You may have to register or Login before you can post: click the register link above to proceed. The time now is 03:09. Contact Us - Osr Online Homepage - Top Copyright ©2015, OSR Open Systems Resources, Inc. Sorry if I was unclear. > >I have now tested to compile the IOCTL example in Visual Studio. Buffer addresses for read and write operations should be sector aligned, which means aligned on addresses in memory that are integer multiples of the volume sector size. http://ebprovider.com/createfile-error/createfile-error-code-123.php
Since you have an invalid parameter I strongly suggest you post (to an appropriate ng) a short program that illustrates your problem. -- Nick Keighley Jun 27 '08 #2 P: n/a Marked as answer by garybaus Tuesday, July 27, 2010 11:36 PM Tuesday, July 27, 2010 7:16 PM Reply | Quote All replies 0 Sign in to vote >I consistently get error In addition you do not appear to initalize InpuBuffer with a string but you determine the size of the IOCTL input using strlen(InputBuffer). It is truly as simple as that. see it here
Reply With Quote July 27th, 2010,01:28 PM #13 garybaus View Profile View Forum Posts Junior Member Join Date Jul 2010 Posts 9 Re: CreateFile error 87 Nope, there's one disk and If the code segment below is the actual code in your user mode test application it has a lot of problems. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members For example, if the sector size is 512 bytes, an application can request reads and writes of 512, 1024, 1536, or 2048 bytes, but not of 335, 981, or 7171 bytes.
Although tolerated, even passing an array as a pointer (just OutputBuffer) I consider much ambiguous. /Daniel "Mark Roddy"
DWORD BytesReturned; unsigned char SSID; UCHAR QueryBuffer[sizeof(NDISUIO_QUERY_OID) + sizeof(NDIS_802_11_SSID)]; HANDLE g_hNdisUio= Upcoming OSR Seminars: Writing WDF Drivers I: Core Concepts Lab, Nashua (Amherst), NH 3-7 October, 2016 Writing WDF Drivers II: Advanced Implementation Techniques Lab, Nashua (Amherst), NH 11-14 October, 2016 Kernel Createfile Error 123 Advanced Search Forum Visual C++ & C++ Programming C++ and WinAPI [RESOLVED] CreateFile error 87 If this is your first visit, be sure to check out the FAQ by clicking the
The meaning of the flags is completely different and FILE_GENERIC_READ should better be named FILE_GENERIC_READ_RIGHTS 0 LVL 3 Overall: Level 3 Message Author Comment by:PocketLintPPC2004-06-28 I use AppForge for development Is my teaching attitude wrong? CreateFile pass through, however GetCommState return 0.With GetLastError(), i get the error number 87, which means "ERROR_INVALID_PARAMETER The parameter is incorrect. " I'm sure the serial port works, because i can http://stackoverflow.com/questions/29849418/writefile-fails-with-error-87-the-parameter-is-incorrect-but-works-fine-when-d Unfortunately, I can't get that far.
Jun 27 '08 #4 P: n/a uvbaz On 14 Apr., 19:14, Antoninus Twink
The code is the same so it most be the compiler that are doing something different here. Sending the control code to this newly created file you'll receive error code 87.
Any suggestions? 0 Question by:PocketLintPPC Facebook Twitter LinkedIn Google LVL 86 Best Solution byjkr >>FILE_GENERIC_READ | FILE_GENERIC_WRITE Did you mean 'GENERIC_READ | GENERIC_WRITE' instead? http://ebprovider.com/createfile-error/createfile-error-code-1.php printf ("SetCommState failed with error %d.\n", GetLastError()); return (3); } printf ("Serial port %s successfully reconfigured.\n", pcCommPort); return (0); } I compiled that, and I get d:\lcc\mc71\test>tport Serial port COM1 successfully Best regards Mattias Bergkvist Message 2 of 17 14 May 0804:18 Mark S. It does not result in the error I see. Createfile Error 2
Edwards [email protected] Join Date: Posts To This List: 81 DeviceIoControl always return 87, invalid parameter! All rights reserved. dcb.BaudRate = CBR_57600; // set the baud rate dcb.ByteSize = 8; // data size, xmit, and rcv dcb.Parity = NOPARITY; // no parity bit dcb.StopBits = ONESTOPBIT; // one stop bit useful reference The return value is 87 invalid value.
Featured Post IT, Stop Being Called Into Every Meeting Promoted by Highfive Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able Createfile Error 32 When Trying Set File Time Oracle 11g Reply With Quote July 26th, 2010,03:42 PM #8 VictorN View Profile View Forum Posts Super Moderator Power Poster Join Date Jan 2003 Location Wallisellen (ZH), Switzerland Posts 18,671 Re: CreateFile error File access must be for numbers of bytes that are integer multiples of the volume sector size.
Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders What's New? Good work, Kent 0 LVL 86 Overall: Level 86 C 28 Message Expert Comment by:jkr2004-06-28 >>If both GENERIC_READ and FILE_GENERIC_READ are valid definitions, I would expect them to have compatible The most obvious problem is >that you are using &OutputBuffer and &InputBuffer as parameter >values to DeviceIoControl when you should instead just be using >OutputBuffer and InputBuffer. Createfile Error 32 When Trying Set File Time Oracle Installation The time now is 01:09.
Reply With Quote July 26th, 2010,01:50 PM #4 VictorN View Profile View Forum Posts Super Moderator Power Poster Join Date Jan 2003 Location Wallisellen (ZH), Switzerland Posts 18,671 Re: CreateFile error Since you have an invalid parameter I strongly suggestyou post [snip] > a short program that illustrates your problem. Best regards Mattias Bergkvist Message 6 of 17 14 May 0809:44 Mark S. this page So we cannot set FILE_ALL_ACCESS.
Again, thank you. Next most likely (IMO) is that the driver returned the code when validating the input. When answering a question please: Read the question carefully.