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systemctl: allow comma sepearted property lists

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-02-16 17:20:28 -05:00
parent 4a6022f01c
commit 033a842c36
2 changed files with 22 additions and 8 deletions
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5
man/systemctl.xml
View File

@ -120,10 +120,9 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
<para>When showing unit/job/manager properties, limit
display to certain properties as specified as argument. If
not specified all set properties are shown. The argument
should be a property name, such as
should be a comma-seperated list of property names, such as
<literal>MainPID</literal>. If specified more than once all
properties with the specified names are
shown.</para>
properties with the specified names are shown.</para>
</listitem>
</varlistentry>

25
src/systemctl/systemctl.c
View File

@ -4394,18 +4394,33 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
log_info("Use -t help to see a list of allowed values.");
return -EINVAL;
case 'p': {
char **l;
char *word, *state;
size_t size;
/* Make sure that if the empty property list
was specified, we won't show any properties. */
const char *source = isempty(optarg) ? " " : optarg;
if (!(l = strv_append(arg_property, optarg)))
return -ENOMEM;
FOREACH_WORD_SEPARATOR(word, size, source, ",", state) {
char _cleanup_free_ *prop;
char **tmp;
strv_free(arg_property);
arg_property = l;
prop = strndup(word, size);
if (!prop)
return -ENOMEM;
tmp = strv_append(arg_property, prop);
if (!tmp)
return -ENOMEM;
strv_free(arg_property);
arg_property = tmp;
}
/* If the user asked for a particular
* property, show it to him, even if it is
* empty. */
arg_all = true;
break;
}