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Convert Windows Error Code To String


See the FormatMessage documentation for details. You have to allocate the memory and get its handle. Reply With Quote May 4th, 2010,09:09 AM #2 hoxsiew View Profile View Forum Posts Elite Member Join Date Feb 2005 Posts 2,160 Re: Convert HRESULT hex error code to string Something The Help, Reset and Close buttons are the last three tags on the form. http://thetechvoice.com/error-code/convert-error-code-to-text-windows.html

The last-error code is maintained on a per-thread basis. It can come from a message table resource in an already-loaded module. Syntax C++ Copy DWORD WINAPI GetLastError(void); Parameters This function has no parameters. If you are using a 64-bit integer, you must use the va_list structure. check that

Getlasterror Codes

message_buffer_cptr is now pointing to the message. You may have to register or Login before you can post: click the register link above to proceed. nTchars = FormatMessage (IOR(IOR(FORMAT_MESSAGE_FROM_SYSTEM, FORMAT_MESSAGE_IGNORE_INSERTS), & FORMAT_MESSAGE_ALLOCATE_BUFFER), & !

It will be scanned for inserts and formatted accordingly.   If neither of these flags is set in dwFlags, then lpSource is ignored. Since the dynamic memory wasn't allocated as a Fortran ALLOCABABLE, we are going to need to deallocate it somehow after use. Thank you! Formatmessagew SaveMySerials - Protect yourself from theft, fire, natural disasters and more by recording your serial numbers My Music To Me - Stream your subsonic music collection to your Sonos wireless system

this to an array of characters. Getlasterror String FORMAT_MESSAGE_IGNORE_INSERTS ! Home Consulting About Talks Open Source Win32 Errors: How to Format GetLastError() Output into Readable Strings November 13, 2013 I’ve been doing a moderate amount of native Win32 C++ programming over It includes some strsafe.h header, that isn't safe at all, it causing a bunch of a compiler errors in winuser.h and winbase.h. –Hi-Angel Aug 12 '14 at 14:55 add a comment|

To better illustrate this, here is a sample code: HRESULT hr = CoInitialize(NULL); if(FAILED(hr)) { //This is what I want to store into a string. //"Failed to Initialize COM. Getlasterror C# Thank you for the tool. Add A Comment Name: URL: Email Address: (not public, used to send notifications on further comments) Comments: Enter the text above, except for the 1st and last character: © 2003 - I created a Gist on Github that shows how we do it and have also included the code below: Discussion, links, and tweets I'm the CTO and co-founder of Petabridge, where

Getlasterror String

We appreciate your feedback. http://www.codeproject.com/Tips/479880/GetLastError-as-std-string FORMAT_MESSAGE_FROM_HMODULE 0x00000800 The lpSource parameter is a module handle containing the message-table resource(s) to search. Getlasterror Codes Program output (gfortran): !Return value from CopyFile = 0 !Return value from GetLastError = 2 !The system cannot find the file specified. Getlasterror Formatmessage lpsource - ignored last_error, & !

Les Neilson Thu, 12/13/2012 - 04:26 I'm not sure but do you need to call getlasterror first then pass that error code into formatmessage? have a peek at these guys The getErrorDescription Function The getErrorDescription function uses the Net helpmsg command to get the error description, if it's available, from the OS. The difference between the two types of values is how the bits for the number are stored in memory: A signed integer uses one of the bits to indicate whether the To quickly enter a new value, press Enter or the spacebar to press the Reset button, which empties the form and places the cursor's focus back to the Error code field. Getlasterror 2

RECURSIVE SUBROUTINE API_Error (locus, no_errorlog) USE kernel32 IMPLICIT NONE INTEGER, INTENT(IN) :: locus INTEGER, INTENT(IN), OPTIONAL :: no_errorlog INTEGER :: lastError INTEGER :: rval lastError = GetLastError() IF (lastError == ERROR_SUCCESS) Why do you put keywords in comments rather than simply using keyword syntax which is at least as clear and combines compiler checking with your comments? Otherwise, it returns the string. check over here nTchars = FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, & !

To obtain an error string for system error codes, use the FormatMessage function. Format_message_ignore_inserts share|improve this answer answered Sep 7 '09 at 0:10 Jonathan Graehl 7,3542335 add a comment| up vote 9 down vote In general, you need to use FormatMessage to convert from a This flag is useful for fetching a message for later formatting.

When something goes wrong inside the Win32 API, some methods will return a system error code directly (such as all of the registry methods) and others will simple return a NULL

For example, if the source string is "%1!*.*s! %4 %5!*s!", the arguments could be, 4, 2, Bill, Bob, 6, Bill (if using the FORMAT_MESSAGE_ARGUMENT_ARRAY flag). Are you a data center professional? However, if you peruse the list of Windows error codes at MSDN, you won't find 2,148,139,061 or 800A0035. Str_elems Get the actual system error code !

If you are defining an error code for your application, set this bit to one. The reason is that sometimes a program or a component will return an error in two parts. How would it modify the pointer? this content If you replaced %5 with %1, the function would try to print a string at address 6 (likely resulting in an access violation).

I am happy preparing for such eventualities. This flag cannot be used with 64-bit integer values. The main benefits of using this function is that it saves you from having to remember the syntax of FormatMessage, and that the memory reserved is tidied up. // Needs Windows lpSource [in, optional] The location of the message definition.

My latest article: Explicating the new C++ standard (C++0x) Do rate the posts you find useful. This format string can be used to ensure the appropriate number of trailing spaces in a message text line. %.A single period. lpBuffer [out] A pointer to a buffer that receives the null-terminated string that specifies the formatted message. Present perfect + last year What will you bring for Thanksgiving?

Windows 10:  LocalFree is not in the modern SDK, so it cannot be used to free the result buffer. This operation shifts the number to the left 16 bits, leaving zeros for the rightmost 16 bits and the value 35 (53 in decimal) in the leftmost 16 bits. In your latest example, Steve, is it safe to assume that if the FormatMessage function fails the associated memory for the message buffer pointer has not been allocated? I do think there is scope for someone to write a book which covers all aspects of using Window API from a FORTRAN environment.

GenerateError.js (written in JScript) attempts to use the FileSystemObject object's GetFile method to retrieve a file object for a nonexistent file. Four read-only tags display the decimal and hex equivalents of the error code, and a read-only