[Interest] When is QDir::Drives useful?

[Scott Aron Bloom]

Since  Im no longer sure what this discussion is about... Back to the original question, when is QDir::drives() useful..

Here is code... 
#include <QCoreApplication>
#include <QDir>
#include <QFileInfo>
#include <QDebug>
int main( int argc, char ** argv )
{
    QFileInfoList drives = QDir::drives();
    foreach( const QFileInfo & curr, drives )
    {
        qDebug() << curr.absoluteFilePath();
    }
}


Which when run as a console app returns:
"C:/"
"D:/"
"E:/"
"F:/"
"G:/"


This is on a Win7 machine, running Qt 4.7.4.. However this is the results I have been getting/expecting for years...

So what is the issue?  Are we completely off QDir::Drives?

Scott

-----Original Message-----
From: interest-bounces+scott.bloom=onshorecs.com at qt-project.org [mailto:interest-bounces+scott.bloom=onshorecs.com at qt-project.org] On Behalf Of Nikos Chantziaras
Sent: Monday, July 30, 2012 11:52 PM
To: interest at qt-project.org
Subject: Re: [Interest] When is QDir::Drives useful?

On 31/07/12 09:33, André Somers wrote:
> Op 31-7-2012 8:30, André Somers schreef:
>> Op 31-7-2012 8:20, Nikos Chantziaras schreef:
>>> Nope.  I just tested it under Windows XP and 7.  The contents of "/" 
>>> are the contents of "C:/".  Which makes sense, since Windows 
>>> completely lacks the concept of a single root directory.  So I guess 
>>> the question remains open.
>> Who said that / is the root directory on Windows?
>> Try "", or better yet, the result of QDir::rootPath();

Just tested.  QDir::rootPath() returns "C:\".


> BTW: note that for instance QFileSystemModel uses the same flags, and 
> also can display the windows "root" directory (or My Computer) listing 
> the drives.

"My Computer" is not an existing directory though.  It's a programmatically constructed, uhm, construct.

An alternative way to ask the question is: If you open a command prompt (cmd.exe), where would you have to "cd" into so that "dir" would list drives?

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