thanks for the really good explanation of this Martin I'm going to open a
report with debian and talk to the author about this.
---
TS
http://www.southofheaven.org/
Life begins and ends with chaos, live between the chaos!
On 2013-11-01, at 5:15 AM, Martin Costabel <costa...@wanadoo.fr> wrote:
> On 1/11/13 02:10, TheSin wrote:
>> shouldn't get text have a fallback or maybe we should create one, this type
>> of thing is going to cause issue all over, and setting it to N or not
>> translate isn't really a good solution. Maybe get text needs to have a
>> fallback added to it instead?
>
> I don't think we can do much about the behavior of gettext. As long as it
> uses the CoreFoundation framework, it will not be "async-signal safe", so it
> must not be used in the child process after a 'fork' and before 'exec'. This
> is documented in many places.
>
> After reading some of the docs, I find it rather astonishing that dpkg did
> not crash before. That it crashes when LANG is unset is less surprising than
> that it does not crash when LANG is set and that it waited until OSX 10.8 or
> 10.9 to show the crash, but understanding what the precise mechanism of the
> crash is would require a deep understanding of CoreFoundation's innards.
>
> I think that these are real programming errors in dpkg and tar. They should
> not use any '_("")' type strings in the child process after 'fork'. If they
> really want to transmit localized messages as parameters to some function in
> the child process, they should evaluate the string *before* the 'fork' and
> transmit a variable to the function, like so:
>
> --- dpkg-deb/extract.c~ 2013-11-01 11:28:21.000000000 +0100
> +++ dpkg-deb/extract.c 2013-11-01 11:30:51.000000000 +0100
> @@ -244,5 +244,7 @@
> m_pipe(p1);
> + char* failedtowrite = _("failed to write to pipe in copy");
> if (!(c1= m_fork())) {
> close(p1[0]);
> - stream_fd_copy(ar, p1[1], memberlen, _("failed to write to pipe in
> copy"));
> + stream_fd_copy(ar, p1[1], memberlen, failedtowrite);
> if (close(p1[1]) == EOF) ohshite(_("failed to close pipe in copy"));
>
> --
> Martin
>
>
>
>
>
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