diff --git a/Makefile.msc b/Makefile.msc
index ed388c85f0..09aa606ee6 100644
--- a/Makefile.msc
+++ b/Makefile.msc
@@ -312,12 +312,12 @@ RCC = $(RC) -DSQLITE_OS_WIN=1 -I$(TOP) -I$(TOP)\src
 #
 !IF $(USE_STDCALL)!=0
 !IF "$(PLATFORM)"=="x86"
-CORE_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl
-SHELL_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl
+CORE_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl -DSQLITE_STDCALL=__stdcall
+SHELL_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl -DSQLITE_STDCALL=__stdcall
 !ELSE
 !IFNDEF PLATFORM
-CORE_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl
-SHELL_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl
+CORE_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl -DSQLITE_STDCALL=__stdcall
+SHELL_CCONV_OPTS = -Gz -DSQLITE_CDECL=__cdecl -DSQLITE_STDCALL=__stdcall
 !ELSE
 CORE_CCONV_OPTS =
 SHELL_CCONV_OPTS =
@@ -331,7 +331,7 @@ SHELL_CCONV_OPTS =
 # These are additional compiler options used for the core library.
 #
 !IFNDEF CORE_COMPILE_OPTS
-!IF $(USE_STDCALL)!=0
+!IF $(DYNAMIC_SHELL)!=0
 CORE_COMPILE_OPTS = $(CORE_CCONV_OPTS) -DSQLITE_API=__declspec(dllexport)
 !ELSE
 CORE_COMPILE_OPTS = $(CORE_CCONV_OPTS)
@@ -342,7 +342,7 @@ CORE_COMPILE_OPTS = $(CORE_CCONV_OPTS)
 # when linking.
 #
 !IFNDEF CORE_LINK_DEP
-!IF $(USE_STDCALL)!=0
+!IF $(DYNAMIC_SHELL)!=0
 CORE_LINK_DEP =
 !ELSE
 CORE_LINK_DEP = sqlite3.def
@@ -352,7 +352,7 @@ CORE_LINK_DEP = sqlite3.def
 # These are additional linker options used for the core library.
 #
 !IFNDEF CORE_LINK_OPTS
-!IF $(USE_STDCALL)!=0
+!IF $(DYNAMIC_SHELL)!=0
 CORE_LINK_OPTS =
 !ELSE
 CORE_LINK_OPTS = /DEF:sqlite3.def
diff --git a/ext/fts3/fts3.c b/ext/fts3/fts3.c
index c92463204c..46b499e96b 100644
--- a/ext/fts3/fts3.c
+++ b/ext/fts3/fts3.c
@@ -1108,7 +1108,7 @@ static int fts3InitVtab(
   const char **aCol;              /* Array of column names */
   sqlite3_tokenizer *pTokenizer = 0;        /* Tokenizer for this table */
 
-  int nIndex;                     /* Size of aIndex[] array */
+  int nIndex = 0;                 /* Size of aIndex[] array */
   struct Fts3Index *aIndex = 0;   /* Array of indexes for this table */
 
