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Diffstat (limited to 'udev/udevadm-info.c')
-rw-r--r--udev/udevadm-info.c209
1 files changed, 96 insertions, 113 deletions
diff --git a/udev/udevadm-info.c b/udev/udevadm-info.c
index dbcaaffcdb..6a0425769f 100644
--- a/udev/udevadm-info.c
+++ b/udev/udevadm-info.c
@@ -126,127 +126,43 @@ static int print_device_chain(struct udev_device *device)
return 0;
}
-static int print_record_devlinks_cb(struct udev_device *device, const char *value, void *data)
-{
- size_t len;
-
- len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
- printf("S: %s\n", &value[len+1]);
- return 0;
-}
-
-static int print_record_properties_cb(struct udev_device *device, const char *key, const char *value, void *data)
-{
- printf("E: %s=%s\n", key, value);
- return 0;
-}
-
static void print_record(struct udev_device *device)
{
size_t len;
int i;
+ struct udev_list *list;
printf("P: %s\n", udev_device_get_devpath(device));
+
len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
printf("N: %s\n", &udev_device_get_devnode(device)[len+1]);
+
i = device_get_devlink_priority(device);
if (i != 0)
printf("L: %i\n", i);
+
i = device_get_num_fake_partitions(device);
if (i != 0)
printf("A:%u\n", i);
+
i = device_get_ignore_remove(device);
if (i != 0)
printf("R:%u\n", i);
- udev_device_get_devlinks(device, print_record_devlinks_cb, NULL);
- udev_device_get_properties(device, print_record_properties_cb, NULL);
- printf("\n");
-}
-static int export_all_cb(struct udev_device *device, void *data)
-{
- if (udev_device_get_devnode(device) != NULL)
- print_record(device);
- return 0;
-}
-
-static struct udev_device *lookup_device_by_name(struct udev *udev, const char *name)
-{
- struct udev_device *udev_device = NULL;
- LIST_HEAD(name_list);
- int count;
- struct name_entry *device;
-
- count = udev_db_get_devices_by_name(udev, name, &name_list);
- if (count <= 0)
- goto out;
-
- info(udev, "found %i devices for '%s'\n", count, name);
-
- /* select the device that matches */
- list_for_each_entry(device, &name_list, node) {
- struct udevice *udevice_loop;
- char filename[UTIL_PATH_SIZE];
- struct stat statbuf;
-
- udevice_loop = udev_device_init(udev);
- if (udevice_loop == NULL)
- break;
- if (udev_db_get_device(udevice_loop, device->name) != 0)
- goto next;
- info(udev, "found db entry '%s'\n", device->name);
- /* make sure, we don't get a link of a different device */
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, name, sizeof(filename));
- if (stat(filename, &statbuf) != 0)
- goto next;
- if (major(udevice_loop->devt) > 0 && udevice_loop->devt != statbuf.st_rdev) {
- info(udev, "skip '%s', dev_t doesn't match\n", udevice_loop->name);
- goto next;
- }
- util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
- util_strlcat(filename, udevice_loop->dev->devpath, sizeof(filename));
- udev_device = udev_device_new_from_syspath(udev, filename);
- udev_device_cleanup(udevice_loop);
- break;
-next:
- udev_device_cleanup(udevice_loop);
+ list = udev_device_get_devlinks_list(device);
+ while (list != NULL) {
+ len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+ printf("S: %s\n", &udev_list_get_name(list)[len+1]);
+ list = udev_list_get_next(list);
}
-out:
- name_list_cleanup(udev, &name_list);
- return udev_device;
-}
-
-static int add_devlink_cb(struct udev_device *device, const char *value, void *data)
-{
- char **links = data;
- if (*links == NULL) {
- *links = strdup(value);
- } else {
- char *str;
-
- asprintf(&str, "%s %s", *links, value);
- free(*links);
- *links = str;
+ list = udev_device_get_properties_list(device);
+ while (list != NULL) {
+ printf("E: %s=%s\n", udev_list_get_name(list), udev_list_get_value(list));
+ list = udev_list_get_next(list);
}
- return 0;
-}
-
-static int add_devlink_noroot_cb(struct udev_device *device, const char *value, void *data)
-{
- size_t len;
-
- len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
- value = &value[len+1];
- return add_devlink_cb(device, value, data);
-}
-static int print_property_cb(struct udev_device *device, const char *key, const char *value, void *data)
-{
- printf("%s=%s\n", key, value);
- return 0;
