Fixed some warnings

CsvQuery/CsharpSqlite/build_c.cs

@@ -3649,7 +3649,7 @@ static SrcList sqlite3SrcListEnlarge(
       if ( pSrc.nSrc + nExtra > pSrc.nAlloc )
       {
         int nAlloc = pSrc.nSrc + nExtra;
-        int nGot;
+        // int nGot;
         // sqlite3DbRealloc(db, pSrc,
         //     sizeof(*pSrc) + (nAlloc-1)*sizeof(pSrc.a[0]) );
         pSrc.nAlloc = (i16)nAlloc;

CsvQuery/CsharpSqlite/func_c.cs

@@ -1256,7 +1256,7 @@ sqlite3_value[] argv
       int nStr;           /* Size of zStr */
       int nOut;           /* Maximum size of zOut */
       //int loopLimit;    /* Last zStr[] that might match zPattern[] */
-      int i, j = 0;       /* Loop counters */
+      int j = 0;       /* Loop counters */
 
       Debug.Assert( argc == 3 );
       UNUSED_PARAMETER( argc );

CsvQuery/CsharpSqlite/malloc_c.cs

@@ -219,7 +219,7 @@ static int sqlite3MallocInit()
       if ( sqlite3GlobalConfig.pScratch != null && sqlite3GlobalConfig.szScratch >= 100
       && sqlite3GlobalConfig.nScratch >= 0 )
       {
-        int i;
+        //int i;
         sqlite3GlobalConfig.szScratch = ROUNDDOWN8( sqlite3GlobalConfig.szScratch - 4 );
         //mem0.aScratchFree = (u32)&((char)sqlite3GlobalConfig.pScratch)
         //  [sqlite3GlobalConfig.szScratch*sqlite3GlobalConfig.nScratch];

CsvQuery/CsharpSqlite/os_win_c.cs

@@ -828,7 +828,7 @@ static int seekWinFile( sqlite3_file id, sqlite3_int64 iOffset )
     {
       //LONG upperBits;                 /* Most sig. 32 bits of new offset */
       //LONG lowerBits;                 /* Least sig. 32 bits of new offset */
-      DWORD dwRet;                    /* Value returned by SetFilePointer() */
+      //DWORD dwRet;                    /* Value returned by SetFilePointer() */
       sqlite3_file pFile = id;
 
       //upperBits = (LONG)((iOffset>>32) & 0x7fffffff);
@@ -853,7 +853,7 @@ static int seekWinFile( sqlite3_file id, sqlite3_int64 iOffset )
         id.fs.Seek( iOffset, SeekOrigin.Begin ); // SetFilePointer(pFile.fs.Name, lowerBits, upperBits, FILE_BEGIN);
 #endif
       }
-      catch ( Exception e )
+      catch ( Exception )
       {
 #if SQLITE_SILVERLIGHT || SQLITE_WINRT
           pFile.lastErrno = 1;
@@ -1048,7 +1048,7 @@ sqlite3_int64 offset      /* Offset into the file to begin writing at */
 #endif
         rc = 1;// Success
       }
-      catch ( IOException e )
+      catch ( IOException )
       {
         return SQLITE_READONLY;
       }
@@ -1125,7 +1125,7 @@ static int winTruncate( sqlite3_file id, sqlite3_int64 nByte )
 #endif
         rc = SQLITE_OK;
       }
-      catch ( IOException e )
+      catch ( IOException )
       {
 #if SQLITE_SILVERLIGHT || SQLITE_WINRT
           id.lastErrno  = 1;
@@ -1298,7 +1298,7 @@ static int unlockReadLock( sqlite3_file pFile )
         {
           lockingStrategy.UnlockFile( pFile, SHARED_FIRST, SHARED_SIZE ); //     res = UnlockFile(pFile.h, SHARED_FIRST, 0, SHARED_SIZE, 0);
         }
-        catch ( Exception e )
+        catch ( Exception )
         {
           res = 0;
         }
@@ -1397,7 +1397,7 @@ static int winLock( sqlite3_file id, int locktype )
             lockingStrategy.LockFile( pFile, PENDING_BYTE, 1 );
             res = 1;
           }
-          catch ( Exception e )
+          catch ( Exception )
           {
             /* Try 3 times to get the pending lock.  The pending lock might be
             ** held by another reader process who will release it momentarily.
@@ -1455,7 +1455,7 @@ static int winLock( sqlite3_file id, int locktype )
           newLocktype = RESERVED_LOCK;
           res = 1;
         }
-        catch ( Exception e )
+        catch ( Exception )
         {
           res = 0;
 #if SQLITE_SILVERLIGHT || SQLITE_WINRT
@@ -1585,7 +1585,7 @@ static int winCheckReservedLock( sqlite3_file id, ref int pResOut )
           lockingStrategy.UnlockFile( pFile, RESERVED_BYTE, 1 );
           rc = 1;
         }
-        catch ( IOException e )
+        catch ( IOException )
         {
           rc = 0;
         }
@@ -1638,7 +1638,7 @@ static int winUnlock( sqlite3_file id, int locktype )
         {
           lockingStrategy.UnlockFile( pFile, RESERVED_BYTE, 1 );// UnlockFile(pFile.h, RESERVED_BYTE, 0, 1, 0);
         }
-        catch ( Exception e )
+        catch ( Exception )
         {
         }
       }
@@ -1652,7 +1652,7 @@ static int winUnlock( sqlite3_file id, int locktype )
         {
           lockingStrategy.UnlockFile( pFile, PENDING_BYTE, 1 );//    UnlockFile(pFile.h, PENDING_BYTE, 0, 1, 0);
         }
-        catch ( Exception e )
+        catch ( Exception )
         {
         }
       }
@@ -2952,7 +2952,7 @@ int syncDir               /* Not used on win32 */
 #endif
             rc = SQLITE_OK;
           }
-          catch ( IOException e )
+          catch ( IOException )
           {
             rc = SQLITE_IOERR;
 #if SQLITE_WINRT
@@ -2988,7 +2988,7 @@ int syncDir               /* Not used on win32 */
             File.Delete( zConverted );
             rc = SQLITE_OK;
           }
-          catch ( IOException e )
+          catch ( IOException )
           {
             rc = SQLITE_IOERR;
             Thread.Sleep( 100 );
@@ -3102,7 +3102,7 @@ static int winAccess(
             File.Delete( name );
             attr = FileAttributes.Normal;
           }
-          catch ( IOException e )
+          catch ( IOException )
           {
             attr = FileAttributes.ReadOnly;
           }
@@ -3120,7 +3120,7 @@ static int winAccess(
 #endif
 #endif
       //}
-      catch ( IOException e )
+      catch ( IOException )
       {
         winLogError(SQLITE_IOERR_ACCESS, "winAccess", zFilename);
       }
@@ -3785,7 +3785,7 @@ public static bool FileExists(string path)
             Task<StorageFile> fileTask = StorageFile.GetFileFromPathAsync(path).AsTask<StorageFile>();
             fileTask.Wait();
         }
-        catch (Exception e)
+        catch (Exception)
         {
             AggregateException ae = e as AggregateException;
             if (ae != null && ae.InnerException is FileNotFoundException)

