Merge pull request #1104 from laanwj/2012_04_clang

Enable and fix most compilation warnings

src/qt/addresstablemodel.cpp

@@ -27,8 +27,9 @@ struct AddressTableEntry
 };
 
 // Private implementation
-struct AddressTablePriv
+class AddressTablePriv
 {
+public:
     CWallet *wallet;
     QList<AddressTableEntry> cachedAddressTable;
 

src/qt/bitcoinstrings.cpp

@@ -1,6 +1,11 @@
 #include <QtGlobal>
 // Automatically generated by extract_strings.py
-static const char *bitcoin_strings[] = {QT_TRANSLATE_NOOP("bitcoin-core", ""
+#ifdef __GNUC__
+#define UNUSED __attribute__((unused))
+#else
+#define UNUSED
+#endif
+static const char UNUSED *bitcoin_strings[] = {QT_TRANSLATE_NOOP("bitcoin-core", ""
 "Unable to bind to port %d on this computer.  Bitcoin is probably already "
 "running."),
 QT_TRANSLATE_NOOP("bitcoin-core", "Warning: Disk space is low  "),

src/qt/editaddressdialog.cpp

@@ -106,6 +106,9 @@ void EditAddressDialog::accept()
                 tr("New key generation failed."),
                 QMessageBox::Ok, QMessageBox::Ok);
             return;
+        case AddressTableModel::OK:
+            // Failed with unknown reason. Just reject.
+            break;
         }
 
         return;

src/qt/sendcoinsdialog.cpp

@@ -154,6 +154,8 @@ void SendCoinsDialog::on_sendButton_clicked()
             tr("Error: The transaction was rejected.  This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here."),
             QMessageBox::Ok, QMessageBox::Ok);
         break;
+    case WalletModel::Aborted: // User aborted, nothing to do
+        break;
     case WalletModel::OK:
         accept();
         break;

src/qt/transactiontablemodel.cpp

@@ -45,8 +45,9 @@ struct TxLessThan
 };
 
 // Private implementation
-struct TransactionTablePriv
+class TransactionTablePriv
 {
+public:
     TransactionTablePriv(CWallet *wallet, TransactionTableModel *parent):
             wallet(wallet),
             parent(parent)

src/qt/walletmodel.h

@@ -35,8 +35,7 @@ public:
         DuplicateAddress,
         TransactionCreationFailed, // Error returned when wallet is still locked
         TransactionCommitFailed,
-        Aborted,
-        MiscError
+        Aborted
     };
 
     enum EncryptionStatus