Bruce Evans escribió:
On Thu, 21 May 2009, M. Warner Losh wrote:
In message: <20090521110115.ga50...@freebsd.org>
Alexey Dokuchaev <da...@freebsd.org> writes:
: > Given how easy it is to "grep <<errno>> /usr/include/sys/errno.h" or
: > perl -e '$! = <<errno>>; print "$!\n";'
: > I'm not sure of the utility of this tool.
:
: User scripts should not depend on presence of system include files.
: Now, just to mention, Nick's suggestion about dropping extra noise
: actually good one.
There's also internationalization that actually happens too, right?
That doesn't happen with grep..
What about with "man errno". Man pages are slightly more likely to be
present than application (not system) include files, and man should
support localization. It gives more noise than grepping an include
file, but the noise might be signal and can be filtered.
Our man page toolset doesn't really support localization. I haven't done
big investigations but I remember that lack of ISO8859-2 support
prevented us from translating man pages into Hungarian. Beside this, it
isn't a flexible way of listing the error messages there because you
have to explicitly list them or make some magic to generate the man
page. But what if a specific translation changes? What if a new
translation is added? One will have to keep these in sync then. While
retrieving those messages from C code is trivial and no such
considerations are needed, so I vote for the perror utility.
--
Gabor Kovesdan
FreeBSD Volunteer
EMAIL: ga...@freebsd.org .:|:. ga...@kovesdan.org
WEB: http://people.FreeBSD.org/~gabor .:|:. http://kovesdan.org
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