Function httpGets

cups/http.c:1150–1318

 */

char *					/* O - Line or @code NULL@ */
httpGets(char   *line,			/* I - Line to read into */
         int    length,			/* I - Max length of buffer */
	 http_t *http)			/* I - HTTP connection */
{
  char		*lineptr,		/* Pointer into line */
		*lineend,		/* End of line */
		*bufptr,		/* Pointer into input buffer */
	        *bufend;		/* Pointer to end of buffer */
  ssize_t	bytes;			/* Number of bytes read */
  int		eol;			/* End-of-line? */


  DEBUG_printf(("2httpGets(line=%p, length=%d, http=%p)", (void *)line, length, (void *)http));

  if (!http || !line || length <= 1)
    return (NULL);

 /*
  * Read a line from the buffer...
  */

  http->error = 0;
  lineptr     = line;
  lineend     = line + length - 1;
  eol         = 0;

  while (lineptr < lineend)
  {
   /*
    * Pre-load the buffer as needed...
    */

#ifdef _WIN32
    WSASetLastError(0);
#else
    errno = 0;
#endif /* _WIN32 */

    while (http->used == 0)
    {
     /*
      * No newline; see if there is more data to be read...
      */

      while (!_httpWait(http, http->wait_value, 1))
      {
	if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data))
	  continue;

        DEBUG_puts("3httpGets: Timed out!");
#ifdef _WIN32
        http->error = WSAETIMEDOUT;
#else
        http->error = ETIMEDOUT;
#endif /* _WIN32 */
        return (NULL);
      }