git.oblomov.eu Git - wine/blob - 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     TRACE("(%p, %u, 0x%08x)\n", Reserved1, Reserved2, Flags);
  57
  58     if (Reserved1 || Reserved2 || Flags & ~SPDSL_IGNORE_DISK)
  59     {
  60         SetLastError(ERROR_INVALID_PARAMETER);
  61         return NULL;
  62     }
  63
  64     rc = GetLogicalDriveStringsW(255,drives);
  65
  66     if (rc == 0)
  67         return NULL;
  68
  69     list = HeapAlloc(GetProcessHeap(),0,sizeof(DISKSPACELIST));
  70
  71     list->dwDriveCount = 0;
  72
  73     ptr = drives;
  74
  75     while (*ptr)
  76     {
  77         DWORD type = GetDriveTypeW(ptr);
  78         if (type == DRIVE_FIXED)
  79         {
  80             DWORD clusters;
  81             DWORD sectors;
  82             DWORD bytes;
  83             DWORD total;
  84             lstrcpyW(list->Drives[list->dwDriveCount].lpzName,ptr);
  85             GetDiskFreeSpaceW(ptr,&sectors,&bytes,&clusters,&total);
  86             list->Drives[list->dwDriveCount].dwFreeSpace = clusters * sectors *
  87                                                            bytes;
  88             list->Drives[list->dwDriveCount].dwWantedSpace = 0;
  89             list->dwDriveCount++;
  90         }
  91        ptr += lstrlenW(ptr) + 1;
  92     }
  93     return list;
  94 }
  95
  96
  97 /***********************************************************************
  98  *              SetupCreateDiskSpaceListA  (SETUPAPI.@)
  99  */
 100 HDSKSPC WINAPI SetupCreateDiskSpaceListA(PVOID Reserved1, DWORD Reserved2, UINT Flags)
 101 {
 102     return SetupCreateDiskSpaceListW( Reserved1, Reserved2, Flags );
 103 }
 104
 105
 106 /***********************************************************************
 107  *              SetupAddInstallSectionToDiskSpaceListA  (SETUPAPI.@)
 108  */
 109 BOOL WINAPI SetupAddInstallSectionToDiskSpaceListA(HDSKSPC DiskSpace,
 110                         HINF InfHandle, HINF LayoutInfHandle,
 111                         LPCSTR SectionName, PVOID Reserved1, UINT Reserved2)
 112 {
 113     FIXME ("Stub\n");
 114     return TRUE;
 115 }
 116
 117 /***********************************************************************
 118 *               SetupQuerySpaceRequiredOnDriveA  (SETUPAPI.@)
 119 */
 120 BOOL WINAPI SetupQuerySpaceRequiredOnDriveA(HDSKSPC DiskSpace,
 121                         LPCSTR DriveSpec, LONGLONG* SpaceRequired,
 122                         PVOID Reserved1, UINT Reserved2)
 123 {
 124     WCHAR driveW[20];
 125     unsigned int i;
 126     LPDISKSPACELIST list = DiskSpace;
 127     BOOL rc = FALSE;
 128     static const WCHAR bkslsh[]= {'\\',0};
 129
 130     MultiByteToWideChar(CP_ACP,0,DriveSpec,-1,driveW,20);
 131
 132     lstrcatW(driveW,bkslsh);
 133
 134     TRACE("Looking for drive %s\n",debugstr_w(driveW));
 135
 136     for (i = 0; i < list->dwDriveCount; i++)
 137     {
 138         TRACE("checking drive %s\n",debugstr_w(list->Drives[i].lpzName));
 139         if (lstrcmpW(driveW,list->Drives[i].lpzName)==0)
 140         {
 141             rc = TRUE;
 142             *SpaceRequired = list->Drives[i].dwWantedSpace;
 143             break;
 144         }
 145     }
 146
 147     return rc;
 148 }
 149
 150 /***********************************************************************
 151 *               SetupDestroyDiskSpaceList  (SETUPAPI.@)
 152 */
 153 BOOL WINAPI SetupDestroyDiskSpaceList(HDSKSPC DiskSpace)
 154 {
 155     LPDISKSPACELIST list = DiskSpace;
 156     HeapFree(GetProcessHeap(),0,list);
 157     return TRUE;
 158 }