From: "Eli Zaretskii" <eliz@elta.co.il>
Cc: bug-gnu-emacs@gnu.org
Subject: Re: possible bug in process.c?
Date: Thu, 15 Jan 2004 10:30:39 +0200 [thread overview]
Message-ID: <5567-Thu15Jan2004103039+0200-eliz@elta.co.il> (raw)
In-Reply-To: <20040114185244.GA17851@mlvezie.org> (message from Michael Vezie on Wed, 14 Jan 2004 13:52:44 -0500)
> Date: Wed, 14 Jan 2004 13:52:44 -0500
> From: Michael Vezie <mlv@pobox.com>
>
> /* If program file name is not absolute, search our path for it */
> if (!IS_DIRECTORY_SEP (XSTRING (program)->data[0])
> && !(XSTRING (program)->size > 1
> && IS_DEVICE_SEP (XSTRING (program)->data[1])))
> {
>
> ... at which point it then processes a relative pathname file (looking through Vexec_path
> for the executable, etc).
>
> Maybe I'm reading this wrong (help me out if I am), but shouldn't that last line there read:
> && !IS_DEVICE_SEP (XSTRING (program)->data[1])))
> note ^
>
> Here's how I read it:
>
> If the first character is not a directory separator ('/' or '\\') and the string is longer than
> 1 and the second character is a device separator (':')... you're checking here if the string denotes
> a relative path. But if the second character is a ':', then it's something like:
>
> c:/fsf/emacs-21.3/bin/cmdproxy.exe
>
> which is an absolute path, and doesn't require looking through Vexec_path.
My reading of that code is:
If the first character is not '/' or '\\' and either the file name
is not longer than 1 character or its second character is not ':',
then it's not an absolute file name.
> In any case, I get an error preceeded by "Searching for program" when I set my SHELL environment
> variable to c:/fsf/emacs-21.3/bin/cmdproxy.exe (it should never search for the program in the path
> with an absolute path like that), and things work fine when I set my SHELL environment variable to
> simply cmdproxy.exe
Could you please see with a debugger whether the code in question is
indeed the one that's misbehaving?
prev parent reply other threads:[~2004-01-15 8:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-14 18:52 possible bug in process.c? Michael Vezie
2004-01-15 8:30 ` Eli Zaretskii [this message]
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