Fix harmless compiler warnings.

FossilOrigin-Name: 92dc59132f8547635d73c61c21ea29b380c401ddc84a6d01412808e00386b9e8

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\sproblem\spreventing\sbuilding\swithout\sSQLITE_ENABLE_SETLK_TIMEOUT\sdefined.
-D 2020-05-06T20:45:11.359
+C Fix\sharmless\scompiler\swarnings.
+D 2020-05-06T20:55:38.208
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -474,7 +474,7 @@ F src/auth.c a3d5bfdba83d25abed1013a8c7a5f204e2e29b0c25242a56bc02bb0c07bf1e06
 F src/backup.c 5e617c087f1c2d6005c2ec694ce80d6e16bc68d906e1b1c556d7c7c2228b636b
 F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
 F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
-F src/btree.c f0cd4a3683b60f456f17e28f24cc72febc0df9c3f3f5126d799f9dc9ee5844b6
+F src/btree.c a0f550b2df013c6ce2e16f2134b24750654717083679e8bd65d4b3eb991e0706
 F src/btree.h 989ef3c33413549e3e148f3dcb46c030f317dac130dc86809ba6b9aa4b16c72a
 F src/btreeInt.h 887cdd2ea7f4a65143074a8a7c8928b0546f8c18dda3c06a408ce7992cbab0c0
 F src/build.c ec6c0bda1e43ef55e5f5121a77ba19fac51fc6585f95ce2da795bcedcf6e8f36
@@ -497,7 +497,7 @@ F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
 F src/insert.c 8e4211d04eb460c0694d486c6ba1c068d468c6f653c3f237869a802ad82854de
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 421310045bd78afefb772294a99e50f37d87ae578786a6169074e6291e30d969
-F src/main.c 685d391fc37ad2c1162ad6784cae4a454dcd3632bbab319464af733d71eca72f
+F src/main.c 3f4a08e109b8b100230b62d0317de8b99ed4f2f8ac0f84c96d9bd53b21693f68
 F src/malloc.c a3e13b001f988ecec6bdb90c0ea8912c8c786e623724d7098da623d8d01d19b1
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
@@ -538,7 +538,7 @@ F src/shell.c.in cf2d24f54412c06e5fb34af7fabc748651125e1dceac29b740e91f06d23447b
 F src/sqlite.h.in a42bae930f462294801f24468dd56832b09de01072a26dc0df60ddc3c5602210
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 2d1af80082edffd71c6f96f70ad1ce6a4fb46615ad10291fc77fe0dea9ff0197
-F src/sqliteInt.h 26de171e0adccf6e465434b9fcce18fcfcc757e9a727356b029fc1676639540c
+F src/sqliteInt.h 9d2caeaee7a317af536a60fcd828425da5d64c4f26aac5356f13dce1de3cb066
 F src/sqliteLimit.h 95cb8479ca459496d9c1c6a9f76b38aee12203a56ce1092fe13e50ae2454c032
 F src/status.c 9ff2210207c6c3b4d9631a8241a7d45ab1b26a0e9c84cb07a9b5ce2de9a3b278
 F src/table.c b46ad567748f24a326d9de40e5b9659f96ffff34
@@ -617,7 +617,7 @@ F src/vdbetrace.c fa3bf238002f0bbbdfb66cc8afb0cea284ff9f148d6439bc1f6f2b4c3b7143
 F src/vdbevtab.c 8094dfc28dad82d60a1c832020a1b201a5381dc185c14638affc6d4e9d54c653
 F src/vtab.c 7b704a90515a239c6cdba6a66b1bb3a385e62326cceb5ecb05ec7a091d6b8515
 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
-F src/wal.c f4eda6e6886da4c93e679210b14b75435d0087756644179b01896e485dd32677
+F src/wal.c 43ee77f2b7d0de649bf2da5e22ec19bb4690605d9df35aeceba8a9fb1a4d890c
 F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
 F src/walker.c 7c429c694abd12413a5c17aec9f47cfe9eba6807e6b0a32df883e8e3a14835ed
 F src/where.c 9546c82056e8cdb27291f98cf1adca5d271240b399bb97b32f77fc2bea6146c9
@@ -1864,7 +1864,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P f3ef9c7c2b4ba3de1057ad569f068b241d5f23e6629d8e0dacf85e57fd13b8aa
-R 300add0d813f0b2aa21b7602c0922ab2
-U dan
-Z 6ae115939550b6311fe0efe8d583ce34
+P 98eb54c6d83992886f17a00b6fc8998df230e3b5f45bafc6fae0d15a9ee5a4c6
+R 17cffa12f5b799cb65952b123268b435
+U drh
+Z 20ca82d31230a53570c1c1a513848271

manifest.uuid

@@ -1 +1 @@
-98eb54c6d83992886f17a00b6fc8998df230e3b5f45bafc6fae0d15a9ee5a4c6
+92dc59132f8547635d73c61c21ea29b380c401ddc84a6d01412808e00386b9e8

src/btree.c

@@ -2304,8 +2304,7 @@ static int btreeInvokeBusyHandler(void *pArg){
   BtShared *pBt = (BtShared*)pArg;
   assert( pBt->db );
   assert( sqlite3_mutex_held(pBt->db->mutex) );
-  return sqlite3InvokeBusyHandler(&pBt->db->busyHandler,
-                                  sqlite3PagerFile(pBt->pPager));
+  return sqlite3InvokeBusyHandler(&pBt->db->busyHandler);
 }
 
 /*

src/main.c

@@ -1664,7 +1664,7 @@ static int sqliteDefaultBusyCallback(
 ** If this routine returns non-zero, the lock is retried.  If it
 ** returns 0, the operation aborts with an SQLITE_BUSY error.
 */
-int sqlite3InvokeBusyHandler(BusyHandler *p, sqlite3_file *pFile){
+int sqlite3InvokeBusyHandler(BusyHandler *p){
   int rc;
   if( p->xBusyHandler==0 || p->nBusy<0 ) return 0;
   rc = p->xBusyHandler(p->pBusyArg, p->nBusy);

src/sqliteInt.h

@@ -4584,7 +4584,7 @@ void sqlite3RenameExprlistUnmap(Parse*, ExprList*);
 CollSeq *sqlite3GetCollSeq(Parse*, u8, CollSeq *, const char*);
 char sqlite3AffinityType(const char*, Column*);
 void sqlite3Analyze(Parse*, Token*, Token*);
-int sqlite3InvokeBusyHandler(BusyHandler*, sqlite3_file*);
+int sqlite3InvokeBusyHandler(BusyHandler*);
 int sqlite3FindDb(sqlite3*, Token*);
 int sqlite3FindDbName(sqlite3 *, const char *);
 int sqlite3AnalysisLoad(sqlite3*,int iDB);

src/wal.c

@@ -3695,7 +3695,7 @@ int sqlite3WalCheckpoint(
   /* Enable blocking locks, if possible. If blocking locks are successfully
   ** enabled, set xBusy2=0 so that the busy-handler is never invoked. */
   sqlite3WalDb(pWal, db);
-  walEnableBlocking(pWal);
+  (void)walEnableBlocking(pWal);
 
   /* IMPLEMENTATION-OF: R-62028-47212 All calls obtain an exclusive 
   ** "checkpoint" lock on the database file.