Fix integrity check so that it always reports memory allocation errors that

it encounters. (CVS 5984)

FossilOrigin-Name: 2a3f5ce14c050b135ab9d2247aee84ca37882c4b

manifest

@@ -1,5 +1,5 @@
-C Make\ssure\sthe\snOverflow\sflag\sin\sMemPage\sis\sreset\sto\szero\safter\severy\sinsert.\s(CVS\s5983)
+C Fix\sintegrity\scheck\sso\sthat\sit\salways\sreports\smemory\sallocation\serrors\sthat\nit\sencounters.\s(CVS\s5984)
-D 2008-12-05T20:01:43
+D 2008-12-05T22:40:08
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in f7e4c81c347b04f7b0f1c1b081a168645d7b8af7
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -100,7 +100,7 @@ F src/attach.c 85c6a3d0daf11965b47604190d7cf5597dc88382
 F src/auth.c c8b2ab5c8bad4bd90ed7c294694f48269162c627
 F src/bitvec.c 4300d311b17fb3c1476623fd895a8feac02a0b08
 F src/btmutex.c 63c5cc4ad5715690767ffcb741e185d7bc35ec1a
-F src/btree.c b3438bc1f262b8048df9949aeb2a14cf7c55e9bd
+F src/btree.c 05fae412abe4f72aa52611f5a7180b73f2414d99
 F src/btree.h 179c3ea813780df78a289a8f5130db18e6d4616e
 F src/btreeInt.h 8d21590c97b6a2c00cce1f78ed5dc5756e835108
 F src/build.c ce642b06016d94b0dbc34d379bac82b597baf8d5
@@ -663,7 +663,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P adedd697b475dadaa2eeae0d0413603195c955cf
+P bfde3dae0c7b97308344519ca06cd4b290e8cf47
-R 4b745e4c65ef95b4efde274748b84506
+R 8fe45c4a428cb7057f5995a2ae76463c
 U drh
-Z 4883cace950bdb143cdb09610e9fe51d
+Z 3fd0d7ace73b7317cc5c4ac931c0196d

manifest.uuid

@@ -1 +1 @@
-bfde3dae0c7b97308344519ca06cd4b290e8cf47
+2a3f5ce14c050b135ab9d2247aee84ca37882c4b

src/btree.c

@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btree.c,v 1.544 2008/12/05 20:01:43 drh Exp $
+** $Id: btree.c,v 1.545 2008/12/05 22:40:08 drh Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** See the header comment on "btreeInt.h" for additional information.
@@ -6702,6 +6702,7 @@ static void checkPtrmap(
 
   rc = ptrmapGet(pCheck->pBt, iChild, &ePtrmapType, &iPtrmapParent);
   if( rc!=SQLITE_OK ){
+    if( rc==SQLITE_NOMEM ) pCheck->mallocFailed = 1;
     checkAppendMsg(pCheck, zContext, "Failed to read ptrmap key=%d", iChild);
     return;
   }
@@ -6828,11 +6829,13 @@ static int checkTreePage(
   if( iPage==0 ) return 0;
   if( checkRef(pCheck, iPage, zParentContext) ) return 0;
   if( (rc = sqlite3BtreeGetPage(pBt, (Pgno)iPage, &pPage, 0))!=0 ){
+    if( rc==SQLITE_NOMEM ) pCheck->mallocFailed = 1;
     checkAppendMsg(pCheck, zContext,
        "unable to get the page. error code=%d", rc);
     return 0;
   }
   if( (rc = sqlite3BtreeInitPage(pPage))!=0 ){
+    if( rc==SQLITE_NOMEM ) pCheck->mallocFailed = 1;
     checkAppendMsg(pCheck, zContext, 
                    "sqlite3BtreeInitPage() returns error code %d", rc);
     releasePage(pPage);
@@ -6969,9 +6972,9 @@ check_page_abort:
 ** a table.  nRoot is the number of entries in aRoot.
 **
 ** Write the number of error seen in *pnErr.  Except for some memory
-** allocation errors,  nn error message is held in memory obtained from
+** allocation errors,  an error message held in memory obtained from
 ** malloc is returned if *pnErr is non-zero.  If *pnErr==0 then NULL is
-** returned.
+** returned.  If a memory allocation error occurs, NULL is returned.
 */
 char *sqlite3BtreeIntegrityCheck(
   Btree *p,     /* The btree to be checked */