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To: cygwin AT cygwin DOT com
From: "Alex Vinokur" <alexvn AT connect DOT to>
Subject: Re: g++ iostream broken on windows 2000
Date: Tue, 16 Sep 2003 06:49:21 +0300
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References: <20030915234312 DOT 66294 DOT qmail AT web40708 DOT mail DOT yahoo DOT com>
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"Vijay Kumar" <janjanam AT yahoo DOT com> wrote in message news:20030915234312 DOT 66294 DOT qmail AT web40708 DOT mail DOT yahoo DOT com...
> Hi all,
>
> I have upgraded to the latest cygwin this morning and
> I can not anymore run my programs that use ifstream to
> read input files. It crashes giving segmentation
> fault. When I ran strace, I found that the actually
> fails in mmap.cc complaining STATUS_ACCESS_VIOLATION.
>
> Here's the simple code I ran. Anybody have any clues?
> Interestingly the following programs works fine with
> -mno-cygwin option which unfortunaty I can not use for
> my application.
>
> # include <iostream>
> # include <fstream>

using namespace std;     // must be for g++ 3.x; otherwise you should use not 'cout' but 'std::cout', etc.

>
> int main(int argc, char *argv[])
> {
>    char ch;
>
>    if (argc < 2)
>    {
>       cout << "Usage: a.out file_name" << endl;
>    }
>
>    ifstream is(argv[1], ios::in);
>
>    while (! is.eof())
>    {
>        is.get(ch);
>        cout << ch;
>    }
>    is.close();
>
>    return 0;
> }
>
> Thanks,
> - Vijay
>
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