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Overview
| Comment: | For Windows 8.x and higher, require the SQLITE_WIN32_WIN8_SECTOR_SIZE compile-time option in order to enable sector size determination. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | winSectorSize |
| Files: | files | file ages | folders |
| SHA1: |
47beb55c5bf3baa7a430c2f9bbd7ba9c |
| User & Date: | mistachkin 2017-01-18 23:12:27 |
Context
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2017-01-18
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| 23:12 | For Windows 8.x and higher, require the SQLITE_WIN32_WIN8_SECTOR_SIZE compile-time option in order to enable sector size determination. (Leaf check-in: 47beb55c user: mistachkin tags: winSectorSize) | |
| 19:36 | Improve and update comments. (check-in: 2dc16d34 user: mistachkin tags: winSectorSize) | |
Changes
Changes to src/os_win.c.
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#else
{ "SetFilePointerEx", (SYSCALL)0, 0 },
#endif
#define osSetFilePointerEx ((BOOL(WINAPI*)(HANDLE,LARGE_INTEGER, \
PLARGE_INTEGER,DWORD))aSyscall[65].pCurrent)
#if SQLITE_OS_WINRT || (defined(_WIN32_WINNT) && \
_WIN32_WINNT >= _WIN32_WINNT_WIN8)
{ "GetFileInformationByHandleEx", (SYSCALL)GetFileInformationByHandleEx, 0 },
#else
{ "GetFileInformationByHandleEx", (SYSCALL)0, 0 },
#endif
#define osGetFileInformationByHandleEx ((BOOL(WINAPI*)(HANDLE, \
FILE_INFO_BY_HANDLE_CLASS,LPVOID,DWORD))aSyscall[66].pCurrent)
................................................................................
**
** SQLite code assumes this function cannot fail. It also assumes that
** if two files are created in the same file-system directory (i.e.
** a database and its journal file) that the sector size will be the
** same for both.
*/
static int winSectorSize(sqlite3_file *id){
#if defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_WIN8
if( osIsWin8Plus() ){
winFile *pFile = (winFile*)id;
FILE_STORAGE_INFO info;
memset(&info, 0, sizeof(FILE_STORAGE_INFO));
if( osGetFileInformationByHandleEx(pFile->h, FileStorageInfo,
&info, sizeof(info)) ){
ULONG size = info.FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
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#else
{ "SetFilePointerEx", (SYSCALL)0, 0 },
#endif
#define osSetFilePointerEx ((BOOL(WINAPI*)(HANDLE,LARGE_INTEGER, \
PLARGE_INTEGER,DWORD))aSyscall[65].pCurrent)
#if SQLITE_OS_WINRT || (defined(SQLITE_WIN32_WIN8_SECTOR_SIZE) && \
defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_WIN8)
{ "GetFileInformationByHandleEx", (SYSCALL)GetFileInformationByHandleEx, 0 },
#else
{ "GetFileInformationByHandleEx", (SYSCALL)0, 0 },
#endif
#define osGetFileInformationByHandleEx ((BOOL(WINAPI*)(HANDLE, \
FILE_INFO_BY_HANDLE_CLASS,LPVOID,DWORD))aSyscall[66].pCurrent)
................................................................................
**
** SQLite code assumes this function cannot fail. It also assumes that
** if two files are created in the same file-system directory (i.e.
** a database and its journal file) that the sector size will be the
** same for both.
*/
static int winSectorSize(sqlite3_file *id){
#if defined(SQLITE_WIN32_WIN8_SECTOR_SIZE) && \
defined(_WIN32_WINNT) && _WIN32_WINNT >= _WIN32_WINNT_WIN8
if( osIsWin8Plus() ){
winFile *pFile = (winFile*)id;
FILE_STORAGE_INFO info;
memset(&info, 0, sizeof(FILE_STORAGE_INFO));
if( osGetFileInformationByHandleEx(pFile->h, FileStorageInfo,
&info, sizeof(info)) ){
ULONG size = info.FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
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