| 359 | |
| 360 | |
| 361 | size_t my_win_pwrite(File Filedes, const uchar *Buffer, size_t Count, |
| 362 | my_off_t offset) |
| 363 | { |
| 364 | DWORD nBytesWritten; |
| 365 | HANDLE hFile; |
| 366 | OVERLAPPED ov= {0}; |
| 367 | LARGE_INTEGER li; |
| 368 | |
| 369 | DBUG_ENTER("my_win_pwrite"); |
| 370 | DBUG_PRINT("my",("Filedes: %d, Buffer: %p, Count: %llu, offset: %llu", |
| 371 | Filedes, Buffer, (ulonglong)Count, (ulonglong)offset)); |
| 372 | |
| 373 | if(!Count) |
| 374 | DBUG_RETURN(0); |
| 375 | |
| 376 | #ifdef _WIN64 |
| 377 | if(Count > UINT_MAX) |
| 378 | Count= UINT_MAX; |
| 379 | #endif |
| 380 | |
| 381 | hFile= (HANDLE)my_get_osfhandle(Filedes); |
| 382 | li.QuadPart= offset; |
| 383 | ov.Offset= li.LowPart; |
| 384 | ov.OffsetHigh= li.HighPart; |
| 385 | |
| 386 | if(!WriteFile(hFile, Buffer, (DWORD)Count, &nBytesWritten, &ov)) |
| 387 | { |
| 388 | my_osmaperr(GetLastError()); |
| 389 | DBUG_RETURN((size_t)-1); |
| 390 | } |
| 391 | else |
| 392 | DBUG_RETURN(nBytesWritten); |
| 393 | } |
| 394 | |
| 395 | |
| 396 | my_off_t my_win_lseek(File fd, my_off_t pos, int whence) |
no test coverage detected