dlls/setupapi/diskspace.c

   1 /*
   2  * SetupAPI DiskSpace functions
   3  *
   4  * Copyright 2004 CodeWeavers (Aric Stewart)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27 #include "winnls.h"
  28 #include "winreg.h"
  29 #include "setupapi.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  33
  34 typedef struct {
  35     WCHAR   lpzName[20];
  36     LONGLONG dwFreeSpace;
  37     LONGLONG dwWantedSpace;
  38 } DRIVE_ENTRY, *LPDRIVE_ENTRY;
  39
  40 typedef struct {
  41     DWORD   dwDriveCount;
  42     DRIVE_ENTRY Drives[26];
  43 } DISKSPACELIST, *LPDISKSPACELIST;
  44
  45
  46 /***********************************************************************
  47  *              SetupCreateDiskSpaceListW  (SETUPAPI.@)
  48  */
  49 HDSKSPC WINAPI SetupCreateDiskSpaceListW(PVOID Reserved1, DWORD Reserved2, UINT Flags)
  50 {
  51     WCHAR drives[255];
  52     DWORD rc;
  53     WCHAR *ptr;
  54     LPDISKSPACELIST list=NULL;
  55
  56     rc = GetLogicalDriveStringsW(255,drives);
  57
  58     if (rc == 0)
  59         return NULL;
  60
  61     list = HeapAlloc(GetProcessHeap(),0,sizeof(DISKSPACELIST));
  62
  63     list->dwDriveCount = 0;
  64
  65     ptr = drives;
  66
  67     while (*ptr)
  68     {
  69         DWORD type = GetDriveTypeW(ptr);
  70         if (type == DRIVE_FIXED)
  71         {
  72             DWORD clusters;
  73             DWORD sectors;
  74             DWORD bytes;
  75             DWORD total;
  76             lstrcpyW(list->Drives[list->dwDriveCount].lpzName,ptr);
  77             GetDiskFreeSpaceW(ptr,&sectors,&bytes,&clusters,&total);
  78             list->Drives[list->dwDriveCount].dwFreeSpace = clusters * sectors *
  79                                                            bytes;
  80             list->Drives[list->dwDriveCount].dwWantedSpace = 0;
  81             list->dwDriveCount++;
  82         }
  83        ptr += lstrlenW(ptr) + 1;
  84     }
  85     return  (HANDLE)list;
  86 }
  87
  88
  89 /***********************************************************************
  90  *              SetupCreateDiskSpaceListA  (SETUPAPI.@)
  91  */
  92 HDSKSPC WINAPI SetupCreateDiskSpaceListA(PVOID Reserved1, DWORD Reserved2, UINT Flags)
  93 {
  94     return SetupCreateDiskSpaceListW( Reserved1, Reserved2, Flags );
  95 }
  96
  97
  98 /***********************************************************************
  99  *              SetupAddInstallSectionToDiskSpaceListA  (SETUPAPI.@)
 100  */
 101 BOOL WINAPI SetupAddInstallSectionToDiskSpaceListA(HDSKSPC DiskSpace,
 102                         HINF InfHandle, HINF LayoutInfHandle,
 103                         LPCSTR SectionName, PVOID Reserved1, UINT Reserved2)
 104 {
 105     FIXME ("Stub\n");
 106     return TRUE;
 107 }
 108
 109 /***********************************************************************
 110 *               SetupQuerySpaceRequiredOnDriveA  (SETUPAPI.@)
 111 */
 112 BOOL WINAPI SetupQuerySpaceRequiredOnDriveA(HDSKSPC DiskSpace,
 113                         LPCSTR DriveSpec, LONGLONG* SpaceRequired,
 114                         PVOID Reserved1, UINT Reserved2)
 115 {
 116     WCHAR driveW[20];
 117     unsigned int i;
 118     LPDISKSPACELIST list = (LPDISKSPACELIST)DiskSpace;
 119     BOOL rc = FALSE;
 120     static const WCHAR bkslsh[]= {'\\',0};
 121
 122     MultiByteToWideChar(CP_ACP,0,DriveSpec,-1,driveW,20);
 123
 124     lstrcatW(driveW,bkslsh);
 125
 126     TRACE("Looking for drive %s\n",debugstr_w(driveW));
 127
 128     for (i = 0; i < list->dwDriveCount; i++)
 129     {
 130         TRACE("checking drive %s\n",debugstr_w(list->Drives[i].lpzName));
 131         if (lstrcmpW(driveW,list->Drives[i].lpzName)==0)
 132         {
 133             rc = TRUE;
 134             *SpaceRequired = list->Drives[i].dwWantedSpace;
 135             break;
 136         }
 137     }
 138
 139     return rc;
 140 }
 141
 142 /***********************************************************************
 143 *               SetupDestroyDiskSpaceList  (SETUPAPI.@)
 144 */
 145 BOOL WINAPI SetupDestroyDiskSpaceList(HDSKSPC DiskSpace)
 146 {
 147     LPDISKSPACELIST list = (LPDISKSPACELIST)DiskSpace;
 148     HeapFree(GetProcessHeap(),0,list);
 149     return TRUE;
 150 }