Suppress some -Wextra compiler warnings from GCC. (CVS 6774)

FossilOrigin-Name: 59ec937ce226bbf6c48c5e0466d3bab48873c9ea

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\sbug\saffecting\ssecure-delete\smode\sintroduced\sby\s(6768).\s(CVS\s6773)
-D 2009-06-17T11:49:53
+C Suppress\ssome\s-Wextra\scompiler\swarnings\sfrom\sGCC.\s(CVS\s6774)
+D 2009-06-17T13:09:39
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 8b8fb7823264331210cddf103831816c286ba446
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -106,9 +106,9 @@ F src/auth.c 98db07c2088455797678eb1031f42d4d94d18a71
 F src/backup.c ff50af53184a5fd7bdee4d620b5dabef74717c79
 F src/bitvec.c 0ef0651714728055d43de7a4cdd95e703fac0119
 F src/btmutex.c 9b899c0d8df3bd68f527b0afe03088321b696d3c
-F src/btree.c 9225e0726c5837425dab4f5888ea427f8fa69854
+F src/btree.c 5d4e1fdae7c765b6a04b086545357bc93d7d6a63
 F src/btree.h f70b694e8c163227369a66863b01fbff9009f323
-F src/btreeInt.h df64030d632f8c8ac217ed52e8b6b3eacacb33a5
+F src/btreeInt.h 122021a7d70633b389c447d9a05f9242f410809d
 F src/build.c 75b57e3f4de1b34d4e1e49d350dc87febff48ba0
 F src/callback.c cb68b21b0d4ae7d11ae0e487933bce3323784dcf
 F src/complete.c 5ad5c6cd4548211867c204c41a126d73a9fbcea0
@@ -144,7 +144,7 @@ F src/os.c c2aa4a7d8bb845222e5c37f56cde377b20c3b087
 F src/os.h fa3f4aa0119ff721a2da4b47ffd74406ac864c05
 F src/os_common.h 8c61457df58f1a4bd5f5adc3e90e01b37bf7afbc
 F src/os_os2.c bed77dc26e3a95ce4a204936b9a1ca6fe612fcc5
-F src/os_unix.c f00dbdc09d67b7e45f2aa0b1ff7111e36db4651e
+F src/os_unix.c b64129c296e480c2827606e206ea51bb30904626
 F src/os_win.c 725c38a524d168ce280446ad8761d731bc516405
 F src/pager.c efdd56a49622fe87d5cf4b6e69aeb62b45bcb9b0
 F src/pager.h 73f481a308a873ccd626d97331c081db3b53e2e5
@@ -735,7 +735,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746
-P 368e44ec2e648b04f3b817f82586ccd864e60c89
-R 444656ca6a3315a23012c708051029b1
-U danielk1977
-Z d87ec3d960f446a07cb36cccdf89b502
+P a433ca821c134caeac0fa16416eb95c647416b95
+R 78208bbf9f02e17d66a45d7dc43ed13f
+U drh
+Z d64390aa8acff4ee038b1b110ea1e1e2

manifest.uuid

@@ -1 +1 @@
-a433ca821c134caeac0fa16416eb95c647416b95
+59ec937ce226bbf6c48c5e0466d3bab48873c9ea

src/btree.c

@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btree.c,v 1.632 2009/06/17 11:49:53 danielk1977 Exp $
+** $Id: btree.c,v 1.633 2009/06/17 13:09:39 drh Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** See the header comment on "btreeInt.h" for additional information.
@@ -3196,6 +3196,7 @@ int sqlite3BtreeCloseCursor(BtCursor *pCur){
   return SQLITE_OK;
 }
 
+#ifdef SQLITE_TEST
 /*
 ** Make a temporary cursor by filling in the fields of pTempCur.
 ** The temporary cursor is not on the cursor list for the Btree.
@@ -3211,7 +3212,9 @@ void sqlite3BtreeGetTempCursor(BtCursor *pCur, BtCursor *pTempCur){
   }
   assert( pTempCur->pKey==0 );
 }
+#endif /* SQLITE_TEST */
 
+#ifdef SQLITE_TEST
 /*
 ** Delete a temporary cursor such as was made by the CreateTemporaryCursor()
 ** function above.
@@ -3224,8 +3227,7 @@ void sqlite3BtreeReleaseTempCursor(BtCursor *pCur){
   }
   sqlite3_free(pCur->pKey);
 }
-
-
+#endif /* SQLITE_TEST */
 
 /*
 ** Make sure the BtCursor* given in the argument has a valid

src/btreeInt.h

@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btreeInt.h,v 1.46 2009/03/20 14:18:52 danielk1977 Exp $
+** $Id: btreeInt.h,v 1.47 2009/06/17 13:09:39 drh Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** For a detailed discussion of BTrees, refer to
@@ -636,6 +636,9 @@ int sqlite3BtreeInitPage(MemPage *pPage);
 void sqlite3BtreeParseCellPtr(MemPage*, u8*, CellInfo*);
 void sqlite3BtreeParseCell(MemPage*, int, CellInfo*);
 int sqlite3BtreeRestoreCursorPosition(BtCursor *pCur);
+void sqlite3BtreeMoveToParent(BtCursor *pCur);
+
+#ifdef SQLITE_TEST
 void sqlite3BtreeGetTempCursor(BtCursor *pCur, BtCursor *pTempCur);
 void sqlite3BtreeReleaseTempCursor(BtCursor *pCur);
-void sqlite3BtreeMoveToParent(BtCursor *pCur);
+#endif

src/os_unix.c

@@ -43,7 +43,7 @@
 **   *  Definitions of sqlite3_vfs objects for all locking methods
 **      plus implementations of sqlite3_os_init() and sqlite3_os_end().
 **
-** $Id: os_unix.c,v 1.252 2009/06/15 20:45:35 drh Exp $
+** $Id: os_unix.c,v 1.253 2009/06/17 13:09:39 drh Exp $
 */
 #include "sqliteInt.h"
 #if SQLITE_OS_UNIX              /* This file is used on unix only */
@@ -911,7 +911,7 @@ static int findLockInfo(
   struct unixLockKey lockKey;    /* Lookup key for the unixLockInfo structure */
   struct unixFileId fileId;      /* Lookup key for the unixOpenCnt struct */
   struct stat statbuf;           /* Low-level file information */
-  struct unixLockInfo *pLock;    /* Candidate unixLockInfo object */
+  struct unixLockInfo *pLock = 0;/* Candidate unixLockInfo object */
   struct unixOpenCnt *pOpen;     /* Candidate unixOpenCnt object */
 
   /* Get low-level information about the file that we can used to
@@ -1815,7 +1815,8 @@ static int dotlockUnlock(sqlite3_file *id, int locktype) {
   /* To fully unlock the database, delete the lock file */
   assert( locktype==NO_LOCK );
   if( unlink(zLockFile) ){
-    int rc, tErrno = errno;
+    int rc = 0;
+    int tErrno = errno;
     if( ENOENT != tErrno ){
       rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_UNLOCK);
     }