return retval;
}
-/* callback for database dump */
-static int print_record(char *path, struct udevice *dev)
+static int print_record(struct udevice *udev)
{
- printf("P: %s\n", path);
- printf("N: %s\n", dev->name);
- printf("M: %#o\n", dev->mode);
- printf("S: %s\n", dev->symlink);
- printf("O: %s\n", dev->owner);
- printf("G: %s\n", dev->group);
- printf("F: %s\n", dev->config_file);
- printf("L: %i\n", dev->config_line);
- printf("T: %li\n", dev->config_time);
+ printf("P: %s\n", udev->devpath);
+ printf("N: %s\n", udev->name);
+ printf("S: %s\n", udev->symlink);
printf("\n");
return 0;
}
NAME,
PATH,
SYMLINK,
- MODE,
- OWNER,
- GROUP,
ALL
};
struct sysfs_device *sysfs_dev;
struct sysfs_device *sysfs_dev_parent;
int retval = 0;
+ char type;
+
+ type = get_device_type(path, "");
+ dbg("device type is %c", type);
/* get the class dev */
class_dev = sysfs_open_class_device_path(path);
return -1;
}
- /* read the 'dev' file for major/minor*/
- attr = sysfs_get_classdev_attr(class_dev, "dev");
- if (attr == NULL) {
- printf("couldn't get the \"dev\" file\n");
- retval = -1;
- goto exit;
- }
-
printf("\nudevinfo starts with the device the node belongs to and then walks up the\n"
"device chain, to print for every device found, all possibly useful attributes\n"
"in the udev key format.\n"
"Only attributes within one device section may be used together in one rule,\n"
"to match the device for which the node will be created.\n"
"\n");
- printf("device '%s' has major:minor %s", class_dev->path, attr->value);
- sysfs_close_attribute(attr);
+
+ if (type == 'b' || type =='c') {
+ /* read the 'dev' file for major/minor*/
+ attr = sysfs_get_classdev_attr(class_dev, "dev");
+ if (attr == NULL) {
+ printf("couldn't get the \"dev\" file\n");
+ retval = -1;
+ goto exit;
+ }
+ printf("device '%s' has major:minor %s", class_dev->path, attr->value);
+ }
/* open sysfs class device directory and print all attributes */
printf(" looking at class device '%s':\n", class_dev->path);
/* get the device link (if parent exists look here) */
class_dev_parent = sysfs_get_classdev_parent(class_dev);
- if (class_dev_parent != NULL) {
- //sysfs_close_class_device(class_dev);
- class_dev = class_dev_parent;
- }
- sysfs_dev = sysfs_get_classdev_device(class_dev);
+ if (class_dev_parent != NULL)
+ sysfs_dev = sysfs_get_classdev_device(class_dev_parent);
+ else
+ sysfs_dev = sysfs_get_classdev_device(class_dev);
+
if (sysfs_dev != NULL)
printf("follow the class device's \"device\"\n");
if (sysfs_dev_parent == NULL)
break;
- //sysfs_close_device(sysfs_dev);
sysfs_dev = sysfs_dev_parent;
}
- sysfs_close_device(sysfs_dev);
exit:
- //sysfs_close_class_device(class_dev);
+ sysfs_close_class_device(class_dev);
return retval;
}
static const char short_options[] = "adn:p:q:rVh";
int option;
int retval = 1;
- struct udevice dev;
+ struct udevice udev;
int root = 0;
int attributes = 0;
enum query_type query = NONE;
break;
}
- if (strcmp(optarg, "mode") == 0) {
- query = MODE;
- break;
- }
-
- if (strcmp(optarg, "owner") == 0) {
- query = OWNER;
- break;
- }
-
- if (strcmp(optarg, "group") == 0) {
- query = GROUP;
- break;
- }
-
if (strcmp(optarg, "path") == 0) {
query = PATH;
break;
attributes = 1;
break;
- case 'd':
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- exit(2);
- }
- udevdb_call_foreach(print_record);
- udevdb_exit();
- exit(0);
-
case 'V':
printf("udevinfo, version %s\n", UDEV_VERSION);
exit(0);
/* process options */
if (query != NONE) {
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- return -EACCES;
- }
-
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
pos = path;
}
}
- retval = udevdb_get_dev(pos, &dev);
+ memset(&udev, 0x00, sizeof(struct udevice));
+ strfieldcpy(udev.devpath, pos);
+ retval = udevdb_get_dev(&udev);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
if (name[0] != '\0') {
/* remove udev_root if given */
- if (strncmp(name, udev_root, strlen(udev_root)) == 0) {
- pos = name + strlen(udev_root);
+ int len = strlen(udev_root);
+
+ if (strncmp(name, udev_root, len) == 0) {
+ pos = &name[len+1];
} else
pos = name;
- retval = udevdb_get_dev_byname(pos, path, &dev);
+
+ memset(&udev, 0x00, sizeof(struct udevice));
+ strfieldcpy(udev.name, pos);
+ retval = udevdb_get_dev_byname(&udev, pos);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
}
+
goto print;
}
print:
switch(query) {
case NAME:
- if (root)
- strfieldcpy(result, udev_root);
- strfieldcat(result, dev.name);
+ if (root) {
+ snprintf(result, NAME_SIZE-1, "%s/%s", udev_root, udev.name);
+ result[NAME_SIZE-1] = '\0';
+ } else {
+ strfieldcpy(result, udev.name);
+ }
break;
case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
-
- case MODE:
- sprintf(result, "%#o", dev.mode);
- break;
-
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
-
- case OWNER:
- strfieldcpy(result, dev.owner);
+ strfieldcpy(result, udev.symlink);
break;
case PATH:
break;
case ALL:
- print_record(path, &dev);
+ print_record(&udev);
goto exit;
default:
printf("%s\n", result);
exit:
- udevdb_exit();
return retval;
}
" -q TYPE query database for the specified value:\n"
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
- " 'mode' permissions of node\n"
- " 'owner' of node\n"
- " 'group' of node\n"
" 'path' sysfs device path\n"
" 'all' all values\n"
"\n"
"\n"
" -r print udev root\n"
" -a print all SYSFS_attributes along the device chain\n"
- " -d dump whole database\n"
" -V print udev version\n"
" -h print this help text\n"
"\n");
int main(int argc, char *argv[], char *envp[])
{
- int retval;
+ int rc = 0;
main_argv = argv;
main_argc = argc;
- init_logging("udevinfo");
+ logging_init("udevinfo");
/* initialize our configuration */
udev_init_config();
- retval = process_options();
- if (retval != 0)
- exit(1);
- exit(0);
+ rc = process_options();
+
+ logging_close();
+ exit(rc);
}
~ianmdlvl / elogind.git / blobdiff