Hi Kerry,
this will give you file sizes in a portable way in ROOT:
#include <TSystem.h>
FileStat_t s;
gSystem->GetPathInfo("mntExHdd", s)
s.fSize // contains the size
LEE, KERRY T. (JSC-SF) (UHCL) wrote:
>
> Hi Fons,
>
> In the meantime, do you know of a workaround I can use to get the file size?
>
> Thanks
> Kerry
>
> -----Original Message-----
> From: Fons Rademakers
> To: LEE, KERRY T. (JSC-SF) (UHCL)
> Cc: 'roottalk_at_pcroot.cern.ch'; Masaharu Goto; Philippe Canal
> Sent: 5/13/2005 7:29 PM
> Subject: Re: [ROOT] fstream on linuxx8664gcc platform
>
> Hi Kerry,
>
> I see the same problem on my AMD64. Looks like a CINT issue. I'll
> forward
> it to Masa.
>
> Cheers, Fons.
>
>
>
> LEE, KERRY T. (JSC-SF) (UHCL) wrote:
>
>>Dear Root Team,
>>
>>I have transferred some code from a linuxicc platform ROOT version
>
> 4.02/00
>
>>to linuxx8664gcc ROOT version 4.04/02 and it crashed due to incorrect
>>determination of the filesize using fstream. Here is a sample code
>
> that
>
>>reproduces the problem, where you just put a file in ascii format in
>
> place
>
>>of "mntExHdd". The correct filesize in my case is 105bytes.
>>
>>//TestStream.C
>>{
>>TString FileName="mntExHdd";
>>fstream fff(FileName,ios_base::in);
>>if(fff.good()){
>> fff.seekg(0,ios_base::end);
>> int FileSize = fff.tellg();
>> cout<<"FileSize="<<FileSize<<endl;
>> fff.seekg(0,ios_base::beg);
>>}
>>fff.close();
>>}
>>
>>The results from linuxicc
>>
>> *******************************************
>> * *
>> * W E L C O M E to R O O T *
>> * *
>> * Version 4.02/00 17 December 2004 *
>> * *
>> * You are welcome to visit our Web site *
>> * http://root.cern.ch *
>> * *
>> *******************************************
>>
>>FreeType Engine v2.1.3 used to render TrueType fonts.
>>Compiled for linuxicc with thread support.
>>
>>CINT/ROOT C/C++ Interpreter version 5.15.159, Nov 14 2004
>>Type ? for help. Commands must be C++ statements.
>>Enclose multiple statements between { }.
>>root [0] .x TestStream.C
>>FileSize=105
>>
>>
>>The Results from linuxx8664gcc
>>
>> *******************************************
>> * *
>> * W E L C O M E to R O O T *
>> * *
>> * Version 4.04/02 9 May 2005 *
>> * *
>> * You are welcome to visit our Web site *
>> * http://root.cern.ch *
>> * *
>> *******************************************
>>
>>Compiled for linuxx8664gcc with thread support.
>>
>>CINT/ROOT C/C++ Interpreter version 5.15.169, Mar 14 2005
>>Type ? for help. Commands must be C++ statements.
>>Enclose multiple statements between { }.
>>root [0] .x TestStream.C
>>FileSize=7470896
>>
>>
>>
>>
>>Thanks
>>Kerry
>
>
--
Org: CERN, European Laboratory for Particle Physics.
Mail: 1211 Geneve 23, Switzerland
E-Mail: Fons.Rademakers_at_cern.ch Phone: +41 22 7679248
WWW: http://www.rademakers.org/fons/ Fax: +41 22 7679480
Received on Sat May 14 2005 - 09:32:32 MEST