From: Fabrice Popineau <fabrice.popineau@gmail.com>
To: Noam Postavsky <npostavs@users.sourceforge.net>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: Emacs 25.2, win64, env vars
Date: Mon, 12 Jun 2017 06:40:40 +0200 [thread overview]
Message-ID: <CAFgFV9Pv7qTmXmXhNK-f3YSvCMrNRKbj5xtJ_3DyhFO8wfFtng@mail.gmail.com> (raw)
In-Reply-To: <CAM-tV-9o2RBWK=Gvs3cZnSROv=5k69q=aTxg8DjFvoWRhFTuew@mail.gmail.com>
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Hi,
Thanks Noam.
Yes, the case is handled for getenv.
The problem seems to be with setenv.
The following is a possible fix.
diff --git a/lisp/env.el b/lisp/env.el
index 859f280802..c93be80e84 100644
--- a/lisp/env.el
+++ b/lisp/env.el
@@ -105,7 +105,7 @@ setenv-internal
"Set VARIABLE to VALUE in ENV, adding empty entries if KEEP-EMPTY.
Changes ENV by side-effect, and returns its new value."
(let ((pattern (concat "\\`" (regexp-quote variable) "\\(=\\|\\'\\)"))
- (case-fold-search nil)
+ (case-fold-search (memq system-type '(ms-dos windows-nt))
(scan env)
prev found)
;; Handle deletions from the beginning of the list specially.
Fabrice
2017-06-11 23:33 GMT+02:00 Noam Postavsky <npostavs@users.sourceforge.net>:
> On Sun, Jun 11, 2017 at 4:33 PM, Fabrice Popineau
> <fabrice.popineau@gmail.com> wrote:
>
> > AFAIK, environment variables are case insensitive under Windows.
> > So there is something that is not taken care of for the case of case
> > insensitive environment variables.
> > I haven't (yet) been able to find where this magic happens however.
>
> It looks like there is code for it in callproc.c:
>
> static bool
> getenv_internal_1 (const char *var, ptrdiff_t varlen, char **value,
> ptrdiff_t *valuelen, Lisp_Object env)
> {
> for (; CONSP (env); env = XCDR (env))
> {
> Lisp_Object entry = XCAR (env);
> if (STRINGP (entry)
> && SBYTES (entry) >= varlen
> #ifdef WINDOWSNT
> /* NT environment variables are case insensitive. */
> && ! strnicmp (SSDATA (entry), var, varlen)
>
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next prev parent reply other threads:[~2017-06-12 4:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-11 20:33 Emacs 25.2, win64, env vars Fabrice Popineau
2017-06-11 21:33 ` Noam Postavsky
2017-06-12 4:40 ` Fabrice Popineau [this message]
2017-07-10 17:08 ` Eli Zaretskii
2017-07-11 9:17 ` Fabrice Popineau
2017-07-11 14:31 ` Noam Postavsky
2017-07-11 14:43 ` Eli Zaretskii
2017-07-11 16:24 ` Fabrice Popineau
2017-07-11 16:30 ` Eli Zaretskii
2017-07-11 18:48 ` Fabrice Popineau
2017-07-22 7:07 ` Eli Zaretskii
2017-07-22 20:02 ` Fabrice Popineau
2017-07-23 14:48 ` Eli Zaretskii
2017-07-24 20:34 ` Fabrice Popineau
2017-07-24 21:20 ` Noam Postavsky
2017-07-25 14:16 ` Eli Zaretskii
2017-07-27 16:35 ` Fabrice Popineau
2017-07-27 16:48 ` Stefan Monnier
2017-07-27 18:54 ` Óscar Fuentes
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