   /* The results of parsing supported FTS4 key=value options: */
diff --git a/manifest b/manifest
index 6798741f01..30127bd0ff 100644
--- a/manifest
+++ b/manifest
@@ -1,9 +1,9 @@
-C Merge\sall\srecent\strunk\senhancements\sinto\sthe\ssessions\sbranch.
-D 2015-03-24T19:02:13.346
+C Merge\sall\srecent\strunk\senhancements\sand\sfixes\sinto\sthe\ssessions\sbranch.
+D 2015-03-31T00:10:21.692
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 1bf4de5d0809e0ed046d6f2671ea46d1d6c69608
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
-F Makefile.msc 9547047d5f1b55326a195323ee41cd86281a5d9e
+F Makefile.msc da7e7ac0949d78930b7b0adc3862aef9a9439b2e
 F Makefile.vxworks e1b65dea203f054e71653415bd8f96dcaed47858
 F README.md d58e3bebc0a4145e0f2a87994015fdb575a8e866
 F VERSION 319eb1ced4b4d17a67730f2b7b85f15c1346cb60
@@ -78,7 +78,7 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers e0a8b81383ea60d0334d274fadf305ea14a8c314
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c 2a1cf23133d0c75ce296d17440c44115f8413ec7
+F ext/fts3/fts3.c d3f6f0e95d366f3c2028d916c36a0844bf805840
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
 F ext/fts3/fts3Int.h 394858c12a17740f7a1f6bd372c4606d4425a8d1
 F ext/fts3/fts3_aux.c 5c211e17a64885faeb16b9ba7772f9d5445c2365
@@ -190,7 +190,7 @@ F src/auth.c b56c78ebe40a2110fd361379f7e8162d23f92240
 F src/backup.c ff743689c4d6c5cb55ad42ed9d174b2b3e71f1e3
 F src/bitvec.c 19a4ba637bd85f8f63fc8c9bae5ade9fb05ec1cb
 F src/btmutex.c 45a968cc85afed9b5e6cf55bf1f42f8d18107f79
-F src/btree.c 3e320cac836546c905bd90007074d887980aa70e
+F src/btree.c e565971caa0265d3cabc8b15d7017899a7814051
 F src/btree.h 969adc948e89e449220ff0ff724c94bb2a52e9f1
 F src/btreeInt.h 2bfefc01875d8da066504c233ec259fcb3b2ef72
 F src/build.c 0419bba592c22f6d00e6d57a2ca7136720d02c1a
@@ -212,8 +212,8 @@ F src/journal.c b4124532212b6952f42eb2c12fa3c25701d8ba8d
 F src/legacy.c ba1863ea58c4c840335a84ec276fc2b25e22bc4e
 F src/lempar.c 7274c97d24bb46631e504332ccd3bd1b37841770
 F src/loadext.c 86bd4e2fccd520b748cba52492ab60c4a770f660
-F src/main.c e404037a74cc37251e54c7b71a9a25b48b21e884
-F src/malloc.c e818a0db9ac0898f9dc74002f3a5baca32232d05
+F src/main.c 4eecdeb7b3f6be5aa336252f71208344b5edd196
+F src/malloc.c 6a370b83d54e4bbf6f94021221c2a311cff26a18
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c abe6ee469b6c5a35c7f22bfeb9c9bac664a1c987
 F src/mem2.c f1940d9e91948dd6a908fbb9ce3835c36b5d83c3
@@ -232,7 +232,7 @@ F src/os.h 3e57a24e2794a94d3cf2342c6d9a884888cd96bf
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
 F src/os_unix.c a4dadbc2da41599e99093e91e276c38c17a73b89
-F src/os_win.c 8223e7db5b7c4a81d8b161098ac3959400434cdb
+F src/os_win.c 865ba15878eded98bb29a97ac898f2a799dc481a
 F src/os_win.h eb7a47aa17b26b77eb97e4823f20a00b8bda12ca
 F src/pager.c 4120a49ecd37697e28f5ed807f470b9c0b88410c
 F src/pager.h c3476e7c89cdf1c6914e50a11f3714e30b4e0a77
@@ -248,11 +248,11 @@ F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
 F src/resolve.c f4d79e31ffa5820c2e3d1740baa5e9b190425f2b
 F src/rowset.c eccf6af6d620aaa4579bd3b72c1b6395d9e9fa1e
 F src/select.c 72ffb62e2879956302140e9f6e6ae88aee36b0e5
-F src/shell.c 560f5ceec3a1855c1aa474a52b75dea112d548b4
-F src/sqlite.h.in 690648d5c676eb3ded09f635fc8d0aeb22235df0
+F src/shell.c c4d839ad62f4986891601a21ce629a760f226682
+F src/sqlite.h.in 64287a2b3432550264a743addbf4162a692fdd1c
 F src/sqlite3.rc 992c9f5fb8285ae285d6be28240a7e8d3a7f2bad
 F src/sqlite3ext.h 17d487c3c91b0b8c584a32fbeb393f6f795eea7d
-F src/sqliteInt.h d2804bd5a9c270bc60fe096c9c416123425ebdde
+F src/sqliteInt.h e974c4f98eba7c578da160dd76a7a34d62d61af2
 F src/sqliteLimit.h 216557999cb45f2e3578ed53ebefe228d779cb46
 F src/status.c f266ad8a2892d659b74f0f50cb6a88b6e7c12179
 F src/table.c e7a09215315a978057fb42c640f890160dbcc45e
@@ -401,6 +401,7 @@ F test/boundary3.test 56ef82096b4329aca2be74fa1e2b0f762ea0eb45
 F test/boundary4.tcl 0bb4b1a94f4fc5ae59b79b9a2b7a140c405e2983
 F test/boundary4.test 89e02fa66397b8a325d5eb102b5806f961f8ec4b
 F test/btree01.test e08b3613540145b353f20c81cb18ead54ff12e0f
+F test/btree02.test fe69453d474d8154d19b904157ff1db4812fed99
 F test/btreefault.test c2bcb542685eea44621275cfedbd8a13f65201e3
 F test/busy.test 76b4887f8b9160ba903c1ac22e8ff406ad6ae2f0
 F test/cache.test 13bc046b26210471ca6f2889aceb1ea52dc717de
@@ -449,6 +450,7 @@ F test/corruptF.test be9fde98e4c93648f1ba52b74e5318edc8f59fe4
 F test/corruptG.test 1ab3bf97ee7bdba70e0ff3ba2320657df55d1804
 F test/corruptH.test 5dd4fa98c6c1ed33b178f9e8a48c4fdd3cfc9067
 F test/corruptI.test 221ad8b7f0a9ac6b80fc577e73b5ad8cdea31243
+F test/corruptJ.test 8f584eb97b88e7b160d03edfe2f814c64e56b4ac
 F test/cost.test 19d314526616ce4473eb4e4e450fcb94499ce318
 F test/count.test 42a251178e32f617eda33f76236a7f79825a50b5
 F test/coveridxscan.test cdb47d01acc4a634a34fd25abe85189e0d0f1e62
@@ -1198,7 +1200,7 @@ F test/whereK.test f8e3cf26a8513ecc7f514f54df9f0572c046c42b
 F test/wherelimit.test 5e9fd41e79bb2b2d588ed999d641d9c965619b31
 F test/wild001.test bca33f499866f04c24510d74baf1e578d4e44b1c
 F test/win32heap.test ea19770974795cff26e11575e12d422dbd16893c
-F test/win32lock.test 71642fa56e9b06e5cfffe6bad67cb8c1eb2c555a
+F test/win32lock.test fbf107c91d8f5512be5a5b87c4c42ab9fdd54972
 F test/win32longpath.test 169c75a3b2e43481f4a62122510210c67b08f26d
 F test/with1.test 9df5cd8a62148b3d9ef8597aea563e3863018bcd
 F test/with2.test ee227a663586aa09771cafd4fa269c5217eaf775
@@ -1230,9 +1232,9 @@ F tool/mkkeywordhash.c dfff09dbbfaf950e89af294f48f902181b144670
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
 F tool/mkpragmatab.tcl 94f196c9961e0ca3513e29f57125a3197808be2d
 F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97
-F tool/mksqlite3c-noext.tcl 9ef48e1748dce7b844f67e2450ff9dfeb0fb4ab5
-F tool/mksqlite3c.tcl 87d0000c12cfb0a8c5438f9a754fb45ab0aeb2e2
-F tool/mksqlite3h.tcl 2d0f1b3768f8d000b7881217d5fd4c776eb27467
+F tool/mksqlite3c-noext.tcl 69bae8ce4aa52d2ff82d4a8a856bf283ec035b2e
+F tool/mksqlite3c.tcl ebbf1198e19d84b4c34cca077d8f727a06ff8a11
+F tool/mksqlite3h.tcl 96d92fcac21c6037d9db20c7cb2e06b534b550ac
 F tool/mksqlite3internalh.tcl eb994013e833359137eb53a55acdad0b5ae1049b
 F tool/mkvsix.tcl 52a4c613707ac34ae9c226e5ccc69cb948556105
 F tool/offsets.c fe4262fdfa378e8f5499a42136d17bf3b98f6091
@@ -1264,7 +1266,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 1d1c57c3566d86cd44f146688b620131b3b57e52 436314b5728c9413f9ac2d837e1c19364f31be72
-R b5b5e91935316c7c5da3a524cb5abdb1
+P 54aaa6f29ad1bf84148c2403eed77e8311f68d66 395bb3e677a6551b06ba96fc58c393132b93d1e8
+R 5157faacf9bba75d7e337c0159334ea0
 U drh
-Z a1e013db0b150b015d815c843c8a5cc9
+Z 1371361ad4cf3707e5f673fcbbe81867
diff --git a/manifest.uuid b/manifest.uuid
index 6a0f8581ba..5b1dd1a687 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-54aaa6f29ad1bf84148c2403eed77e8311f68d66
\ No newline at end of file
+df94e61f93da390cb75c48975c50e9d62096ea0b
\ No newline at end of file
diff --git a/src/btree.c b/src/btree.c
index ac0c877317..a4eae64025 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -600,10 +600,15 @@ static void btreeReleaseAllCursorPages(BtCursor *pCur){
 static int saveCursorPosition(BtCursor *pCur){
   int rc;
 
-  assert( CURSOR_VALID==pCur->eState );
+  assert( CURSOR_VALID==pCur->eState || CURSOR_SKIPNEXT==pCur->eState );
   assert( 0==pCur->pKey );
   assert( cursorHoldsMutex(pCur) );
 
+  if( pCur->eState==CURSOR_SKIPNEXT ){
+    pCur->eState = CURSOR_VALID;
+  }else{
+    pCur->skipNext = 0;
+  }
   rc = sqlite3BtreeKeySize(pCur, &pCur->nKey);
   assert( rc==SQLITE_OK );  /* KeySize() cannot fail */
 
