reactos/drivers/fs/cdfs/misc.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002, 2004 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id: misc.c,v 1.7 2004/05/23 13:27:26 hbirr Exp $
  20  *
  21  * COPYRIGHT:        See COPYING in the top level directory
  22  * PROJECT:          ReactOS kernel
  23  * FILE:             services/fs/cdfs/misc.c
  24  * PURPOSE:          CDROM (ISO 9660) filesystem driver
  25  * PROGRAMMER:       Eric Kohl
  26  * UPDATE HISTORY:
  27  */
  28
  29 /* INCLUDES *****************************************************************/
  30
  31 #include <ddk/ntddk.h>
  32
  33 #define NDEBUG
  34 #include <debug.h>
  35
  36 #include "cdfs.h"
  37
  38
  39 /* FUNCTIONS ****************************************************************/
  40
  41
  42 BOOLEAN
  43 wstrcmpjoki(PWSTR s1,
  44             PWSTR s2)
  45 /*
  46  * FUNCTION: Compare two wide character strings, s2 with jokers (* or ?)
  47  * return TRUE if s1 like s2
  48  */
  49 {
  50   while ((*s2=='*')||(*s2=='?')||(towlower(*s1)==towlower(*s2)))
  51     {
  52       if ((*s1)==0 && (*s2)==0)
  53         return(TRUE);
  54
  55       if(*s2=='*')
  56         {
  57           s2++;
  58           while (*s1)
  59             if (wstrcmpjoki(s1,s2))
  60               return(TRUE);
  61             else
  62               s1++;
  63         }
  64       else
  65         {
  66           s1++;
  67           s2++;
  68         }
  69     }
  70
  71   if ((*s2)=='.')
  72     {
  73       for (;((*s2)=='.')||((*s2)=='*')||((*s2)=='?');s2++)
  74         ;
  75     }
  76
  77   if ((*s1)==0 && (*s2)==0)
  78     return(TRUE);
  79
  80   return(FALSE);
  81 }
  82
  83
  84 VOID
  85 CdfsSwapString(PWCHAR Out,
  86                PUCHAR In,
  87                ULONG Count)
  88 {
  89   PUCHAR t = (PUCHAR)Out;
  90   ULONG i;
  91
  92   for (i = 0; i < Count; i += 2)
  93     {
  94       t[i] = In[i+1];
  95       t[i+1] = In[i];
  96       if (t[i+1] == 0 && t[i] == ';')
  97         break;
  98     }
  99   t[i] = 0;
 100   t[i+1] = 0;
 101 }
 102
 103
 104 VOID
 105 CdfsDateTimeToFileTime(PFCB Fcb,
 106                        TIME *FileTime)
 107 {
 108   TIME_FIELDS TimeFields;
 109
 110   TimeFields.Milliseconds = 0;
 111   TimeFields.Second = Fcb->Entry.Second;
 112   TimeFields.Minute = Fcb->Entry.Minute;
 113   TimeFields.Hour = Fcb->Entry.Hour;
 114
 115   TimeFields.Day = Fcb->Entry.Day;
 116   TimeFields.Month = Fcb->Entry.Month;
 117   TimeFields.Year = Fcb->Entry.Year + 1900;
 118
 119   RtlTimeFieldsToTime(&TimeFields,
 120                       (PLARGE_INTEGER)FileTime);
 121 }
 122
 123
 124 VOID
 125 CdfsFileFlagsToAttributes(PFCB Fcb,
 126                           PULONG FileAttributes)
 127 {
 128   /* FIXME: Fix attributes */
 129
 130   *FileAttributes = // FILE_ATTRIBUTE_READONLY |
 131                     ((Fcb->Entry.FileFlags & FILE_FLAG_HIDDEN) ? FILE_ATTRIBUTE_HIDDEN : 0) |
 132                     ((Fcb->Entry.FileFlags & FILE_FLAG_DIRECTORY) ? FILE_ATTRIBUTE_DIRECTORY : 0) |
 133                     ((Fcb->Entry.FileFlags & FILE_FLAG_SYSTEM) ? FILE_ATTRIBUTE_SYSTEM : 0) |
 134                     ((Fcb->Entry.FileFlags & FILE_FLAG_READONLY) ? FILE_ATTRIBUTE_READONLY : 0);
 135 }
 136
 137 /* EOF */