+#else
+ char _sd[1];
+ char *sd = _sd;
+ errno = 0;
+ ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ACL,
+ ni, dir_ni, sd,
+ sizeof(sd));
+ if (ret > sizeof(sd)) {
+ sd = alloca(ret);
+ ret = ntfs_xattr_system_getxattr(&ctx, XATTR_NTFS_ACL,
+ ni, dir_ni, sd, ret);
+ }
+ if (ret > 0) {
+ root->security_id = sd_set_add_sd(sd_set, sd, ret);
+ if (root->security_id == -1) {
+ ERROR("Out of memory");
+ return WIMLIB_ERR_NOMEM;
+ }
+ DEBUG("Added security ID = %u for `%s'",
+ root->security_id, path);
+ ret = 0;
+ } else if (ret < 0) {
+ ERROR_WITH_ERRNO("Failed to get security information from "
+ "`%s'", path);
+ ret = WIMLIB_ERR_NTFS_3G;
+ } else {
+ root->security_id = -1;
+ DEBUG("No security ID for `%s'", path);
+ }
+#endif