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 #ifdef HAVE_SYS_ERRNO_H
   9 #include <sys/errno.h>
  10 #endif
  11 #include <stdlib.h>
  12 #include <unistd.h>
  13 #include <sys/types.h>
  14 #include <sys/stat.h>
  15 #ifdef HAVE_SYS_MMAN_H
  16 #include <sys/mman.h>
  17 #endif
  18 #include <fcntl.h>
  19 #include <string.h>
  20 #include <time.h>
  21 #include "winbase.h"
  22 #include "winerror.h"
  23 #include "file.h"
  24 #include "device.h"
  25 #include "process.h"
  26 #include "heap.h"
  27 #include "debugtools.h"
  28
  29 DEFAULT_DEBUG_CHANNEL(file)
  30
  31 DWORD ErrnoToLastError(int errno_num);
  32
  33 /***********************************************************************
  34  *              ReadFileEx                (KERNEL32.)
  35  */
  36 typedef
  37 VOID
  38 (CALLBACK *LPOVERLAPPED_COMPLETION_ROUTINE)(
  39     DWORD dwErrorCode,
  40     DWORD dwNumberOfBytesTransfered,
  41     LPOVERLAPPED lpOverlapped
  42     );
  43
  44 BOOL WINAPI ReadFileEx(HFILE hFile, LPVOID lpBuffer, DWORD numtoread,
  45                          LPOVERLAPPED lpOverlapped,
  46                          LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
  47 {
  48
  49     FIXME("file %d to buf %p num %ld %p func %p stub\n",
  50           hFile, lpBuffer, numtoread, lpOverlapped, lpCompletionRoutine);
  51     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  52     return 0;
  53 }
  54
  55 /**************************************************************************
  56  *              SetFileAttributes16     (KERNEL.421)
  57  */
  58 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
  59 {
  60     return SetFileAttributesA( lpFileName, attributes );
  61 }
  62
  63
  64 /**************************************************************************
  65  *              SetFileAttributes32A    (KERNEL32.490)
  66  */
  67 BOOL WINAPI SetFileAttributesA(LPCSTR lpFileName, DWORD attributes)
  68 {
  69     struct stat buf;
  70     DOS_FULL_NAME full_name;
  71
  72     if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name ))
  73         return FALSE;
  74
  75     TRACE("(%s,%lx)\n",lpFileName,attributes);
  76     if (attributes & FILE_ATTRIBUTE_NORMAL) {
  77       attributes &= ~FILE_ATTRIBUTE_NORMAL;
  78       if (attributes)
  79         FIXME("(%s):%lx illegal combination with FILE_ATTRIBUTE_NORMAL.\n",
  80               lpFileName,attributes);
  81     }
  82     if(stat(full_name.long_name,&buf)==-1)
  83     {
  84         SetLastError(ErrnoToLastError(errno));
  85         return FALSE;
  86     }
  87     if (attributes & FILE_ATTRIBUTE_READONLY)
  88     {
  89         buf.st_mode &= ~0222; /* octal!, clear write permission bits */
  90         attributes &= ~FILE_ATTRIBUTE_READONLY;
  91     }
  92     else
  93     {
  94         /* add write permission */
  95         buf.st_mode |= 0600 | ((buf.st_mode & 044) >> 1);
  96     }
  97     if (attributes & FILE_ATTRIBUTE_DIRECTORY)
  98     {
  99         if (!S_ISDIR(buf.st_mode))
 100             FIXME("SetFileAttributes expected the file '%s' to be a directory",
 101                   lpFileName);
 102         attributes &= ~FILE_ATTRIBUTE_DIRECTORY;
 103     }
 104     attributes &= ~(FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 105     if (attributes)
 106         FIXME("(%s):%lx attribute(s) not implemented.\n",
 107               lpFileName,attributes);
 108     if (-1==chmod(full_name.long_name,buf.st_mode))
 109     {
 110         MESSAGE("Wine ERROR: Couldn't set file attributes for existing file \"%s\". Check permissions !\n", full_name.long_name);
 111         SetLastError(ErrnoToLastError(errno));
 112         return FALSE;
 113     }
 114     return TRUE;
 115 }
 116
 117
 118 /**************************************************************************
 119  *              SetFileAttributes32W    (KERNEL32.491)
 120  */
 121 BOOL WINAPI SetFileAttributesW(LPCWSTR lpFileName, DWORD attributes)
 122 {
 123     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
 124     BOOL res = SetFileAttributesA( afn, attributes );
 125     HeapFree( GetProcessHeap(), 0, afn );
 126     return res;
 127 }
 128
 129
 130 /**************************************************************************
 131  *              SetFileApisToOEM   (KERNEL32.645)
 132  */
 133 VOID WINAPI SetFileApisToOEM(void)
 134 {
 135   /*FIXME(file,"(): stub!\n");*/
 136 }
 137
 138
 139 /**************************************************************************
 140  *              SetFileApisToANSI   (KERNEL32.644)
 141  */
 142 VOID WINAPI SetFileApisToANSI(void)
 143 {
 144     /*FIXME(file,"(): stub\n");*/
 145 }
 146
 147
 148 /******************************************************************************
 149  * AreFileApisANSI [KERNEL32.105]  Determines if file functions are using ANSI
 150  *
 151  * RETURNS
 152  *    TRUE:  Set of file functions is using ANSI code page
 153  *    FALSE: Set of file functions is using OEM code page
 154  */
 155 BOOL WINAPI AreFileApisANSI(void)
 156 {
 157     FIXME("(void): stub\n");
 158     return TRUE;
 159 }
 160