Linux Certif

Toute la documentation sur la certification Linux LPI

function::user_string_n2.3stap

NAME

function::user_string_n2 - Retrieves string of given length from user space.

SYNOPSIS

     user_string_n2:string(addr:long,n:long,err_msg:string)
 

ARGUMENTS

addr

The user space address to retrieve the string from.

n

The maximum length of the string (if not null terminated).

err_msg

The error message to return when data isn't available.

GENERAL SYNTAX

user_string_n2:string(addr:long, n:long, err_msg:string)

DESCRIPTION

Returns the C string of a maximum given length from a given user space address. Returns the given error message string on the rare cases when userspace data is not accessible at the given address.