Function adfReadRDSKblock

dep/adflib/src/adf_hd.c:679–724

* ReadRDSKblock * */

 *
 */
	RETCODE
adfReadRDSKblock( struct Device* dev, struct bRDSKblock* blk )
{

    UCHAR buf[256];
    struct nativeFunctions *nFct;
    RETCODE rc2;
    RETCODE rc = RC_OK;
	
    nFct = adfEnv.nativeFct;
    if (dev->isNativeDev)
        rc2 =(*nFct->adfNativeReadSector)(dev, 0, 256, buf);
    else
        rc2 = adfReadDumpSector(dev, 0, 256, buf);

    if (rc2!=RC_OK)
       return(RC_ERROR);

    memcpy(blk, buf, 256);
#ifdef LITT_ENDIAN
    /* big to little = 68000 to x86 */
    swapEndian((uint8_t*)blk, SWBL_RDSK);
#endif

    if ( strncmp(blk->id,"RDSK",4)!=0 ) {
        (*adfEnv.eFct)("ReadRDSKblock : RDSK id not found");
        return RC_ERROR;
    }

    if ( blk->size != 64 )
        (*adfEnv.wFct)("ReadRDSKBlock : size != 64");				/* BV */

    if ( blk->checksum != adfNormalSum(buf,8,256) ) {
         (*adfEnv.wFct)("ReadRDSKBlock : incorrect checksum");
         /* BV FIX: Due to malicious Win98 write to sector
         rc|=RC_BLOCKSUM;*/
    }
	
    if ( blk->blockSize != 512 )
         (*adfEnv.wFct)("ReadRDSKBlock : blockSize != 512");		/* BV */

    if ( blk->cylBlocks !=  blk->sectors*blk->heads )
        (*adfEnv.wFct)( "ReadRDSKBlock : cylBlocks != sectors*heads");

    return rc;
}


/*