SparrowOSTS_121127.ISO

SparrowOS/Demo/Dsk/Raw.CPP

@@ -0,0 +1,41 @@
+U0 RawAccess(I64 drv_let=0)
+{
+  CPrt *p=Drv2Prt(drv_let);
+  CBlkDev *bdev=Drv2BlkDev(drv_let);
+  I64 blk,old_offset,old_size;
+  U8 *buf=MAlloc(BLK_SIZE);
+
+  PrtRep;
+  PressAKey;
+
+  ClassRep("CPrt",p);
+  PressAKey;
+
+  ClassRep("CBlkDev",bdev);
+  PressAKey;
+
+  //Temporarily change partition range to full device.
+  //Normally, you are limited to just your partition.
+  //This is obviously $BK,1$dangerous$BK,0$!
+  old_offset=p->offset;
+  old_size  =p->size;
+  p->offset=bdev->min_blk;
+  p->size=bdev->max_blk-bdev->min_blk+1;
+
+  try {
+    blk=PmtI64("Blk to Read: ",old_offset,bdev->min_blk,bdev->max_blk);
+    RBlks(p,buf,blk,1);
+    D(buf,BLK_SIZE);
+  } catch
+    CatchAll;
+
+  p->offset=old_offset;
+  p->size  =old_size;
+
+  Free(buf);
+}
+
+RawAccess;
+
+//See $LK,"RBlks","MN:RBlks"$(), $LK,"WBlks","MN:WBlks"$(), $LK,"PrtLock","MN:PrtLock"$(), $LK,"PrtUnlock","MN:PrtUnlock"$()
+//$LK,"DBlk","MN:DBlk"$(), $LK,"DCluster","MN:DCluster"$(), $LK,"BlkDevLock","MN:BlkDevLock"$() and $LK,"BlkDevUnlock","MN:BlkDevUnlock"$().