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Add an assert() to pcache1.c to double-check that page cache buffer memory

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is never allocated if pcache1 is not enabled.  Ticket #3872 (CVS 6670)

FossilOrigin-Name: 93369d91abe10975507ea9302c145e3ddd0c2c76
This commit is contained in:
drh 2009-05-22 11:12:23 +00:00
parent f4622dc176
commit dd1f4321ab
3 changed files with 9 additions and 8 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Additional\schanges\sto\spcache1\sto\sprevent\sthe\spage\sbuffer\smemory\sfrom\sbeing\nconfigured\sif\spcache1\sis\snot\senabled.\s\sTicket\s#3872.\s(CVS\s6669)
D 2009-05-22T11:10:24
C Add\san\sassert()\sto\spcache1.c\sto\sdouble-check\sthat\spage\scache\sbuffer\smemory\r\nis\snever\sallocated\sif\spcache1\sis\snot\senabled.\s\sTicket\s#3872\s(CVS\s6670)
D 2009-05-22T11:12:23
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -151,7 +151,7 @@ F src/pager.h 73f481a308a873ccd626d97331c081db3b53e2e5
F src/parse.y ba2fa210be4b17001e0a16d5e73a8141939b1987
F src/pcache.c 395f752a13574120bd7513a400ba02a265aaa76d
F src/pcache.h 9b927ccc5a538e31b4c3bc7eec4f976db42a1324
F src/pcache1.c 39a2c2fa8329585f1dbe5f2a1fe624b5d78305f2
F src/pcache1.c bed75f157283e7c666f323df0c874c6a2515f76e
F src/pragma.c c26c16c49a80d03c8597f0e6c7daba53f283428f
F src/prepare.c f46d1a029760edee5447e27164fb3ae10e2a6839
F src/printf.c 3f4dca207a88258d37af5a7a03e800a825fe6456
@ -729,7 +729,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P 6240992cef5cb867d7a638f1906d05aa8efd0652
R d3ebf1458e7486057052246f1876becc
P 5153ad19daf0f3b0334b2a06655142899203abbf
R e695d5320ab4a5af1a8f88d9b5e01a90
U drh
Z 75d578e488ac3c2575cd2c0a0971e9ed
Z 682d221724db391e2f96571715710eeb

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@ -1 +1 @@
5153ad19daf0f3b0334b2a06655142899203abbf
93369d91abe10975507ea9302c145e3ddd0c2c76

3
src/pcache1.c
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@ -16,7 +16,7 @@
** If the default page cache implementation is overriden, then neither of
** these two features are available.
**
** @(#) $Id: pcache1.c,v 1.14 2009/05/22 11:10:24 drh Exp $
** @(#) $Id: pcache1.c,v 1.15 2009/05/22 11:12:23 drh Exp $
*/
#include "sqliteInt.h"
@ -155,6 +155,7 @@ static void *pcache1Alloc(int nByte){
void *p;
assert( sqlite3_mutex_held(pcache1.mutex) );
if( nByte<=pcache1.szSlot && pcache1.pFree ){
assert( pcache1.isInit );
p = (PgHdr1 *)pcache1.pFree;
pcache1.pFree = pcache1.pFree->pNext;
sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, nByte);