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Diffstat (limited to 'src/udev/udevadm-trigger.c')
-rw-r--r--src/udev/udevadm-trigger.c85
1 files changed, 43 insertions, 42 deletions
diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
index d10ca59cca..3608c35cd0 100644
--- a/src/udev/udevadm-trigger.c
+++ b/src/udev/udevadm-trigger.c
@@ -73,22 +73,41 @@ static const char *keyval(const char *str, const char **val, char *buf, size_t s
return buf;
}
+static void help(void) {
+ printf("Usage: udevadm trigger OPTIONS\n"
+ " -v,--verbose print the list of devices while running\n"
+ " -n,--dry-run do not actually trigger the events\n"
+ " -t,--type= type of events to trigger\n"
+ " devices sys devices (default)\n"
+ " subsystems sys subsystems and drivers\n"
+ " -c,--action=<action> event action value, default is \"change\"\n"
+ " -s,--subsystem-match=<subsystem> trigger devices from a matching subsystem\n"
+ " -S,--subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\n"
+ " -a,--attr-match=<file[=<value>]> trigger devices with a matching attribute\n"
+ " -A,--attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n"
+ " -p,--property-match=<key>=<value> trigger devices with a matching property\n"
+ " -g,--tag-match=<key>=<value> trigger devices with a matching property\n"
+ " -y,--sysname-match=<name> trigger devices with a matching name\n"
+ " -b,--parent-match=<name> trigger devices with that parent device\n"
+ " -h,--help\n\n");
+}
+
static int adm_trigger(struct udev *udev, int argc, char *argv[])
{
static const struct option options[] = {
- { "verbose", no_argument, NULL, 'v' },
- { "dry-run", no_argument, NULL, 'n' },
- { "type", required_argument, NULL, 't' },
- { "action", required_argument, NULL, 'c' },
- { "subsystem-match", required_argument, NULL, 's' },
+ { "verbose", no_argument, NULL, 'v' },
+ { "dry-run", no_argument, NULL, 'n' },
+ { "type", required_argument, NULL, 't' },
+ { "action", required_argument, NULL, 'c' },
+ { "subsystem-match", required_argument, NULL, 's' },
{ "subsystem-nomatch", required_argument, NULL, 'S' },
- { "attr-match", required_argument, NULL, 'a' },
- { "attr-nomatch", required_argument, NULL, 'A' },
- { "property-match", required_argument, NULL, 'p' },
- { "tag-match", required_argument, NULL, 'g' },
- { "sysname-match", required_argument, NULL, 'y' },
- { "parent-match", required_argument, NULL, 'b' },
- { "help", no_argument, NULL, 'h' },
+ { "attr-match", required_argument, NULL, 'a' },
+ { "attr-nomatch", required_argument, NULL, 'A' },
+ { "property-match", required_argument, NULL, 'p' },
+ { "tag-match", required_argument, NULL, 'g' },
+ { "sysname-match", required_argument, NULL, 'y' },
+ { "parent-match", required_argument, NULL, 'b' },
+ { "help", no_argument, NULL, 'h' },
{}
};
enum {
@@ -98,6 +117,7 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
const char *action = "change";
struct udev_enumerate *udev_enumerate;
int rc = 0;
+ int c;
udev_enumerate = udev_enumerate_new(udev);
if (udev_enumerate == NULL) {
@@ -105,23 +125,12 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
goto exit;
}
- for (;;) {
- int option;
+ while ((c = getopt_long(argc, argv, "vno:t:c:s:S:a:A:p:g:y:b:h", options, NULL)) >= 0) {
const char *key;
const char *val;
char buf[UTIL_PATH_SIZE];
- option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL);
- if (option == -1) {
- if (optind < argc) {
- fprintf(stderr, "Extraneous argument: '%s'\n", argv[optind]);
- rc = 1;
- goto exit;
- }
- break;
- }
-
- switch (option) {
+ switch (c) {
case 'v':
verbose = 1;
break;
@@ -194,29 +203,21 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
break;
}
case 'h':
- printf("Usage: udevadm trigger OPTIONS\n"
- " --verbose print the list of devices while running\n"
- " --dry-run do not actually trigger the events\n"
- " --type= type of events to trigger\n"
- " devices sys devices (default)\n"
- " subsystems sys subsystems and drivers\n"
- " --action=<action> event action value, default is \"change\"\n"
- " --subsystem-match=<subsystem> trigger devices from a matching subsystem\n"
- " --subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\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"
- " --tag-match=<key>=<value> trigger devices with a matching property\n"
- " --sysname-match=<name> trigger devices with a matching name\n"
- " --parent-match=<name> trigger devices with that parent device\n"
- " --help\n\n");
+ help();
goto exit;
- default:
+ case '?':
rc = 1;
goto exit;
+ default:
+ assert_not_reached("Unknown option");
}
}
+ if (optind < argc) {
+ fprintf(stderr, "Extraneous argument: '%s'\n", argv[optind]);
+ return 1;
+ }
+
switch (device_type) {
case TYPE_SUBSYSTEMS:
udev_enumerate_scan_subsystems(udev_enumerate);