CreateFile failing with error code 3

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I have following code:

C++

hFile = CreateFile(stTmp, GENERIC_WRITE | GENERIC_READ, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
    DWORD err = GetLastError();
    return 0;
}

Here stTmp is "%allusersprofile%\853.log" in Createfile

it is giveing error code 3 (File path not found)

Can any one help why I am getting this error?

Posted 18-Dec-12 2:53am

debdipta_ghosh

Updated 18-Dec-12 3:06am

Jochen Arndt

v2

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Espen Harlinn · Accepted Answer · 2012-12-18T02:57:00

Solution 1

Call ExpandEnvironmentStrings[^] to expand '%allusersprofile%' to whatever it's set to in the environment.

Best regards
Espen Harlinn

Posted 18-Dec-12 2:57am

Espen Harlinn

Comments

Sergey Alexandrovich Kryukov 29-Dec-12 20:55pm

A 5,
-SA

Espen Harlinn 30-Dec-12 5:25am

Thank you, Sergey :-D

André Kraak · Accepted Answer · 2012-12-18T02:59:00

Solution 2

The '%allusersprofile%' environment variable is not resolved by the CreateFile[^] function.

Use the getenv[^] function to retrieve the environment variable and add the file name to it before using it in the CreateFile function.

Posted 18-Dec-12 2:59am

André Kraak

Comments

Espen Harlinn 18-Dec-12 9:04am

Beat you to it, but it is correct so you've been 5'ed :-D

André Kraak 18-Dec-12 9:13am

Thanks, gave one (or five actually) back. :)

Espen Harlinn 18-Dec-12 9:14am

Thank you, André :-D