reactos/lib/kernel32/file/create.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS system libraries
   4  * FILE:            lib/kernel32/file/create.c
   5  * PURPOSE:         File create/open functions
   6  * PROGRAMMER:      Ariadne ( ariadne@xs4all.nl)
   7  *                  GetTempFileName is modified from WINE [ Alexandre Juiliard ]
   8  * UPDATE HISTORY:
   9  *                  Created 01/11/98
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <windows.h>
  15 #include <ddk/ntddk.h>
  16 #include <wstring.h>
  17 #include <string.h>
  18 #include <kernel32/li.h>
  19 #include <ddk/rtl.h>
  20
  21 #define NDEBUG
  22 #include <kernel32/kernel32.h>
  23
  24 /* FUNCTIONS ****************************************************************/
  25
  26 HANDLE STDCALL CreateFileA(LPCSTR lpFileName,
  27                            DWORD dwDesiredAccess,
  28                            DWORD dwShareMode,
  29                            LPSECURITY_ATTRIBUTES lpSecurityAttributes,
  30                            DWORD dwCreationDisposition,
  31                            DWORD dwFlagsAndAttributes,
  32                            HANDLE hTemplateFile)
  33 {
  34
  35    WCHAR FileNameW[MAX_PATH];
  36    ULONG i = 0;
  37
  38    DPRINT("CreateFileA\n");
  39
  40    while ((*lpFileName)!=0 && i < MAX_PATH)
  41      {
  42         FileNameW[i] = *lpFileName;
  43         lpFileName++;
  44         i++;
  45      }
  46    FileNameW[i] = 0;
  47
  48    return CreateFileW(FileNameW,dwDesiredAccess,
  49                       dwShareMode,
  50                       lpSecurityAttributes,
  51                       dwCreationDisposition,
  52                       dwFlagsAndAttributes,
  53                       hTemplateFile);
  54 }
  55
  56
  57 HANDLE STDCALL CreateFileW(LPCWSTR lpFileName,
  58                            DWORD dwDesiredAccess,
  59                            DWORD dwShareMode,
  60                            LPSECURITY_ATTRIBUTES lpSecurityAttributes,
  61                            DWORD dwCreationDisposition,
  62                            DWORD dwFlagsAndAttributes,
  63                            HANDLE hTemplateFile)
  64 {
  65    HANDLE FileHandle;
  66    NTSTATUS Status;
  67
  68    OBJECT_ATTRIBUTES ObjectAttributes;
  69    IO_STATUS_BLOCK IoStatusBlock;
  70    UNICODE_STRING FileNameString;
  71    ULONG Flags = 0;
  72    WCHAR PathNameW[MAX_PATH];
  73    WCHAR *FilePart;
  74    UINT Len = 0;
  75    WCHAR CurrentDir[MAX_PATH];
  76
  77    DPRINT("CreateFileW\n");
  78
  79    if (!(dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
  80      {
  81         Flags |= FILE_SYNCHRONOUS_IO_ALERT;
  82      }
  83
  84 //   lstrcpyW(PathNameW,L"\\??\\");
  85    PathNameW[0] = '\\';
  86    PathNameW[1] = '?';
  87    PathNameW[2] = '?';
  88    PathNameW[3] = '\\';
  89    PathNameW[4] = 0;
  90
  91    DPRINT("Name %w\n",PathNameW);
  92    if (lpFileName[0] != L'\\' && lpFileName[1] != L':')
  93      {
  94         Len =  GetCurrentDirectoryW(MAX_PATH,CurrentDir);
  95         DPRINT("CurrentDir %w\n",CurrentDir);
  96         lstrcatW(PathNameW,CurrentDir);
  97         DPRINT("Name %w\n",PathNameW);
  98      }
  99    lstrcatW(PathNameW,lpFileName);
 100    DPRINT("Name %w\n",PathNameW);
 101
 102    FileNameString.Length = lstrlenW( PathNameW)*sizeof(WCHAR);
 103
 104    if ( FileNameString.Length == 0 )
 105         return NULL;
 106
 107    if ( FileNameString.Length > MAX_PATH )
 108         return NULL;
 109
 110    FileNameString.Buffer = (WCHAR *)PathNameW;
 111    FileNameString.MaximumLength = FileNameString.Length;
 112
 113    ObjectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
 114    ObjectAttributes.RootDirectory = NULL;
 115    ObjectAttributes.ObjectName = &FileNameString;
 116    ObjectAttributes.Attributes = OBJ_CASE_INSENSITIVE;
 117    ObjectAttributes.SecurityDescriptor = NULL;
 118    ObjectAttributes.SecurityQualityOfService = NULL;
 119
 120    Status = NtCreateFile(&FileHandle,
 121                          dwDesiredAccess,
 122                          &ObjectAttributes,
 123                          &IoStatusBlock,
 124                          NULL,
 125                          dwFlagsAndAttributes,
 126                          dwShareMode,
 127                          dwCreationDisposition,
 128                          Flags,
 129                          NULL,
 130                          0);
 131    return(FileHandle);
 132 }
 133