+ printf("\n");
}
static int stat_device(const char *name, int export, const char *prefix)
@@ -268,6 +184,30 @@ static int stat_device(const char *name, int export, const char *prefix)
return 0;
}
+static int export_devices(struct udev *udev)
+{
+ struct udev_enumerate *enumerate;
+ struct udev_list *list;
+
+ enumerate = udev_enumerate_new_from_subsystems(udev, NULL);
+ if (enumerate == NULL)
+ return -1;
+ list = udev_enumerate_get_devices_list(enumerate);
+ while (list != NULL) {
+ struct udev_device *device;
+
+ device = udev_device_new_from_syspath(udev, udev_list_get_name(list));
+ if (device != NULL) {
+ if (udev_device_get_devnode(device) != NULL)
+ print_record(device);
+ udev_device_unref(device);
+ }
+ list = udev_list_get_next(list);
+ }
+ udev_enumerate_unref(enumerate);
+ return 0;
+}
+
int udevadm_info(struct udev *udev, int argc, char *argv[])
{
struct udev_device *device = NULL;
@@ -276,7 +216,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
const char *export_prefix = NULL;
char path[UTIL_PATH_SIZE];
char name[UTIL_PATH_SIZE];
- char *links;
+ struct udev_list *list;
int rc = 0;
static const struct option options[] = {
@@ -313,6 +253,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
while (1) {
int option;
+ struct stat statbuf;
option = getopt_long(argc, argv, "aed:n:p:q:rxPVh", options, NULL);
if (option == -1)
@@ -327,12 +268,37 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
goto exit;
}
/* remove /dev if given */
- if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) == 0)
- util_strlcpy(name, &optarg[strlen(udev_get_dev_path(udev))+1], sizeof(name));
- else
+ if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0) {
+ util_strlcpy(name, udev_get_dev_path(udev), sizeof(name));
+ util_strlcat(name, "/", sizeof(name));
+ util_strlcat(name, optarg, sizeof(name));
+ } else {
util_strlcpy(name, optarg, sizeof(name));
+ }
util_remove_trailing_chars(name, '/');
- device = lookup_device_by_name(udev, name);
+ if (stat(name, &statbuf) < 0) {
+ fprintf(stderr, "device node not found\n");
+ rc = 2;
+ goto exit;
+ } else {
+ char type;
+
+ if (S_ISBLK(statbuf.st_mode)) {
+ type = 'b';
+ } else if (S_ISCHR(statbuf.st_mode)) {
+ type = 'c';
+ } else {
+ fprintf(stderr, "device node has wrong file type\n");
+ rc = 2;
+ goto exit;
+ }
+ device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
+ if (device == NULL) {
+ fprintf(stderr, "device node not found\n");
+ rc = 2;
+ goto exit;
+ }
+ }
break;
case 'p':
if (device != NULL) {
@@ -349,6 +315,11 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
}
util_remove_trailing_chars(path, '/');
device = udev_device_new_from_syspath(udev, path);
+ if (device == NULL) {
+ fprintf(stderr, "device path not found\n");
+ rc = 2;
+ goto exit;
+ }
break;
case 'q':
action = ACTION_QUERY;
@@ -388,7 +359,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
action = ACTION_ATTRIBUTE_WALK;
break;
case 'e':
- udev_enumerate_devices(udev, NULL, export_all_cb, NULL);
+ export_devices(udev);
goto exit;
case 'x':
export = 1;
@@ -445,19 +416,31 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
}
break;
case QUERY_SYMLINK:
- links = NULL;
- if (root)
- udev_device_get_devlinks(device, add_devlink_cb, &links);
- else
- udev_device_get_devlinks(device, add_devlink_noroot_cb, &links);
- printf("%s\n", links);
- free(links);
+ list = udev_device_get_devlinks_list(device);
+ while (list != NULL) {
+ if (root) {
+ printf("%s", udev_list_get_name(list));
+ } else {
+ size_t len;
+
+ len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+ printf("%s", &udev_list_get_name(list)[len+1]);
+ }
+ list = udev_list_get_next(list);
+ if (list != NULL)
+ printf(" ");
+ }
+ printf("\n");
break;
case QUERY_PATH:
printf("%s\n", udev_device_get_devpath(device));
goto exit;
case QUERY_ENV:
- udev_device_get_properties(device, print_property_cb, NULL);
+ list = udev_device_get_properties_list(device);
+ while (list != NULL) {
+ printf("%s=%s\n", udev_list_get_name(list), udev_list_get_value(list));
+ list = udev_list_get_next(list);
+ }
break;
case QUERY_ALL:
print_record(device);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 16:53:08 +0000