From: drh <drh@noemail.net>
Date: Fri, 26 Aug 2011 20:55:50 +0000 (+0000)
Subject: Fix several harmless compiler warnings and a documentation bug.
X-Git-Tag: version-3.7.8~40
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3d4435b234b53370989f59c56647c479eeb7e36f;p=thirdparty%2Fsqlite.git

Fix several harmless compiler warnings and a documentation bug.

FossilOrigin-Name: 5454d0fe227b7c1f0e7715b6c08f97019628fc4c
---

diff --git a/manifest b/manifest
index 91a0745b81..530096adf2 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Update\scompiler\serror\smessage\sregarding\sthe\schoice\sof\smemory\sallocator\sdefines.
-D 2011-08-26T11:25:02.455
+C Fix\sseveral\sharmless\scompiler\swarnings\sand\sa\sdocumentation\sbug.
+D 2011-08-26T20:55:50.529
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 8c930e7b493d59099ea1304bd0f2aed152eb3315
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -165,7 +165,7 @@ F src/os.c fcc717427a80b2ed225373f07b642dc1aad7490b
 F src/os.h 9dbed8c2b9c1f2f2ebabc09e49829d4777c26bf9
 F src/os_common.h 65a897143b64667d23ed329a7984b9b405accb58
 F src/os_os2.c 4a75888ba3dfc820ad5e8177025972d74d7f2440
-F src/os_unix.c 1a34ca3794ced80e4a4ebcc3ba1f4c516762e534
+F src/os_unix.c 3792524439a13af0464ba65baf4d647dad063604
 F src/os_win.c 86bcb5bd0386c761c764c3383879469346da3a14
 F src/pager.c 817f7f7140c9fa2641f28e6330e924708ddd870d
 F src/pager.h 2bab1b2ea4eac58663b5833e3522e36b5ff63447
@@ -961,7 +961,7 @@ F tool/symbols.sh caaf6ccc7300fd43353318b44524853e222557d5
 F tool/tostr.awk 11760e1b94a5d3dcd42378f3cc18544c06cfa576
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings.sh b7fdb2cc525f5ef4fa43c80e771636dd3690f9d2
-P 5238a74987507f27af4080e2842f53e049b5b111
-R 68d004e4a18ddd9b15416c3d56993539
-U mistachkin
-Z cf5bdd8db49b4512fd908f85b844bfec
+P 1dada5158215d1816edb69ff2610f9d2259ce19d
+R 16e082a02686bfb3de55c1b850240992
+U drh
+Z 9f47e5dd82da8bb114d554ebcb62232c
diff --git a/manifest.uuid b/manifest.uuid
index 3413c7f093..07a8c25fca 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-1dada5158215d1816edb69ff2610f9d2259ce19d
\ No newline at end of file
+5454d0fe227b7c1f0e7715b6c08f97019628fc4c
\ No newline at end of file
diff --git a/src/os_unix.c b/src/os_unix.c
index 868e029f82..446c6c5fb9 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -2525,11 +2525,12 @@ static int afpCheckReservedLock(sqlite3_file *id, int *pResOut){
   int rc = SQLITE_OK;
   int reserved = 0;
   unixFile *pFile = (unixFile*)id;
+  afpLockingContext *context;
   
   SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );
   
   assert( pFile );
-  afpLockingContext *context = (afpLockingContext *) pFile->lockingContext;
+  context = (afpLockingContext *) pFile->lockingContext;
   if( context->reserved ){
     *pResOut = 1;
     return SQLITE_OK;
@@ -2669,7 +2670,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){
   ** operating system calls for the specified lock.
   */
   if( eFileLock==SHARED_LOCK ){
-    int lrc1, lrc2, lrc1Errno;
+    int lrc1, lrc2, lrc1Errno = 0;
     long lk, mask;
     
     assert( pInode->nShared==0 );
@@ -3439,11 +3440,9 @@ static int proxyFileControl(sqlite3_file*,int,void*);
 
 /* 
 ** This function is called to handle the SQLITE_FCNTL_SIZE_HINT 
-** file-control operation.
-**
-** If the user has configured a chunk-size for this file, it could be
-** that the file needs to be extended at this point. Otherwise, the
-** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix.
+** file-control operation.  Enlarge the database to nBytes in size
+** (rounded up to the next chunk-size).  If the database is already
+** nBytes or larger, this routine is a no-op.
 */
 static int fcntlSizeHint(unixFile *pFile, i64 nByte){
   { /* preserve indentation of removed "if" */
@@ -4957,6 +4956,9 @@ static int unixOpen(
 #if SQLITE_ENABLE_LOCKING_STYLE
   int isAutoProxy  = (flags & SQLITE_OPEN_AUTOPROXY);
 #endif
+#if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE
+  struct statfs fsInfo;
+#endif
 
   /* If creating a master or main-file journal, this function will open
   ** a file-descriptor on the directory too. The first time unixSync()
@@ -5089,7 +5091,6 @@ static int unixOpen(
 
   
 #if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE
-  struct statfs fsInfo;
   if( fstatfs(fd, &fsInfo) == -1 ){
     ((unixFile*)pFile)->lastErrno = errno;
     robust_close(p, fd, __LINE__);
@@ -5113,7 +5114,6 @@ static int unixOpen(
     if( envforce!=NULL ){
       useProxy = atoi(envforce)>0;
     }else{
-      struct statfs fsInfo;
       if( statfs(zPath, &fsInfo) == -1 ){
         /* In theory, the close(fd) call is sub-optimal. If the file opened
         ** with fd is a database file, and there are other connections open
@@ -5854,6 +5854,8 @@ static int proxyGetHostID(unsigned char *pHostID, int *pError){
       return SQLITE_IOERR;
     }
   }
+#else
+  UNUSED_PARAMETER(pError);
 #endif
 #ifdef SQLITE_TEST
   /* simulate multiple hosts by creating unique hostid file paths */
@@ -5946,6 +5948,7 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){
   int nTries = 0;
   struct timespec conchModTime;
   
+  memset(&conchModTime, 0, sizeof(conchModTime));
   do {
     rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, lockType);
     nTries ++;
@@ -6177,11 +6180,12 @@ static int proxyTakeConch(unixFile *pFile){
     end_takeconch:
       OSTRACE(("TRANSPROXY: CLOSE  %d\n", pFile->h));
       if( rc==SQLITE_OK && pFile->openFlags ){
+        int fd;
         if( pFile->h>=0 ){
           robust_close(pFile, pFile->h, __LINE__);
         }
         pFile->h = -1;
-        int fd = robust_open(pCtx->dbPath, pFile->openFlags,
+        fd = robust_open(pCtx->dbPath, pFile->openFlags,
                       SQLITE_DEFAULT_FILE_PERMISSIONS);
         OSTRACE(("TRANSPROXY: OPEN  %d\n", fd));
         if( fd>=0 ){