Function cupsFileClose

cups/file.c:344–470

 */

int					/* O - 0 on success, -1 on error */
cupsFileClose(cups_file_t *fp)		/* I - CUPS file */
{
  int	fd;				/* File descriptor */
  char	mode;				/* Open mode */
  int	status;				/* Return status */


  DEBUG_printf(("cupsFileClose(fp=%p)", (void *)fp));

 /*
  * Range check...
  */

  if (!fp)
    return (-1);

 /*
  * Flush pending write data...
  */

  if (fp->mode == 'w')
    status = cupsFileFlush(fp);
  else
    status = 0;

#ifdef HAVE_LIBZ
  if (fp->compressed && status >= 0)
  {
    if (fp->mode == 'r')
    {
     /*
      * Free decompression data...
      */

      inflateEnd(&fp->stream);
    }
    else
    {
     /*
      * Flush any remaining compressed data...
      */

      unsigned char	trailer[8];	/* Trailer CRC and length */
      int		done;		/* Done writing... */


      fp->stream.avail_in = 0;

      for (done = 0;;)
      {
        if (fp->stream.next_out > fp->cbuf)
	{
	  if (cups_write(fp, (char *)fp->cbuf,
	                 (size_t)(fp->stream.next_out - fp->cbuf)) < 0)
	    status = -1;

	  fp->stream.next_out  = fp->cbuf;