@@ -674,7 +679,7 @@ static int SQLITE_NOINLINE saveCursorsOnList(
 ){
   do{
     if( p!=pExcept && (0==iRoot || p->pgnoRoot==iRoot) ){
-      if( p->eState==CURSOR_VALID ){
+      if( p->eState==CURSOR_VALID || p->eState==CURSOR_SKIPNEXT ){
         int rc = saveCursorPosition(p);
         if( SQLITE_OK!=rc ){
           return rc;
@@ -746,17 +751,19 @@ static int btreeMoveto(
 */
 static int btreeRestoreCursorPosition(BtCursor *pCur){
   int rc;
+  int skipNext;
   assert( cursorHoldsMutex(pCur) );
   assert( pCur->eState>=CURSOR_REQUIRESEEK );
   if( pCur->eState==CURSOR_FAULT ){
     return pCur->skipNext;
   }
   pCur->eState = CURSOR_INVALID;
-  rc = btreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &pCur->skipNext);
+  rc = btreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &skipNext);
   if( rc==SQLITE_OK ){
     sqlite3_free(pCur->pKey);
     pCur->pKey = 0;
     assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_INVALID );
+    pCur->skipNext |= skipNext;
     if( pCur->skipNext && pCur->eState==CURSOR_VALID ){
       pCur->eState = CURSOR_SKIPNEXT;
     }
@@ -808,9 +815,10 @@ int sqlite3BtreeCursorRestore(BtCursor *pCur, int *pDifferentRow){
     *pDifferentRow = 1;
     return rc;
   }
-  if( pCur->eState!=CURSOR_VALID || NEVER(pCur->skipNext!=0) ){
+  if( pCur->eState!=CURSOR_VALID ){
     *pDifferentRow = 1;
   }else{
+    assert( pCur->skipNext==0 );
     *pDifferentRow = 0;
   }
   return SQLITE_OK;
@@ -3625,7 +3633,7 @@ int sqlite3BtreeTripAllCursors(Btree *pBtree, int errCode, int writeOnly){
     for(p=pBtree->pBt->pCursor; p; p=p->pNext){
       int i;
       if( writeOnly && (p->curFlags & BTCF_WriteFlag)==0 ){
-        if( p->eState==CURSOR_VALID ){
+        if( p->eState==CURSOR_VALID || p->eState==CURSOR_SKIPNEXT ){
           rc = saveCursorPosition(p);
           if( rc!=SQLITE_OK ){
             (void)sqlite3BtreeTripAllCursors(pBtree, rc, 0);
@@ -4031,6 +4039,8 @@ int sqlite3BtreeKeySize(BtCursor *pCur, i64 *pSize){
 int sqlite3BtreeDataSize(BtCursor *pCur, u32 *pSize){
   assert( cursorHoldsMutex(pCur) );
   assert( pCur->eState==CURSOR_VALID );
+  assert( pCur->iPage>=0 );
+  assert( pCur->iPage<BTCURSOR_MAX_DEPTH );
   assert( pCur->apPage[pCur->iPage]->intKeyLeaf==1 );
   getCellInfo(pCur);
   *pSize = pCur->info.nPayload;
@@ -4509,7 +4519,7 @@ static int moveToChild(BtCursor *pCur, u32 newPgno){
   return SQLITE_OK;
 }
 
-#if 0
+#if SQLITE_DEBUG
 /*
 ** Page pParent is an internal (non-leaf) tree page. This function 
 ** asserts that page number iChild is the left-child if the iIdx'th
@@ -4518,6 +4528,8 @@ static int moveToChild(BtCursor *pCur, u32 newPgno){
 ** the page.
 */
 static void assertParentIndex(MemPage *pParent, int iIdx, Pgno iChild){
+  if( CORRUPT_DB ) return;  /* The conditions tested below might not be true
+                            ** in a corrupt database */
   assert( iIdx<=pParent->nCell );
   if( iIdx==pParent->nCell ){
     assert( get4byte(&pParent->aData[pParent->hdrOffset+8])==iChild );
@@ -4542,19 +4554,11 @@ static void moveToParent(BtCursor *pCur){
   assert( pCur->eState==CURSOR_VALID );
   assert( pCur->iPage>0 );
   assert( pCur->apPage[pCur->iPage] );
-
-  /* UPDATE: It is actually possible for the condition tested by the assert
-  ** below to be untrue if the database file is corrupt. This can occur if
-  ** one cursor has modified page pParent while a reference to it is held 
-  ** by a second cursor. Which can only happen if a single page is linked
-  ** into more than one b-tree structure in a corrupt database.  */
-#if 0
   assertParentIndex(
     pCur->apPage[pCur->iPage-1], 
     pCur->aiIdx[pCur->iPage-1], 
     pCur->apPage[pCur->iPage]->pgno
   );
-#endif
   testcase( pCur->aiIdx[pCur->iPage-1] > pCur->apPage[pCur->iPage-1]->nCell );
 
   releasePage(pCur->apPage[pCur->iPage]);
@@ -7502,6 +7506,7 @@ static int balance(BtCursor *pCur){
       /* The next iteration of the do-loop balances the parent page. */
       releasePage(pPage);
       pCur->iPage--;
+      assert( pCur->iPage>=0 );
     }
   }while( rc==SQLITE_OK );
 
@@ -7973,6 +7978,7 @@ static int clearDatabasePage(
   int i;
   int hdr;
   u16 szCell;
+  u8 hasChildren;
 
   assert( sqlite3_mutex_held(pBt->mutex) );
   if( pgno>btreePagecount(pBt) ){
@@ -7981,17 +7987,19 @@ static int clearDatabasePage(
 
   rc = getAndInitPage(pBt, pgno, &pPage, 0);
   if( rc ) return rc;
+  hasChildren = !pPage->leaf;
+  pPage->leaf = 1;  /* Block looping if the database is corrupt */
   hdr = pPage->hdrOffset;
   for(i=0; i<pPage->nCell; i++){
     pCell = findCell(pPage, i);
-    if( !pPage->leaf ){
+    if( hasChildren ){
       rc = clearDatabasePage(pBt, get4byte(pCell), 1, pnChange);
       if( rc ) goto cleardatabasepage_out;
     }
     rc = clearCell(pPage, pCell, &szCell);
     if( rc ) goto cleardatabasepage_out;
   }
-  if( !pPage->leaf ){
+  if( hasChildren ){
     rc = clearDatabasePage(pBt, get4byte(&pPage->aData[hdr+8]), 1, pnChange);
     if( rc ) goto cleardatabasepage_out;
   }else if( pnChange ){
diff --git a/src/main.c b/src/main.c
index 70ef211631..5828e16ac0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -62,7 +62,7 @@ int sqlite3_threadsafe(void){ return SQLITE_THREADSAFE; }
 ** I/O active are written using this function.  These messages
 ** are intended for debugging activity only.
 */
-/* not-private */ void (*sqlite3IoTrace)(const char*, ...) = 0;
+SQLITE_API void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...) = 0;
 #endif
 
