Subversion Repositories openrisc

struct re_pattern_buffer {

    unsigned char *buffer;

    unsigned long int allocated;

};

void byte_regex_compile (struct re_pattern_buffer *bufp,

                         unsigned char *begalt, unsigned char *b)

{

  unsigned char *pfrom;

  unsigned char *pto;

  while ((unsigned long) (b - bufp->buffer + 3) > bufp->allocated)

    {

      unsigned char *old_buffer = bufp->buffer;

      bufp->allocated <<= 1;

      if (old_buffer != bufp->buffer)

        {

          int incr = bufp->buffer - old_buffer;

          b += incr;

        }

    }

  pfrom = b;

  pto = b + 3;

  while (pfrom != begalt)

    *--pto = *--pfrom;

}