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/* SPDX-License-Identifier: GPL-2.0+ */
/*
*
*/
#include "path-util.h"
#include "string-util.h"
#include "udevadm-util.h"
struct udev_device *find_device(struct udev *udev,
const char *id,
const char *prefix) {
assert(udev);
assert(id);
if (prefix && !startswith(id, prefix))
id = strjoina(prefix, id);
if (path_startswith(id, "/dev/")) {
struct stat statbuf;
char type;
if (stat(id, &statbuf) < 0)
return NULL;
if (S_ISBLK(statbuf.st_mode))
type = 'b';
else if (S_ISCHR(statbuf.st_mode))
type = 'c';
else
return NULL;
return udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
} else if (path_startswith(id, "/sys/"))
return udev_device_new_from_syspath(udev, id);
else
return NULL;
}
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