Cleanup: get rid of unused variables.

src/common/SimilarToRegex.cpp

@@ -365,7 +365,6 @@ namespace
 
 					unsigned charSavePos = patternPos;
 					UChar32 c = getPatternChar();
-					bool range = false;
 					bool charClass = false;
 
 					if (useEscape && c == escapeChar)

src/common/classes/Synchronize.cpp

@@ -133,7 +133,7 @@ bool Synchronize::sleep(int milliseconds)
 	if (ret)
 		system_call_failed::raise("pthread_mutex_lock", ret);
 
-	int seconds = nanoTime.tv_sec - microTime.tv_sec;
+	///int seconds = nanoTime.tv_sec - microTime.tv_sec;
 
 	while (!wakeup)
 	{

src/common/classes/TempFile.cpp

@@ -69,8 +69,11 @@ static const char* DEFAULT_PATH =
 #endif
 
 static const char* const NAME_PATTERN = "XXXXXX";
+
+#ifdef WIN_NT
 static const char* const NAME_LETTERS = "abcdefghijklmnopqrstuvwxyz0123456789";
 static const FB_SIZE_T MAX_TRIES = 256;
+#endif
 
 // we need a class here only to return memory on shutdown and avoid
 // false memory leak reports

src/common/classes/init.cpp

@@ -203,6 +203,7 @@ namespace
 		initDone = 1;
 #ifdef HAVE_PTHREAD_ATFORK
 		int ret = pthread_atfork(NULL, NULL, child);
+		(void) ret;
 #endif
 
 		Firebird::MemoryPool::contextPoolInit();

src/common/isc.cpp

@@ -340,7 +340,6 @@ bool ISC_get_user(Firebird::string* name, int* id, int* group)
  **************************************/
 	// egid and euid need to be signed, uid_t is unsigned on SUN!
 	SLONG egid, euid;
-	TEXT user_name[256];
 	const TEXT* p = NULL;
 
 	euid = (SLONG) geteuid();

src/common/isc_sync.cpp

@@ -70,7 +70,9 @@
 #include "../common/classes/array.h"
 #include "../common/StatusHolder.h"
 
+#ifdef WIN_NT
 static int process_id;
+#endif
 
 // Unix specific stuff
 

src/common/os/posix/isc_ipc.cpp

@@ -106,7 +106,7 @@ const USHORT SIG_user		= 0;		// Our routine
 const USHORT SIG_client		= 1;		// Not our routine
 const USHORT SIG_informs	= 2;		// routine tells us whether to chain
 
-const SLONG SIG_informs_continue	= 0;	// continue on signal processing
+//const SLONG SIG_informs_continue	= 0;	// continue on signal processing
 const SLONG SIG_informs_stop		= 1;	// stop signal processing
 
 namespace {

src/common/unicode_util.cpp

@@ -422,6 +422,7 @@ static const char* const COLL_30_VERSION = "41.128.4.4";	// ICU 3.0 collator ver
 
 static GlobalPtr<UnicodeUtil::ICUModules> icuModules;
 
+#ifdef LINUX
 static bool extractVersionFromPath(const PathName& realPath, int& major, int& minor)
 {
 	major = 0;
@@ -460,6 +461,7 @@ static bool extractVersionFromPath(const PathName& realPath, int& major, int& mi
 
 	return major != 0;
 }
+#endif
 
 static ModuleLoader::Module* formatAndLoad(const char* templateName,
 	int& majorVersion, int& minorVersion)

src/common/utils.cpp

@@ -854,8 +854,11 @@ FetchPassResult fetchPassword(const Firebird::PathName& name, const char*& passw
 
 
 
-const SINT64 BILLION = 1000000000;
+#ifdef WIN_NT
 static SINT64 saved_frequency = 0;
+#elif defined(HAVE_CLOCK_GETTIME)
+const SINT64 BILLION = 1000000000;
+#endif
 
 // Returns current value of performance counter
 SINT64 query_performance_counter()

src/jrd/CryptoManager.cpp

@@ -214,7 +214,6 @@ namespace Jrd {
 			fb_assert(pageSpace);
 
 			Jrd::jrd_file* file = pageSpace->file;
-			const bool isTempPage = pageSpace->isTemporary();
 
 			Jrd::BackupManager::StateReadGuard stateGuard(tdbb);
 			Jrd::BackupManager* bm = dbb->dbb_backup_manager;

src/jrd/extds/ExtDS.cpp

@@ -412,8 +412,6 @@ Connection* Provider::getBoundConnection(Jrd::thread_db* tdbb,
 
 void Provider::jrdAttachmentEnd(thread_db* tdbb, Jrd::Attachment* att, bool forced)
 {
-	Database* dbb = tdbb->getDatabase();
-
 	HalfStaticArray<Connection*, 16> toRelease(getPool());
 
 	{	// scope

src/jrd/recsrc/AggregatedStream.cpp

@@ -301,8 +301,6 @@ int BaseAggWinStream<ThisType, NextType>::lookForChange(thread_db* tdbb, jrd_req
 	if (!group)
 		return false;
 
-	Impure* const impure = getImpure(request);
-
 	for (const NestConst<ValueExprNode>* ptrValue = group->begin(), *endValue = group->end();
 		 ptrValue != endValue;
 		 ++ptrValue)

src/jrd/recsrc/RecordSource.h

@@ -743,8 +743,6 @@ namespace Jrd
 			if (!group)
 				return;
 
