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	Sun, 03 Dec 2023 09:53:34 -0800 (PST)
Message-ID:	<c9ed7938-131d-4443-8f2c-c0c9f6327e97@gmail.com>
Date:	Sun, 3 Dec 2023 18:53:33 +0100
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Subject:	Re: Maximum path and path element length, Win32 vs Cygwin vs SFU?
To:	cygwin AT cygwin DOT com
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From:	Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

On 03/12/2023 17:45, Cedric Blancher via Cygwin wrote:
> Good evening!
> 
> What is the maximum path length and path element (single file, dirname
> length) in Win32 API, Cygwin APIs on Windows 11, and SFU on Win7?
> 
> There seems to be some confusion, docs cite 256, 260 and 32k, and
> getconf PATH_MAX / returns 4096.
> 
> What is the maximum supported in the Win32 API, what is the maximum
> supported in Cygwin, and what applications and drivers need to expect?
> 
> Ced

for Cygwin look at

/usr/include/limits.h
/usr/include/cygwin/config.h
/usr/include/cygwin/limits.h


$ grep -rH PATH_MAX .
./config.h:#define __FILENAME_MAX__ 4096        /* Keep in sync with 
PATH_MAX in limits.h. */
./limits.h:#define __PATH_MAX 4096

Regards
Marco


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