win32/file.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis, Sven Verdoolaege, and Cameron Heide
   5  */
   6
   7 #include <errno.h>
   8 #include <sys/errno.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <sys/mman.h>
  14 #include <fcntl.h>
  15 #include <string.h>
  16 #include <time.h>
  17 #include "winbase.h"
  18 #include "winerror.h"
  19 #include "file.h"
  20 #include "device.h"
  21 #include "process.h"
  22 #include "heap.h"
  23 #include "debug.h"
  24
  25 DWORD ErrnoToLastError(int errno_num);
  26
  27 /***********************************************************************
  28  *              ReadFileEx                (KERNEL32.)
  29  */
  30 typedef
  31 VOID
  32 (CALLBACK *LPOVERLAPPED_COMPLETION_ROUTINE)(
  33     DWORD dwErrorCode,
  34     DWORD dwNumberOfBytesTransfered,
  35     LPOVERLAPPED lpOverlapped
  36     );
  37
  38 BOOL WINAPI ReadFileEx(HFILE hFile, LPVOID lpBuffer, DWORD numtoread,
  39                          LPOVERLAPPED lpOverlapped,
  40                          LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
  41 {
  42
  43     FIXME(file, "file %d to buf %p num %ld %p func %p stub\n",
  44           hFile, lpBuffer, numtoread, lpOverlapped, lpCompletionRoutine);
  45     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  46     return 0;
  47 }
  48
  49 /**************************************************************************
  50  *              SetFileAttributes16     (KERNEL.421)
  51  */
  52 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
  53 {
  54     return SetFileAttributesA( lpFileName, attributes );
  55 }
  56
  57
  58 /**************************************************************************
  59  *              SetFileAttributes32A    (KERNEL32.490)
  60  */
  61 BOOL WINAPI SetFileAttributesA(LPCSTR lpFileName, DWORD attributes)
  62 {
  63     struct stat buf;
  64     DOS_FULL_NAME full_name;
  65
  66     if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name ))
  67         return FALSE;
  68
  69     TRACE(file,"(%s,%lx)\n",lpFileName,attributes);
  70     if (attributes & FILE_ATTRIBUTE_NORMAL) {
  71       attributes &= ~FILE_ATTRIBUTE_NORMAL;
  72       if (attributes)
  73         FIXME(file,"(%s):%lx illegal combination with FILE_ATTRIBUTE_NORMAL.\n",
  74               lpFileName,attributes);
  75     }
  76     if(stat(full_name.long_name,&buf)==-1)
  77     {
  78         SetLastError(ErrnoToLastError(errno));
  79         return FALSE;
  80     }
  81     if (attributes & FILE_ATTRIBUTE_READONLY)
  82     {
  83         buf.st_mode &= ~0222; /* octal!, clear write permission bits */
  84         attributes &= ~FILE_ATTRIBUTE_READONLY;
  85     }
  86     else
  87     {
  88         /* add write permission */
  89         buf.st_mode |= 0600 | ((buf.st_mode & 044) >> 1);
  90     }
  91     attributes &= ~(FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
  92     if (attributes)
  93         FIXME(file,"(%s):%lx attribute(s) not implemented.\n",
  94               lpFileName,attributes);
  95     if (-1==chmod(full_name.long_name,buf.st_mode))
  96     {
  97         MSG("Wine ERROR: Couldn't set file attributes for existing file \"%s\". Check permissions !\n", full_name.long_name);
  98         SetLastError(ErrnoToLastError(errno));
  99         return FALSE;
 100     }
 101     return TRUE;
 102 }
 103
 104
 105 /**************************************************************************
 106  *              SetFileAttributes32W    (KERNEL32.491)
 107  */
 108 BOOL WINAPI SetFileAttributesW(LPCWSTR lpFileName, DWORD attributes)
 109 {
 110     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
 111     BOOL res = SetFileAttributesA( afn, attributes );
 112     HeapFree( GetProcessHeap(), 0, afn );
 113     return res;
 114 }
 115
 116
 117 /**************************************************************************
 118  *              SetFileApisToOEM   (KERNEL32.645)
 119  */
 120 VOID WINAPI SetFileApisToOEM(void)
 121 {
 122   /*FIXME(file,"(): stub!\n");*/
 123 }
 124
 125
 126 /**************************************************************************
 127  *              SetFileApisToANSI   (KERNEL32.644)
 128  */
 129 VOID WINAPI SetFileApisToANSI(void)
 130 {
 131     /*FIXME(file,"(): stub\n");*/
 132 }
 133
 134
 135 /******************************************************************************
 136  * AreFileApisANSI [KERNEL32.105]  Determines if file functions are using ANSI
 137  *
 138  * RETURNS
 139  *    TRUE:  Set of file functions is using ANSI code page
 140  *    FALSE: Set of file functions is using OEM code page
 141  */
 142 BOOL WINAPI AreFileApisANSI(void)
 143 {
 144     FIXME(file,"(void): stub\n");
 145     return TRUE;
 146 }
 147