 /*
diff --git a/src/malloc.c b/src/malloc.c
index 264d046ec8..f06e27d846 100644
--- a/src/malloc.c
+++ b/src/malloc.c
@@ -162,6 +162,7 @@ void sqlite3_soft_heap_limit(int n){
 ** Initialize the memory allocation subsystem.
 */
 int sqlite3MallocInit(void){
+  int rc;
   if( sqlite3GlobalConfig.m.xMalloc==0 ){
     sqlite3MemSetDefault();
   }
@@ -197,7 +198,9 @@ int sqlite3MallocInit(void){
     sqlite3GlobalConfig.szPage = 0;
     sqlite3GlobalConfig.nPage = 0;
   }
-  return sqlite3GlobalConfig.m.xInit(sqlite3GlobalConfig.m.pAppData);
+  rc = sqlite3GlobalConfig.m.xInit(sqlite3GlobalConfig.m.pAppData);
+  if( rc!=SQLITE_OK ) memset(&mem0, 0, sizeof(mem0));
+  return rc;
 }
 
 /*
diff --git a/src/os_win.c b/src/os_win.c
index 7463778a2f..e40114000d 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -1966,11 +1966,11 @@ static int winRetryIoerr(int *pnRetry, DWORD *pError){
 /*
 ** Log a I/O error retry episode.
 */
-static void winLogIoerr(int nRetry){
+static void winLogIoerr(int nRetry, int lineno){
   if( nRetry ){
     sqlite3_log(SQLITE_IOERR,
-      "delayed %dms for lock/sharing conflict",
-      winIoerrRetryDelay*nRetry*(nRetry+1)/2
+      "delayed %dms for lock/sharing conflict at line %d",
+      winIoerrRetryDelay*nRetry*(nRetry+1)/2, lineno
     );
   }
 }
@@ -2450,7 +2450,8 @@ static int winClose(sqlite3_file *id){
   assert( pFile->pShm==0 );
 #endif
   assert( pFile->h!=NULL && pFile->h!=INVALID_HANDLE_VALUE );
-  OSTRACE(("CLOSE file=%p\n", pFile->h));
+  OSTRACE(("CLOSE pid=%lu, pFile=%p, file=%p\n",
+           osGetCurrentProcessId(), pFile, pFile->h));
 
 #if SQLITE_MAX_MMAP_SIZE>0
   winUnmapfile(pFile);
@@ -2479,7 +2480,8 @@ static int winClose(sqlite3_file *id){
     pFile->h = NULL;
   }
   OpenCounter(-1);
-  OSTRACE(("CLOSE file=%p, rc=%s\n", pFile->h, rc ? "ok" : "failed"));
+  OSTRACE(("CLOSE pid=%lu, pFile=%p, file=%p, rc=%s\n",
+           osGetCurrentProcessId(), pFile, pFile->h, rc ? "ok" : "failed"));
   return rc ? SQLITE_OK
             : winLogError(SQLITE_IOERR_CLOSE, osGetLastError(),
                           "winClose", pFile->zPath);
@@ -2507,7 +2509,8 @@ static int winRead(
   assert( amt>0 );
   assert( offset>=0 );
   SimulateIOError(return SQLITE_IOERR_READ);
-  OSTRACE(("READ file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
+  OSTRACE(("READ pid=%lu, pFile=%p, file=%p, buffer=%p, amount=%d, "
+           "offset=%lld, lock=%d\n", osGetCurrentProcessId(), pFile,
            pFile->h, pBuf, amt, offset, pFile->locktype));
 
 #if SQLITE_MAX_MMAP_SIZE>0
@@ -2516,7 +2519,8 @@ static int winRead(
   if( offset<pFile->mmapSize ){
     if( offset+amt <= pFile->mmapSize ){
       memcpy(pBuf, &((u8 *)(pFile->pMapRegion))[offset], amt);
-      OSTRACE(("READ-MMAP file=%p, rc=SQLITE_OK\n", pFile->h));
+      OSTRACE(("READ-MMAP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+               osGetCurrentProcessId(), pFile, pFile->h));
       return SQLITE_OK;
     }else{
       int nCopy = (int)(pFile->mmapSize - offset);
@@ -2530,7 +2534,8 @@ static int winRead(
 
 #if SQLITE_OS_WINCE || defined(SQLITE_WIN32_NO_OVERLAPPED)
   if( winSeekFile(pFile, offset) ){
-    OSTRACE(("READ file=%p, rc=SQLITE_FULL\n", pFile->h));
+    OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_FULL\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return SQLITE_FULL;
   }
   while( !osReadFile(pFile->h, pBuf, amt, &nRead, 0) ){
@@ -2544,19 +2549,22 @@ static int winRead(
     DWORD lastErrno;
     if( winRetryIoerr(&nRetry, &lastErrno) ) continue;
     pFile->lastErrno = lastErrno;
-    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_READ\n", pFile->h));
+    OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_READ\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return winLogError(SQLITE_IOERR_READ, pFile->lastErrno,
                        "winRead", pFile->zPath);
   }
-  winLogIoerr(nRetry);
+  winLogIoerr(nRetry, __LINE__);
   if( nRead<(DWORD)amt ){
     /* Unread parts of the buffer must be zero-filled */
     memset(&((char*)pBuf)[nRead], 0, amt-nRead);
-    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_SHORT_READ\n", pFile->h));
+    OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_SHORT_READ\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return SQLITE_IOERR_SHORT_READ;
   }
 
-  OSTRACE(("READ file=%p, rc=SQLITE_OK\n", pFile->h));
+  OSTRACE(("READ pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+           osGetCurrentProcessId(), pFile, pFile->h));
   return SQLITE_OK;
 }
 
@@ -2579,7 +2587,8 @@ static int winWrite(
   SimulateIOError(return SQLITE_IOERR_WRITE);
   SimulateDiskfullError(return SQLITE_FULL);
 
-  OSTRACE(("WRITE file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
+  OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, buffer=%p, amount=%d, "
+           "offset=%lld, lock=%d\n", osGetCurrentProcessId(), pFile,
            pFile->h, pBuf, amt, offset, pFile->locktype));
 
 #if SQLITE_MAX_MMAP_SIZE>0
@@ -2588,7 +2597,8 @@ static int winWrite(
   if( offset<pFile->mmapSize ){
     if( offset+amt <= pFile->mmapSize ){
       memcpy(&((u8 *)(pFile->pMapRegion))[offset], pBuf, amt);
-      OSTRACE(("WRITE-MMAP file=%p, rc=SQLITE_OK\n", pFile->h));
+      OSTRACE(("WRITE-MMAP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+               osGetCurrentProcessId(), pFile, pFile->h));
       return SQLITE_OK;
     }else{
       int nCopy = (int)(pFile->mmapSize - offset);
@@ -2651,17 +2661,20 @@ static int winWrite(
   if( rc ){
     if(   ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
        || ( pFile->lastErrno==ERROR_DISK_FULL )){
-      OSTRACE(("WRITE file=%p, rc=SQLITE_FULL\n", pFile->h));
+      OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_FULL\n",
+               osGetCurrentProcessId(), pFile, pFile->h));
       return winLogError(SQLITE_FULL, pFile->lastErrno,
                          "winWrite1", pFile->zPath);
     }
-    OSTRACE(("WRITE file=%p, rc=SQLITE_IOERR_WRITE\n", pFile->h));
+    OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_WRITE\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
                        "winWrite2", pFile->zPath);
   }else{
-    winLogIoerr(nRetry);
+    winLogIoerr(nRetry, __LINE__);
   }
-  OSTRACE(("WRITE file=%p, rc=SQLITE_OK\n", pFile->h));
+  OSTRACE(("WRITE pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+           osGetCurrentProcessId(), pFile, pFile->h));
   return SQLITE_OK;
 }
 
