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Overview
| Comment: | Fix a malloc/free mismatch in pager.c (sqlite3_free() called on a buffer allocated by sqlite3DbMalloc()). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 506008f000ba4af0b35da023b8c52f7a |
| User & Date: | dan 2012-06-07 07:24:04 |
Context
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2012-06-07
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| 15:53 | Add the "tokenchars=" and "separators=" options, for customizing the set of characters considered to be token separators, to the unicode61 tokenizer. check-in: e56fb462 user: dan tags: trunk | |
| 07:24 | Fix a malloc/free mismatch in pager.c (sqlite3_free() called on a buffer allocated by sqlite3DbMalloc()). check-in: 506008f0 user: dan tags: trunk | |
| 02:35 | Provide an (undocumented) compile-time option to disable the page cache overflow counter, in order to avoid a mutex. check-in: 208825cd user: drh tags: trunk | |
Changes
Changes to src/pager.c.
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/* Compute and store the full pathname in an allocated buffer pointed
** to by zPathname, length nPathname. Or, if this is a temporary file,
** leave both nPathname and zPathname set to 0.
*/
if( zFilename && zFilename[0] ){
const char *z;
nPathname = pVfs->mxPathname+1;
zPathname = sqlite3Malloc(nPathname*2);
if( zPathname==0 ){
return SQLITE_NOMEM;
}
zPathname[0] = 0; /* Make sure initialized even if FullPathname() fails */
rc = sqlite3OsFullPathname(pVfs, zFilename, nPathname, zPathname);
nPathname = sqlite3Strlen30(zPathname);
z = zUri = &zFilename[sqlite3Strlen30(zFilename)+1];
................................................................................
** bytes in length. This means the database cannot be opened,
** as it will not be possible to open the journal file or even
** check for a hot-journal before reading.
*/
rc = SQLITE_CANTOPEN_BKPT;
}
if( rc!=SQLITE_OK ){
sqlite3_free(zPathname);
return rc;
}
}
/* Allocate memory for the Pager structure, PCache object, the
** three file descriptors, the database file name and the journal
** file name. The layout in memory is as follows:
................................................................................
nPathname + 8 + 2 /* zJournal */
#ifndef SQLITE_OMIT_WAL
+ nPathname + 4 + 2 /* zWal */
#endif
);
assert( EIGHT_BYTE_ALIGNMENT(SQLITE_INT_TO_PTR(journalFileSize)) );
if( !pPtr ){
sqlite3_free(zPathname);
return SQLITE_NOMEM;
}
pPager = (Pager*)(pPtr);
pPager->pPCache = (PCache*)(pPtr += ROUND8(sizeof(*pPager)));
pPager->fd = (sqlite3_file*)(pPtr += ROUND8(pcacheSize));
pPager->sjfd = (sqlite3_file*)(pPtr += ROUND8(pVfs->szOsFile));
pPager->jfd = (sqlite3_file*)(pPtr += journalFileSize);
................................................................................
sqlite3FileSuffix3(pPager->zFilename, pPager->zJournal);
#ifndef SQLITE_OMIT_WAL
pPager->zWal = &pPager->zJournal[nPathname+8+1];
memcpy(pPager->zWal, zPathname, nPathname);
memcpy(&pPager->zWal[nPathname], "-wal\000", 4+1);
sqlite3FileSuffix3(pPager->zFilename, pPager->zWal);
#endif
sqlite3_free(zPathname);
}
pPager->pVfs = pVfs;
pPager->vfsFlags = vfsFlags;
/* Open the pager file.
*/
if( zFilename && zFilename[0] ){
|
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/* Compute and store the full pathname in an allocated buffer pointed
** to by zPathname, length nPathname. Or, if this is a temporary file,
** leave both nPathname and zPathname set to 0.
*/
if( zFilename && zFilename[0] ){
const char *z;
nPathname = pVfs->mxPathname+1;
zPathname = sqlite3DbMallocRaw(0, nPathname*2);
if( zPathname==0 ){
return SQLITE_NOMEM;
}
zPathname[0] = 0; /* Make sure initialized even if FullPathname() fails */
rc = sqlite3OsFullPathname(pVfs, zFilename, nPathname, zPathname);
nPathname = sqlite3Strlen30(zPathname);
z = zUri = &zFilename[sqlite3Strlen30(zFilename)+1];
................................................................................
** bytes in length. This means the database cannot be opened,
** as it will not be possible to open the journal file or even
** check for a hot-journal before reading.
*/
rc = SQLITE_CANTOPEN_BKPT;
}
if( rc!=SQLITE_OK ){
sqlite3DbFree(0, zPathname);
return rc;
}
}
/* Allocate memory for the Pager structure, PCache object, the
** three file descriptors, the database file name and the journal
** file name. The layout in memory is as follows:
................................................................................
nPathname + 8 + 2 /* zJournal */
#ifndef SQLITE_OMIT_WAL
+ nPathname + 4 + 2 /* zWal */
#endif
);
assert( EIGHT_BYTE_ALIGNMENT(SQLITE_INT_TO_PTR(journalFileSize)) );
if( !pPtr ){
sqlite3DbFree(0, zPathname);
return SQLITE_NOMEM;
}
pPager = (Pager*)(pPtr);
pPager->pPCache = (PCache*)(pPtr += ROUND8(sizeof(*pPager)));
pPager->fd = (sqlite3_file*)(pPtr += ROUND8(pcacheSize));
pPager->sjfd = (sqlite3_file*)(pPtr += ROUND8(pVfs->szOsFile));
pPager->jfd = (sqlite3_file*)(pPtr += journalFileSize);
................................................................................
