Re: pg_basebackup for streaming base backups

Excerpts from Magnus Hagander's message of mar ene 18 08:40:50 -0300 2011:
> On Tue, Jan 18, 2011 at 10:49, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:

> > +                                       fprintf(stderr, _("%s: could not write to file '%s': %m\n"),
> >
> > %m in fprintf is portable?
>
> Hmm. I just assumed it was because we use it elsewhere, but I now see
> we only really use it for ereport() stuff. Bottom line is, I don't
> know - perhaps it needs to be changed to use strerror()?

Some libc's (such as glibc) know about %m, others presumably don't (it's
a GNU extension, according to my manpage). ereport does the expansion
by itself, see expand_fmt_string(). Probably just using strerror() is
the easiest.

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Álvaro Herrera <alvherre(at)commandprompt(dot)com>
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