Miscellaneous implementation of kernel32 stubs.

[reactos.git] / reactos / lib / kernel32 / file / rw.c

diff --git a/reactos/lib/kernel32/file/rw.c b/reactos/lib/kernel32/file/rw.c
index dae30df..ca39ebc 100644 (file)
--- a/reactos/lib/kernel32/file/rw.c
+++ b/reactos/lib/kernel32/file/rw.c
@@ -20,6 +20,9 @@
 
 /* FUNCTIONS ****************************************************************/
 
+
+
+
 WINBOOL STDCALL WriteFile(HANDLE hFile,
                          LPCVOID lpBuffer,     
                          DWORD nNumberOfBytesToWrite,
@@ -74,13 +77,13 @@ WINBOOL STDCALL WriteFile(HANDLE hFile,
    return(TRUE);
 }
 
-WINBOOL STDCALL KERNEL32_ReadFile(HANDLE hFile,
-                                 LPVOID lpBuffer,
-                                 DWORD nNumberOfBytesToRead,
-                                 LPDWORD lpNumberOfBytesRead,
-                                 LPOVERLAPPED lpOverLapped,
-                                 LPOVERLAPPED_COMPLETION_ROUTINE 
-                                  lpCompletionRoutine)
+
+
+WINBOOL STDCALL ReadFile(HANDLE hFile,
+                        LPVOID lpBuffer,
+                        DWORD nNumberOfBytesToRead,
+                        LPDWORD lpNumberOfBytesRead,
+                        LPOVERLAPPED lpOverLapped)
 {
    HANDLE hEvent = NULL;
    LARGE_INTEGER Offset;
@@ -106,7 +109,7 @@ WINBOOL STDCALL KERNEL32_ReadFile(HANDLE hFile,
    
    errCode = NtReadFile(hFile,
                        hEvent,
-                       (PIO_APC_ROUTINE)lpCompletionRoutine,
+                       NULL,
                        NULL,
                        IoStatusBlock,
                        lpBuffer,
@@ -127,18 +130,61 @@ WINBOOL STDCALL KERNEL32_ReadFile(HANDLE hFile,
    return(TRUE);
 }
 
-WINBOOL STDCALL ReadFile(HANDLE hFile,
-                        LPVOID lpBuffer,
-                        DWORD nNumberOfBytesToRead,
-                        LPDWORD lpNumberOfBytesRead,
-                        LPOVERLAPPED lpOverLapped)
+VOID ApcRoutine(PVOID ApcContext, struct _IO_STATUS_BLOCK* IoStatusBlock, ULONG NumberOfBytesTransfered)
+{
+       DWORD dwErrorCode;
+       LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine = (LPOVERLAPPED_COMPLETION_ROUTINE)ApcContext;
+
+       dwErrorCode = RtlNtStatusToDosError( IoStatusBlock->Status);
+       lpCompletionRoutine(  dwErrorCode, NumberOfBytesTransfered, (LPOVERLAPPED)IoStatusBlock );
+}
+
+
+WINBOOL WriteFileEx(
+       HANDLE  hFile,  
+       LPCVOID  lpBuffer, 
+       DWORD  nNumberOfBytesToWrite,   
+       LPOVERLAPPED  lpOverLapped,     
+       LPOVERLAPPED_COMPLETION_ROUTINE  lpCompletionRoutine 
+   )
 {
-   return(KERNEL32_ReadFile(hFile,
-                           lpBuffer,
-                           nNumberOfBytesToRead,
-                           lpNumberOfBytesRead,
-                           lpOverLapped,
-                           NULL));
+
+   LARGE_INTEGER Offset;
+   NTSTATUS errCode;
+   PIO_STATUS_BLOCK IoStatusBlock;
+   PLARGE_INTEGER ptrOffset;
+   
+   DPRINT("WriteFileEx(hFile %x)\n",hFile);
+   
+   if (lpOverLapped == NULL) 
+       return FALSE;
+
+   Offset.u.LowPart = lpOverLapped->Offset;
+   Offset.u.HighPart = lpOverLapped->OffsetHigh;
+   lpOverLapped->Internal = STATUS_PENDING;
+   IoStatusBlock = (PIO_STATUS_BLOCK)lpOverLapped;
+   ptrOffset = &Offset;
+
+  
+
+   errCode = NtWriteFile(hFile,
+                        NULL,
+                        ApcRoutine,
+                        lpCompletionRoutine,
+                        IoStatusBlock,
+                        (PVOID)lpBuffer, 
+                        nNumberOfBytesToWrite,
+                        ptrOffset,
+                        NULL);
+   if (!NT_SUCCESS(errCode))
+     {
+       SetLastError(RtlNtStatusToDosError(errCode));
+       DPRINT("WriteFileEx() failed\n");
+       return FALSE;
+     }
+  
+   DPRINT("WriteFileEx() succeeded\n");
+   return(TRUE);
 }
 
 WINBOOL STDCALL ReadFileEx(HANDLE hFile,
@@ -147,10 +193,36 @@ WINBOOL STDCALL ReadFileEx(HANDLE hFile,
                           LPOVERLAPPED lpOverLapped,
                           LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
 {
-   return(KERNEL32_ReadFile(hFile,
-                           lpBuffer,
-                           nNumberOfBytesToRead,
-                           NULL,
-                           lpOverLapped,
-                           lpCompletionRoutine));
+   LARGE_INTEGER Offset;
+   NTSTATUS errCode;
+   PIO_STATUS_BLOCK IoStatusBlock;
+   PLARGE_INTEGER ptrOffset;
+   
+   if (lpOverLapped == NULL) 
+       return FALSE;
+
+   Offset.u.LowPart = lpOverLapped->Offset;
+   Offset.u.HighPart = lpOverLapped->OffsetHigh;
+   lpOverLapped->Internal = STATUS_PENDING;
+   IoStatusBlock = (PIO_STATUS_BLOCK)lpOverLapped;
+   ptrOffset = &Offset;
+ 
+   
+   errCode = NtReadFile(hFile,
+                       NULL,
+                       ApcRoutine,
+                       lpCompletionRoutine,
+                       IoStatusBlock,
+                       lpBuffer,
+                       nNumberOfBytesToRead,
+                       ptrOffset,
+                       NULL);
+   
+   
+   if (!NT_SUCCESS(errCode))  
+     {
+       SetLastError(RtlNtStatusToDosError(errCode));
+       return(FALSE);
+     }
+   return(TRUE);
 }