@@ -2675,8 +2688,8 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
 
   assert( pFile );
   SimulateIOError(return SQLITE_IOERR_TRUNCATE);
-  OSTRACE(("TRUNCATE file=%p, size=%lld, lock=%d\n",
-           pFile->h, nByte, pFile->locktype));
+  OSTRACE(("TRUNCATE pid=%lu, pFile=%p, file=%p, size=%lld, lock=%d\n",
+           osGetCurrentProcessId(), pFile, pFile->h, nByte, pFile->locktype));
 
   /* If the user has configured a chunk-size for this file, truncate the
   ** file so that it consists of an integer number of chunks (i.e. the
@@ -2708,7 +2721,8 @@ static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
   }
 #endif
 
-  OSTRACE(("TRUNCATE file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
+  OSTRACE(("TRUNCATE pid=%lu, pFile=%p, file=%p, rc=%s\n",
+           osGetCurrentProcessId(), pFile, pFile->h, sqlite3ErrName(rc)));
   return rc;
 }
 
@@ -2753,8 +2767,9 @@ static int winSync(sqlite3_file *id, int flags){
   */
   SimulateDiskfullError( return SQLITE_FULL );
 
-  OSTRACE(("SYNC file=%p, flags=%x, lock=%d\n",
-           pFile->h, flags, pFile->locktype));
+  OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, flags=%x, lock=%d\n",
+           osGetCurrentProcessId(), pFile, pFile->h, flags,
+           pFile->locktype));
 
 #ifndef SQLITE_TEST
   UNUSED_PARAMETER(flags);
@@ -2769,17 +2784,20 @@ static int winSync(sqlite3_file *id, int flags){
   ** no-op
   */
 #ifdef SQLITE_NO_SYNC
-  OSTRACE(("SYNC-NOP file=%p, rc=SQLITE_OK\n", pFile->h));
+  OSTRACE(("SYNC-NOP pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+           osGetCurrentProcessId(), pFile, pFile->h));
   return SQLITE_OK;
 #else
   rc = osFlushFileBuffers(pFile->h);
   SimulateIOError( rc=FALSE );
   if( rc ){
-    OSTRACE(("SYNC file=%p, rc=SQLITE_OK\n", pFile->h));
+    OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, rc=SQLITE_OK\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return SQLITE_OK;
   }else{
     pFile->lastErrno = osGetLastError();
-    OSTRACE(("SYNC file=%p, rc=SQLITE_IOERR_FSYNC\n", pFile->h));
+    OSTRACE(("SYNC pid=%lu, pFile=%p, file=%p, rc=SQLITE_IOERR_FSYNC\n",
+             osGetCurrentProcessId(), pFile, pFile->h));
     return winLogError(SQLITE_IOERR_FSYNC, pFile->lastErrno,
                        "winSync", pFile->zPath);
   }
@@ -4752,7 +4770,7 @@ static int winOpen(
     }
   }
 #endif
-  winLogIoerr(cnt);
+  winLogIoerr(cnt, __LINE__);
 
   OSTRACE(("OPEN file=%p, name=%s, access=%lx, rc=%s\n", h, zUtf8Name,
            dwDesiredAccess, (h==INVALID_HANDLE_VALUE) ? "failed" : "ok"));
@@ -4936,7 +4954,7 @@ static int winDelete(
   if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
     rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename);
   }else{
-    winLogIoerr(cnt);
+    winLogIoerr(cnt, __LINE__);
   }
   sqlite3_free(zConverted);
   OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
@@ -4986,7 +5004,7 @@ static int winAccess(
         attr = sAttrData.dwFileAttributes;
       }
     }else{
-      winLogIoerr(cnt);
+      winLogIoerr(cnt, __LINE__);
       if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
         sqlite3_free(zConverted);
         return winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess",
diff --git a/src/shell.c b/src/shell.c
index 57fcf29b0b..e6f592640e 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -370,7 +370,7 @@ static FILE *iotrace = 0;
 ** is written to iotrace.
 */
 #ifdef SQLITE_ENABLE_IOTRACE
-static void iotracePrintf(const char *zFormat, ...){
+static void SQLITE_CDECL iotracePrintf(const char *zFormat, ...){
   va_list ap;
   char *z;
   if( iotrace==0 ) return;
@@ -3233,7 +3233,7 @@ static int do_meta_command(char *zLine, ShellState *p){
 
 #ifdef SQLITE_ENABLE_IOTRACE
   if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
-    extern void (*sqlite3IoTrace)(const char*, ...);
+    SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...);
     if( iotrace && iotrace!=stdout ) fclose(iotrace);
     iotrace = 0;
     if( nArg<2 ){
@@ -4084,9 +4084,9 @@ static int do_meta_command(char *zLine, ShellState *p){
                           azArg[2],
                           integerValue(azArg[3]),
                           integerValue(azArg[4]));
+            fprintf(p->out, "%d (0x%08x)\n", rc, rc);
           }else{
-            fprintf(stderr,"Usage: .testctrl initmode dbName onoff tnum\n");
-            rc = 1;
+            fprintf(stderr,"Usage: .testctrl imposter dbName onoff tnum\n");
           }
           break;
 
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index a0d3d36676..3020f9f391 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -43,18 +43,20 @@ extern "C" {
 
 
 /*
-** Add the ability to override 'extern'
+** Provide the ability to override linkage features of the interface.
 */
 #ifndef SQLITE_EXTERN
 # define SQLITE_EXTERN extern
 #endif
-
-/*
-** Add the ability to override 'cdecl'
-*/
+#ifndef SQLITE_API
+# define SQLITE_API
+#endif
 #ifndef SQLITE_CDECL
 # define SQLITE_CDECL
 #endif
+#ifndef SQLITE_STDCALL
+# define SQLITE_STDCALL
+#endif
 
