Changes to prevent various compiler warnings. (CVS 2750)

FossilOrigin-Name: e261b8b09a529a3e67dc27c3b83b660bcb32e195

manifest

@@ -1,5 +1,5 @@
-C Attempt\sto\sfix\sthe\sSQLite\score\sso\sthat\sno\sfloating\spoint\soperations\sare\sused\nanywhere\sif\sSQLITE_OMIT_FLOATING_POINT\sis\sdefined\sat\scompile-time.\s\sThis\nis\suseful\sto\speople\swho\suse\sSQLite\son\sembedded\sprocessors\sthat\slack\nfloating\spoint\ssupport.\s(CVS\s2749)
+C Changes\sto\sprevent\svarious\scompiler\swarnings.\s(CVS\s2750)
-D 2005-10-13T02:09:50
+D 2005-10-20T07:28:18
 F Makefile.in 12784cdce5ffc8dfb707300c34e4f1eb3b8a14f1
 F Makefile.linux-gcc aee18d8a05546dcf1888bd4547e442008a49a092
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -29,14 +29,14 @@ F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
 F sqlite3.1 6be1ad09113570e1fc8dcaff84c9b0b337db5ffc
 F sqlite3.def c413e514217736884254739a105c8c942fdf0c2f
 F sqlite3.pc.in 985b9bf34192a549d7d370e0f0b6b34a4f61369a
-F src/alter.c 26d755f2143719dd3f5b8aaf6cbe3c7f95332528
+F src/alter.c 149e871e1ad6648da9b72e69feb1bd1407bf5226
 F src/analyze.c 21a4cd125bedd3cb15857595c45c2a49c0556d26
 F src/attach.c 4b21689700a72ae281fa85dbaff06b2a62bd49ee
 F src/auth.c 31e2304bef67f44d635655f44234387ea7d21454
-F src/btree.c 236126155d5607da945d33514218cbec762d887e
+F src/btree.c 1ccc3b3931774a68ee0d6a8e2c8ea83f27b853fb
 F src/btree.h 1ed561263ca0e335bc3e81d761c9d5ff8c22f61e
 F src/build.c aa9591839c00731370c1ba53a9c0045f70d764c4
-F src/callback.c 9a1162c8f9dae9fad6d548339669aacb5f6cf76b
+F src/callback.c 90ab4f235a2603c4cb8e6a2497091a71fb732bfa
 F src/complete.c 4de937dfdd4c79a501772ab2035b26082f337a79
 F src/date.c 7444b0900a28da77e57e3337a636873cff0ae940
 F src/delete.c 29dac493f4d83b05f91233b116827c133bcdab72
@@ -47,13 +47,13 @@ F src/hash.c 8747cf51d12de46512880dfcf1b68b4e24072863
 F src/hash.h 1b0c445e1c89ff2aaad9b4605ba61375af001e84
 F src/insert.c 1f51566d7cf4b243a2792f5fda37343d6e9377fa
 F src/legacy.c d58ea507bce885298a2c8c3cbb0f4bff5d47830b
-F src/main.c 422014201f22aa17b96c76650163178a91a825af
+F src/main.c 97bb830cdbd378d1f87469618471f52d9d263d09
 F src/md5.c 7ae1c39044b95de2f62e066f47bb1deb880a1070
 F src/os.h c51f2747f7bd1840447e2c7d26db749604626814
 F src/os_common.h 1ff88c7e7e6bd3e5f85443106c91cc26a4f8600b
 F src/os_test.c 49833426101f99aee4bb5f6a44b7c4b2029fda1c
 F src/os_test.h 903c93554c23d88f34f667f1979e4a1cee792af3
-F src/os_unix.c 23d6c04d08dbf712447e490c1451e3acd2d4ea2a
+F src/os_unix.c 2af2d2cea9cc6282c02b48aacf2995193440cf00
 F src/os_unix.h 5768d56d28240d3fe4537fac08cc85e4fb52279e
 F src/os_win.c fbccc85e7011174068c27d54256746321a1f0059
 F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
@@ -66,7 +66,7 @@ F src/printf.c 3ea3a17d25d7ac498efc18007c70371a42c968f8
 F src/random.c 90adff4e73a3b249eb4f1fc2a6ff9cf78c7233a4
 F src/select.c 80c95f3cebd6f7096cdcad1968316e4bb96b18b2
 F src/shell.c 3596c1e559b82663057940d19ba533ad421c7dd3
-F src/sqlite.h.in a9c3e9797c6f2657f2096630af6240a602ff8622
+F src/sqlite.h.in 8e648e1f386e4509f2f96c09ded7c07b0df0c9a2
 F src/sqliteInt.h 403552a7770a5c5a376af9bdc956f0c78e524b9c
 F src/table.c e03b60eaabaeb54a00d7e931566d77302dfc19b0
 F src/tclsqlite.c 4f274fae3d4a1863451a553dd8e5015747a5d91d
@@ -79,9 +79,9 @@ F src/tokenize.c e1faf5637f3f4f90933785a0ecf64595f3ac3530
 F src/trigger.c f51dec15921629591cb98bf2e350018e268b109a
 F src/update.c ac506fb7400158f826ec6c3a0dbe65e7ed3928d5
 F src/utf.c bda5eb85039ef16f2d17004c1e18c96e1ab0a80c
-F src/util.c e10e28d410aa49ea9c318cf7f285ab8c8a567154
+F src/util.c 48fecbbef4391d102a23096d32f0d74173428406
 F src/vacuum.c 829d9e1a6d7c094b80e0899686670932eafd768c
-F src/vdbe.c c9aca7cc6dc381c4ce5a59c97ac148ed0659fb3c
+F src/vdbe.c 2a660920b059d66571d5965e9c9114faca1831af
 F src/vdbe.h 8729a4ee16ff9aeab2af9667df3cf300ff978e13
 F src/vdbeInt.h 7bedbb9553a10e86b53f75d99e197f3f00a732bf
 F src/vdbeapi.c 85bbe1d0243a89655433d60711b4bd71979b59cd
@@ -315,7 +315,7 @@ F www/tclsqlite.tcl ddcf912ea48695603c8ed7efb29f0812ef8d1b49
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl a99cf5f6d8bd4d5537584a2b342f0fb9fa601d8b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 9753af53494a14f7300f92f3d94e4ceb55619529
+P a0bdb584680ce6400d9e8c57db9d91197cc7b776
-R a6df4c45cb7278a0ea91b4f127858f77
+R 40487867c272173d14c55dbe54659f26
 U drh
-Z 0352737aa28a9b0c5a1c2ec1286f6536
+Z 62b590d490d04c1d0b2fecf0198039da

