Walks

These are functions which walk up the device chain. More...

Functions
EAPI Eina_Bool	eeze_udev_walk_check_sysattr (const char *syspath, const char *sysattr, const char *value)
	Walks up the device chain starting at syspath, checking each device for sysattr with (optional) value. More...
EAPI const char *	eeze_udev_walk_get_sysattr (const char *syspath, const char *sysattr)
	Walks up the device chain starting at syspath, checking each device for sysattr, and returns the value if found. More...

Detailed Description

These are functions which walk up the device chain.

Function Documentation

eeze_udev_walk_check_sysattr()

EAPI Eina_Bool eeze_udev_walk_check_sysattr	(	const char *	syspath,
		const char *	sysattr,
		const char *	value
	)

Walks up the device chain starting at syspath, checking each device for sysattr with (optional) value.

Parameters

syspath	The /sys/ path of the device to start at, with or without the /sys/
sysattr	The attribute to find
value	OPTIONAL: The value that sysattr should have, or NULL

Returns

If the sysattr (with value) is found, returns TRUE. Else, false.

References EINA_FALSE, and EINA_TRUE.

eeze_udev_walk_get_sysattr()

EAPI const char* eeze_udev_walk_get_sysattr	(	const char *	syspath,
		const char *	sysattr
	)

Walks up the device chain starting at syspath, checking each device for sysattr, and returns the value if found.

Parameters

syspath	The /sys/ path of the device to start at, with or without the /sys/
sysattr	The attribute to find

Returns

The stringshared value of sysattr if found, or NULL

References eina_stringshare_add().