How do I make windows correctly understand Russian characters in directory path and file name

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i am on 64 bit windows 7 (locale is US English)
i have a .bat file whose name is in russian characters. This is inside a folder and again folder name is in Russian .
Now using C++, i want to execute that batch file . What all do in need to do ?
I understand that using wide char strings will help but i found on net that wide char is not same as UNICODE. What will be a good approach here ?
following code works

C++

if( !CreateProcessW( L"E:\\TestFolder\\test.bat",// L"E:\\TestFolder\\процессов.bat";
                                                 //does not work
    NULL,NULL,NULL,
    FALSE,
    0,NULL,NULL,
    &si, &pi )
)
{
    printf( "CreateProcess failed (%d).\n", GetLastError() );
    return 0;
}

Posted 18-Feb-14 0:09am

chandanadhikari

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2 solutions

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KarstenK · Answer 1 · 2014-02-18T01:15:00

Solution 1

use unicode
http://msdn.microsoft.com/en-US/goglobal/cc305144[^]

nd if needed it's nasty conversion routines
http://msdn.microsoft.com/en-us/library/windows/desktop/dd318026(v=vs.85).aspx

Your project can stay english but use the API-functions ending with "W" for processing the unicode strings.

Posted 18-Feb-14 1:15am

KarstenK

Updated 18-Feb-14 2:03am

v2

Comments

chandanadhikari 18-Feb-14 7:53am

thanks for your help. The first link says '... requested page can not be found..."

KarstenK 18-Feb-14 8:04am

corrected :-)

Jochen Arndt · Answer 2 · 2014-02-18T01:33:00

Solution 2

According to the CreateProcess()[^] function in the MSDN, batch files require special handling:

Quote:
To run a batch file, you must start the command interpreter; set lpApplicationName to cmd.exe and set lpCommandLine to the following arguments: /c plus the name of the batch file.

When using the lpCommandLine parameter with the Unicode version, it must be a non const pointer (see the above link).

So you may try this:

C++

wchar_t lpszCmdLine[] = L"/c E:\\TestFolder\\процессов.bat";
if( !CreateProcessW( 
    L"cmd.exe",
    lpszCmdLine,NULL,NULL,
    FALSE,
    0,NULL,NULL,
    &si, &pi )
)

Posted 18-Feb-14 1:33am

Jochen Arndt

Comments

Jochen Arndt 18-Feb-14 8:21am

No!

The TEXT() and _T() macros depend on the Unicode setting of the build. When Unicode is not defined, they pass the content as is. When Unicode is defined, the content is prefixed with 'L'.

When explicitly calling a W or A API function or assigning text to a char / wchar_t variable, the matching text must be passed. When using a non Unicode build and passing a TEXT() or _T() string to a W function or wchar_t variable, the compiler will generate a C2664 type conversion error.

KarstenK 18-Feb-14 8:31am

You are right - I will delete my comment.