function::user_string_n_warn.3stap

Langue: en

Autres versions - même langue

Version: August 2010 (fedora - 01/12/10)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

function::user_string_n_warn - Retrieves string from user space.

SYNOPSIS

     user_string_n_warn:string(addr:long,n:long)

ARGUMENTS

addr

The user space address to retrieve the string from.

n

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

GENERAL SYNTAX

user_string_n_warn:string(addr:long, n:long)

DESCRIPTION

Returns up to n characters of a C string from a given user space memory address. Reports lq<unknown>rq on the rare cases when userspace data is not accessible and warns (but does not abort) about the failure.