Fix -WConversion warninigs in bmqtool storage inspector

Signed-off-by: Dmitrii Petukhov <[email protected]>

src/applications/bmqtool/m_bmqtool_storageinspector.cpp

@@ -128,42 +128,52 @@ bool resetIterator(mqbs::MappedFileDescriptor* mfd,
 /// opened by the iterator.  Verify that the file and iterator are in a
 /// valid state; reset them if this is not the case.  Pass parameters to
 /// indicate how many records to skip and whether that is forward
-/// or backwards.  Return true on success and false on error.
+/// or backwards.
 template <typename CHOICE, typename ITER>
 void iterateNextPosition(CHOICE&                     choice,
-                         mqbs::MappedFileDescriptor* mfd,
-                         ITER*                       iter,
-                         const char*                 filename)
+                         mqbs::MappedFileDescriptor *mfd,
+                         ITER                       *iter,
+                         const char                 *filename)
 {
-    int  skip    = -1;
-    bool reverse = false;
-    bool verbose = false;
+    bsls::Types::Uint64 skip    = 0;
+    bool                reverse = false;
+    bool                verbose = false;
 
     switch (choice.selectionId()) {
-    case CHOICE::SELECTION_ID_N: {
+      case CHOICE::SELECTION_ID_N: {
         reverse = false;
         skip    = choice.n();
-    } break;
-    case CHOICE::SELECTION_ID_NEXT: {
+      } break;
+      case CHOICE::SELECTION_ID_NEXT: {
         reverse = false;
         skip    = choice.next();
-    } break;
-    case CHOICE::SELECTION_ID_P: {
+      } break;
+      case CHOICE::SELECTION_ID_P: {
         reverse = true;
         skip    = choice.p();
-    } break;
-    case CHOICE::SELECTION_ID_PREV: {
+      } break;
+      case CHOICE::SELECTION_ID_PREV: {
         reverse = true;
         skip    = choice.prev();
-    } break;
-    case CHOICE::SELECTION_ID_RECORD: {
+      } break;
+      case CHOICE::SELECTION_ID_RECORD: {
         skip = choice.record();
-    } break;
-    case CHOICE::SELECTION_ID_R: {
-        if (skip == -1) {
-            skip = choice.r();
+
+        if (skip >= iter->recordIndex()) {
+            // If the skip is greater than our current index, than we are
+            // iterating forward to reach the specified index.
+            skip -= iter->recordIndex();
+            reverse = false;
         }
-        if (skip >= static_cast<int>(iter->recordIndex())) {
+        else {
+            skip    = iter->recordIndex() - skip;
+            reverse = true;
+        }
+      } break;
+      case CHOICE::SELECTION_ID_R: {
+        skip = choice.r();
+
+        if (skip >= iter->recordIndex()) {
             // If the skip is greater than our current index, than we are
             // iterating forward to reach the specified index.
             skip -= iter->recordIndex();
@@ -173,30 +183,32 @@ void iterateNextPosition(CHOICE&                     choice,
             skip    = iter->recordIndex() - skip;
             reverse = true;
         }
-    } break;
-    case CHOICE::SELECTION_ID_LIST: {
-        skip    = choice.list();
-        verbose = true;
-        if (skip >= 0) {
+      } break;
+      case CHOICE::SELECTION_ID_LIST: {
+        int list = choice.list();
+        verbose  = true;
+        if (list >= 0) {
             reverse = false;
         }
         else {
             reverse = true;
-            skip *= -1;
+            list *= -1;
         }
-    } break;
-    case CHOICE::SELECTION_ID_L: {
-        skip    = choice.l();
-        verbose = true;
-        if (skip >= 0) {
+        skip = list;
+      } break;
+      case CHOICE::SELECTION_ID_L: {
+        int list = choice.l();
+        verbose  = true;
+        if (list >= 0) {
             reverse = false;
         }
         else {
             reverse = true;
-            skip *= -1;
+            list *= -1;
         }
-    } break;
-    default:
+        skip = list;
+      } break;
+      default:
         BALL_LOG_ERROR << "Unsupported choice: " << choice.selectionId();
         return;  // RETURN
     }