#include "libudev-private.h"
#include "../udev.h"
-ssize_t util_get_sys_subsystem(struct udev *udev, const char *devpath, char *subsystem, size_t size)
+static ssize_t get_sys_link(struct udev *udev, const char *slink, const char *devpath, char *subsystem, size_t size)
{
char path[PATH_SIZE];
ssize_t len;
strlcpy(path, udev_get_sys_path(udev), sizeof(path));
strlcat(path, devpath, sizeof(path));
- strlcat(path, "/subsystem", sizeof(path));
+ strlcat(path, "/", sizeof(path));
+ strlcat(path, slink, sizeof(path));
len = readlink(path, path, sizeof(path));
if (len < 0 || len >= (ssize_t) sizeof(path))
return -1;
pos = &pos[1];
return strlcpy(subsystem, pos, size);
}
+
+ssize_t util_get_sys_subsystem(struct udev *udev, const char *devpath, char *subsystem, size_t size)
+{
+ return get_sys_link(udev, "subsystem", devpath, subsystem, size);
+}
+
+ssize_t util_get_sys_driver(struct udev *udev, const char *devpath, char *driver, size_t size)
+{
+ return get_sys_link(udev, "driver", devpath, driver, size);
+}
+