sqlite3FileSuffix3(pPager->zFilename, pPager->zJournal);
#ifndef SQLITE_OMIT_WAL
pPager->zWal = &pPager->zJournal[nPathname+8+1];
memcpy(pPager->zWal, zPathname, nPathname);
memcpy(&pPager->zWal[nPathname], "-wal\000", 4+1);
sqlite3FileSuffix3(pPager->zFilename, pPager->zWal);
#endif
sqlite3DbFree(0, zPathname);
}
pPager->pVfs = pVfs;
pPager->vfsFlags = vfsFlags;
/* Open the pager file.
*/
if( zFilename && zFilename[0] ){
|
Changes to test/capi3.test.
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set test_number 1
foreach {code english} $code2english {
do_test capi3-9.$test_number "sqlite3_test_errstr $code" $english
incr test_number
}
# Test the error message when a "real" out of memory occurs.
ifcapable memdebug {
do_test capi3-10-1 {
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
sqlite3_memdebug_fail 1
catchsql {
select * from sqlite_master;
................................................................................
ifcapable {utf16} {
do_test capi3-10-6 {
utf8 [sqlite3_errmsg16 $::DB]
} {out of memory}
}
db close
sqlite3_memdebug_fail -1
}
# The following tests - capi3-11.* - test that a COMMIT or ROLLBACK
# statement issued while there are still outstanding VMs that are part of
# the transaction fails.
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
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set test_number 1
foreach {code english} $code2english {
do_test capi3-9.$test_number "sqlite3_test_errstr $code" $english
incr test_number
}
# Test the error message when a "real" out of memory occurs.
if { [permutation] != "nofaultsim" } {
ifcapable memdebug {
do_test capi3-10-1 {
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
sqlite3_memdebug_fail 1
catchsql {
select * from sqlite_master;
................................................................................
ifcapable {utf16} {
do_test capi3-10-6 {
utf8 [sqlite3_errmsg16 $::DB]
} {out of memory}
}
db close
sqlite3_memdebug_fail -1
}
}
# The following tests - capi3-11.* - test that a COMMIT or ROLLBACK
# statement issued while there are still outstanding VMs that are part of
# the transaction fails.
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
|
Changes to test/capi3c.test.
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set test_number 1
foreach {code english} $code2english {
do_test capi3c-9.$test_number "sqlite3_test_errstr $code" $english
incr test_number
}
# Test the error message when a "real" out of memory occurs.
ifcapable memdebug {
do_test capi3c-10-1 {
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
sqlite3_memdebug_fail 0
catchsql {
select * from sqlite_master;
................................................................................
ifcapable {utf16} {
do_test capi3c-10-3 {
utf8 [sqlite3_errmsg16 $::DB]
} {out of memory}
}
db close
sqlite3_memdebug_fail -1
}
# The following tests - capi3c-11.* - test that a COMMIT or ROLLBACK
# statement issued while there are still outstanding VMs that are part of
# the transaction fails.
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
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set test_number 1
foreach {code english} $code2english {
do_test capi3c-9.$test_number "sqlite3_test_errstr $code" $english
incr test_number
}
# Test the error message when a "real" out of memory occurs.
if { [permutation] != "nofaultsim" } {
ifcapable memdebug {
do_test capi3c-10-1 {
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
sqlite3_memdebug_fail 0
catchsql {
select * from sqlite_master;
................................................................................
ifcapable {utf16} {
do_test capi3c-10-3 {
utf8 [sqlite3_errmsg16 $::DB]
} {out of memory}
}
db close
sqlite3_memdebug_fail -1
}
}
# The following tests - capi3c-11.* - test that a COMMIT or ROLLBACK
# statement issued while there are still outstanding VMs that are part of
# the transaction fails.
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
|
Changes to test/permutations.test.
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fts3aux1.test fts3comp1.test fts3auto.test fts4aa.test fts4content.test fts3conf.test fts3prefix.test fts3fault2.test fts3corrupt.test fts3corrupt2.test fts3first.test fts4langid.test fts4merge.test fts4check.test fts4unicode.test } lappend ::testsuitelist xxx #------------------------------------------------------------------------- # Define the coverage related test suites: # # coverage-wal # |
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184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 |
fts3aux1.test fts3comp1.test fts3auto.test fts4aa.test fts4content.test fts3conf.test fts3prefix.test fts3fault2.test fts3corrupt.test fts3corrupt2.test fts3first.test fts4langid.test fts4merge.test fts4check.test fts4unicode.test } test_suite "nofaultsim" -prefix "" -description { "Very" quick test suite. Runs in less than 5 minutes on a workstation. This test suite is the same as the "quick" tests, except that some files that test malloc and IO errors are omitted. } -files [ test_set $allquicktests -exclude *malloc* *ioerr* *fault* ] -initialize { catch {db close} sqlite3_shutdown install_malloc_faultsim 0 sqlite3_initialize autoinstall_test_functions } -shutdown { unset -nocomplain ::G(valgrind) } lappend ::testsuitelist xxx #------------------------------------------------------------------------- # Define the coverage related test suites: # # coverage-wal # |