diff options
Diffstat (limited to 'zenserver/config.cpp')
| -rw-r--r-- | zenserver/config.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/zenserver/config.cpp b/zenserver/config.cpp index 3e85daa9e..aa61fa5a8 100644 --- a/zenserver/config.cpp +++ b/zenserver/config.cpp @@ -45,6 +45,39 @@ PickDefaultStateDirectory() return myDocumentsDir; } + int CandidateDriveLetterOffset = -1; + ULARGE_INTEGER CandidateDriveSize; + CandidateDriveSize.QuadPart = 0L; + DWORD LogicalDrives = GetLogicalDrives(); + char CandidateDriveName[] = "A:\\"; + for (int DriveLetterOffset = 0; DriveLetterOffset < 32; ++DriveLetterOffset) + { + if ((LogicalDrives & (1 << DriveLetterOffset)) != 0) + { + CandidateDriveName[0] = (char)('A' + DriveLetterOffset); + if (GetDriveTypeA(CandidateDriveName) == DRIVE_FIXED) + { + ULARGE_INTEGER FreeBytesAvailableToCaller; + ULARGE_INTEGER TotalNumberOfBytes; + if (0 != GetDiskFreeSpaceExA(CandidateDriveName, &FreeBytesAvailableToCaller, &TotalNumberOfBytes, nullptr)) + { + if ((FreeBytesAvailableToCaller.QuadPart > 0) && (TotalNumberOfBytes.QuadPart > CandidateDriveSize.QuadPart)) + { + CandidateDriveLetterOffset = DriveLetterOffset; + CandidateDriveSize = TotalNumberOfBytes; + } + } + } + } + } + + if (CandidateDriveLetterOffset >= 0) + { + char RootZenFolderName[] = "A:\\zen"; + RootZenFolderName[0] = (char)('A' + CandidateDriveLetterOffset); + return RootZenFolderName; + } + return L""; } |