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Overview
| Comment: | Check for a failure in the call to sqlite3PagerPagecount() from within sqlite3PagerWrite(). (Error discovered by valgrind.) |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d64d181c79aee3501be6f7eb8c11ab2c |
| User & Date: | drh 2010-04-02 13:25:22.000 |
Context
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2010-04-03
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| 13:08 | Silently abandon a rollback if the journal has been truncated. (check-in: 7626f6c9ea user: drh tags: trunk) | |
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2010-04-02
| ||
| 13:25 | Check for a failure in the call to sqlite3PagerPagecount() from within sqlite3PagerWrite(). (Error discovered by valgrind.) (check-in: d64d181c79 user: drh tags: trunk) | |
| 12:55 | Take care to avoid a buffer over-read when adding a KEYINFO structure to the P4 parameter of an opcode. (check-in: 937b931a7c user: drh tags: trunk) | |
Changes
Changes to src/pager.c.
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4318 4319 4320 4321 4322 4323 4324 |
/* This trick assumes that both the page-size and sector-size are
** an integer power of 2. It sets variable pg1 to the identifier
** of the first page of the sector pPg is located on.
*/
pg1 = ((pPg->pgno-1) & ~(nPagePerSector-1)) + 1;
| | > | 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 |
/* This trick assumes that both the page-size and sector-size are
** an integer power of 2. It sets variable pg1 to the identifier
** of the first page of the sector pPg is located on.
*/
pg1 = ((pPg->pgno-1) & ~(nPagePerSector-1)) + 1;
rc = sqlite3PagerPagecount(pPager, (int *)&nPageCount);
if( rc ) return rc;
if( pPg->pgno>nPageCount ){
nPage = (pPg->pgno - pg1)+1;
}else if( (pg1+nPagePerSector-1)>nPageCount ){
nPage = nPageCount+1-pg1;
}else{
nPage = nPagePerSector;
}
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| ︙ | ︙ |