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Date: Wed, 7 Nov 2001 14:09:33 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: 1.3.4: error in inheriting new PATH environment form WIN32 executable to cygwin executable
Message-ID: <20011107140933.A5259@redhat.com>
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References: <OF4C6A95E3 DOT F945D816-ONC1256AFD DOT 0048D132 AT lossburg DOT arburg DOT com>
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On Wed, Nov 07, 2001 at 02:33:08PM +0100, Heiko_Elger AT arburg DOT com wrote:
>Hello,
>
>I have the following problem:
>
>If a MS WIN 32 program changes his environment PATH variable to a very long
>value (over 270 characters) and than calling a CYGWIN program per system() call
>the path inside the CYGWIN program is reset to NULL! If it calls a MS WIN 32
>program all works fine.
>
>We have this problem with clearmake in exporting a very long path and the shell
>is the CYGWIN sh.exe.
>
>I tried to reproduce it within a very small test.
>I wrote two small programs (belwo you wil find the sourcecode):
>   changeenv.c --> MS WIN 32 program which change his PATH environment and calls
>per system() the program "printpath"
>   printpath.c   --> prints the PATH environment to stdout

Cygwin expects path spec components will be no more than MAX_PATH in length.
MAX_PATH == 260.  This is a Microsoft constant.

cgf

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