 /*
 ** These no-op macros are used in front of interfaces to mark those
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 2a6d7d4e5e..93722a02ab 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3815,7 +3815,7 @@ void sqlite3Put4byte(u8*, u32);
 #ifdef SQLITE_ENABLE_IOTRACE
 # define IOTRACE(A)  if( sqlite3IoTrace ){ sqlite3IoTrace A; }
   void sqlite3VdbeIOTraceSql(Vdbe*);
-SQLITE_EXTERN void (*sqlite3IoTrace)(const char*,...);
+SQLITE_API SQLITE_EXTERN void (SQLITE_CDECL *sqlite3IoTrace)(const char*,...);
 #else
 # define IOTRACE(A)
 # define sqlite3VdbeIOTraceSql(X)
diff --git a/test/btree02.test b/test/btree02.test
new file mode 100644
index 0000000000..de7c06d442
--- /dev/null
+++ b/test/btree02.test
@@ -0,0 +1,52 @@
+# 2015-03-25
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# The focus of this script is making multiple calls to saveCursorPosition()
+# and restoreCursorPosition() when cursors have eState==CURSOR_SKIPNEXT
+# 
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+load_static_extension db eval
+do_execsql_test btree02-100 {
+  CREATE TABLE t1(a TEXT, ax INTEGER, b INT, PRIMARY KEY(a,ax)) WITHOUT ROWID;
+  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
+    INSERT INTO t1(a,ax,b) SELECT printf('%02x',i), random(), i FROM c;
+  CREATE INDEX t1a ON t1(a);
+  CREATE TABLE t2(x,y);
+  CREATE TABLE t3(cnt);
+  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<4)
+    INSERT INTO t3(cnt) SELECT i FROM c;
+  SELECT count(*) FROM t1;
+} {10}
+do_test btree02-110 {
+  db eval BEGIN
+  set i 0
+  db eval {SELECT a, ax, b, cnt FROM t1 CROSS JOIN t3 WHERE b IS NOT NULL} {
+    db eval {INSERT INTO t2(x,y) VALUES($b,$cnt)}
+    # puts "a,b,cnt = ($a,$b,$cnt)"
+    incr i
+    if {$i%2==1} {
+      set bx [expr {$b+1000}]
+      # puts "INSERT ($a),$bx"
+      db eval {INSERT INTO t1(a,ax,b) VALUES(printf('(%s)',$a),random(),$bx)}
+    } else {
+      # puts "DELETE a=$a"
+      db eval {DELETE FROM t1 WHERE a=$a}
+    }
+    db eval {COMMIT; BEGIN}
+  }  
+  db one {COMMIT; SELECT count(*) FROM t1;}
+} {20}
+
+finish_test
diff --git a/test/corruptJ.test b/test/corruptJ.test
new file mode 100644
index 0000000000..ec884cc9b4
--- /dev/null
+++ b/test/corruptJ.test
@@ -0,0 +1,80 @@
+# 2015-03-30
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# Corruption consisting of a database page that thinks it is a child
+# of itself.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix corruptJ
+
+if {[permutation]=="mmap"} {
+  finish_test
+  return
+}
+
+# Do not use a codec for tests in this file, as the database file is
+# manipulated directly using tcl scripts (using the [hexio_write] command).
+#
+do_not_use_codec
+database_may_be_corrupt
+
+# Initialize the database.
+#
+do_execsql_test 1.1 {
+  PRAGMA page_size=1024;
+  PRAGMA auto_vacuum=0;
+  CREATE TABLE t1(a,b);
+  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
+    INSERT INTO t1(a,b) SELECT i, zeroblob(700) FROM c;
+} {}
+db close
+
+# Corrupt the root page of the t1 table such that the left-child pointer
+# for the very first cell points back to the root.  Then try to DROP the
+# table.  The clearDatabasePage() routine should not loop.
+#
+do_test 1.2 {
+  hexio_write test.db [expr {2*1024-2}] 02
+  sqlite3 db test.db
+  catchsql { DROP TABLE t1 }
+} {1 {database disk image is malformed}}
+
+# Similar test using a WITHOUT ROWID table
+#
+do_test 2.1 {
+  db close
+  forcedelete test.db
+  sqlite3 db test.db
+  db eval {
+    PRAGMA page_size=1024;
+    PRAGMA auto_vacuum=0;
+    CREATE TABLE t1(a,b,PRIMARY KEY(a,b)) WITHOUT ROWID;
+    WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<100)
+      INSERT INTO t1(a,b) SELECT i, zeroblob(200) FROM c;
+  }
+} {}
+
+# The table is three levels deep.  Corrupt the left child of an intermediate
+# page so that it points back to the root page.
+#
+do_test 2.2 {
+  db close
+  hexio_read test.db [expr {9*1024+391}] 8
+} {00000008814D0401}
+do_test 2.2b {
+  hexio_write test.db [expr {9*1024+391}] 00000002
+  sqlite3 db test.db
+  catchsql { DROP TABLE t1 }
+} {0 {}}
+
+finish_test
diff --git a/test/win32lock.test b/test/win32lock.test
index cff1ed3d87..d1f3d1a06e 100644
--- a/test/win32lock.test
+++ b/test/win32lock.test
@@ -64,6 +64,7 @@ while {1} {
     if {[info exists ::log] && $::log!=""} {
       do_test win32lock-1.2-$delay1-log1 {
         regsub {\d+} $::log # x
+        regsub { at line \d+} $x "" x
         set x
       } {{delayed #ms for lock/sharing conflict}}
     }
@@ -112,6 +113,7 @@ while {1} {
     if {[info exists ::log] && $::log!=""} {
       do_test win32lock-2.2-$delay1-log1 {
         regsub {\d+} $::log # x
+        regsub { at line \d+} $x "" x
         set x
       } {{delayed #ms for lock/sharing conflict}}
     }
diff --git a/tool/mksqlite3c-noext.tcl b/tool/mksqlite3c-noext.tcl
index 27522265bb..0e1d0fcd1a 100644
--- a/tool/mksqlite3c-noext.tcl
+++ b/tool/mksqlite3c-noext.tcl
@@ -17,13 +17,13 @@
 # After the "tsrc" directory has been created and populated, run
 # this script:
 #
-#      tclsh mksqlite3c.tcl
+#      tclsh mksqlite3c-noext.tcl
 #
 # The amalgamated SQLite code will be written into sqlite3.c
 #
 
 # Begin by reading the "sqlite3.h" header file.  Extract the version number
-# from in this file.  The versioon number is needed to generate the header
+# from in this file.  The version number is needed to generate the header
 # comment of the amalgamation.
 #
 if {[lsearch $argv --nostatic]>=0} {
@@ -80,9 +80,6 @@ if {$addstatic} {
   puts $out \
 {#ifndef SQLITE_PRIVATE
 # define SQLITE_PRIVATE static
-#endif
-#ifndef SQLITE_API
-# define SQLITE_API
 #endif}
 }
 
@@ -106,6 +103,7 @@ foreach hdr {
    pager.h
    parse.h
    pcache.h
+   pragma.h
    sqlite3ext.h
    sqlite3.h
    sqliteicu.h
@@ -113,12 +111,31 @@ foreach hdr {
    sqliteLimit.h
    vdbe.h
    vdbeInt.h
+   vxworks.h
    wal.h
+   whereInt.h
 } {
   set available_hdr($hdr) 1
 }
 set available_hdr(sqliteInt.h) 0
 
