Eeze_Syspath(3)

NAME
Eeze_Syspath - Syspath

 - These are functions which interact with the syspath (/sys/$PATH) of a device.

SYNOPSIS

  Functions
EAPI const char * eeze_udev_devpath_get_syspath (const char *devpath)
Get the syspath of a device from the /dev/ path.
EAPI const char * eeze_udev_syspath_get_parent (const char *syspath)
Find the root device of a device from its syspath.
EAPI Eina_Stringshare * eeze_udev_syspath_get_parent_filtered (const char *syspath, const char *subsystem, const char *devtype)
Find the parent device of a device from its syspath with a filter applied.
EAPI Eina_List * eeze_udev_syspath_get_parents (const char *syspath)
Returns a list of all parent device syspaths for syspath.
EAPI const char * eeze_udev_syspath_get_devpath (const char *syspath)
Get the /dev/ path from the /sys/ path.
EAPI const char * eeze_udev_syspath_get_devname (const char *syspath)
Get the /dev/ name from the /sys/ path.
EAPI const char * eeze_udev_syspath_get_subsystem (const char *syspath)
Get the subsystem of a device from the /sys/ path.
EAPI Eina_Bool eeze_udev_syspath_check_property (const char *syspath, const char *property, const char *value)
Check the property value of a device from the /sys/ path against a provided value.
EAPI const char * eeze_udev_syspath_get_property (const char *syspath, const char *property)
Get the property value of a device from the /sys/ path.
EAPI const char * eeze_udev_syspath_get_sysattr (const char *syspath, const char *sysattr)
Get the sysattr value of a device from the /sys/ path.
EAPI Eina_Bool eeze_udev_syspath_check_sysattr (const char *syspath, const char *sysattr, const char *value)
Check the sysattr value of a device from the /sys/ path against a provided value.
EAPI Eina_Bool eeze_udev_syspath_set_sysattr (const char *syspath, const char *sysattr, double value)
Set the sysattr value of a device from the /sys/ path.
EAPI Eina_List * eeze_udev_syspath_get_sysattr_list (const char *syspath)
Get the sysattr list of a device from the /sys/ path.
EAPI Eina_Bool eeze_udev_syspath_is_mouse (const char *syspath)
Checks whether the device is a mouse.
EAPI Eina_Bool eeze_udev_syspath_is_kbd (const char *syspath)
Checks whether the device is a keyboard.
EAPI Eina_Bool eeze_udev_syspath_is_touchpad (const char *syspath)
Checks whether the device is a touchpad.
EAPI Eina_Bool eeze_udev_syspath_is_joystick (const char *syspath)
Checks whether the device is a joystick.
EAPI int eeze_udev_syspath_get_sysnum (const char *syspath)
Get the sysnum value of a device from the /sys/ path.

Detailed Description

These are functions which interact with the syspath (/sys/$PATH) of a device.

Function Documentation

  EAPI const char* eeze_udev_devpath_get_syspath (const char * devpath)

Get the syspath of a device from the /dev/ path.

Parameters
    devpath The /dev/ path of the device

Returns
    A stringshared char* which corresponds to the /sys/ path of the device or NULL on failure

Takes '/dev/path' and returns the corresponding /sys/ path (without the '/sys/')

References eina_stringshare_add().

Referenced by eeze_disk_new(), and eeze_disk_new_from_mount().

  EAPI const char* eeze_udev_syspath_get_parent (const char * syspath)

Find the root device of a device from its syspath.

Parameters
    syspath The syspath of a device, with or without '/sys/'

Returns
    The syspath of the parent device

Return a stringshared syspath (/sys/$syspath) for the parent device.

References eina_stringshare_add().

  EAPI Eina_Stringshare* eeze_udev_syspath_get_parent_filtered (const char * syspath, const char * subsystem, const char * devtype)

Find the parent device of a device from its syspath with a filter applied.

Parameters
    syspath The syspath of a device, with or without '/sys/'
    subsystem The desired subsystem of the parent device
    devtype The desired device type of the parent device

Returns
    The syspath of the parent device

Return a stringshared syspath (/sys/$syspath) for the parent device if one exists which matches the filter.

Since
    1.10

References EINA_SAFETY_ON_NULL_RETURN_VAL, and eina_stringshare_add().

Referenced by ecore_drm_device_find().

