Systemd/src/udev/udevadm-util.c
Zbigniew Jędrzejewski-Szmek 62a85ee0a9 tree-wide: rename path_join_many() to path_join()
$ git grep -e path_join_many -l|xargs sed -r -i 's/path_join_many/path_join/g'

The two test functions are merged into one.
2018-11-30 10:59:47 +01:00

37 lines
876 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
#include <errno.h>
#include "alloc-util.h"
#include "device-private.h"
#include "path-util.h"
#include "udevadm-util.h"
int find_device(const char *id, const char *prefix, sd_device **ret) {
_cleanup_free_ char *buf = NULL;
assert(id);
assert(ret);
if (prefix && !path_startswith(id, prefix)) {
buf = path_join(prefix, id);
if (!buf)
return -ENOMEM;
id = buf;
}
if (path_startswith(id, "/sys/"))
return sd_device_new_from_syspath(ret, id);
if (path_startswith(id, "/dev/")) {
struct stat st;
if (stat(id, &st) < 0)
return -errno;
return device_new_from_stat_rdev(ret, &st);
}
return -EINVAL;
}