Function httpResolveHostname

cups/http-addr.c:909–940

 */

const char *				/* O - Resolved hostname or @code NULL@ */
httpResolveHostname(http_t *http,	/* I - HTTP connection */
                    char   *buffer,	/* I - Hostname buffer */
                    size_t bufsize)	/* I - Size of buffer */
{
  if (!http)
    return (NULL);

  if (isdigit(http->hostname[0] & 255) || http->hostname[0] == '[')
  {
    char	temp[1024];		/* Temporary string */

    if (httpAddrLookup(http->hostaddr, temp, sizeof(temp)))
      strlcpy(http->hostname, temp, sizeof(http->hostname));
    else
      return (NULL);
  }

  if (buffer)
  {
    if (http->hostname[0] == '/')
      strlcpy(buffer, "localhost", bufsize);
    else
      strlcpy(buffer, http->hostname, bufsize);

    return (buffer);
  }
  else if (http->hostname[0] == '/')
    return ("localhost");
  else
    return (http->hostname);
}