Fix harmless compiler warnings.

FossilOrigin-Name: a7e5fcd66659750eb2f4675082df324e7cf35427

manifest

@@ -1,5 +1,5 @@
-C Fix\sharmless\scompiler\swarning.
+C Fix\sharmless\scompiler\swarnings.
-D 2013-12-11T02:21:19.102
+D 2013-12-11T11:00:44.250
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -178,7 +178,7 @@ F src/delete.c b36db1f79ee50eaca979660c9dd36437f5410b93
 F src/expr.c 31a2b65339f6c3795d4cfa5e99798cd72f9fdfdf
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c 2ab0f5384b70594468ef3ac5c7ed8ca24bfd17d5
-F src/func.c ef30d26ae4d79bbc7300c74e77fd117a0ba30235
+F src/func.c fed87f35cf4da4a798b726d84abefc209b48d831
 F src/global.c 1d7bb7ea8254ae6a68ed9bfaf65fcb3d1690b486
 F src/hash.c ac3470bbf1ca4ae4e306a8ecb0fdf1731810ffe4
 F src/hash.h 8890a25af81fb85a9ad7790d32eedab4b994da22
@@ -207,7 +207,7 @@ F src/os.h 4a46270a64e9193af4a0aaa3bc2c66dc07c29b3f
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_unix.c 60a7b3b23e6fcf83a50d1e320b280b551724e11f
 F src/os_win.c 16eac0961603182ffc10c02b39fe830126538e07
-F src/pager.c 19203eff37c099271189bf8b378a1143847b92e3
+F src/pager.c 9bca84722e29d141089881937743daf8b5f74a2b
 F src/pager.h f094af9f6ececfaa8a1e93876905a4f34233fb0c
 F src/parse.y acee1a9958539e21263362b194594c5255ad2fca
 F src/pcache.c f8043b433a57aba85384a531e3937a804432a346
@@ -215,7 +215,7 @@ F src/pcache.h a5e4f5d9f5d592051d91212c5949517971ae6222
 F src/pcache1.c a467393909a4ed7ca9de066d85ba5c5b04a5be63
 F src/pragma.c 5ab7279d132143feb77f773688a24ab05da75fd7
 F src/prepare.c 359d1a1e9c9bd4488e4dd3a1aaaf2d2ebb9bb768
-F src/printf.c e2f78b695b8053c23394e9ff79e3364e7308c5e4
+F src/printf.c b2778aa160ef792ba51c9f11b743bfc015b66679
 F src/random.c 0b2dbc37fdfbfa6bd455b091dfcef5bdb32dba68
 F src/resolve.c 7eda9097b29fcf3d2b42fdc17d1de672134e09b6
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
@@ -280,15 +280,15 @@ F src/update.c d1c2477dcf14d90999d1935af4efb4806553250b
 F src/utf.c 6fc6c88d50448c469c5c196acf21617a24f90269
 F src/util.c 76ed0519296e3f62e97e57dab1999e34184c8e49
 F src/vacuum.c 3728d74919d4fb1356f9e9a13e27773db60b7179
-F src/vdbe.c bdc4a981fb14843e09e0a369b6b5b40b54c92489
+F src/vdbe.c 919422843c859a1db08db0c88189912dbf625fc7
 F src/vdbe.h c06f0813f853566457ce9cfb1a4a4bc39a5da644
-F src/vdbeInt.h e103e9223787cb11e0de48cefb1cdb9fef18e2e8
+F src/vdbeInt.h a7bc268f844d75be48bb7ae16f77b418fd3c641c
 F src/vdbeapi.c 93a22a9ba2abe292d5c2cf304d7eb2e894dde0ed
-F src/vdbeaux.c a66fde9e0ecf1d8b7fe60162d28bb6b95f2f6c30
+F src/vdbeaux.c 74f3ad068f91d60ff56179a22610e7b0ef71e5d6
 F src/vdbeblob.c 8cd05a5630e6d5563ad017bf82edaf812b28acde
-F src/vdbemem.c dedc9ee05a9d5f7c4913ee623db8d41bdb24363f
+F src/vdbemem.c ac71e169dc056936f7a26ccaa808cd17456ffab1
 F src/vdbesort.c 9d83601f9d6243fe70dd0169a2820c5ddfd48147
-F src/vdbetrace.c e7ec40e1999ff3c6414424365d5941178966dcbc
+F src/vdbetrace.c 92c3d4f7a98ff59d44bf8351356ef82072f40517
 F src/vtab.c 21b932841e51ebd7d075e2d0ad1415dce8d2d5fd
 F src/wal.c 7dc3966ef98b74422267e7e6e46e07ff6c6eb1b4
 F src/wal.h df01efe09c5cb8c8e391ff1715cca294f89668a4
@@ -1146,7 +1146,7 @@ F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P 4d0781473a465b4ab0a307914014f3d2ddd0ce33
+P 2525296d919245ebb01077aad541e4ae6eab7940
-R 10ffd50a76f97bbe2373fb173610ea36
+R 24f899fa4dbed59efbcdd4778a6b73ec
-U mistachkin
+U drh
-Z 53d10f2a6e8878035ff79985bd9a3564
+Z 35945f2f4af25cff5df7e46d8c3b59e8

manifest.uuid

@@ -1 +1 @@
-2525296d919245ebb01077aad541e4ae6eab7940
+a7e5fcd66659750eb2f4675082df324e7cf35427

src/func.c

@@ -1511,11 +1511,11 @@ static void groupConcatStep(
         zSep = ",";
         nSep = 1;
       }
-      sqlite3StrAccumAppend(pAccum, zSep, nSep);
+      if( nSep ) sqlite3StrAccumAppend(pAccum, zSep, nSep);
     }
     zVal = (char*)sqlite3_value_text(argv[0]);
     nVal = sqlite3_value_bytes(argv[0]);
-    sqlite3StrAccumAppend(pAccum, zVal, nVal);
+    if( nVal ) sqlite3StrAccumAppend(pAccum, zVal, nVal);
   }
 }
 static void groupConcatFinalize(sqlite3_context *context){

src/pager.c

@@ -5779,7 +5779,7 @@ int sqlite3PagerWrite(DbPage *pDbPage){
   assert( pPager->eState!=PAGER_ERROR );
   assert( assert_pager_state(pPager) );
 
