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        Mon, 31 Aug 2015 22:53:08 -0700 (PDT)
From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <150831225304.ZM599@torch.brasslantern.com>
Date: Mon, 31 Aug 2015 22:53:04 -0700
In-Reply-To: <AM2PR03MB0980E6D5549A6ABD3EB9D43BEA6B0@AM2PR03MB0980.eurprd03.prod.outlook.com>
Comments: In reply to Brian Millar <D00144121@student.dkit.ie>
        "Possible Bug" (Aug 31,  9:30pm)
References: <AM2PR03MB0980E6D5549A6ABD3EB9D43BEA6B0@AM2PR03MB0980.eurprd03.prod.outlook.com>
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To: Brian Millar <D00144121@student.dkit.ie>,
        "zsh-workers@zsh.org
 " <zsh-workers@zsh.org>
Subject: Re: Possible Bug
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On Aug 31,  9:30pm, Brian Millar wrote:
}
} This resulted in the file wanted by the set_prompt actually being a
} directory.
} 
} ZSH would crash on start, if I ran it on top of another shell I could
} see the error was "set_prompt:100: fatal error: out of memory".
}
} I traced it and found that the open() syscall ran on the directory,
} the result was passed to lseek() with argument SEEK_END which I don't
} think makes any sense for a directory.

Confirmed this.  Autoloading calls access(..., R_OK) but does not stat()
for plain-file-ness before attempting to open() and load into memory.

On what operating system is this occurring?  lseek() on a directory in
my straces always returns zero.