Re: 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

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