Re: [Vala] Get CREATION DATE OR TIME of file

[Dev_NIX <devnix code gmail com>]

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2016-01-09 15:25 GMT+01:00 Mario Daniel Ruiz Saavedra <
desiderantes rocketmail com>:

> It's not currently possible to do that on most systems, take a look
> at File creation times [LWN.net]
> |   |
> |   |   |   |   |   |
> | File creation times [LWN.net]By Jonathan Corbet July 26, 2010 Linux
> systems, like the Unix systems that came before, maintain threedifferent
> timestamps for each file.  |
> |  |
> | Ver en lwn.net | Vista previa por Yahoo |
> |  |
> |   |
>
>
>
> Mario Daniel Ruiz Saavedra  Estudiante Ing. Sistemas - Universidad del
> Norte mruizd uninorte edu co - twitter.com/desiderantes -
> joindiaspora.com/u/desiderantes
>
>     El Sábado, 9 de enero, 2016 8:34:17, raum <raum no-log org> escribió:
>
>
>
>  Hi,
>
> Problem between windows and linux API,  probably...
>
> Either you can take a look to one of my project wich worked on linux
>
> https://github.com/Raumy/check_fs
>
> Regards
> Le 9 janv. 2016 10:30, Chris Daley <chebizarro gmail com> a écrit :
> > Hi all,
> >
> > One possible solution to this problem that would be Windows only is to
> > retrieve the file creation date via the Windows API. The following code
> is
> > untested as I am still setting up my Winodws VM but you might be able to
> > try it out in the meantime. You will need to install the Windows SDK if
> you
> > haven't already and I assume you are using mingw. A caveat, I haven't
> used
> > the Windows API in a long time so you may need to double check the
> headers
> > to make sure the function definitions are correct - this is for version
> > 7.0. I'm assuming it's possible, as the parts of the Windows API you
> would
> > be linking to are C libraries and this is more or less how you would do
> it
> > in C# but like I said - this is an untested thought experiment that might
> > be a total NO-OP. The only thing I could find on the internets was from
> the
> > mailing list quite a few years back -
> > http://comments.gmane.org/gmane.comp.programming.vala/2867 - but it does
> > suggest that this is entirely possible.
> >
> > Anyway, the code...
> >
> > // All of this is Windows API definitions which could be put into a
> > separate vapi
> >
> > // The CreateFile flag for reading
> > const int64 GENERIC_READ = 0x80000000;
> >
> > // Contains a 64-bit value representing the number of 100-nanosecond
> > intervals since January 1, 1601 (UTC).
> > struct FileTime {
> >     // The low-order part of the file time.
> >     int64 dwLowDateTime;
> >     // The high-order part of the file time.
> >     int64 dwHighDateTime;
> > }
> >
> > struct SystemTime {
> >    int64 wYear;
> >    int64 wMonth;
> >    int64 wDayOfWeek;
> >    int64 wDay;
> >    int64 wHour;
> >    int64 wMinute;
> >    int64 wSecond;
> >    int64 wMilliseconds;
> > }
> >
> > [CCode(cheader_filename = "WinBase.h ")]
> > public extern bool GetFileTime(void* file_handle,
> >     out lpCreationTime,
> >     out lpLastAccessTime,
> >     out lpLastWriteTime
> > );
> >
> > [CCode(cheader_filename = "WinBase.h ")]
> > public extern void CreateFile(
> >     string lpFileName,
> >     int64 dwDesiredAccess,
> >     int64 dwShareMode,
> >     void* lpSecurityAttributes,
> >     int64 dwCreationDisposition,
> >     int64 dwFlagsAndAttributes,
> >     void* hTemplateFile
> > );
> >
> > [CCode(cheader_filename = "WinBase.h ")]
> > public extern bool FileTimeToSystemTime (FileTime filetime, out
> SystemTime);
> > public static int main (string[] args) {
> >
> >    void* testfile = CreateFile("./test.vala", GENERIC_READ,0, null, 0, 0,
> > null);
> >    FileTime time;
> >    bool success = GetFileTime(testfile,out time, null, null);
> >
> >     if (success) {
> >        SystemTime systime;
> >        FileTimeToSystemTime (time, out systime);
> >        message ("Success: File created on %02d/%02d/%d %02d:%02d",
> > systime.wMonth, systime.wDay, systime.wYear, systime.wHour,
> > systime.wMinute);
> >     } else {
> >       message ("Something went wrong");
> >    }
> > }
> >
> > This would need to be compiled with the right paths set to the Windows
> SDK
> > location and linked against Kernel32.lib.
> >
> > Like I said, it's untested (yet) and I won't have time until next week to
> > look at it again, so caveat emptor. If you're wanting to make a nicer
> > demonstration out of it, you could save the Windows extern functions and
> > struct definitions to a vapi file - like windows.vapi - to make it look
> > less complicated (which it is, compared to the C code that would achieve
> > the same effect).
> >
> > Let me know if you have any success.
> >
> > Cheers
> > Chris
> >
> > 2016-01-08 12:35 GMT-08:00 Edwin De La Cruz <edwinspire gmail com>:
> >
> > > Lametablemente no way? At least not directly using Vala , I understand
> > > what I have read so far.
> > > I keep looking for any option , since it was very important for me to
> > > do in Vala and convince some people that language worth learning ...
> > > I'll keep looking.
> > > Mis proyectos de software libre en:
> > > Github - edwinspire
> > >
> > >
> > > 2016-01-08 9:04 GMT-05:00 Luc Chante <luc chante gmail com>:
> > > > Hi,
> > > >
> > > > You can test le file a attached to this mail.
> > > >
> > > > T
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