separate shred and check process

include/drive.h

@@ -16,7 +16,8 @@ class Drive
 public:
     enum TaskState {NONE,
                     SHRED_SELECTED,
-                    SHRED_ACTIVE,
+                    SHRED_ACTIVE, //shred iterations active
+                    CHECK_ACTIVE, //optional checking active
                     DELETE_SELECTED,
                     DELETE_ACTIVE,
                     FROZEN
@@ -30,7 +31,8 @@ public:
         unsigned long ulSpeedMetricBytesWritten;
     } sShredSpeed;
 
-    bool bWasShredded = false;
+    bool bWasShredded = false; //all shred iterations done
+    bool bWasChecked = false; //all shred iterations and optional checking done
     bool bWasDeleteted = false;
     bool bIsOffline = false;
     uint32_t u32DriveChecksumAferShredding = 0U;

include/reHDD.h

@@ -33,7 +33,7 @@
 // Logic
 //#define DRYRUN //don´t touch the drives
 #define FROZEN_ALERT //show alert if drive is frozen
-#define ZERO_CHECK_ALERT //check drive after shred if all bytes are zero, show alert if this fails
+#define ZERO_CHECK //check drive after shred if all bytes are zero, show alert if this fails
 
 //IPC pipes
 #define READ 0