Replace uses of boost::filesystem with fs

Step two in abstracting away boost::filesystem.

To repeat this, simply run:
```
git ls-files \*.cpp \*.h | xargs sed -i 's/boost::filesystem/fs/g'
```

5 files changed, 25 insertions, 25 deletions

diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index 825e233b98..050450247f 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -66,7 +66,7 @@ void CDBEnv::Close()
     EnvShutdown();
 }
 
-bool CDBEnv::Open(const boost::filesystem::path& pathIn)
+bool CDBEnv::Open(const fs::path& pathIn)
 {
     if (fDbEnvInit)
         return true;
@@ -74,9 +74,9 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
     boost::this_thread::interruption_point();
 
     strPath = pathIn.string();
-    boost::filesystem::path pathLogDir = pathIn / "database";
+    fs::path pathLogDir = pathIn / "database";
     TryCreateDirectory(pathLogDir);
-    boost::filesystem::path pathErrorFile = pathIn / "db.log";
+    fs::path pathErrorFile = pathIn / "db.log";
     LogPrintf("CDBEnv::Open: LogDir=%s ErrorFile=%s\n", pathLogDir.string(), pathErrorFile.string());
 
     unsigned int nEnvFlags = 0;
@@ -227,13 +227,13 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
     return fSuccess;
 }
 
-bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& errorStr)
+bool CDB::VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr)
 {
     LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
     LogPrintf("Using wallet %s\n", walletFile);
 
     // Wallet file must be a plain filename without a directory
-    if (walletFile != boost::filesystem::basename(walletFile) + boost::filesystem::extension(walletFile))
+    if (walletFile != fs::basename(walletFile) + fs::extension(walletFile))
     {
         errorStr = strprintf(_("Wallet %s resides outside data directory %s"), walletFile, dataDir.string());
         return false;
@@ -242,12 +242,12 @@ bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesyst
     if (!bitdb.Open(dataDir))
     {
         // try moving the database env out of the way
-        boost::filesystem::path pathDatabase = dataDir / "database";
-        boost::filesystem::path pathDatabaseBak = dataDir / strprintf("database.%d.bak", GetTime());
+        fs::path pathDatabase = dataDir / "database";
+        fs::path pathDatabaseBak = dataDir / strprintf("database.%d.bak", GetTime());
         try {
-            boost::filesystem::rename(pathDatabase, pathDatabaseBak);
+            fs::rename(pathDatabase, pathDatabaseBak);
             LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string());
-        } catch (const boost::filesystem::filesystem_error&) {
+        } catch (const fs::filesystem_error&) {
             // failure is ok (well, not really, but it's not worse than what we started with)
         }
 
@@ -261,9 +261,9 @@ bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesyst
     return true;
 }
 
-bool CDB::VerifyDatabaseFile(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile))
+bool CDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile))
 {
-    if (boost::filesystem::exists(dataDir / walletFile))
+    if (fs::exists(dataDir / walletFile))
     {
         CDBEnv::VerifyResult r = bitdb.Verify(walletFile, recoverFunc);
         if (r == CDBEnv::RECOVER_OK)
@@ -590,7 +590,7 @@ void CDBEnv::Flush(bool fShutdown)
                 dbenv->log_archive(&listp, DB_ARCH_REMOVE);
                 Close();
                 if (!fMockDb)
-                    boost::filesystem::remove_all(boost::filesystem::path(strPath) / "database");
+                    fs::remove_all(fs::path(strPath) / "database");
             }
         }
     }
diff --git a/src/wallet/db.h b/src/wallet/db.h
index b99c3156d6..9f912f9a1a 100644
--- a/src/wallet/db.h
+++ b/src/wallet/db.h
@@ -27,7 +27,7 @@ class CDBEnv
 private:
     bool fDbEnvInit;
     bool fMockDb;
-    // Don't change into boost::filesystem::path, as that can result in
+    // Don't change into fs::path, as that can result in
     // shutdown problems/crashes caused by a static initialized internal pointer.
     std::string strPath;
 
@@ -66,7 +66,7 @@ public:
     typedef std::pair<std::vector<unsigned char>, std::vector<unsigned char> > KeyValPair;
     bool Salvage(const std::string& strFile, bool fAggressive, std::vector<KeyValPair>& vResult);
 
-    bool Open(const boost::filesystem::path& path);
+    bool Open(const fs::path& path);
     void Close();
     void Flush(bool fShutdown);
     void CheckpointLSN(const std::string& strFile);
@@ -109,9 +109,9 @@ public:
        ideal to be called periodically */
     static bool PeriodicFlush(std::string strFile);
     /* verifies the database environment */
-    static bool VerifyEnvironment(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& errorStr);
+    static bool VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr);
     /* verifies the database file */
-    static bool VerifyDatabaseFile(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile));
+    static bool VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile));
 
 private:
     CDB(const CDB&);
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index ec0432f9cf..55d81daab4 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3945,16 +3945,16 @@ bool CWallet::BackupWallet(const std::string& strDest)
                 bitdb.mapFileUseCount.erase(strWalletFile);
 
                 // Copy wallet file
-                boost::filesystem::path pathSrc = GetDataDir() / strWalletFile;
-                boost::filesystem::path pathDest(strDest);
-                if (boost::filesystem::is_directory(pathDest))
+                fs::path pathSrc = GetDataDir() / strWalletFile;
+                fs::path pathDest(strDest);
+                if (fs::is_directory(pathDest))
                     pathDest /= strWalletFile;
 
                 try {
-                    boost::filesystem::copy_file(pathSrc, pathDest, boost::filesystem::copy_option::overwrite_if_exists);
+                    fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
                     LogPrintf("copied %s to %s\n", strWalletFile, pathDest.string());
                     return true;
-                } catch (const boost::filesystem::filesystem_error& e) {
+                } catch (const fs::filesystem_error& e) {
                     LogPrintf("error copying %s to %s - %s\n", strWalletFile, pathDest.string(), e.what());
                     return false;
                 }
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index a04e35046d..ceff2d36e3 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -842,12 +842,12 @@ bool CWalletDB::RecoverKeysOnlyFilter(void *callbackData, CDataStream ssKey, CDa
     return true;
 }
 
-bool CWalletDB::VerifyEnvironment(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& errorStr)
+bool CWalletDB::VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr)
 {
     return CDB::VerifyEnvironment(walletFile, dataDir, errorStr);
 }
 
-bool CWalletDB::VerifyDatabaseFile(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& warningStr, std::string& errorStr)
+bool CWalletDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr)
 {
     return CDB::VerifyDatabaseFile(walletFile, dataDir, errorStr, warningStr, CWalletDB::Recover);
 }
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 271c1d66c9..b94f341b2e 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -185,9 +185,9 @@ public:
     /* Function to determine if a certain KV/key-type is a key (cryptographical key) type */
     static bool IsKeyType(const std::string& strType);
     /* verifies the database environment */
-    static bool VerifyEnvironment(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& errorStr);
+    static bool VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr);
     /* verifies the database file */
-    static bool VerifyDatabaseFile(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& warningStr, std::string& errorStr);
+    static bool VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr);
 
     //! write the hdchain model (external chain child index counter)
     bool WriteHDChain(const CHDChain& chain);