From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Wolfgang Jenkner Newsgroups: gmane.emacs.bugs Subject: bug#19874: 25.0.50; encode-time not working as expected Date: Fri, 27 Feb 2015 18:33:47 +0100 Message-ID: <8561an5k8q.fsf@iznogoud.viz> References: <54EE0959.5080901@cs.ucla.edu> <86sidta5ak.fsf@chateau.d.if> <54EED638.8070604@cs.ucla.edu> <85385s94c9.fsf@iznogoud.viz> <54EF5ECD.2030909@cs.ucla.edu> <85mw405whp.fsf@iznogoud.viz> <86a900sbix.fsf@chateau.d.if> <85ioeo5tgf.fsf@iznogoud.viz> <8661aos5ui.fsf@chateau.d.if> <85h9u8rrsb.fsf@iznogoud.viz> <864mq8ar1g.fsf@chateau.d.if> <54F010E7.3040900@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1425058710 9365 80.91.229.3 (27 Feb 2015 17:38:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 27 Feb 2015 17:38:30 +0000 (UTC) Cc: 19874@debbugs.gnu.org, Ashish SHUKLA To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Feb 27 18:38:15 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YROre-0000Rk-6M for geb-bug-gnu-emacs@m.gmane.org; Fri, 27 Feb 2015 18:38:14 +0100 Original-Received: from localhost ([::1]:37869 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YROrd-0004Cg-JB for geb-bug-gnu-emacs@m.gmane.org; Fri, 27 Feb 2015 12:38:13 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YROrW-00044P-1d for bug-gnu-emacs@gnu.org; Fri, 27 Feb 2015 12:38:09 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YROrT-0002cn-8a for bug-gnu-emacs@gnu.org; Fri, 27 Feb 2015 12:38:05 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56569) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YROrT-0002ch-4S for bug-gnu-emacs@gnu.org; Fri, 27 Feb 2015 12:38:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YROrS-0008KP-JW for bug-gnu-emacs@gnu.org; Fri, 27 Feb 2015 12:38:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <86vbj35m3n.fsf@chateau.d.if> Resent-From: Wolfgang Jenkner Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 27 Feb 2015 17:38:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19874 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19874-submit@debbugs.gnu.org id=B19874.142505863931964 (code B ref 19874); Fri, 27 Feb 2015 17:38:02 +0000 Original-Received: (at 19874) by debbugs.gnu.org; 27 Feb 2015 17:37:19 +0000 Original-Received: from localhost ([127.0.0.1]:60167 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YROql-0008JT-6V for submit@debbugs.gnu.org; Fri, 27 Feb 2015 12:37:19 -0500 Original-Received: from b2bfep14.mx.upcmail.net ([62.179.121.59]:44838) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YROqj-0008JF-GE for 19874@debbugs.gnu.org; Fri, 27 Feb 2015 12:37:18 -0500 Original-Received: from edge11.upcmail.net ([192.168.13.81]) by b2bfep14.mx.upcmail.net (InterMail vM.8.01.05.11 201-2260-151-128-20120928) with ESMTP id <20150227173710.BFEB11972.b2bfep14-int.chello.at@edge11.upcmail.net> for <19874@debbugs.gnu.org>; Fri, 27 Feb 2015 18:37:10 +0100 Original-Received: from iznogoud.viz ([91.119.130.1]) by edge11.upcmail.net with edge id xVdA1p00401xFQB0BVdAfe; Fri, 27 Feb 2015 18:37:10 +0100 X-SourceIP: 91.119.130.1 Original-Received: from wolfgang by iznogoud.viz with local (Exim 4.84 (FreeBSD)) (envelope-from ) id 1YROqb-0000QU-Mk; Fri, 27 Feb 2015 18:37:09 +0100 User-Agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/25.0.50 (berkeley-unix) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:99875 Archived-At: On Thu, Feb 26 2015, Paul Eggert wrote: > Emacs's putenv implementation should be portable to any POSIX > platform, but FreeBSD 10.1 getenv+setenv has a bug. The attached > program should work on any POSIX platform, and it does work on > GNU/Linux and on Solaris, but it doesn't work on FreeBSD 10.1. Emacs > has similar code, which apparently also runs afoul of the FreeBSD bug. > > #include > #include > extern char **environ; > char env1[] = "abc=def"; > char *small_environ[] = { env1, 0 }; > int > main (void) > { > environ = small_environ; > if (setenv ("mno", "pqr", 0) != 0) > return perror ("setenv"), 1; > env1[0] = 'x'; > if (! getenv ("xbc")) > return fprintf (stderr, "getenv failed\n"), 1; > return 0; > } IIUC, the standard explicitly permits the FreeBSD behaviour, so the program above does not seem to be conforming: http://pubs.opengroup.org/onlinepubs/9699919799/functions/getenv.html If the application switches to a complete new environment by assigning a new value to environ, this can be detected by getenv(), setenv(), unsetenv(), or putenv() and the implementation can at that point reinitialize based on the new environment. (This may include copying the environment strings into a new array and assigning environ to point to it.)