diff options
Diffstat (limited to 'libudev/libudev-enumerate.c')
| -rw-r--r-- | libudev/libudev-enumerate.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libudev/libudev-enumerate.c b/libudev/libudev-enumerate.c index db8c51404f..96cf060907 100644 --- a/libudev/libudev-enumerate.c +++ b/libudev/libudev-enumerate.c @@ -49,6 +49,7 @@ struct udev_enumerate { struct udev_list_node sysattr_nomatch_list; struct udev_list_node subsystem_match_list; struct udev_list_node subsystem_nomatch_list; + struct udev_list_node sysname_match_list; struct udev_list_node properties_match_list; struct udev_list_node devices_list; struct syspath *devices; @@ -76,6 +77,7 @@ struct udev_enumerate *udev_enumerate_new(struct udev *udev) udev_list_init(&udev_enumerate->sysattr_nomatch_list); udev_list_init(&udev_enumerate->subsystem_match_list); udev_list_init(&udev_enumerate->subsystem_nomatch_list); + udev_list_init(&udev_enumerate->sysname_match_list); udev_list_init(&udev_enumerate->properties_match_list); udev_list_init(&udev_enumerate->devices_list); return udev_enumerate; @@ -117,6 +119,7 @@ void udev_enumerate_unref(struct udev_enumerate *udev_enumerate) udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->sysattr_nomatch_list); udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->subsystem_match_list); udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->subsystem_nomatch_list); + udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->sysname_match_list); udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->properties_match_list); udev_list_cleanup_entries(udev_enumerate->udev, &udev_enumerate->devices_list); for (i = 0; i < udev_enumerate->devices_cur; i++) @@ -383,6 +386,25 @@ int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, con return 0; } +/** + * udev_enumerate_add_match_sysname: + * @udev_enumerate: context + * @sysname: filter for the name of the device to include in the list + * + * Returns: 0 on success, otherwise a negative error value. + */ +int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname) +{ + if (udev_enumerate == NULL) + return -EINVAL; + if (sysname == NULL) + return 0; + if (udev_list_entry_add(udev_enumerate_get_udev(udev_enumerate), + &udev_enumerate->sysname_match_list, sysname, NULL, 1, 0) == NULL) + return -ENOMEM; + return 0; +} + static int match_sysattr(struct udev_enumerate *udev_enumerate, const char *syspath) { struct udev *udev = udev_enumerate_get_udev(udev_enumerate); @@ -454,6 +476,21 @@ out: return match; } +static int match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname) +{ + struct udev_list_entry *list_entry; + + if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL) + return 1; + + udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) { + if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0) + continue; + return 1; + } + return 0; +} + static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir1, const char *subdir2) { @@ -480,6 +517,9 @@ static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate, if (dent->d_name[0] == '.') continue; + if (!match_sysname(udev_enumerate, dent->d_name)) + continue; + util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL); if (lstat(syspath, &statbuf) != 0) continue; |