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kernel32: Implemented ReadFileScatter and WriteFileGather.

oldstable
Alexandre Julliard 2008-03-14 20:32:53 +01:00
parent db1b9a9f62
commit 5c5b997dc2
3 changed files with 52 additions and 2 deletions
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48
dlls/kernel32/file.c
View File

@ -389,6 +389,30 @@ BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
}
/***********************************************************************
* ReadFileScatter (KERNEL32.@)
*/
BOOL WINAPI ReadFileScatter( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
LPDWORD reserved, LPOVERLAPPED overlapped )
{
PIO_STATUS_BLOCK io_status;
LARGE_INTEGER offset;
NTSTATUS status;
TRACE( "(%p %p %u %p)\n", file, segments, count, overlapped );
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
io_status = (PIO_STATUS_BLOCK)overlapped;
io_status->u.Status = STATUS_PENDING;
io_status->Information = 0;
status = NtReadFileScatter( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* ReadFile (KERNEL32.@)
*/
@ -477,6 +501,30 @@ BOOL WINAPI WriteFileEx(HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
}
/***********************************************************************
* WriteFileGather (KERNEL32.@)
*/
BOOL WINAPI WriteFileGather( HANDLE file, FILE_SEGMENT_ELEMENT *segments, DWORD count,
LPDWORD reserved, LPOVERLAPPED overlapped )
{
PIO_STATUS_BLOCK io_status;
LARGE_INTEGER offset;
NTSTATUS status;
TRACE( "%p %p %u %p\n", file, segments, count, overlapped );
offset.u.LowPart = overlapped->u.s.Offset;
offset.u.HighPart = overlapped->u.s.OffsetHigh;
io_status = (PIO_STATUS_BLOCK)overlapped;
io_status->u.Status = STATUS_PENDING;
io_status->Information = 0;
status = NtWriteFileGather( file, NULL, NULL, NULL, io_status, segments, count, &offset, NULL );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* WriteFile (KERNEL32.@)
*/

4
dlls/kernel32/kernel32.spec
View File

@ -880,7 +880,7 @@
@ stdcall ReadDirectoryChangesW(long ptr long long long ptr ptr ptr)
@ stdcall ReadFile(long ptr long ptr ptr)
@ stdcall ReadFileEx(long ptr long ptr ptr)
@ stub ReadFileScatter
@ stdcall ReadFileScatter(long ptr long ptr ptr)
@ stdcall ReadProcessMemory(long ptr ptr long ptr)
@ stdcall RegisterApplicationRestart(wstr long)
@ stub RegisterConsoleIME
@ -1143,7 +1143,7 @@
@ stdcall WriteConsoleW(long ptr long ptr ptr)
@ stdcall WriteFile(long ptr long ptr ptr)
@ stdcall WriteFileEx(long ptr long ptr ptr)
@ stub WriteFileGather
@ stdcall WriteFileGather(long ptr long ptr ptr)
@ stdcall WritePrivateProfileSectionA(str str str)
@ stdcall WritePrivateProfileSectionW(wstr wstr wstr)
@ stdcall WritePrivateProfileStringA(str str str str)

2
include/winbase.h
View File

@ -1936,6 +1936,7 @@ WINADVAPI BOOL WINAPI ReadEventLogW(HANDLE,DWORD,DWORD,LPVOID,DWORD,DWOR
WINBASEAPI BOOL WINAPI ReadDirectoryChangesW(HANDLE,LPVOID,DWORD,BOOL,DWORD,LPDWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);
WINBASEAPI BOOL WINAPI ReadFile(HANDLE,LPVOID,DWORD,LPDWORD,LPOVERLAPPED);
WINBASEAPI BOOL WINAPI ReadFileEx(HANDLE,LPVOID,DWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);
WINBASEAPI BOOL WINAPI ReadFileScatter(HANDLE,FILE_SEGMENT_ELEMENT*,DWORD,LPDWORD,LPOVERLAPPED);
WINBASEAPI BOOL WINAPI ReadProcessMemory(HANDLE,LPCVOID,LPVOID,SIZE_T,SIZE_T*);
WINADVAPI HANDLE WINAPI RegisterEventSourceA(LPCSTR,LPCSTR);
WINADVAPI HANDLE WINAPI RegisterEventSourceW(LPCWSTR,LPCWSTR);
@ -2098,6 +2099,7 @@ WINBASEAPI BOOL WINAPI WaitNamedPipeW(LPCWSTR,DWORD);
WINBASEAPI UINT WINAPI WinExec(LPCSTR,UINT);
WINBASEAPI BOOL WINAPI WriteFile(HANDLE,LPCVOID,DWORD,LPDWORD,LPOVERLAPPED);
WINBASEAPI BOOL WINAPI WriteFileEx(HANDLE,LPCVOID,DWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);
WINBASEAPI BOOL WINAPI WriteFileGather(HANDLE,FILE_SEGMENT_ELEMENT*,DWORD,LPDWORD,LPOVERLAPPED);
WINBASEAPI BOOL WINAPI WritePrivateProfileSectionA(LPCSTR,LPCSTR,LPCSTR);
WINBASEAPI BOOL WINAPI WritePrivateProfileSectionW(LPCWSTR,LPCWSTR,LPCWSTR);
#define WritePrivateProfileSection WINELIB_NAME_AW(WritePrivateProfileSection)