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Re: Finding the dump

From: Daniel Colascione
Subject: Re: Finding the dump
Date: Sun, 27 Jan 2019 11:27:52 -0800
User-agent: SquirrelMail/1.4.23 [SVN]

> On Jan 27 2019, "Daniel Colascione" <address@hidden> wrote:
>> There's some confusion on this thread. argv[0] *is* reliable
> Nope.  The caller can set argv[0] to any string.  It is in not required
> to be related to the name of the executable in any way.

Sure, but such callers are holding it wrong. If you set argv[0] to some
random string unrelated to Emacs, you break startup. That's fine.

>> every system I've seen. Here's the algorithm: look at argv[0]: if it's
>> not
>> an absolute path, make it absolute by prepending the startup CWD.
> If the executable is found on $PATH then argv[0] is *not* relative to CWD.

In that case, argv[0] will be absolute.

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