Red Hat Training

A Red Hat training course is available for Red Hat Enterprise Linux

function::user_string_n2_quoted


Name

function::user_string_n2_quoted — Retrieves and quotes string from user space

Synopsis

user_string_n2_quoted:string(addr:long,inlen:long,outlen:long)

Arguments

addr
the user space address to retrieve the string from
inlen
the maximum length of the string to read (if not null terminated)
outlen
the maximum length of the output string

Description

Reads up to inlen characters of a C string from the given user space memory address, and returns up to outlen characters, where any ASCII characters that are not printable are replaced by the corresponding escape sequence in the returned string. Note that the string will be surrounded by double quotes. On the rare cases when userspace data is not accessible at the given address, the address itself is returned as a string, without double quotes.