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Date: Fri, 30 Nov 2012 15:27:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [RFA/mingw32] environment variables are case-insensitive on win32
In-reply-to: <20121130140844.GF2768@adacore.com>
To: Jerome Guitton <guitton@adacore.com>
Cc: gdb-patches@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83y5hjt8ll.fsf@gnu.org>
References: <1354282597-22691-1-git-send-email-guitton@adacore.com> <834nk7urs0.fsf@gnu.org> <20121130140844.GF2768@adacore.com>
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> Date: Fri, 30 Nov 2012 15:08:44 +0100
> From: Jerome Guitton <guitton@adacore.com>
> Cc: gdb-patches@sourceware.org
> 
> Eli Zaretskii (eliz@gnu.org):
> 
> > Thanks.  But why did you exclude Cygwin?
> 
> Cygwin seems to be case-sensitive:
> 
> guitton@kerel ~
> $ export FooBar=Bar
> 
> guitton@kerel ~
> $ export FooBAR=BAR
> 
> guitton@kerel ~
> $ echo $FooBar
> Bar
> 
> guitton@kerel ~
> $ echo $FooBAR
> BAR

This is Bash, not Cygwin.  What happens if you define an environment
variable outside of a Cygwin program, and then use getenv in a Cygwin
program with different letter-case?