int read_boot( Boot *boot )
{
int i;
char *tbuff = Malloc(Sector_size);
#ifdef debug
IOdebug("msdosfs : read_boot");
#endif
if(tbuff == NULL)
{
#ifdef debugE
IOdebug( "msdosfs ERROR : read_boot can't malloc");
#endif
return -1;
}
if( (i = direct_read(0,Sector_size,tbuff)) == Sector_size )
{
memcpy((char *)boot, tbuff, sizeof(Boot));
Free(tbuff);
return 0;
}
#ifdef debugE
IOdebug("msdosfs ERROR : read_boot failed (expected %d, got %d)", sizeof(Boot), i);
#endif
Free(tbuff);
return -1;
}
static PyObject* directRead(PyObject* self, PyObject* arg)
{
PyObject* transferTuple;
unsigned int offset, size, i ;
if(!PyArg_ParseTuple(arg, "ll", &offset, &size))
return NULL;
uint8_t rx[size];
direct_read(offset, rx, size);
transferTuple = PyTuple_New(size);
for(i=0;i<size;i++)
PyTuple_SetItem(transferTuple, i, Py_BuildValue("i",rx[i]));
return transferTuple;
}
int read_sector(int sector)
{
long min = Sector_buf[0].LastUse;
int numbuf, i;
/* get a free sector buf */
for(numbuf=0, i=0; i<MAX_BUF; i++ )
if( min > Sector_buf[i].LastUse )
{
min = Sector_buf[i].LastUse;
numbuf = i;
}
Sector_buf[numbuf].Sector = sector;
/* read sector */
if(!direct_read(sector*Sector_size,Sector_size,Sector_buf[numbuf].Buf))
return -1;
time((time_t *)&Sector_buf[numbuf].LastUse);
return(numbuf);
}
