Function mbbuf_init

gl/lib/mbbuf.h:64–75

Initialize MBBUF with an allocated BUFFER of SIZE bytes and a file stream FP open for reading. SIZE must be greater than or equal to MCEL_LEN_MAX. */

   FP open for reading.  SIZE must be greater than or equal to MCEL_LEN_MAX.
 */
MBBUF_INLINE void
mbbuf_init (mbbuf_t *mbbuf, char *buffer, idx_t size, FILE *fp)
{
  if (size < MCEL_LEN_MAX)
    unreachable ();
  mbbuf->buffer = buffer;
  mbbuf->fp = fp;
  mbbuf->size = size;
  mbbuf->length = 0;
  mbbuf->offset = 0;
  mbbuf->eof = false;
}

/* Fill the input buffer with at least MCEL_LEN_MAX bytes if possible.
   Return the number of bytes available from the current offset.