Function cupsFileGetChar

cups/file.c:660–705

 */

int					/* O - Character or -1 on end of file */
cupsFileGetChar(cups_file_t *fp)	/* I - CUPS file */
{
 /*
  * Range check input...
  */

  DEBUG_printf(("4cupsFileGetChar(fp=%p)", (void *)fp));

  if (!fp || (fp->mode != 'r' && fp->mode != 's'))
  {
    DEBUG_puts("5cupsFileGetChar: Bad arguments!");
    return (-1);
  }

  if (fp->eof)
  {
    DEBUG_puts("5cupsFileGetChar: End-of-file!");
    return (-1);
  }

 /*
  * If the input buffer is empty, try to read more data...
  */

  DEBUG_printf(("5cupsFileGetChar: fp->eof=%d, fp->ptr=%p, fp->end=%p", fp->eof, (void *)fp->ptr, (void *)fp->end));

  if (fp->ptr >= fp->end)
    if (cups_fill(fp) <= 0)
    {
      DEBUG_puts("5cupsFileGetChar: Unable to fill buffer!");
      return (-1);
    }

 /*
  * Return the next character in the buffer...
  */

  DEBUG_printf(("5cupsFileGetChar: Returning %d...", *(fp->ptr) & 255));

  fp->pos ++;

  DEBUG_printf(("6cupsFileGetChar: pos=" CUPS_LLFMT, CUPS_LLCAST fp->pos));

  return (*(fp->ptr)++ & 255);
}


/*