOT_FOUND;
+ }
+ break;
+ }