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https://github.com/systemd/systemd-stable.git
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b2a21a3547
Here we get the ability to query with the name of the node instead of the device path. It uses a linear search over the whole database. kay@pim:~/src/udev.kay$ ./udev -q path -n video/webcam0 /class/video4linux/video0 New version, with better function return codes for error handling.
23 lines
754 B
C
23 lines
754 B
C
/*
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* udevdb header file
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*/
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#ifndef _UDEVDB_H_
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#define _UDEVDB_H_
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/* Udevdb initialization flags */
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#define UDEVDB_DEFAULT 0 /* defaults database to use file */
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#define UDEVDB_INTERNAL 1 /* don't store db on disk, use in memory */
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/* function prototypes */
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extern void udevdb_exit(void);
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extern int udevdb_init(int init_flag);
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extern int udevdb_open_ro(void);
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extern int udevdb_call_foreach(int (*user_record_handler) (char *path, struct udevice *dev));
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extern int udevdb_add_dev(const char *path, const struct udevice *dev);
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extern int udevdb_get_dev(const char *path, struct udevice *dev);
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extern int udevdb_delete_dev(const char *path);
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extern int udevdb_get_dev_byname(const char *name, char *path, struct udevice *dev);
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#endif /* _UDEVDB_H_ */
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