manifest.uuid

@@ -1 +1 @@
-a0bdb584680ce6400d9e8c57db9d91197cc7b776
+e261b8b09a529a3e67dc27c3b83b660bcb32e195

src/alter.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that used to generate VDBE code
 ** that implements the ALTER TABLE command.
 **
-** $Id: alter.c,v 1.8 2005/08/19 19:14:13 drh Exp $
+** $Id: alter.c,v 1.9 2005/10/20 07:28:18 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -233,7 +233,7 @@ static void reloadTableSchema(Parse *pParse, Table *pTab, const char *zName){
   /* Now, if the table is not stored in the temp database, reload any temp 
   ** triggers. Don't use IN(...) in case SQLITE_OMIT_SUBQUERY is defined. 
   */
-  if( (zWhere=whereTempTriggers(pParse, pTab)) ){
+  if( (zWhere=whereTempTriggers(pParse, pTab))!=0 ){
     sqlite3VdbeOp3(v, OP_ParseSchema, 1, 0, zWhere, P3_DYNAMIC);
   }
 #endif
@@ -349,7 +349,7 @@ void sqlite3AlterRenameTable(
   ** table. Don't do this if the table being ALTERed is itself located in
   ** the temp database.
   */
-  if( (zWhere=whereTempTriggers(pParse, pTab)) ){
+  if( (zWhere=whereTempTriggers(pParse, pTab))!=0 ){
     sqlite3NestedParse(pParse, 
         "UPDATE sqlite_temp_master SET "
             "sql = sqlite_rename_trigger(sql, %Q), "
@@ -462,7 +462,7 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
   ** format to 2. If the default value of the new column is not NULL,
   ** the file format becomes 3.
   */
-  if( (v=sqlite3GetVdbe(pParse)) ){
+  if( (v=sqlite3GetVdbe(pParse))!=0 ){
     int f = (pDflt?3:2);
 
