DI_DEVLINK_PATH(3DEVINFO)DI_DEVLINK_PATH(3DEVINFO)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_PRI‐
MARY_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(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────┤
│Interface Stability │ Committed │
├────────────────────┼─────────────────┤
│MT-Level │ Safe │
└────────────────────┴─────────────────┘
SEE ALSOdi_devlink_init(3DEVINFO), di_devlink_walk(3DEVINFO), libdevinfo(3LIB),
malloc(3C), attributes(5)
May 15, 2008 DI_DEVLINK_PATH(3DEVINFO)