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)
