From:	Shields AT cmpu DOT net (Tom Shields)
Subject:	Re: B20.1: setvbuf implementation incorrect for <mode> == _IONBF
18 Jan 1999 04:11:32 -0800 :
Message-ID:	<36A2A9CA.CC422FD2.cygnus.gnu-win32@CMPU.NET>
References:	<36A2A7AD DOT 895AFF80 AT CMPU DOT NET>
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To:	gnu-win32 AT cygnus DOT com

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Well, I'm not exactly sure what the problem was with my test app,
since it was apparently cratering in the C run-time startup code
prior to reaching main() - but not under gdb, which was what was
confusing me. I guess the gdb environment is "cleaner" than raw
windoze.

Anyway. I noticed that some of the standard utilities were also
behaving in weird manners, so I re-built the distributed from
scratch (including running configure), and now everything works
just fine. Chalk it up to perturbations created by debugging
the original problem with setvbuf()!

Tom Shields

Christopher G. Faylor (cgf AT cygnus DOT com)  wrote:
> 
> >I rebuilt b20.1, and put cygwin1.dll in my test app's directory
> >(PATH includes ".") for verification, but I'm experiencing wierd
> >behavior now: my test app craters immediately with another
> >STATUS_ACCESS_VIOLATION if I run it from the bash command line
> >(as opposed to cratering at the end of execution with the fclose),
> >but if I run the test app under gdb it works perfectly now (no
> >STATUS_ACCESS_VIOLATION in the fclose)!
> >
> >Can someone explain what is going on? I'm hesitant to install
> >the rebuilt b20.1 environment due to this strange behavior.
> 
> It's difficult to explain without knowing exactly where your test app is
> "cratering".  Is this a problem for all of your applications or is it
> only the ones which use _IONBF?
> --
> cgf AT cygnus DOT com
> http://www.cygnus.com/
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