From 72b7147021a18ea6a045514fa7cad7772c4bb811 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Thu, 27 Jul 2017 00:02:20 +0200 Subject: Windows: use large output buffer for IOCTL_DISK_GET_DRIVE_GEOMETRY_EX calls to avoid failure with disk drivers that don't support returning only sizeof(DISK_GEOMETRY_EX). --- src/ExpandVolume/ExpandVolume.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src/ExpandVolume/ExpandVolume.c') diff --git a/src/ExpandVolume/ExpandVolume.c b/src/ExpandVolume/ExpandVolume.c index 3ed22575..9e9252c3 100644 --- a/src/ExpandVolume/ExpandVolume.c +++ b/src/ExpandVolume/ExpandVolume.c @@ -559,17 +559,17 @@ static int ExpandVolume (HWND hwndDlg, wchar_t *lpszVolume, Password *pVolumePas } else { - DISK_GEOMETRY_EX driveInfo; + BYTE dgBuffer[256]; bResult = DeviceIoControl (dev, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, - &driveInfo, sizeof (driveInfo), &dwResult, NULL); + dgBuffer, sizeof (dgBuffer), &dwResult, NULL); if (!bResult) goto error; - hostSize = driveInfo.DiskSize.QuadPart; + hostSize = ((PDISK_GEOMETRY_EX) dgBuffer)->DiskSize.QuadPart; - HostSectorSize = driveInfo.Geometry.BytesPerSector; + HostSectorSize = ((PDISK_GEOMETRY_EX) dgBuffer)->Geometry.BytesPerSector; } if (hostSize == 0) -- cgit v1.2.3