Fixed, thanks!
2016-11-09 9:39 GMT+08:00 Bruce Evans <b...@optusnet.com.au>:
> On Tue, 8 Nov 2016, Renato Botelho wrote:
>
> On 8 Nov 2016, at 09:36, Marcelo Araujo <ara...@freebsd.org> wrote:
>>>
>>> Log:
>>> Add -d flag that prints domain only.
>>>
>>> PR: 212875
>>> Submitted by: Ben RUBSON <ben.rub...@gmail.com>
>>> Reviewed by: pi
>>>
>>
> This has many style bugs.
>
>
> Modified:
>>> head/bin/hostname/hostname.1
>>> head/bin/hostname/hostname.c
>>>
>>> Modified: head/bin/hostname/hostname.1
>>> ============================================================
>>> ==================
>>> --- head/bin/hostname/hostname.1 Tue Nov 8 10:10:55 2016
>>> (r308442)
>>> +++ head/bin/hostname/hostname.1 Tue Nov 8 11:36:33 2016
>>> (r308443)
>>> @@ -29,7 +29,7 @@
>>> .\" @(#)hostname.1 8.2 (Berkeley) 4/28/95
>>> .\" $FreeBSD$
>>> .\"
>>> -.Dd December 7, 2006
>>> +.Dd November 9, 2016
>>> .Dt HOSTNAME 1
>>> .Os
>>> .Sh NAME
>>> @@ -37,7 +37,8 @@
>>> .Nd set or print name of current host system
>>> .Sh SYNOPSIS
>>> .Nm
>>> -.Op Fl fs
>>> +.Op Fl f
>>> +.Op Fl s|d
>>> .Op Ar name-of-host
>>> .Sh DESCRIPTION
>>> The
>>> @@ -62,6 +63,8 @@ This is the default behavior.
>>> .It Fl s
>>> Trim off any domain information from the printed
>>> name.
>>> +.It Fl d
>>> +Only print domain information.
>>> .El
>>> .Sh SEE ALSO
>>> .Xr gethostname 3 ,
>>>
>>> Modified: head/bin/hostname/hostname.c
>>> ============================================================
>>> ==================
>>> --- head/bin/hostname/hostname.c Tue Nov 8 10:10:55 2016
>>> (r308442)
>>> +++ head/bin/hostname/hostname.c Tue Nov 8 11:36:33 2016
>>> (r308443)
>>> @@ -54,11 +54,12 @@ static void usage(void) __dead2;
>>> int
>>> main(int argc, char *argv[])
>>> {
>>> - int ch, sflag;
>>> + int ch, sflag, dflag;
>>> char *p, hostname[MAXHOSTNAMELEN];
>>>
>>> sflag = 0;
>>> - while ((ch = getopt(argc, argv, "fs")) != -1)
>>> + dflag = 0;
>>> + while ((ch = getopt(argc, argv, "fsd")) != -1)
>>> switch (ch) {
>>> case 'f':
>>> /*
>>> @@ -70,6 +71,9 @@ main(int argc, char *argv[])
>>> case 's':
>>> sflag = 1;
>>> break;
>>> + case 'd':
>>> + dflag = 1;
>>> + break;
>>> case '?':
>>> default:
>>> usage();
>>> @@ -77,7 +81,7 @@ main(int argc, char *argv[])
>>> argc -= optind;
>>> argv += optind;
>>>
>>> - if (argc > 1)
>>> + if (argc > 1 || (sflag && dflag))
>>> usage();
>>>
>>> if (*argv) {
>>> @@ -90,6 +94,10 @@ main(int argc, char *argv[])
>>> p = strchr(hostname, '.');
>>> if (p != NULL)
>>> *p = '\0';
>>> + } else if (dflag) {
>>> + p = strchr(hostname, '.');
>>> + if (p != NULL)
>>> + strcpy(hostname, ++p);
>>> }
>>> (void)printf("%s\n", hostname);
>>> }
>>> @@ -100,6 +108,6 @@ static void
>>> usage(void)
>>> {
>>>
>>> - (void)fprintf(stderr, "usage: hostname [-fs] [name-of-host]\n");
>>> + (void)fprintf(stderr, "usage: hostname [-f] [s|d]
>>> [name-of-host]\n");
>>>
>>
>>
>> It’s missing ‘-‘ sign on [s|d] block, what makes message a bit confused
>> IMO. Maybe [-s|-d] would be more clear.
>>
>
> Both are wrong.
>
> This is also broken in the man page, where the '|' is literal and
> misformatted. Normal markup would give '[-d | -s]' in the man page, and
> this should be copied to the usage message. Hard-coding the '|' using
> 's|d' gives the different syntax error of a hyphen before the 's'but no
> hyphen before the 's' ('[-s|d]').
>
> The hard-coding has 2 other bugs:
> - missing spaces around '|'
> - d and s are unsorted
>
> d and s are unsorted consistently in about 8 instances in the patch.
>
> The correct order for sorting -f and [-d | -s] in the synopsis and
> usage message is unclear. It would be best to put -f after -d and keep
> -s attached to -d, but with longer options list this takes too much
> space by splitting up the single-letter options.
>
> Bruce
--
--
Marcelo Araujo (__)ara...@freebsd.org
\\\'',)http://www.FreeBSD.org <http://www.freebsd.org/> \/ \ ^
Power To Server. .\. /_)
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