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Date: Mon, 9 Feb 2015 07:21:14 +0300
From: Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <832356081.20150209072114@yandex.ru>
To: Thomas Wolff <towo AT towo DOT net>, cygwin AT cygwin DOT com
Subject: Re: execlp/execvp needs case-correct PATH
In-Reply-To: <54D7EB8E.8070308@towo.net>
References: <54D7EB8E DOT 8070308 AT towo DOT net>
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Greetings, Thomas Wolff!

> With a Windows case sensitive file system (and according mount flags
> for /cygdrive), the PATH does not properly reflect casing of the actual
> directories (e.g. C:\WINDOWS vs. C:\Windows, thanks MS...).

NTFS is a case-insensitive, but case-preserving file system.
I'll leave it up to you to google the implications.

> However, the shell finds programs anyway, like e.g. notepad.
> The exec*p system calls, on the other hand, do not find a program in this
> case as demonstrated by the attached test program.
> This is in contrast to the Linux (and POSIX?) manual page which claims
> „The execlp(), execvp(), and execvpe() functions duplicate the actions
> of the shell in searching for an executable file …“


--
WBR,
Andrey Repin (anrdaemon AT yandex DOT ru) 09.02.2015, <07:20>

Sorry for my terrible english...