From 8982b69aabfefd65e8f3d859018228998f523cae Mon Sep 17 00:00:00 2001
From: svost <ya.nowa@yandex.ru>
Date: Wed, 30 Mar 2016 23:05:23 +0300
Subject: [PATCH] Get rid of 'e': all unused

---
 src/db.h                  |    3 +--
 src/init.cpp              |    3 +--
 src/main.h                |    6 ++----
 src/qt/multisigdialog.cpp |    9 +++------
 src/txdb-leveldb.h        |    3 +--
 src/walletdb.cpp          |    2 +-
 6 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/src/db.h b/src/db.h
index 993b7a7..07bb2b0 100644
--- a/src/db.h
+++ b/src/db.h
@@ -137,8 +137,7 @@ protected:
             CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK, CLIENT_VERSION);
             ssValue >> value;
         }
-        catch (std::exception &e) {
-            (void)e;
+        catch (const std::exception&) {
             return false;
         }
 
diff --git a/src/init.cpp b/src/init.cpp
index 1e0daaa..01900a5 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -780,8 +780,7 @@ bool AppInit2()
                     strLoadError = _("Error loading block database");
                     break;
                 }
-            } catch(std::exception &e) {
-                (void)e;
+            } catch(const std::exception&) {
                 strLoadError = _("Error opening block database");
                 break;
             }
diff --git a/src/main.h b/src/main.h
index 63884b2..df49707 100644
--- a/src/main.h
+++ b/src/main.h
@@ -620,8 +620,7 @@ public:
         try {
             filein >> *this;
         }
-        catch (std::exception &e) {
-            (void)e;
+        catch (const std::exception&) {
             return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
         }
 
@@ -1096,8 +1095,7 @@ public:
         try {
             filein >> *this;
         }
-        catch (std::exception &e) {
-            (void)e;
+        catch (const std::exception&) {
             return error("%s() : deserialize or I/O error", BOOST_CURRENT_FUNCTION);
         }
 
diff --git a/src/qt/multisigdialog.cpp b/src/qt/multisigdialog.cpp
index 97e49cf..c804c99 100644
--- a/src/qt/multisigdialog.cpp
+++ b/src/qt/multisigdialog.cpp
@@ -347,9 +347,8 @@ void MultisigDialog::on_transaction_textChanged()
     {
         ss >> tx;
     }
-    catch(std::exception &e)
+    catch(const std::exception&)
     {
-        (void)e;
         return;
     }
 
@@ -418,9 +417,8 @@ void MultisigDialog::on_signTransactionButton_clicked()
     {
         ss >> tx;
     }
-    catch(std::exception &e)
+    catch(const std::exception&)
     {
-        (void)e;
         return;
     }
     CTransaction mergedTx(tx);
@@ -538,9 +536,8 @@ void MultisigDialog::on_sendTransactionButton_clicked()
     {
         ssData >> tx;
     }
-    catch(std::exception &e)
+    catch(const std::exception&)
     {
-        (void)e;
         return;
     }
     uint256 txHash = tx.GetHash();
diff --git a/src/txdb-leveldb.h b/src/txdb-leveldb.h
index c73dda6..07c7088 100644
--- a/src/txdb-leveldb.h
+++ b/src/txdb-leveldb.h
@@ -91,8 +91,7 @@ protected:
                                 SER_DISK, CLIENT_VERSION);
             ssValue >> value;
         }
-        catch (std::exception &e) {
-            (void)e;
+        catch (const std::exception&) {
             return false;
         }
         return true;
diff --git a/src/walletdb.cpp b/src/walletdb.cpp
index ab85b07..3880a93 100644
--- a/src/walletdb.cpp
+++ b/src/walletdb.cpp
@@ -654,7 +654,7 @@ DBErrors CWalletDB::FindWalletTx(CWallet* pwallet, vector<uint256>& vTxHash)
         }
         pcursor->close();
     }
-    catch (boost::thread_interrupted) {
+    catch (const boost::thread_interrupted&) {
         throw;
     }
     catch (...) {
-- 
1.7.1