DI_DEVLINK_PATH(3DEVINFO) Device Information Library Functions

NAME

di_devlink_path, di_devlink_content, di_devlink_type - get devlink
attributes

SYNOPSIS

cc [ flag... ] file... -ldevinfo [ library... ]
#include <libdevinfo.h>

const char *di_devlink_path(di_devlink_t devlink);


const char *di_devlink_content(di_devlink_t devlink);


int di_devlink_type(di_devlink_t devlink);

PARAMETERS

devlink
An opaque handle to a devlink.

DESCRIPTION

These functions return various attributes of a devlink.

RETURN VALUES

The di_devlink_path() function returns the absolute path of a
devlink. On error, NULL is returned and errno is set to indicate the
error.


The di_devlink_content() function returns the content of the symbolic
link represented by devlink. On error, NULL is returned and errno is
set to indicate the error.


The di_devlink_type() function returns the devlink type, either
DI_PRIMARY_LINK or DI_SECONDARY_LINK. On error, -1 is returned and
errno is set to indicate the error.

ERRORS

These functions will fail if:

EINVAL
The devlink argument is invalid.

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Committed |
+--------------------+-----------------+
|MT-Level | Safe |
+--------------------+-----------------+

SEE ALSO

malloc(3C), di_devlink_init(3DEVINFO), di_devlink_walk(3DEVINFO),
libdevinfo(3LIB), attributes(7)

May 15, 2008 DI_DEVLINK_PATH(3DEVINFO)