Added scan_ptr reset function '%' to deal with corrupt pointer issue (ie #178, etc)

Author: dgets

ddoc2.js

@@ -256,20 +256,30 @@ docIface = {
 	    }
 
 	    if (!roomData.tieIns.isZapped(ndx)) {
+		mBase = msg_base.util.openNewMBase(subList[ndx].code);
+
 		if (userSettings.debug.navigation) {
-		  console.putmsg("Room not zapped\n");
+		  console.putmsg("Room not zapped\t\tscan_ptr: " +
+                      subList[ndx].scan_ptr + "\t\ttotal: " +
+                      mBase.total_msgs + "\n");
 		}
-
-		mBase = msg_base.util.openNewMBase(subList[ndx].code);
-		if (mBase == null) {
+                
+                if (mBase == null) {
 		  break;
 		}
 
 		if (subList[ndx].scan_ptr < mBase.total_msgs) {
 		    docIface.nav.setSub(subList[ndx]);
 		    mBase.close();
 		    return subList[ndx];
-		}
+		} else if (subList[ndx].scan_ptr > mBase.total_msg) {
+                    //we've got some corrupt shit to fix here; not sure how it
+                    //happened but we might as well have a way to fix it
+                    subList[ndx].scan_ptr = mBase.first_msg;
+                    if (userSettings.debug.navigation) {
+                        console.putmsg(yellow + " just fixed scan ptrs\n");
+                    }
+                }
 		mBase.close();
 	    }
 	}
@@ -712,6 +722,7 @@ if (!debugOnly) {
 		case 'o':
 		case 'k':
 		case '-':
+                case '%':
 		  msg_base.entry_level.handler(uchoice);
 		  break;
 		//other msg base shit

load/dmbase.js

@@ -311,8 +311,15 @@ msg_base = {
                                msg_base.util.remap_message_indices(
                                                 mBase),
                                true);
-	    }
-	  //}
+	    } /* else if (msg_area.sub[bbs.cursub_code].scan_ptr >
+                            mBase.total_msgs) {
+              //let's reset this to something sane just to get it working again
+              //for now; we'll worry about doing it correctly later
+
+              msg_area.sub[bbs.cursub_code].scan_ptr = mBase.first_msg;
+
+            }
+	  //} */
 	  mBase.close();
           docIface.nav.findNew();
 	  return;
@@ -590,7 +597,11 @@ msg_base = {
             break;
 	  case 'l':	//logout
 	    docIface.util.quitDdoc();
-	    break; 
+	    break;
+          case '%':     //reset message pointers
+            var board = msg_area.sub[bbs.cursub_code];
+            board.scan_ptr = 0;
+            break;
           default:
             if (userSettings.debug.navigation) {
               console.putmsg("\nNot handled yet . . .\n\n");