     /* Only set the file format to $f if it is currently less than $f. */

src/btree.c

@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btree.c,v 1.269 2005/09/17 15:20:27 drh Exp $
+** $Id: btree.c,v 1.270 2005/10/20 07:28:18 drh Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** For a detailed discussion of BTrees, refer to
@@ -3796,7 +3796,6 @@ static int balance_nonroot(MemPage *pPage){
   MemPage *apCopy[NB];         /* Private copies of apOld[] pages */
   MemPage *apNew[NB+2];        /* pPage and up to NB siblings after balancing */
   Pgno pgnoNew[NB+2];          /* Page numbers for each page in apNew[] */
-  int idxDiv[NB];              /* Indices of divider cells in pParent */
   u8 *apDiv[NB];               /* Divider cells in pParent */
   int cntNew[NB+2];            /* Index in aCell[] of cell after i-th page */
   int szNew[NB+2];             /* Combined size of cells place on i-th page */
@@ -3888,7 +3887,6 @@ static int balance_nonroot(MemPage *pPage){
   nDiv = 0;
   for(i=0, k=nxDiv; i<NB; i++, k++){
     if( k<pParent->nCell ){
-      idxDiv[i] = k;
       apDiv[i] = findCell(pParent, k);
       nDiv++;
       assert( !pParent->leaf );
@@ -5474,7 +5472,6 @@ static int checkTreePage(
   int hdr, cellStart;
   int nCell;
   u8 *data;
-  BtCursor cur;
   Btree *pBt;
   int usableSize;
   char zContext[100];
@@ -5484,7 +5481,7 @@ static int checkTreePage(
 
   /* Check that the page exists
   */
-  cur.pBt = pBt = pCheck->pBt;
+  pBt = pCheck->pBt;
   usableSize = pBt->usableSize;
   if( iPage==0 ) return 0;
   if( checkRef(pCheck, iPage, zParentContext) ) return 0;
@@ -5502,7 +5499,6 @@ static int checkTreePage(
   /* Check out all the cells.
   */
   depth = 0;
-  cur.pPage = pPage;
   for(i=0; i<pPage->nCell; i++){
     u8 *pCell;
     int sz;

src/callback.c

@@ -13,7 +13,7 @@
 ** This file contains functions used to access the internal hash tables
 ** of user defined functions and collation sequences.
 **
-** $Id: callback.c,v 1.3 2005/08/14 01:20:38 drh Exp $
+** $Id: callback.c,v 1.4 2005/10/20 07:28:18 drh Exp $
 */
 
 #include "sqliteInt.h"
@@ -286,7 +286,7 @@ FuncDef *sqlite3FindFunction(
   ** new entry to the hash table and return it.
   */
   if( createFlag && bestmatch<6 && 
-      (pBest = sqliteMalloc(sizeof(*pBest)+nName)) ){
+      (pBest = sqliteMalloc(sizeof(*pBest)+nName))!=0 ){
     pBest->nArg = nArg;
     pBest->pNext = pFirst;
     pBest->iPrefEnc = enc;

