+#else
+ ssize_t r;
+ char buf[BUFSIZ];
+ const size_t len_sz = (size_t) len;
+ size_t n;
+
+ memset (buf, 0, BUFSIZ);
+ n = 0;
+ while (n < len_sz) {
+ r = write (fd, buf, len_sz - n < BUFSIZ ? len_sz - n : BUFSIZ);
+ if (r == -1) {
+ reply_with_perror ("write: %s", path);
+ close (fd);
+ return -1;
+ }
+ n += r;
+ }
+#endif