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 BOOL WINAPI ReadFileEx(HFILE hFile, LPVOID lpBuffer, DWORD numtoread,
  39                          LPOVERLAPPED lpOverlapped,
  40                          LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
  41 {
  42
  43     FIXME("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  *              SetFileAttributesA      (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("(%s,%lx)\n",lpFileName,attributes);
  70     if (attributes & FILE_ATTRIBUTE_NORMAL) {
  71       attributes &= ~FILE_ATTRIBUTE_NORMAL;
  72       if (attributes)
  73         FIXME("(%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     if (attributes & FILE_ATTRIBUTE_DIRECTORY)
  92     {
  93         if (!S_ISDIR(buf.st_mode))
  94             FIXME("SetFileAttributes expected the file '%s' to be a directory",
  95                   lpFileName);
  96         attributes &= ~FILE_ATTRIBUTE_DIRECTORY;
  97     }
  98     attributes &= ~(FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
  99     if (attributes)
 100         FIXME("(%s):%lx attribute(s) not implemented.\n",
 101               lpFileName,attributes);
 102     if (-1==chmod(full_name.long_name,buf.st_mode))
 103     {
 104         MESSAGE("Wine ERROR: Couldn't set file attributes for existing file \"%s\". Check permissions !\n", full_name.long_name);
 105         SetLastError(ErrnoToLastError(errno));
 106         return FALSE;
 107     }
 108     return TRUE;
 109 }
 110
 111
 112 /**************************************************************************
 113  *              SetFileAttributesW      (KERNEL32.491)
 114  */
 115 BOOL WINAPI SetFileAttributesW(LPCWSTR lpFileName, DWORD attributes)
 116 {
 117     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
 118     BOOL res = SetFileAttributesA( afn, attributes );
 119     HeapFree( GetProcessHeap(), 0, afn );
 120     return res;
 121 }
 122
 123
 124 /**************************************************************************
 125  *              SetFileApisToOEM   (KERNEL32.645)
 126  */
 127 VOID WINAPI SetFileApisToOEM(void)
 128 {
 129   /*FIXME(file,"(): stub!\n");*/
 130 }
 131
 132
 133 /**************************************************************************
 134  *              SetFileApisToANSI   (KERNEL32.644)
 135  */
 136 VOID WINAPI SetFileApisToANSI(void)
 137 {
 138     /*FIXME(file,"(): stub\n");*/
 139 }
 140
 141
 142 /******************************************************************************
 143  * AreFileApisANSI [KERNEL32.105]  Determines if file functions are using ANSI
 144  *
 145  * RETURNS
 146  *    TRUE:  Set of file functions is using ANSI code page
 147  *    FALSE: Set of file functions is using OEM code page
 148  */
 149 BOOL WINAPI AreFileApisANSI(void)
 150 {
 151     FIXME("(void): stub\n");
 152     return TRUE;
 153 }
 154