-  if( pPager->sectorSize > pPager->pageSize ){
+  if( pPager->sectorSize > (u32)pPager->pageSize ){
     Pgno nPageCount;          /* Total number of pages in database file */
     Pgno pg1;                 /* First page of the sector pPg is located on. */
     int nPage = 0;            /* Number of pages starting at pg1 to journal */

src/printf.c

@@ -637,7 +637,7 @@ void sqlite3VXPrintf(
       }
       case etTOKEN: {
         Token *pToken = va_arg(ap, Token*);
-        if( pToken ){
+        if( pToken && pToken->n ){
           sqlite3StrAccumAppend(pAccum, (const char*)pToken->z, pToken->n);
         }
         length = width = 0;
@@ -691,7 +691,7 @@ void sqlite3VXPrintf(
 ** Append N bytes of text from z to the StrAccum object.
 */
 void sqlite3StrAccumAppend(StrAccum *p, const char *z, int N){
-  assert( z!=0 || N==0 );
+  assert( z!=0 );
   assert( p->zText!=0 || p->nChar==0 || p->accError );
   assert( N>=0 );
   assert( p->accError==0 || p->nAlloc==0 );

src/vdbe.c

@@ -2662,7 +2662,7 @@ case OP_MakeRecord: {
   do{
     serial_type = sqlite3VdbeSerialType(pRec, file_format);
     i += putVarint32(&zNewRecord[i], serial_type);            /* serial type */
-    j += sqlite3VdbeSerialPut(&zNewRecord[j], pRec, serial_type, file_format);
+    j += sqlite3VdbeSerialPut(&zNewRecord[j], pRec, serial_type); /* content */
   }while( (++pRec)<=pLast );
   assert( i==nHdr );
   assert( j==nByte );
@@ -3715,7 +3715,6 @@ case OP_Found: {        /* jump, in3 */
   if( pOp->opcode!=OP_NoConflict ) sqlite3_found_count++;
 #endif
 
-  alreadyExists = 0;
   assert( pOp->p1>=0 && pOp->p1<p->nCursor );
   assert( pOp->p4type==P4_INT32 );
   pC = p->apCsr[pOp->p1];
@@ -3723,6 +3722,7 @@ case OP_Found: {        /* jump, in3 */
   pIn3 = &aMem[pOp->p3];
   assert( pC->pCursor!=0 );
   assert( pC->isTable==0 );
+  pFree = 0;  /* Not needed.  Only used to suppress a compiler warning. */
   if( pOp->p4.i>0 ){
     r.pKeyInfo = pC->pKeyInfo;
     r.nField = (u16)pOp->p4.i;
@@ -5353,7 +5353,6 @@ case OP_FkIfZero: {         /* jump */
 ** an integer.
 */
 case OP_MemMax: {        /* in2 */
-  Mem *pIn1;
   VdbeFrame *pFrame;
   if( p->pFrame ){
     for(pFrame=p->pFrame; pFrame->pParent; pFrame=pFrame->pParent);

src/vdbeInt.h

@@ -389,7 +389,7 @@ void sqlite3VdbePrintOp(FILE*, int, Op*);
 #endif
 u32 sqlite3VdbeSerialTypeLen(u32);
 u32 sqlite3VdbeSerialType(Mem*, int);
-u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32, int);
+u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
 u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
 void sqlite3VdbeDeleteAuxData(Vdbe*, int, int);
 

src/vdbeaux.c

@@ -2835,7 +2835,7 @@ static u64 floatSwap(u64 in){
 ** of bytes in the zero-filled tail is included in the return value only
 ** if those bytes were zeroed in buf[].
 */ 
-u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type, int file_format){
+u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type){
   u32 len;
 
   /* Integer and Real */

src/vdbemem.c

@@ -1219,7 +1219,7 @@ static void recordFunc(
   }else{
     aRet[0] = nSerial+1;
     sqlite3PutVarint(&aRet[1], iSerial);
-    sqlite3VdbeSerialPut(&aRet[1+nSerial], argv[0], iSerial, file_format);
+    sqlite3VdbeSerialPut(&aRet[1+nSerial], argv[0], iSerial);
     sqlite3_result_blob(context, aRet, nRet, SQLITE_TRANSIENT);
     sqlite3DbFree(db, aRet);
   }

src/vdbetrace.c

@@ -90,9 +90,11 @@ char *sqlite3VdbeExpandSql(
   if( db->nVdbeExec>1 ){
     while( *zRawSql ){
       const char *zStart = zRawSql;
+      int n;
       while( *(zRawSql++)!='\n' && *zRawSql );
       sqlite3StrAccumAppend(&out, "-- ", 3);
-      sqlite3StrAccumAppend(&out, zStart, (int)(zRawSql-zStart));
+      n = (int)(zRawSql - zStart);
+      if( n ) sqlite3StrAccumAppend(&out, zStart, n);
     }
   }else{
     while( zRawSql[0] ){