* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include <ctype.h>
-#include <stdarg.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>
#include <getopt.h>
#include <fcntl.h>
#include <sys/stat.h>
-#include <sys/types.h>
#include "udev.h"
#include "udev-util.h"
+#include "udevadm-util.h"
-static bool skip_attribute(const char *name)
-{
+static bool skip_attribute(const char *name) {
static const char* const skip[] = {
"uevent",
"dev",
return false;
}
-static void print_all_attributes(struct udev_device *device, const char *key)
-{
+static void print_all_attributes(struct udev_device *device, const char *key) {
struct udev_list_entry *sysattr;
udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
printf("\n");
}
-static int print_device_chain(struct udev_device *device)
-{
+static int print_device_chain(struct udev_device *device) {
struct udev_device *device_parent;
const char *str;
return 0;
}
-static void print_record(struct udev_device *device)
-{
+static void print_record(struct udev_device *device) {
const char *str;
int i;
struct udev_list_entry *list_entry;
printf("\n");
}
-static int stat_device(const char *name, bool export, const char *prefix)
-{
+static int stat_device(const char *name, bool export, const char *prefix) {
struct stat statbuf;
if (stat(name, &statbuf) != 0)
if (export) {
if (prefix == NULL)
prefix = "INFO_";
- printf("%sMAJOR=%d\n"
- "%sMINOR=%d\n",
+ printf("%sMAJOR=%u\n"
+ "%sMINOR=%u\n",
prefix, major(statbuf.st_dev),
prefix, minor(statbuf.st_dev));
} else
- printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
+ printf("%u:%u\n", major(statbuf.st_dev), minor(statbuf.st_dev));
return 0;
}
-static int export_devices(struct udev *udev)
-{
+static int export_devices(struct udev *udev) {
struct udev_enumerate *udev_enumerate;
struct udev_list_entry *list_entry;
return 0;
}
-static void cleanup_dir(DIR *dir, mode_t mask, int depth)
-{
+static void cleanup_dir(DIR *dir, mode_t mask, int depth) {
struct dirent *dent;
if (depth <= 0)
}
}
-static void cleanup_db(struct udev *udev)
-{
+static void cleanup_db(struct udev *udev) {
DIR *dir;
unlink("/run/udev/queue.bin");
}
}
-static struct udev_device *find_device(struct udev *udev, const char *id, const char *prefix)
-{
- char name[UTIL_PATH_SIZE];
-
- if (prefix && !startswith(id, prefix)) {
- strscpyl(name, sizeof(name), prefix, id, NULL);
- id = name;
- }
-
- if (startswith(id, "/dev/")) {
- struct stat statbuf;
- char type;
-
- if (stat(id, &statbuf) < 0)
- return NULL;
-
- if (S_ISBLK(statbuf.st_mode))
- type = 'b';
- else if (S_ISCHR(statbuf.st_mode))
- type = 'c';
- else
- return NULL;
-
- return udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
- } else if (startswith(id, "/sys/"))
- return udev_device_new_from_syspath(udev, id);
- else
- return NULL;
+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[])
-{
+static int uinfo(struct udev *udev, int argc, char *argv[]) {
_cleanup_udev_device_unref_ struct udev_device *device = NULL;
bool root = 0;
bool export = 0;
{}
};
- 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,
printf("%s\n", VERSION);
return 0;
case 'h':
- printf("%s\n", usage);
+ help();
return 0;
default:
return 1;
case ACTION_QUERY:
if (!device) {
if (!argv[optind]) {
- fprintf(stderr, "%s\n", usage);
+ help();
return 2;
}
device = find_device(udev, argv[optind], NULL);
const struct udevadm_cmd udevadm_info = {
.name = "info",
.cmd = uinfo,
- .help = "query sysfs or the udev database",
+ .help = "Query sysfs or the udev database",
};
~ianmdlvl / elogind.git / blobdiff