attribute.c File Reference

Detailed Description

Attribute handling functions.

Functions
int	attr_name_to_bitnum (const char *att_name)
	EXPORT_SERVER_CMD_HANDLER (lsatt)
int	attr_get_defined_mask (uint64_t *result)
	EXPORT_SERVER_CMD_HANDLER (addatt)
	EXPORT_SERVER_CMD_HANDLER (mvatt)
	EXPORT_SERVER_CMD_HANDLER (rmatt)
int	attr_get_max_bitnum (void)
int	attr_bitmap_to_text (uint64_t *atts, char **text)

Enumerations
enum	attribute_table_columns { ATTCOL_BITNUM, ATTCOL_NAME, NUM_ATT_COLUMNS }

Variables
const struct afs_table_operations	attr_ops

Function Documentation

attr_name_to_bitnum()

int attr_name_to_bitnum

(

const char *

att_name

)

Retrieve the bit number of the named attribute.

Parameters

att_name

The name of the attribute.

Returns

The attribute number of success, negative on errors.

Referenced by mp_is_set().

EXPORT_SERVER_CMD_HANDLER() [1/4]

EXPORT_SERVER_CMD_HANDLER

(

lsatt

)

attr_get_defined_mask()

int attr_get_defined_mask

(

uint64_t *

result

)

Compute the mask of all bits which correspond to a defined attribute.

Parameters

result

The bitmask is returned here.

Returns

Standard.

Referenced by aft_check_callback().

EXPORT_SERVER_CMD_HANDLER() [2/4]

EXPORT_SERVER_CMD_HANDLER

(

addatt

)

EXPORT_SERVER_CMD_HANDLER() [3/4]

EXPORT_SERVER_CMD_HANDLER

(

mvatt

)

EXPORT_SERVER_CMD_HANDLER() [4/4]

EXPORT_SERVER_CMD_HANDLER

(

rmatt

)

attr_get_max_bitnum()

int attr_get_max_bitnum

(

void

)

Get the highest bit number that is associated with an attribute.

Returns

On success, a number between 0 and 63 is returned. If no attributes are defined, the function returns -E_NO_ATTRIBUTES.

attr_bitmap_to_text()

int attr_bitmap_to_text	(	uint64_t *	atts,
		char **	text
	)

Get a string containing the set attributes in text form.

Parameters

atts	The attribute bitmap.
text	Result pointer.

If more than one bit is set in the given bitmap, the corresponding attribute names are separated by space characters.

Returns

Negative on errors. On success, a reference to the allocated memory is returned via the text pointer argument. It is no error if no attributes are set. In this case an empty string is allocated.

Enumeration Type Documentation

attribute_table_columns

enum attribute_table_columns

The columns of the attribute table.

Enumerator
ATTCOL_BITNUM	The bit number (0-63).
ATTCOL_NAME	The name of the attribute.
NUM_ATT_COLUMNS	Number of columns in this table.

Variable Documentation

attr_ops

const struct afs_table_operations attr_ops

The attribute table stores name/bitnum pairs.