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Overview
| Comment: | Add assert()s to the implementation of xRead() in the built-in VFSes to verify that the offset parameter is always non-negative. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | cf5c3642247fdd34d87f0368594cd7b8 |
| User & Date: | drh 2013-05-09 18:12:40 |
Context
|
2013-05-15
| ||
| 13:05 | Add the rot13.c loadable extension. check-in: 8f9bd8e7 user: drh tags: trunk | |
| 08:00 | Merge updates from trunk. check-in: 6fbad957 user: mistachkin tags: toTypeFuncs | |
|
2013-05-13
| ||
| 18:23 | Candidate fixes for problems revealed by notify2.test. Notify2.test is still failing at this point. check-in: ea0428f9 user: dan tags: shared-cache-fixes | |
|
2013-05-10
| ||
| 02:11 | Merge in the latest trunk changes. check-in: 5ed31c82 user: drh tags: nextgen-query-plan-exp | |
|
2013-05-09
| ||
| 23:40 | Merge trunk changes into the sessions branch. check-in: 512f8a1e user: drh tags: sessions | |
| 18:12 | Add assert()s to the implementation of xRead() in the built-in VFSes to verify that the offset parameter is always non-negative. check-in: cf5c3642 user: drh tags: trunk | |
| 14:20 | Do not move WHERE clause terms inside OR expressions that are contained within an ON clause of a LEFT JOIN. Fix for ticket [f2369304e47167e3e]. check-in: 1128575d user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 |
void *pBuf,
int amt,
sqlite3_int64 offset
){
unixFile *pFile = (unixFile *)id;
int got;
assert( id );
/* If this is a database file (not a journal, master-journal or temp
** file), the bytes in the locking range should never be read or written. */
#if 0
assert( pFile->pUnused==0
|| offset>=PENDING_BYTE+512
|| offset+amt<=PENDING_BYTE
|
> > |
3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 |
void *pBuf,
int amt,
sqlite3_int64 offset
){
unixFile *pFile = (unixFile *)id;
int got;
assert( id );
assert( offset>=0 );
assert( amt>0 );
/* If this is a database file (not a journal, master-journal or temp
** file), the bytes in the locking range should never be read or written. */
#if 0
assert( pFile->pUnused==0
|| offset>=PENDING_BYTE+512
|| offset+amt<=PENDING_BYTE
|
Changes to src/os_win.c.
2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 |
#endif
winFile *pFile = (winFile*)id; /* file handle */
DWORD nRead; /* Number of bytes actually read from file */
int nRetry = 0; /* Number of retrys */
assert( id!=0 );
assert( amt>0 );
SimulateIOError(return SQLITE_IOERR_READ);
OSTRACE(("READ file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
/* Deal with as much of this read request as possible by transfering
** data from the memory mapping using memcpy(). */
|
> |
2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 |
#endif
winFile *pFile = (winFile*)id; /* file handle */
DWORD nRead; /* Number of bytes actually read from file */
int nRetry = 0; /* Number of retrys */
assert( id!=0 );
assert( amt>0 );
assert( offset>=0 );
SimulateIOError(return SQLITE_IOERR_READ);
OSTRACE(("READ file=%p, buffer=%p, amount=%d, offset=%lld, lock=%d\n",
pFile->h, pBuf, amt, offset, pFile->locktype));
#if SQLITE_MAX_MMAP_SIZE>0
/* Deal with as much of this read request as possible by transfering
** data from the memory mapping using memcpy(). */
|