+ if (!opt.ignore_length
+ && resp_header_copy (resp, "Content-Length", hdrval, sizeof (hdrval)))
+ {
+ wgint parsed;
+ errno = 0;
+ parsed = str_to_wgint (hdrval, NULL, 10);
+ if (parsed == WGINT_MAX && errno == ERANGE)
+ {
+ /* Out of range.
+ #### If Content-Length is out of range, it most likely
+ means that the file is larger than 2G and that we're
+ compiled without LFS. In that case we should probably
+ refuse to even attempt to download the file. */
+ contlen = -1;
+ }
+ else if (parsed < 0)
+ {
+ /* Negative Content-Length; nonsensical, so we can't
+ assume any information about the content to receive. */
+ contlen = -1;
+ }
+ else
+ contlen = parsed;
+ }
+