os2/lib/doscalls/file/openclose.cpp

   1 /* $Id: openclose.cpp,v 1.2 2002/07/26 00:23:12 robertk Exp $
   2 */
   3 /*
   4  *
   5  * COPYRIGHT:        See COPYING in the top level directory
   6  * PROJECT:          ReactOS OS/2 sub system
   7  * FILE:             dll/doscalls.c
   8  * PURPOSE:          Kernelservices for OS/2 apps
   9  * PROGRAMMER:       Robert K. nonvolatil@yahoo.de
  10  * REVISION HISTORY:
  11  *  13-03-2002  Created
  12  *      25-07-2002      Work to make it compile
  13  */
  14
  15
  16 #define INCL_DOSFILEMGR
  17 #define INCL_DOSERRORS
  18 #include "ros2.h"
  19
  20
  21
  22 APIRET STDCALL  Dos32Open(PSZ    pszFileName,  PHFILE pHf,
  23                             PULONG pulAction,  ULONG  cbFile,
  24                             ULONG  ulAttribute,  ULONG  fsOpenFlags,
  25                             ULONG  fsOpenMode,  PVOID reserved )  //ULONGPEAOP2 peaop2)
  26 {
  27 /*      NTAPI
  28 ZwCreateFile(
  29 OUT PHANDLE FileHandle,
  30 IN ACCESS_MASK DesiredAccess,
  31 IN POBJECT_ATTRIBUTES ObjectAttributes,
  32 OUT PIO_STATUS_BLOCK IoStatusBlock,
  33 IN PLARGE_INTEGER AllocationSize OPTIONAL,
  34 IN ULONG FileAttributes,
  35 IN ULONG ShareAccess,
  36 IN ULONG CreateDisposition,
  37 IN ULONG CreateOptions,
  38 IN PVOID EaBuffer OPTIONAL,
  39 IN ULONG EaLength
  40 );*/
  41
  42 /*
  43
  44            OBJECT_ATTRIBUTES ObjectAttributes;
  45    IO_STATUS_BLOCK IoStatusBlock;
  46    UNICODE_STRING NtPathU;
  47    HANDLE FileHandle;
  48    NTSTATUS Status;
  49    ULONG Flags = 0;
  50
  51    switch (dwCreationDisposition)
  52      {
  53       case CREATE_NEW:
  54         dwCreationDisposition = FILE_CREATE;
  55         break;
  56
  57       case CREATE_ALWAYS:
  58         dwCreationDisposition = FILE_OVERWRITE_IF;
  59         break;
  60
  61       case OPEN_EXISTING:
  62         dwCreationDisposition = FILE_OPEN;
  63         break;
  64
  65       case OPEN_ALWAYS:
  66         dwCreationDisposition = OPEN_ALWAYS;
  67         break;
  68
  69       case TRUNCATE_EXISTING:
  70         dwCreationDisposition = FILE_OVERWRITE;
  71      }
  72
  73    DPRINT("CreateFileW(lpFileName %S)\n",lpFileName);
  74
  75    if (dwDesiredAccess & GENERIC_READ)
  76      dwDesiredAccess |= FILE_GENERIC_READ;
  77
  78    if (dwDesiredAccess & GENERIC_WRITE)
  79      dwDesiredAccess |= FILE_GENERIC_WRITE;
  80
  81    if (!(dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
  82      {
  83         Flags |= FILE_SYNCHRONOUS_IO_ALERT;
  84      }
  85
  86    if (!RtlDosPathNameToNtPathName_U ((LPWSTR)lpFileName,
  87                                       &NtPathU,
  88                                       NULL,
  89                                       NULL))
  90      return INVALID_HANDLE_VALUE;
  91
  92    DPRINT("NtPathU \'%S\'\n", NtPathU.Buffer);
  93
  94    ObjectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
  95    ObjectAttributes.RootDirectory = NULL;
  96    ObjectAttributes.ObjectName = &NtPathU;
  97    ObjectAttributes.Attributes = OBJ_CASE_INSENSITIVE;
  98    ObjectAttributes.SecurityDescriptor = NULL;
  99    ObjectAttributes.SecurityQualityOfService = NULL;
 100
 101    Status = NtCreateFile (&FileHandle,
 102                           dwDesiredAccess,
 103                           &ObjectAttributes,
 104                           &IoStatusBlock,
 105                           NULL,
 106                           dwFlagsAndAttributes,
 107                           dwShareMode,
 108                           dwCreationDisposition,
 109                           Flags,
 110                           NULL,
 111                           0);
 112    if (!NT_SUCCESS(Status))
 113      {
 114         SetLastErrorByStatus (Status);
 115         return INVALID_HANDLE_VALUE;
 116      }
 117
 118    return FileHandle;*/
 119
 120         return ERROR_CALL_NOT_IMPLEMENTED;
 121 }
 122
 123
 124 /* close a Handle. seems finished */
 125 APIRET STDCALL  Dos32Close(HFILE hFile)
 126 {
 127         NT::NTSTATUS   nErrCode;
 128         nErrCode = NT::ZwClose( (NT::HANDLE)hFile );
 129         switch( nErrCode )
 130         {
 131         case STATUS_SUCCESS:
 132                 return NO_ERROR;
 133         case STATUS_INVALID_HANDLE:
 134                 return ERROR_INVALID_HANDLE;
 135         case STATUS_HANDLE_NOT_CLOSABLE:
 136                 return ERROR_FILE_NOT_FOUND;
 137         }
 138         return nErrCode;
 139 }
 140
 141
 142
 143 APIRET STDCALL  Dos32Read(HFILE hFile, PVOID pBuffer,
 144                             ULONG cbRead, PULONG pcbActual)
 145 {
 146         NT::NTSTATUS        nErrCode;
 147         NT::IO_STATUS_BLOCK isbStatus;
 148         // read data from file
 149         nErrCode = NT::ZwReadFile( (NT::HANDLE)hFile,   NULL,   NULL,   NULL,
 150                                                         &isbStatus,             pBuffer,        cbRead,
 151                                                         NULL,           NULL    );
 152         // contains the # bytes actually read.
 153         *pcbActual = isbStatus.Information;
 154         switch(nErrCode)
 155         {
 156         case STATUS_INVALID_HANDLE:
 157                 return ERROR_INVALID_HANDLE;
 158                 // FIXME: complete this
 159         }
 160         return NO_ERROR;
 161 }
 162
 163 /* Generic write to a stream given by hFile */
 164 APIRET STDCALL  Dos32Write(HFILE hFile, PVOID pBuffer,
 165                              ULONG cbWrite, PULONG pcbActual)
 166 {
 167         NT::NTSTATUS         nErrCode;
 168         NT::IO_STATUS_BLOCK  StatusBlk;
 169         nErrCode = NtWriteFile( (NT::HANDLE)hFile, NULL, NULL, NULL,
 170                                                         &StatusBlk, pBuffer, cbWrite, 0, NULL );
 171         // FIXME *pcbActual = StatusBlk.Information;
 172         // do an errorcode translation   FIXME: correct
 173         return ERROR_CALL_NOT_IMPLEMENTED;
 174         switch(nErrCode)
 175         {
 176         case STATUS_SUCCESS:
 177         case STATUS_PENDING:
 178         case STATUS_ACCESS_DENIED:
 179         case STATUS_INVALID_HANDLE:
 180         case STATUS_FILE_LOCK_CONFLICT:
 181                 return 0;
 182         }
 183         return 0;
 184 }
 185
 186
 187