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Remove unreachable condition from btree.c. (CVS 6876) 

FossilOrigin-Name: 47b40fefa67f7c563ce2004509aaf8e203038be4
This commit is contained in:
danielk1977 2009-07-11 05:06:51 +00:00
parent 5e483939bc
commit 171fff3c9a
3 changed files with 18 additions and 11 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Fix\sa\spager\sreference\scount\sleak\sin\sbtree\sthat\soccurs\son\san\sOOM\sfollowing\na\sdatabase\spage\ssize\schange.\s(CVS\s6875)
D 2009-07-10T16:51:30
C Remove\sunreachable\scondition\sfrom\sbtree.c.\s(CVS\s6876)
D 2009-07-11T05:06:52
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in df9359da7a726ccb67a45db905c5447d5c00c6ef
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -106,7 +106,7 @@ F src/auth.c 802a9439dfa0b8c208b10055cba400e82ef18025
F src/backup.c 6f1c2d9862c8a3feb7739dfcca02c1f5352e37f3
F src/bitvec.c 0ef0651714728055d43de7a4cdd95e703fac0119
F src/btmutex.c 9b899c0d8df3bd68f527b0afe03088321b696d3c
F src/btree.c c331cc043d09a0549d27935ea967f15ca2e40bb7
F src/btree.c 563cda7bbb92ff33c0e5b2fda589e6b59f89d5ed
F src/btree.h e53a10fd31d16c60a86f03c9467a6f470aa3683b
F src/btreeInt.h a568bf057aa249eb06fd31358b4393a5ac88c118
F src/build.c 867028ee9f63f7bc8eb8d4a720bb98cf9b9a12b4
@ -740,7 +740,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746
P c19d419e8cf94a26d9bb6ad478e84841168a882e
R 900a86651c078a633f311561d3c6050e
U drh
Z 239e27b725612da3876ba9121cd3d170
P c6dfc8bd3911b4c93969bfc13d9931965feed674
R 1f4a85e569a3fef8a6b8dcd856752a00
U danielk1977
Z f0c4a06ecb3adf98288d0a45bb531f00

2
manifest.uuid
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@ -1 +1 @@
c6dfc8bd3911b4c93969bfc13d9931965feed674
47b40fefa67f7c563ce2004509aaf8e203038be4

13
src/btree.c
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@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.674 2009/07/10 16:51:30 drh Exp $
** $Id: btree.c,v 1.675 2009/07/11 05:06:52 danielk1977 Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@ -4218,6 +4218,7 @@ int sqlite3BtreeMovetoUnpacked(
}
assert( pCur->apPage[pCur->iPage] );
assert( pCur->apPage[pCur->iPage]->isInit );
assert( pCur->apPage[pCur->iPage]->nCell>0 || pCur->eState==CURSOR_INVALID );
if( pCur->eState==CURSOR_INVALID ){
*pRes = -1;
assert( pCur->apPage[pCur->iPage]->nCell==0 );
@ -4228,10 +4229,16 @@ int sqlite3BtreeMovetoUnpacked(
int lwr, upr;
Pgno chldPg;
MemPage *pPage = pCur->apPage[pCur->iPage];
int c = -1; /* pRes return if table is empty must be -1 */
int c;
/* pPage->nCell must be greater than zero. If this is the root-page
** the cursor would have been INVALID above and this for(;;) loop
** not run. If this is not the root-page, then the moveToChild() routine
** would have already detected db corruption. */
assert( pPage->nCell>0 );
lwr = 0;
upr = pPage->nCell-1;
if( (!pPage->intKey && pIdxKey==0) || upr<0 ){
if( (!pPage->intKey && pIdxKey==0) ){
rc = SQLITE_CORRUPT_BKPT;
goto moveto_finish;
}