CsvQuery/CsharpSqlite/pager_c.cs

@@ -4872,7 +4872,7 @@ static int sqlite3PagerOpen(
     dxReiniter xReinit       /* Function to reinitialize pages */
     )
     {
-      u8 pPtr;
+      //u8 pPtr;
       Pager pPager = null;     /* Pager object to allocate and return */
       int rc = SQLITE_OK;      /* Return code */
       u8 tempFile = 0;         /* True for temp files (incl. in-memory files) */ // Needs to be u8 for later tests
@@ -4886,7 +4886,7 @@ dxReiniter xReinit       /* Function to reinitialize pages */
       int pcacheSize = sqlite3PcacheSize();       /* Bytes to allocate for PCache */
       u32 szPageDflt = SQLITE_DEFAULT_PAGE_SIZE;  /* Default page size */
       string zUri = null;     /* URI args to copy */
-      int nUri = 0;           /* Number of bytes of URI args at *zUri */
+      //int nUri = 0;           /* Number of bytes of URI args at *zUri */
 
       /* Figure out how much space is required for each journal file-handle
       ** (there are two of them, the main journal and the sub-journal). This

CsvQuery/CsharpSqlite/pcache1_c.cs

@@ -706,7 +706,7 @@ static sqlite3_pcache pcache1Create( int szPage, bool bPurgeable )
     {
       PCache1 pCache;      /* The newly created page cache */
       PGroup pGroup;       /* The group the new page cache will belong to */
-      int sz;               /* Bytes of memory required to allocate the new cache */
+      //int sz;               /* Bytes of memory required to allocate the new cache */
 
       /*
       ** The seperateCache variable is true if each PCache has its own private

CsvQuery/CsharpSqlite/pragma_c.cs

@@ -1553,7 +1553,7 @@ static void sqlite3Pragma(
 */
                                                       if ( zLeft.Equals( "encoding", StringComparison.OrdinalIgnoreCase )  )
                                                       {                                                        
-                                                        int iEnc;
+                                                        //int iEnc;
                                                         if ( null == zRight )
                                                         {    /* "PRAGMA encoding" */
                                                           if ( sqlite3ReadSchema( pParse ) != 0 )

CsvQuery/CsharpSqlite/vdbeaux_c.cs

@@ -1121,7 +1121,7 @@ static void sqlite3VdbeChangeP4( Vdbe p, int addr, union_p4 _p4, int n )
       else if ( n == P4_KEYINFO )
       {
         KeyInfo pKeyInfo;
-        int nByte;
+        //int nByte;
 
         //int nField = _p4.pKeyInfo.nField;
         //nByte = sizeof(*pKeyInfo) + (nField-1)*sizeof(pKeyInfo.aColl[0]) + nField;
@@ -3191,7 +3191,7 @@ static void sqlite3VdbeDeleteAuxData( VdbeFunc pVdbeFunc, int mask )
     static void sqlite3VdbeDeleteObject( sqlite3 db, ref Vdbe p )
     {
       SubProgram pSub, pNext;
-      int i;
+      //int i;
       Debug.Assert( p.db == null || p.db == db );
       releaseMemArray( p.aVar, p.nVar );
       releaseMemArray( p.aColName, p.nResColumn, COLNAME_N );