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Overview
| Comment: | In os_unix.c, make a distinction between pread() and pread64(). Add a new compile-time macro USE_PREAD64 to select the latter. (CVS 3709) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
177cd92910d01c97eb3133a59fad417e |
| User & Date: | drh 2007-03-22 15:22:06 |
Context
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2007-03-23
| ||
| 10:08 | Add a comment to the OsSectorSize() function. (CVS 3710) (check-in: 0fd9983a user: danielk1977 tags: trunk) | |
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2007-03-22
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| 15:22 | In os_unix.c, make a distinction between pread() and pread64(). Add a new compile-time macro USE_PREAD64 to select the latter. (CVS 3709) (check-in: 177cd929 user: drh tags: trunk) | |
| 15:20 | Call sqlite3_free() instead of free() to release a buffer allocated by sqlite3_vmprintf() in test_async.c (test suite bug only). (CVS 3708) (check-in: b078f09b user: danielk1977 tags: trunk) | |
Changes
Changes to src/os_unix.c.
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** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read. Update the offset.
*/
static int seekAndRead(unixFile *id, void *pBuf, int cnt){
int got;
i64 newOffset;
TIMER_START;
#ifdef USE_PREAD
got = pread(id->h, pBuf, cnt, id->offset);
#else
newOffset = lseek(id->h, id->offset, SEEK_SET);
if( newOffset!=id->offset ){
return -1;
}
got = read(id->h, pBuf, cnt);
#endif
................................................................................
** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read. Update the offset.
*/
static int seekAndWrite(unixFile *id, const void *pBuf, int cnt){
int got;
i64 newOffset;
TIMER_START;
#ifdef USE_PREAD
got = pwrite(id->h, pBuf, cnt, id->offset);
#else
newOffset = lseek(id->h, id->offset, SEEK_SET);
if( newOffset!=id->offset ){
return -1;
}
got = write(id->h, pBuf, cnt);
#endif
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** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read. Update the offset.
*/
static int seekAndRead(unixFile *id, void *pBuf, int cnt){
int got;
i64 newOffset;
TIMER_START;
#if defined(USE_PREAD)
got = pread(id->h, pBuf, cnt, id->offset);
#elif defined(USE_PREAD64)
got = pread64(id->h, pBuf, cnt, id->offset);
#else
newOffset = lseek(id->h, id->offset, SEEK_SET);
if( newOffset!=id->offset ){
return -1;
}
got = read(id->h, pBuf, cnt);
#endif
................................................................................
** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read. Update the offset.
*/
static int seekAndWrite(unixFile *id, const void *pBuf, int cnt){
int got;
i64 newOffset;
TIMER_START;
#if defined(USE_PREAD)
got = pwrite(id->h, pBuf, cnt, id->offset);
#elif defined(USE_PREAD64)
got = pwrite64(id->h, pBuf, cnt, id->offset);
#else
newOffset = lseek(id->h, id->offset, SEEK_SET);
if( newOffset!=id->offset ){
return -1;
}
got = write(id->h, pBuf, cnt);
#endif
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