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Re: [libvirt] [PATCH] Be more clever and verbose about localization-initialization.

I'd argue _for_ starting up libvirtd in case of errorous LC_* info. Since it is not a
user-facing application but a system daemon, I think the impact of wrong language
is small, but the benefit of having the daemon starting realiably is quite high.

To explain my case as example: I sshed into a server from a weirdly configured
desktop that had LC_MESSAGE set to de_DE and ran my script. Even though I
set LANG=C there, the daemon would fail. Once I found out, I unset LC_*, but it
still failed since tmux/bash "reinherited" the LC_*-stuff from ssh for some reason.
It was a mess to debug and in the end I had to unset the env variables on the
exec line that I passed on... :-(

Anyways, in case you prefer only the verbose error, I attached a "verbose only"
version, without the fallback part.


P.S. I hope OWA behaves better than HTC's email-app yesterday.
Von: Daniel P. Berrange [berrange redhat com]
Gesendet: Montag, 7. Oktober 2013 18:24
An: Fuchs, Andreas
Cc: libvir-list redhat com
Betreff: Re: [libvirt] [PATCH] Be more clever and verbose about localization-initialization.

On Mon, Oct 07, 2013 at 06:09:21PM +0200, andreas fuchs sit fraunhofer de wrote:
> I should have been more specific. If e.g. an LC_MESSAGE is
> set that cannot be found it returns "initialization failed"
> and nothing more... See the bug report.Spent >1h this morning
> trying to get some demonstrator running... So I thought rather
> share it...

You mean if it is set to a language code which is invalid ?

I think that should just print a suitable error message
and then exit, rather than just switching to C locale

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From fd9ccbb917794cc20e358bbbac9b55fd549f55dd Mon Sep 17 00:00:00 2001
From: Andreas Fuchs <andreas fuchs sit fraunhofer de>
Date: Mon, 7 Oct 2013 16:07:07 +0200
Subject: [PATCH] Be more verbose about textdomain-initialization.

Currently libvirt fails with an uninformative error message if no translations are found.

* If bindtextdomain fails due to missing language files, report the exact error without translation attempt.


Signed-off-by: Andreas Fuchs <andreas fuchs sit fraunhofer de>
 daemon/libvirtd.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/daemon/libvirtd.c b/daemon/libvirtd.c
index 99c0342..5e8db0e 100644
--- a/daemon/libvirtd.c
+++ b/daemon/libvirtd.c
@@ -1133,8 +1133,12 @@ int main(int argc, char **argv) {
     if (setlocale(LC_ALL, "") == NULL ||
         bindtextdomain(PACKAGE, LOCALEDIR) == NULL ||
-        textdomain(PACKAGE) == NULL ||
-        virInitialize() < 0) {
+        textdomain(PACKAGE) == NULL) {
+        fprintf(stderr, "%s: localization initialization failed\n", argv[0]);
+        exit(EXIT_FAILURE);
+    }
+    if (virInitialize() < 0) {
         fprintf(stderr, _("%s: initialization failed\n"), argv[0]);

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