3938f568a2
As udev_monitor struct or friends are now almost independent of udev struct. So, generating these objects without udev struct is reasonable.
36 lines
1 KiB
C
36 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#include "path-util.h"
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#include "string-util.h"
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#include "udevadm-util.h"
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struct udev_device *find_device(struct udev *udev,
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const char *id,
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const char *prefix) {
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assert(id);
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if (prefix && !startswith(id, prefix))
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id = strjoina(prefix, id);
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if (path_startswith(id, "/dev/")) {
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struct stat statbuf;
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char type;
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if (stat(id, &statbuf) < 0)
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return NULL;
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if (S_ISBLK(statbuf.st_mode))
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type = 'b';
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else if (S_ISCHR(statbuf.st_mode))
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type = 'c';
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else
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return NULL;
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return udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
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} else if (path_startswith(id, "/sys/"))
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return udev_device_new_from_syspath(udev, id);
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else
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return NULL;
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}
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