win32/file.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis, Sven Verdoolaege, and Cameron Heide
   5  */
   6
   7 #include "config.h"
   8
   9 #include <errno.h>
  10 #ifdef HAVE_SYS_ERRNO_H
  11 #include <sys/errno.h>
  12 #endif
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <sys/types.h>
  16 #include <sys/stat.h>
  17 #ifdef HAVE_SYS_MMAN_H
  18 #include <sys/mman.h>
  19 #endif
  20 #include <fcntl.h>
  21 #include <string.h>
  22 #include <time.h>
  23 #include "winbase.h"
  24 #include "winerror.h"
  25 #include "file.h"
  26 #include "device.h"
  27 #include "process.h"
  28 #include "heap.h"
  29 #include "debugtools.h"
  30
  31 DEFAULT_DEBUG_CHANNEL(file)
  32
  33 DWORD ErrnoToLastError(int errno_num);
  34
  35 /***********************************************************************
  36  *              ReadFileEx                (KERNEL32.)
  37  */
  38 typedef
  39 VOID
  40 (CALLBACK *LPOVERLAPPED_COMPLETION_ROUTINE)(
  41     DWORD dwErrorCode,
  42     DWORD dwNumberOfBytesTransfered,
  43     LPOVERLAPPED lpOverlapped
  44     );
  45
  46 BOOL WINAPI ReadFileEx(HFILE hFile, LPVOID lpBuffer, DWORD numtoread,
  47                          LPOVERLAPPED lpOverlapped,
  48                          LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
  49 {
  50
  51     FIXME("file %d to buf %p num %ld %p func %p stub\n",
  52           hFile, lpBuffer, numtoread, lpOverlapped, lpCompletionRoutine);
  53     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  54     return 0;
  55 }
  56
  57 /**************************************************************************
  58  *              SetFileAttributes16     (KERNEL.421)
  59  */
  60 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
  61 {
  62     return SetFileAttributesA( lpFileName, attributes );
  63 }
  64
  65
  66 /**************************************************************************
  67  *              SetFileAttributesA      (KERNEL32.490)
  68  */
  69 BOOL WINAPI SetFileAttributesA(LPCSTR lpFileName, DWORD attributes)
  70 {
  71     struct stat buf;
  72     DOS_FULL_NAME full_name;
  73
  74     if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name ))
  75         return FALSE;
  76
  77     TRACE("(%s,%lx)\n",lpFileName,attributes);
  78     if (attributes & FILE_ATTRIBUTE_NORMAL) {
  79       attributes &= ~FILE_ATTRIBUTE_NORMAL;
  80       if (attributes)
  81         FIXME("(%s):%lx illegal combination with FILE_ATTRIBUTE_NORMAL.\n",
  82               lpFileName,attributes);
  83     }
  84     if(stat(full_name.long_name,&buf)==-1)
  85     {
  86         SetLastError(ErrnoToLastError(errno));
  87         return FALSE;
  88     }
  89     if (attributes & FILE_ATTRIBUTE_READONLY)
  90     {
  91         buf.st_mode &= ~0222; /* octal!, clear write permission bits */
  92         attributes &= ~FILE_ATTRIBUTE_READONLY;
  93     }
  94     else
  95     {
  96         /* add write permission */
  97         buf.st_mode |= 0600 | ((buf.st_mode & 044) >> 1);
  98     }
  99     if (attributes & FILE_ATTRIBUTE_DIRECTORY)
 100     {
 101         if (!S_ISDIR(buf.st_mode))
 102             FIXME("SetFileAttributes expected the file '%s' to be a directory",
 103                   lpFileName);
 104         attributes &= ~FILE_ATTRIBUTE_DIRECTORY;
 105     }
 106     attributes &= ~(FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 107     if (attributes)
 108         FIXME("(%s):%lx attribute(s) not implemented.\n",
 109               lpFileName,attributes);
 110     if (-1==chmod(full_name.long_name,buf.st_mode))
 111     {
 112         MESSAGE("Wine ERROR: Couldn't set file attributes for existing file \"%s\". Check permissions !\n", full_name.long_name);
 113         SetLastError(ErrnoToLastError(errno));
 114         return FALSE;
 115     }
 116     return TRUE;
 117 }
 118
 119
 120 /**************************************************************************
 121  *              SetFileAttributesW      (KERNEL32.491)
 122  */
 123 BOOL WINAPI SetFileAttributesW(LPCWSTR lpFileName, DWORD attributes)
 124 {
 125     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
 126     BOOL res = SetFileAttributesA( afn, attributes );
 127     HeapFree( GetProcessHeap(), 0, afn );
 128     return res;
 129 }
 130
 131
 132 /**************************************************************************
 133  *              SetFileApisToOEM   (KERNEL32.645)
 134  */
 135 VOID WINAPI SetFileApisToOEM(void)
 136 {
 137   /*FIXME(file,"(): stub!\n");*/
 138 }
 139
 140
 141 /**************************************************************************
 142  *              SetFileApisToANSI   (KERNEL32.644)
 143  */
 144 VOID WINAPI SetFileApisToANSI(void)
 145 {
 146     /*FIXME(file,"(): stub\n");*/
 147 }
 148
 149
 150 /******************************************************************************
 151  * AreFileApisANSI [KERNEL32.105]  Determines if file functions are using ANSI
 152  *
 153  * RETURNS
 154  *    TRUE:  Set of file functions is using ANSI code page
 155  *    FALSE: Set of file functions is using OEM code page
 156  */
 157 BOOL WINAPI AreFileApisANSI(void)
 158 {
 159     FIXME("(void): stub\n");
 160     return TRUE;
 161 }
 162