-			Impure* const impure = getImpure(request);
-
 			for (const NestConst<ValueExprNode>* ptrValue = group->begin(), *endValue = group->end();
 				 ptrValue != endValue;
 				 ++ptrValue)

src/jrd/replication/Config.cpp

@@ -168,8 +168,6 @@ Config* Config::get(const PathName& lookupName)
 		const PathName filename =
 			fb_utils::getPrefix(IConfigManager::DIR_CONF, REPLICATION_CFGFILE);
 
-		MemoryPool& pool = *getDefaultMemoryPool();
-
 		ConfigFile cfgFile(filename, ConfigFile::HAS_SUB_CONF |
 									 ConfigFile::NATIVE_ORDER |
 									 ConfigFile::CUSTOM_MACROS);
@@ -334,15 +332,13 @@ void Config::enumerate(Firebird::Array<Config*>& replicas)
 		const PathName filename =
 			fb_utils::getPrefix(IConfigManager::DIR_CONF, REPLICATION_CFGFILE);
 
-		MemoryPool& pool = *getDefaultMemoryPool();
-
 		ConfigFile cfgFile(filename, ConfigFile::HAS_SUB_CONF |
 									 ConfigFile::NATIVE_ORDER |
 									 ConfigFile::CUSTOM_MACROS);
 
 		AutoPtr<Config> defConfig(FB_NEW Config);
 
-		bool defaultFound = false, exactMatch = false;
+		bool defaultFound = false;
 
 		for (const auto& section : cfgFile.getParameters())
 		{

src/lock/lock.cpp

@@ -2605,9 +2605,6 @@ void LockManager::post_blockage(thread_db* tdbb, lrq* request, lbl* lock)
 	const SRQ_PTR owner_offset = request->lrq_owner;
 	const own* owner = (own*) SRQ_ABS_PTR(owner_offset);
 
-	const SRQ_PTR request_offset = SRQ_REL_PTR(request);
-	const SRQ_PTR lock_offset = SRQ_REL_PTR(lock);
-
 	ASSERT_ACQUIRED;
 	CHECK(request->lrq_flags & LRQ_pending);
 

src/remote/client/interface.cpp

@@ -95,22 +95,23 @@
 const char* const PROTOCOL_INET = "inet";
 const char* const PROTOCOL_INET4 = "inet4";
 const char* const PROTOCOL_INET6 = "inet6";
+
+#ifdef WIN_NT
 const char* const PROTOCOL_WNET = "wnet";
 const char* const PROTOCOL_XNET = "xnet";
 
-const char* const INET_SEPARATOR = "/";
 const char* const WNET_SEPARATOR = "@";
+const char* const WNET_LOCALHOST = "\\\\.";
+#endif
+
+const char* const INET_SEPARATOR = "/";
 
 const char* const INET_LOCALHOST = "localhost";
-const char* const WNET_LOCALHOST = "\\\\.";
 
 
 using namespace Firebird;
 
 namespace {
-	// Success vector for general use
-	const ISC_STATUS success_vector[] = {isc_arg_gds, FB_SUCCESS, isc_arg_end};
-
 	void handle_error(ISC_STATUS code)
 	{
 		Arg::Gds(code).raise();

src/remote/inet.cpp

@@ -1282,7 +1282,6 @@ rem_port* INET_server(SOCKET sock)
  *	established.  Set up port block with the appropriate socket.
  *
  **************************************/
-	int n = 0;
 	rem_port* const port = alloc_port(NULL);
 	port->port_flags |= PORT_server;
 	port->port_server_flags |= SRVR_server;

src/remote/parser.cpp

@@ -67,7 +67,6 @@ RMessage* PARSE_messages(const UCHAR* blr, size_t blr_length)
 		return NULL;
 
 	RMessage* message = NULL;
-	ULONG net_length = 0;
 
 	bool error = false;
 

src/remote/remote.h

@@ -45,6 +45,8 @@
 
 #include "firebird/Interface.h"
 
+#include <type_traits>	// std::is_unsigned
+
 #ifndef WIN_NT
 #include <signal.h>
 #include <fcntl.h>
@@ -425,8 +427,7 @@ public:
 		m_flags(0)
 	{
 		// Require base flags field to be unsigned.
-		// This is a compile-time assertion; it won't build if you use a signed flags field.
-		typedef int dummy[T(-1) > 0];
+		static_assert(std::is_unsigned<T>::value, "T must be unsigned");
 	}
 	explicit RFlags(const T flags) :
 		m_flags(flags)

src/utilities/nbackup/nbackup.cpp

@@ -189,8 +189,6 @@ namespace
 		usage(uSvc, isc_nbackup_allowed_switches);
 	}
 
-	const int MSG_LEN = 1024;
-
 	// HPUX has non-posix-conformant method to return error codes from posix_fadvise().
 	// Instead of error code, directly returned by function (like specified by posix),
 	// -1 is returned in case of error and errno is set. Luckily, we can easily detect it runtime.

src/yvalve/gds.cpp

@@ -329,7 +329,6 @@ static const UCHAR
 	byte_line[]		= { op_byte, op_line, 0},
 	byte_args[] = { op_byte, op_line, op_args, 0},
 	byte_verb[] = { op_byte, op_line, op_verb, 0},
-	byte_verb_verb[] = { op_byte, op_line, op_verb, op_verb, 0},
 	byte_literal[] = { op_byte, op_literal, op_line, 0},
 	byte_byte_verb[] = { op_byte, op_byte, op_line, op_verb, 0},
 	verb_byte_verb[] = { op_verb, op_byte, op_line, op_verb, 0},

src/yvalve/preparse.cpp

@@ -51,7 +51,6 @@ enum pp_vals {
 };
 
 
-const size_t MAX_TOKEN_SIZE = 1024;
 static void generate_error(const Firebird::NoCaseString&, SSHORT, char = 0);
 
 struct pp_table