diff options
Diffstat (limited to 'src/udev/udevadm-info.c')
| -rw-r--r-- | src/udev/udevadm-info.c | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/src/udev/udevadm-info.c b/src/udev/udevadm-info.c index ce75029f50..c845df7a23 100644 --- a/src/udev/udevadm-info.c +++ b/src/udev/udevadm-info.c @@ -259,6 +259,31 @@ static void cleanup_db(struct udev *udev) { } } +static void help(void) { + + printf("%s info [OPTIONS] [DEVPATH|FILE]\n\n" + "Query sysfs or the udev database.\n\n" + " -h --help Print this message\n" + " --version Print version of the program\n" + " -q --query=TYPE Query device information:\n" + " name Name of device node\n" + " symlink Pointing to node\n" + " path sysfs device path\n" + " property The device properties\n" + " all All values\n" + " -p --path=SYSPATH sysfs device path used for query or attribute walk\n" + " -n --name=NAME Node or symlink name used for query or attribute walk\n" + " -r --root Prepend dev directory to path names\n" + " -a --attribute-walk Print all key matches walking along the chain\n" + " of parent devices\n" + " -d --device-id-of-file=FILE Print major:minor of device containing this file\n" + " -x --export Export key/value pairs\n" + " -P --export-prefix Export the key name with a prefix\n" + " -e --export-db Export the content of the udev database\n" + " -c --cleanup-db Clean up the udev database\n" + , program_invocation_short_name); +} + static int uinfo(struct udev *udev, int argc, char *argv[]) { _cleanup_udev_device_unref_ struct udev_device *device = NULL; bool root = 0; @@ -284,27 +309,6 @@ static int uinfo(struct udev *udev, int argc, char *argv[]) { {} }; - static const char *usage = - "Usage: udevadm info [OPTIONS] [DEVPATH|FILE]\n" - " -q,--query=TYPE query device information:\n" - " name name of device node\n" - " symlink pointing to node\n" - " path sys device path\n" - " property the device properties\n" - " all all values\n" - " -p,--path=SYSPATH sys device path used for query or attribute walk\n" - " -n,--name=NAME node or symlink name used for query or attribute walk\n" - " -r,--root prepend dev directory to path names\n" - " -a,--attribute-walk print all key matches walking along the chain\n" - " of parent devices\n" - " -d,--device-id-of-file=FILE print major:minor of device containing this file\n" - " -x,--export export key/value pairs\n" - " -P,--export-prefix export the key name with a prefix\n" - " -e,--export-db export the content of the udev database\n" - " -c,--cleanup-db cleanup the udev database\n" - " --version print version of the program\n" - " -h,--help print this message\n"; - enum action_type { ACTION_QUERY, ACTION_ATTRIBUTE_WALK, @@ -389,7 +393,7 @@ static int uinfo(struct udev *udev, int argc, char *argv[]) { printf("%s\n", UDEV_VERSION); return 0; case 'h': - printf("%s\n", usage); + help(); return 0; default: return 1; @@ -399,7 +403,7 @@ static int uinfo(struct udev *udev, int argc, char *argv[]) { case ACTION_QUERY: if (!device) { if (!argv[optind]) { - fprintf(stderr, "%s\n", usage); + help(); return 2; } device = find_device(udev, argv[optind], NULL); @@ -490,5 +494,5 @@ static int uinfo(struct udev *udev, int argc, char *argv[]) { const struct udevadm_cmd udevadm_info = { .name = "info", .cmd = uinfo, - .help = "query sysfs or the udev database", + .help = "Query sysfs or the udev database", }; |