- /* 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') {
- retval = udevdb_get_dev(path, &dev);
- if (retval != 0) {
- printf("device not found in database\n");
- goto exit;
- }
- goto print;
- }
-
- if (name[0] != '\0') {
- retval = udevdb_get_dev_byname(name, path, &dev);
- if (retval != 0) {
- printf("device not found in database\n");
- goto exit;
- }
- goto print;
- }
-
- printf("query needs device path(-p) or node name(-n) specified\n");
- goto exit;
-
-print:
- switch(query) {
- case NAME:
- if (root)
- strfieldcpy(result, udev_root);
- strncat(result, dev.name, sizeof(result));
- break;
-
- case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
-
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
-
- case OWNER:
- strfieldcpy(result, dev.owner);
- break;
-
- case PATH:
- strfieldcpy(result, path);
- break;
-
- default:
- goto exit;
- }
- printf("%s\n", result);
-
-exit:
- udevdb_exit();
- return retval;
- }