Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Message-ID: <004401c3050d$b7177f30$c2020c0a@jbaker1200> From: "Jeff Baker" To: Subject: CompactFlash Disk Geometry Date: Thu, 17 Apr 2003 14:18:15 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3718.0 The following piece of code is trimmed down but shows the basic functionality of getting the geometry of a disk. When I build this code in VC I can get correct values for Removeable Media (SmartMedia, CompactFlash), but when I build it under Cygwin the DISK_GEOMETRY structure is only partially correct. I understand that this might be a problem for a mingw mailing list, but I don't know where such a list might be so I'm starting here first. I've only tested this code on Windows XP and Windows .Net Server 2003 RC2. The code outputs: VC: 15680 1 1 512 Cygwin: 15680 0 1 1 "\\\\.\\F:" in this case is an 8M CompactFlash card in a PCMCIA adapter, in a PCI Ricoh CardBus adapter. #include "windows.h" #include "winioctl.h" int main(void) { HANDLE hnd; DISK_GEOMETRY geo; DWORD rbc=0; hnd = CreateFile("\\\\.\\f:", GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL); if (hnd == INVALID_HANDLE_VALUE) { return 1; } memset(&geo, 0, sizeof(DISK_GEOMETRY)); if(!DeviceIoControl(hnd, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo)+20, &rbc, NULL)) { return GetLastError(); } printf("%d %d %d %d\n", geo.Cylinders, geo.TracksPerCylinder, geo.SectorsPerTrack, geo.BytesPerSector); CloseHandle(hnd); return 0; } -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/