Add a RAM wipe option

Author: vaskas

Rsc/PIMSync_Rsc.h

@@ -1,22 +1,24 @@
 /* pilrc generated file.  Do not edit!*/
-#define AboutVersionLabel 1022
-#define AboutDescriptionLabel 1021
-#define AboutOKButton 1020
-#define AboutForm 1019
-#define DEBUG_ALERT 1018
-#define DELETE_ALERT 1017
-#define MainHelpButton 1016
-#define MainFromSDSubtitleLabel 1015
-#define MainFromSDTitleLabel 1014
-#define MainFromSDButton 1013
-#define MainToSDSubtitleLabel 1012
-#define MainToSDTitleLabel 1011
-#define MainToSDButton 1010
-#define MainSubtitleLabel 1009
-#define MainTitleLabel 1008
-#define MainForm 1007
-#define RomIncompatibleAlert 1006
-#define OptionsAbout 1005
+#define AboutVersionLabel 1024
+#define AboutDescriptionLabel 1023
+#define AboutOKButton 1022
+#define AboutForm 1021
+#define DEBUG_ALERT 1020
+#define WIPE_ALERT 1019
+#define DELETE_ALERT 1018
+#define MainHelpButton 1017
+#define MainFromSDSubtitleLabel 1016
+#define MainFromSDTitleLabel 1015
+#define MainFromSDButton 1014
+#define MainToSDSubtitleLabel 1013
+#define MainToSDTitleLabel 1012
+#define MainToSDButton 1011
+#define MainSubtitleLabel 1010
+#define MainTitleLabel 1009
+#define MainForm 1008
+#define RomIncompatibleAlert 1007
+#define OptionsAbout 1006
+#define OptionsWipe 1005
 #define MainMenuBar 1004
 #define ToSDBitmapFamily 1003
 #define FromSDBitmapFamily 1002

Rsc/PIMSync_Rsc.rcp

@@ -8,7 +8,7 @@ DATA "code" ID 1 "code0001.bin"
 GENERATEHEADER "Rsc/PIMSync_Rsc.h"
 
 APPLICATIONICONNAME ID 1000 "PIMSync"
-VERSION ID 1 "0.2"
+VERSION ID 1 "0.3"
 
 RESETAUTOID 1000
 
@@ -30,11 +30,15 @@ END
 
 MENU ID MainMenuBar
 BEGIN
-	PULLDOWN "Options"
+	PULLDOWN "Danger"
 	BEGIN
-		MENUITEM "About" ID OptionsAbout
+		MENUITEM "Wipe PIM in RAM" ID OptionsWipe
 	END
 
+	PULLDOWN "About"
+	BEGIN
+		MENUITEM "Help" ID OptionsAbout
+	END
 END
 
 ALERT ID RomIncompatibleAlert
@@ -73,6 +77,14 @@ BEGIN
   BUTTONS  "Yes" "No"
 END
 
+ALERT ID WIPE_ALERT
+WARNING
+BEGIN
+  TITLE "Danger"
+  MESSAGE  "This will DELETE all the memos, todos, addresses and datebook records in RAM! Are you mad?"
+  BUTTONS  "Yes, continue" "No, cancel"
+END
+
 ALERT ID DEBUG_ALERT
 CONFIRMATION
 BEGIN
@@ -89,6 +101,6 @@ BEGIN
 	BUTTON "OK" ID AboutOKButton AT (55 142 40 12)
 	FORMBITMAP AT (50 86) BITMAP PIMSyncBitmapFamily
 	LABEL "PIMSync allows you to use the SD\rcard to transfer the memo, address\rbook, todo and datebook databases\rfrom your Palm OS device and back.\rYou can use this workflow with\rprograms like J-Pilot on the PC." ID AboutDescriptionLabel  AT (5 16)
-	LABEL "V: 0.2" ID AboutVersionLabel  AT (132 145)
+	LABEL "V: 0.3" ID AboutVersionLabel  AT (132 145)
 END
 

Src/Main.c

@@ -30,16 +30,23 @@ static Boolean MainFormDoCommand(UInt16 command)
 			break;
 		}
 
+		case OptionsWipe:
+		{
+			HandleWipe();
+			handled = true;
+			break;
+		}
+
 		case MainFromSDButton:
 		{
-			handleFromSD();
+			HandleFromSD();
 			handled = true;
 			break;
 		}
 
 		case MainToSDButton:
 		{
-			handleToSD();
+			HandleToSD();
 			handled = true;
 			break;
 		}
@@ -179,9 +186,8 @@ static void CopyFromSDDir( UInt16 volRefNum, Char* dir, Messager Message, UInt32
         UInt32   type;
         Char     dbName[ dmDBNameLength ];
         Char     fileName[ MAX_FILENAME ];
-        LocalID  id;
         UInt16   card;
-        Int16    i;
+        LocalID  id;
 
         err = VFSDirEntryEnumerate( dirRef, &iterator, &info );
 
@@ -225,39 +231,7 @@ static void CopyFromSDDir( UInt16 volRefNum, Char* dir, Messager Message, UInt32
 
         VFSFileClose( fileRef );
 