src/main.c

@@ -14,7 +14,7 @@
 ** other files are for internal use by SQLite and should not be
 ** accessed by users of the library.
 **
-** $Id: main.c,v 1.302 2005/09/17 15:20:27 drh Exp $
+** $Id: main.c,v 1.303 2005/10/20 07:28:18 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -741,7 +741,7 @@ static int openDatabase(
   */
   if( sqlite3_create_collation(db, "BINARY", SQLITE_UTF8, 0,binCollFunc) ||
       sqlite3_create_collation(db, "BINARY", SQLITE_UTF16, 0,binCollFunc) ||
-      !(db->pDfltColl = sqlite3FindCollSeq(db, db->enc, "BINARY", 6, 0)) ){
+      (db->pDfltColl = sqlite3FindCollSeq(db, db->enc, "BINARY", 6, 0))==0 ){
     rc = db->errCode;
     assert( rc!=SQLITE_OK );
     db->magic = SQLITE_MAGIC_CLOSED;
@@ -1020,7 +1020,7 @@ int sqlite3_global_recover(){
       sqlite3ExpirePreparedStatements(db);
       for(i=0; i<db->nDb; i++){
         Btree *pBt = db->aDb[i].pBt;
-        if( pBt && (rc=sqlite3BtreeReset(pBt)) ){
+        if( pBt && (rc=sqlite3BtreeReset(pBt))!=0 ){
           goto recover_out;
         }
       } 

src/os_unix.c

@@ -202,7 +202,7 @@ struct lockKey {
   dev_t dev;       /* Device number */
   ino_t ino;       /* Inode number */
 #ifdef SQLITE_UNIX_THREADS
-  pthread_t tid;   /* Thread ID or zero if threads cannot override each other */
+  pthread_t tid;   /* Thread ID or zero if threads can override each other */
 #endif
 };
 

src/sqlite.h.in

@@ -12,7 +12,7 @@
 ** This header file defines the interface that the SQLite library
 ** presents to client programs.
 **
-** @(#) $Id: sqlite.h.in,v 1.142 2005/10/13 02:09:50 drh Exp $
+** @(#) $Id: sqlite.h.in,v 1.143 2005/10/20 07:28:19 drh Exp $
 */
 #ifndef _SQLITE3_H_
 #define _SQLITE3_H_
@@ -1258,7 +1258,7 @@ extern char *sqlite3_temp_directory;
 ** This functionality can be omitted from a build by defining the 
 ** SQLITE_OMIT_GLOBALRECOVER at compile time.
 */
-int sqlite3_global_recover();
+int sqlite3_global_recover(void);
 
 /*
 ** Test to see whether or not the database connection is in autocommit

src/util.c

@@ -14,7 +14,7 @@
 ** This file contains functions for allocating memory, comparing
 ** strings, and stuff like that.
 **
-** $Id: util.c,v 1.147 2005/10/13 02:09:50 drh Exp $
+** $Id: util.c,v 1.148 2005/10/20 07:28:19 drh Exp $
 */
 #include "sqliteInt.h"
 #include <stdarg.h>
@@ -440,7 +440,7 @@ void sqlite3SetString(char **pz, ...){
 ** to NULL.
 */
 void sqlite3Error(sqlite3 *db, int err_code, const char *zFormat, ...){
-  if( db && (db->pErr || (db->pErr = sqlite3ValueNew())) ){
+  if( db && (db->pErr || (db->pErr = sqlite3ValueNew()))!=0 ){
     db->errCode = err_code;
     if( zFormat ){
       char *z;

src/vdbe.c

@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.492 2005/10/06 16:53:16 drh Exp $
+** $Id: vdbe.c,v 1.493 2005/10/20 07:28:19 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -2248,7 +2248,7 @@ case OP_MakeRecord: {
 case OP_Statement: {       /* no-push */
   int i = pOp->p1;
   Btree *pBt;
-  if( i>=0 && i<db->nDb && (pBt = db->aDb[i].pBt) && !(db->autoCommit) ){
+  if( i>=0 && i<db->nDb && (pBt = db->aDb[i].pBt)!=0 && !(db->autoCommit) ){
     assert( sqlite3BtreeIsInTrans(pBt) );
     if( !sqlite3BtreeIsInStmt(pBt) ){
       rc = sqlite3BtreeBeginStmt(pBt);