+# These headers should be copied into the amalgamation without modifying any
+# of their function declarations or definitions.
+set varonly_hdr(sqlite3.h) 1
+
+# These are the functions that accept a variable number of arguments.  They
+# always need to use the "cdecl" calling convention even when another calling
+# convention (e.g. "stcall") is being used for the rest of the library.
+set cdecllist {
+  sqlite3_config
+  sqlite3_db_config
+  sqlite3_log
+  sqlite3_mprintf
+  sqlite3_snprintf
+  sqlite3_test_control
+  sqlite3_vtab_config
+}
+
 # 78 stars used for comment formatting.
 set s78 \
 {*****************************************************************************}
@@ -135,21 +152,21 @@ proc section_comment {text} {
 
 # Read the source file named $filename and write it into the
 # sqlite3.c output file.  If any #include statements are seen,
-# process them approprately.
+# process them appropriately.
 #
 proc copy_file {filename} {
-  global seen_hdr available_hdr out addstatic linemacros
+  global seen_hdr available_hdr varonly_hdr cdecllist out addstatic linemacros
   set ln 0
   set tail [file tail $filename]
   section_comment "Begin file $tail"
   if {$linemacros} {puts $out "#line 1 \"$filename\""}
   set in [open $filename r]
   set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+(sqlite3[_a-zA-Z0-9]+)(\[|;| =)}
-  set declpattern {[a-zA-Z][a-zA-Z_0-9 ]+ \**(sqlite3[_a-zA-Z0-9]+)\(}
+  set declpattern {([a-zA-Z][a-zA-Z_0-9 ]+ \**)(sqlite3[_a-zA-Z0-9]+)(\(.*)}
   if {[file extension $filename]==".h"} {
     set declpattern " *$declpattern"
   }
-  set declpattern ^$declpattern
+  set declpattern ^$declpattern\$
   while {![eof $in]} {
     set line [gets $in]
     incr ln
@@ -165,42 +182,67 @@ proc copy_file {filename} {
           if {$linemacros} {puts $out "#line [expr {$ln+1}] \"$filename\""}
         }
       } elseif {![info exists seen_hdr($hdr)]} {
-        set seen_hdr($hdr) 1
+        if {![regexp {/\*\s+amalgamator:\s+dontcache\s+\*/} $line]} {
+          set seen_hdr($hdr) 1
+        }
+        puts $out $line
+      } elseif {[regexp {/\*\s+amalgamator:\s+keep\s+\*/} $line]} {
+        # This include file must be kept because there was a "keep"
+        # directive inside of a line comment.
         puts $out $line
       } else {
-        puts $out "/* $line */"
+        # Comment out the entire line, replacing any nested comment
+        # begin/end markers with the harmless substring "**".
+        puts $out "/* [string map [list /* ** */ **] $line] */"
       }
     } elseif {[regexp {^#ifdef __cplusplus} $line]} {
       puts $out "#if 0"
     } elseif {!$linemacros && [regexp {^#line} $line]} {
       # Skip #line directives.
     } elseif {$addstatic && ![regexp {^(static|typedef)} $line]} {
-      regsub {^SQLITE_API } $line {} line
-      if {[regexp $declpattern $line all funcname]} {
+      # Skip adding the SQLITE_PRIVATE or SQLITE_API keyword before
+      # functions if this header file does not need it.
+      if {![info exists varonly_hdr($tail)]
+       && [regexp $declpattern $line all rettype funcname rest]} {
+        regsub {^SQLITE_API } $line {} line
         # Add the SQLITE_PRIVATE or SQLITE_API keyword before functions.
         # so that linkage can be modified at compile-time.
         if {[regexp {^sqlite3_} $funcname]} {
-          puts $out "SQLITE_API $line"
+          set line SQLITE_API
+          append line " " [string trim $rettype]
+          if {[string index $rettype end] ne "*"} {
+            append line " "
+          }
+          if {[lsearch -exact $cdecllist $funcname] >= 0} {
+            append line SQLITE_CDECL
+          } else {
+            append line SQLITE_STDCALL
+          }
+          append line " " $funcname $rest
+          puts $out $line
         } else {
           puts $out "SQLITE_PRIVATE $line"
         }
       } elseif {[regexp $varpattern $line all varname]} {
-        # Add the SQLITE_PRIVATE before variable declarations or
-        # definitions for internal use
-        if {![regexp {^sqlite3_} $varname]} {
-          regsub {^extern } $line {} line
-          puts $out "SQLITE_PRIVATE $line"
-        } else {
-          if {[regexp {const char sqlite3_version\[\];} $line]} {
-            set line {const char sqlite3_version[] = SQLITE_VERSION;}
+          # Add the SQLITE_PRIVATE before variable declarations or
+          # definitions for internal use
+          regsub {^SQLITE_API } $line {} line
+          if {![regexp {^sqlite3_} $varname]} {
+            regsub {^extern } $line {} line
+            puts $out "SQLITE_PRIVATE $line"
+          } else {
+            if {[regexp {const char sqlite3_version\[\];} $line]} {
+              set line {const char sqlite3_version[] = SQLITE_VERSION;}
+            }
+            regsub {^SQLITE_EXTERN } $line {} line
+            puts $out "SQLITE_API $line"
           }
-          regsub {^SQLITE_EXTERN } $line {} line
-          puts $out "SQLITE_API $line"
-        }
       } elseif {[regexp {^(SQLITE_EXTERN )?void \(\*sqlite3IoTrace\)} $line]} {
+        regsub {^SQLITE_API } $line {} line
         regsub {^SQLITE_EXTERN } $line {} line
-        puts $out "SQLITE_PRIVATE $line"
+        puts $out $line
       } elseif {[regexp {^void \(\*sqlite3Os} $line]} {
+        regsub {^SQLITE_API } $line {} line
         puts $out "SQLITE_PRIVATE $line"
       } else {
         puts $out $line
diff --git a/tool/mksqlite3c.tcl b/tool/mksqlite3c.tcl
index b088844c71..4fe552350c 100644
--- a/tool/mksqlite3c.tcl
+++ b/tool/mksqlite3c.tcl
@@ -80,9 +80,6 @@ if {$addstatic} {
   puts $out \
 {#ifndef SQLITE_PRIVATE
 # define SQLITE_PRIVATE static
-#endif
-#ifndef SQLITE_API
-# define SQLITE_API
 #endif}
 }
 
@@ -129,6 +126,23 @@ foreach hdr {
 set available_hdr(sqliteInt.h) 0
 set available_hdr(sqlite3session.h) 0
 