  EAPI Eina_List* eeze_udev_syspath_get_parents (const char * syspath)

Returns a list of all parent device syspaths for syspath.

Parameters
    syspath The device to find parents of

Returns
    A stringshared list of the parent devices of syspath

References eina_list_append(), and eina_stringshare_add().

  EAPI const char* eeze_udev_syspath_get_devpath (const char * syspath)

Get the /dev/ path from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    A stringshared char* with the /dev/ path or NULL on failure

Takes /sys/$PATH and turns it into the corresponding '/dev/x/y'.

References eina_stringshare_add().

Referenced by ecore_drm_device_find().

  EAPI const char* eeze_udev_syspath_get_devname (const char * syspath)

Get the /dev/ name from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    A stringshared char* of the device name without the /dev/ path, or NULL on failure

Takes /sys/$PATH and turns it into the corresponding /dev/x/'y'.

References eina_stringshare_add().

  EAPI const char* eeze_udev_syspath_get_subsystem (const char * syspath)

Get the subsystem of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    A stringshared char* with the subsystem of the device or NULL on failure

Takes /sys/$PATH and returns the corresponding device subsystem, such as 'input' for keyboards/mice.

References eina_stringshare_add().

  EAPI Eina_Bool eeze_udev_syspath_check_property (const char * syspath, const char * property, const char * value)

Check the property value of a device from the /sys/ path against a provided value.

Parameters
    syspath The /sys/ path with or without the /sys/
    property The property to check; full list of these is a FIXME
    value The value to check the property against

Returns
    EINA_TRUE if the property matches the supplied value

Since
    1.10

References EINA_FALSE.

  EAPI const char* eeze_udev_syspath_get_property (const char * syspath, const char * property)

Get the property value of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/
    property The property to get; full list of these is a FIXME

Returns
    A stringshared char* with the property or NULL on failure

References eina_stringshare_add().

Referenced by ecore_drm_device_find(), and ecore_drm_inputs_device_axis_size_set().

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

Get the sysattr value of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/
    sysattr The sysattr to get; full list of these is a FIXME

Returns
    A stringshared char* with the sysattr or NULL on failure

References eina_stringshare_add().

Referenced by ecore_drm_device_find().

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

Check the sysattr value of a device from the /sys/ path against a provided value.

Parameters
    syspath The /sys/ path with or without the /sys/
    sysattr The sysattr to check; full list of these is a FIXME
    value The value to check the property against

Returns
    EINA_TRUE if the sysattr matches the supplied value

Since
    1.10

References EINA_FALSE.

  EAPI Eina_Bool eeze_udev_syspath_set_sysattr (const char * syspath, const char * sysattr, double value)

Set the sysattr value of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/
    sysattr The sysattr to set;
    value The value of sysattr to be set

Returns
    EINA_TRUE if the sysattr value is set

Since
    1.12

References EINA_FALSE, and EINA_TRUE.

  EAPI Eina_List* eeze_udev_syspath_get_sysattr_list (const char * syspath)

Get the sysattr list of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    Eina_list containing list of sysattr for a device or NULL on failure

Since
    1.12

References eina_list_append(), and eina_stringshare_add().

  EAPI Eina_Bool eeze_udev_syspath_is_mouse (const char * syspath)

Checks whether the device is a mouse.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    If true, the device is a mouse

References EINA_FALSE, and EINA_TRUE.

  EAPI Eina_Bool eeze_udev_syspath_is_kbd (const char * syspath)

Checks whether the device is a keyboard.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    If true, the device is a keyboard

References EINA_FALSE, and EINA_TRUE.

  EAPI Eina_Bool eeze_udev_syspath_is_touchpad (const char * syspath)

Checks whether the device is a touchpad.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    If true, the device is a touchpad

References EINA_FALSE, and EINA_TRUE.

  EAPI Eina_Bool eeze_udev_syspath_is_joystick (const char * syspath)

Checks whether the device is a joystick.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    If true, the device is a joystick

Since
    1.7

References EINA_FALSE, and EINA_TRUE.

  EAPI int eeze_udev_syspath_get_sysnum (const char * syspath)

Get the sysnum value of a device from the /sys/ path.

Parameters
    syspath The /sys/ path with or without the /sys/

Returns
    A integer with the sysnum or -1 on failure

Since
    1.12

Referenced by ecore_drm_device_find().

Author

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