-        for ( i = MemNumCards() - 1 ; 0 <= i ; i-- ) {
-             id = DmFindDatabase( i, dbName );
-             if ( id != NULL ) {
-
-                 if ( errNone != DmDeleteDatabase( i, id ) ) {
-                     SysNotifyDBInfoType d;
-                     Boolean deleted = false;
-
-                     if ( errNone == DmDatabaseInfo( i, id, d.dbName, &( d.attributes ), NULL, NULL,
-                               NULL, NULL, NULL, NULL, NULL, &d.type, &d.creator ) ) {
-                         SysNotifyParamType  n;
-
-                         MemSet( &n, sizeof( n ), 0 );
-                         n.notifyType  = sysNotifyDeleteProtectedEvent;
-                         n.broadcaster = appFileCreator;
-                         d.dbID = id;
-                         d.cardNo = i;
-                         n.notifyDetailsP = &d;
-
-                         SysNotifyBroadcast( &n );
-
-                         if ( errNone == DmDeleteDatabase( i, id ) ) {
-                             deleted = true;;
-                         }
-                     }
-                     if ( ! deleted ) {
-                         if ( missingP != NULL )
-                             *missingP = true;
-                         continue;
-                     }
-                 }
-             }
-        }
+        DeleteDB(dbName, missingP);
 
         err = VFSImportDatabaseFromFile(
                   volRefNum,
@@ -376,7 +350,57 @@ void CopyFromSD( UInt16 vol, Messager Message, UInt32 cookie, Boolean* copiedP,
     }
 }
 
-void handleFromSD()
+void DeleteDB( Char* dbName, Boolean* missingP )
+{
+    LocalID  id;
+    Int16    i;
+
+    for ( i = MemNumCards() - 1 ; 0 <= i ; i-- ) {
+        id = DmFindDatabase( i, dbName );
+        if ( id != NULL ) {
+
+          if ( errNone != DmDeleteDatabase( i, id ) ) {
+                SysNotifyDBInfoType d;
+                Boolean deleted = false;
+
+                if ( errNone == DmDatabaseInfo( i, id, d.dbName, &( d.attributes ), NULL, NULL,
+                          NULL, NULL, NULL, NULL, NULL, &d.type, &d.creator ) ) {
+                    SysNotifyParamType  n;
+
+                    MemSet( &n, sizeof( n ), 0 );
+                    n.notifyType  = sysNotifyDeleteProtectedEvent;
+                    n.broadcaster = appFileCreator;
+                    d.dbID = id;
+                    d.cardNo = i;
+                    n.notifyDetailsP = &d;
+
+                    SysNotifyBroadcast( &n );
+
+                    if ( errNone == DmDeleteDatabase( i, id ) ) {
+                        deleted = true;;
+                    }
+                }
+                if ( ! deleted ) {
+                    if ( missingP != NULL )
+                        *missingP = true;
+                    continue;
+                }
+            }
+        }
+    }
+}
+
+void WipeInRAM( Messager Message, UInt32 cookie, Boolean* missingP )
+{
+    Char *dbsToWipe[NUM_DBS+1] = DBS_TO_COPY;
+
+    for ( UInt32 i = 0; i < NUM_DBS; i++) {
+      DeleteDB(dbsToWipe[i], missingP);
+    }
+    Message("Wiped", cookie);
+}
+
+void HandleFromSD()
 {
     Boolean copied;
     Boolean missing;
@@ -388,11 +412,22 @@ void handleFromSD()
     }
 }
 
-void handleToSD()
+void HandleToSD()
 {
     Boolean copied;
     Boolean missing;
     StatusMessage("Copying the PIM files...", 0);
     CopyToSD( ALL_VOLUMES, StatusMessage, 0, &copied, &missing );
 }
 
+void HandleWipe()
+{
+    UInt8 selection;
+    Boolean missing;
+
+    selection = FrmAlert( WIPE_ALERT );
+    if ( selection == 0 ) {
+      WipeInRAM(StatusMessage, 0, &missing);
+    }
+}
+

Src/PIMSync.h

@@ -20,7 +20,7 @@
 
 #define appFileCreator			'PIMS'
 #define appName					"PIMSync"
-#define appVersionNum			0x01
+#define appVersionNum			0x03
 #define appPrefID				0x00
 #define appPrefVersionNum		0x01
 
@@ -33,9 +33,15 @@ Boolean MainFormHandleEvent(EventType * eventP);
 void OpenAboutDialog();
 
 #define ALL_VOLUMES 0xFFFF
+
 typedef void (*Messager)( const Char* s, UInt32 cookie );
 static void StatusMessage( const Char* s, UInt32 cookie );
+
 static void CopyFromSDDir( UInt16 volRefNum, Char* dir, Messager Message, UInt32 cookie, Boolean* copiedP, Boolean* missingP );
 void CopyToSD( UInt16 vol, Messager Message, UInt32 cookie, Boolean* copiedP, Boolean* missingP );
-void handleFromSD();
-void handleToSD();
+void WipeInRAM( Messager Message, UInt32 cookie, Boolean* missingP );
+void DeleteDB( Char* dbName, Boolean* missingP );
+
+void HandleFromSD();
+void HandleToSD();
+void HandleWipe();