+# These headers should be copied into the amalgamation without modifying any
+# of their function declarations or definitions.
+set varonly_hdr(sqlite3.h) 1
+
+# These are the functions that accept a variable number of arguments.  They
+# always need to use the "cdecl" calling convention even when another calling
+# convention (e.g. "stcall") is being used for the rest of the library.
+set cdecllist {
+  sqlite3_config
+  sqlite3_db_config
+  sqlite3_log
+  sqlite3_mprintf
+  sqlite3_snprintf
+  sqlite3_test_control
+  sqlite3_vtab_config
+}
+
 # 78 stars used for comment formatting.
 set s78 \
 {*****************************************************************************}
@@ -148,18 +162,18 @@ proc section_comment {text} {
 # process them appropriately.
 #
 proc copy_file {filename} {
-  global seen_hdr available_hdr out addstatic linemacros
+  global seen_hdr available_hdr varonly_hdr cdecllist out addstatic linemacros
   set ln 0
   set tail [file tail $filename]
   section_comment "Begin file $tail"
   if {$linemacros} {puts $out "#line 1 \"$filename\""}
   set in [open $filename r]
   set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+(sqlite3[_a-zA-Z0-9]+)(\[|;| =)}
-  set declpattern {[a-zA-Z][a-zA-Z_0-9 ]+ \**(sqlite3[_a-zA-Z0-9]+)\(}
+  set declpattern {([a-zA-Z][a-zA-Z_0-9 ]+ \**)(sqlite3[_a-zA-Z0-9]+)(\(.*)}
   if {[file extension $filename]==".h"} {
     set declpattern " *$declpattern"
   }
-  set declpattern ^$declpattern
+  set declpattern ^$declpattern\$
   while {![eof $in]} {
     set line [gets $in]
     incr ln
@@ -193,32 +207,49 @@ proc copy_file {filename} {
     } elseif {!$linemacros && [regexp {^#line} $line]} {
       # Skip #line directives.
     } elseif {$addstatic && ![regexp {^(static|typedef)} $line]} {
-      regsub {^SQLITE_API } $line {} line
-      if {[regexp $declpattern $line all funcname]} {
+      # Skip adding the SQLITE_PRIVATE or SQLITE_API keyword before
+      # functions if this header file does not need it.
+      if {![info exists varonly_hdr($tail)]
+       && [regexp $declpattern $line all rettype funcname rest]} {
+        regsub {^SQLITE_API } $line {} line
         # Add the SQLITE_PRIVATE or SQLITE_API keyword before functions.
         # so that linkage can be modified at compile-time.
         if {[regexp {^sqlite3[a-z]*_} $funcname]} {
-          puts $out "SQLITE_API $line"
+          set line SQLITE_API
+          append line " " [string trim $rettype]
+          if {[string index $rettype end] ne "*"} {
+            append line " "
+          }
+          if {[lsearch -exact $cdecllist $funcname] >= 0} {
+            append line SQLITE_CDECL
+          } else {
+            append line SQLITE_STDCALL
+          }
+          append line " " $funcname $rest
+          puts $out $line
         } else {
           puts $out "SQLITE_PRIVATE $line"
         }
       } elseif {[regexp $varpattern $line all varname]} {
-        # Add the SQLITE_PRIVATE before variable declarations or
-        # definitions for internal use
-        if {![regexp {^sqlite3_} $varname]} {
-          regsub {^extern } $line {} line
-          puts $out "SQLITE_PRIVATE $line"
-        } else {
-          if {[regexp {const char sqlite3_version\[\];} $line]} {
-            set line {const char sqlite3_version[] = SQLITE_VERSION;}
+          # Add the SQLITE_PRIVATE before variable declarations or
+          # definitions for internal use
+          regsub {^SQLITE_API } $line {} line
+          if {![regexp {^sqlite3_} $varname]} {
+            regsub {^extern } $line {} line
+            puts $out "SQLITE_PRIVATE $line"
+          } else {
+            if {[regexp {const char sqlite3_version\[\];} $line]} {
+              set line {const char sqlite3_version[] = SQLITE_VERSION;}
+            }
+            regsub {^SQLITE_EXTERN } $line {} line
+            puts $out "SQLITE_API $line"
           }
-          regsub {^SQLITE_EXTERN } $line {} line
-          puts $out "SQLITE_API $line"
-        }
       } elseif {[regexp {^(SQLITE_EXTERN )?void \(\*sqlite3IoTrace\)} $line]} {
+        regsub {^SQLITE_API } $line {} line
         regsub {^SQLITE_EXTERN } $line {} line
         puts $out $line
       } elseif {[regexp {^void \(\*sqlite3Os} $line]} {
+        regsub {^SQLITE_API } $line {} line
         puts $out "SQLITE_PRIVATE $line"
       } else {
         puts $out $line
diff --git a/tool/mksqlite3h.tcl b/tool/mksqlite3h.tcl
index 323111bb30..07d3e8be36 100644
--- a/tool/mksqlite3h.tcl
+++ b/tool/mksqlite3h.tcl
@@ -63,7 +63,7 @@ close $in
 # Set up patterns for recognizing API declarations.
 #
 set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+sqlite3_[_a-zA-Z0-9]+(\[|;| =)}
-set declpattern {^ *[a-zA-Z][a-zA-Z_0-9 ]+ \**sqlite3_[_a-zA-Z0-9]+\(}
+set declpattern {^ *([a-zA-Z][a-zA-Z_0-9 ]+ \**)(sqlite3_[_a-zA-Z0-9]+)(\(.*)$}
 
 # Force the output to use unix line endings, even on Windows.
 fconfigure stdout -translation lf
@@ -74,6 +74,19 @@ set filelist [subst {
   $TOP/ext/session/sqlite3session.h
 }]
 
+# These are the functions that accept a variable number of arguments.  They
+# always need to use the "cdecl" calling convention even when another calling
+# convention (e.g. "stcall") is being used for the rest of the library.
+set cdecllist {
+  sqlite3_config
+  sqlite3_db_config
+  sqlite3_log
+  sqlite3_mprintf
+  sqlite3_snprintf
+  sqlite3_test_control
+  sqlite3_vtab_config
+}
+
 # Process the source files.
 #
 foreach file $filelist {
@@ -93,21 +106,23 @@ foreach file $filelist {
     regsub -- --VERS--           $line $zVersion line
     regsub -- --VERSION-NUMBER-- $line $nVersion line
     regsub -- --SOURCE-ID--      $line "$zDate $zUuid" line
-  
-    if {[regexp {define SQLITE_EXTERN extern} $line]} {
-      puts $line
-      puts [gets $in]
-      puts ""
-      puts "#ifndef SQLITE_API"
-      puts "# define SQLITE_API"
-      puts "#endif"
-      set line ""
-    }
-  
-    if {([regexp $varpattern $line] && ![regexp {^ *typedef} $line])
-     || ([regexp $declpattern $line])
-    } {
+
+    if {[regexp $varpattern $line] && ![regexp {^ *typedef} $line]} {
       set line "SQLITE_API $line"
+    } else {
+      if {[regexp $declpattern $line all rettype funcname rest]} {
+        set line SQLITE_API
+        append line " " [string trim $rettype]
+        if {[string index $rettype end] ne "*"} {
+          append line " "
+        }
+        if {[lsearch -exact $cdecllist $funcname] >= 0} {
+          append line SQLITE_CDECL
+        } else {
+          append line SQLITE_STDCALL
+        }
+        append line " " $funcname $rest
+      }
     }
     puts $line
   }