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udevadm: trigger - add --property-match=<key>:<value>

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This commit is contained in:
Kay Sievers 2009-06-07 02:07:54 +02:00
parent 701a57da31
commit 80381823bc
2 changed files with 35 additions and 17 deletions
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45
udev/udevadm-trigger.c
View File

@ -75,6 +75,20 @@ static int scan_failed(struct udev_enumerate *udev_enumerate)
return 0;
}
static const char *keyval(const char *str, const char **val, char *buf, size_t size)
{
char *pos;
util_strscpy(buf, size,str);
pos = strchr(buf, '=');
if (pos != NULL) {
pos[0] = 0;
pos++;
}
*val = pos;
return buf;
}
int udevadm_trigger(struct udev *udev, int argc, char *argv[])
{
static const struct option options[] = {
@ -87,6 +101,7 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
{ "subsystem-nomatch", required_argument, NULL, 'S' },
{ "attr-match", required_argument, NULL, 'a' },
{ "attr-nomatch", required_argument, NULL, 'A' },
{ "property-match", required_argument, NULL, 'p' },
{ "help", no_argument, NULL, 'h' },
{}
};
@ -108,10 +123,11 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
while (1) {
int option;
char attr[UTIL_PATH_SIZE];
char *val;
const char *key;
const char *val;
char buf[UTIL_PATH_SIZE];
option = getopt_long(argc, argv, "vnFo:t:hce::s:S:a:A:", options, NULL);
option = getopt_long(argc, argv, "vnFo:t:hcp:s:S:a:A:", options, NULL);
if (option == -1)
break;
@ -149,22 +165,16 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg);
break;
case 'a':
util_strscpy(attr, sizeof(attr), optarg);
val = strchr(attr, '=');
if (val != NULL) {
val[0] = 0;
val = &val[1];
}
udev_enumerate_add_match_sysattr(udev_enumerate, attr, val);
key = keyval(optarg, &val, buf, sizeof(buf));
udev_enumerate_add_match_sysattr(udev_enumerate, key, val);
break;
case 'A':
util_strscpy(attr, sizeof(attr), optarg);
val = strchr(attr, '=');
if (val != NULL) {
val[0] = 0;
val = &val[1];
}
udev_enumerate_add_nomatch_sysattr(udev_enumerate, attr, val);
key = keyval(optarg, &val, buf, sizeof(buf));
udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val);
break;
case 'p':
key = keyval(optarg, &val, buf, sizeof(buf));
udev_enumerate_add_match_property(udev_enumerate, key, val);
break;
case 'h':
printf("Usage: udevadm trigger OPTIONS\n"
@ -180,6 +190,7 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
" --subsystem-nomatch=<subsystem> exclude devices from a matching subystem\n"
" --attr-match=<file[=<value>]> trigger devices with a matching attribute\n"
" --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n"
" --property-match=<key>=<value> trigger devices with a matching property\n"
" --help\n\n");
goto exit;
default:

7
udev/udevadm.xml
View File

@ -210,6 +210,13 @@
of the sysfs attribute is checked. This option can be specified multiple times.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--property-match=<replaceable>property</replaceable>=<replaceable>value</replaceable></option></term>
<listitem>
<para>Trigger events for devices with a matching propery value. This option can be
specified multiple times and supports shell style pattern matching.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect2>