function::user_string_n(3stap)

function::user_string_n3stap

Retrieves string of given length from user space

Usage

1) user_string_n:string(addr:long,n:long)
2) user_string_n: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

Overview

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

2) 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.

See ALSO0

tapset::uconversions(3stap)

See ALSO0

tapset::uconversions(3stap)

Releases

8 releases since Debian 6.0 (Squeeze); the text changed 7 times.

  1. 6.0
  2. 7
  3. 8
  4. 9
  5. 10
  6. 11
  7. 12
  8. 13

From systemtap-doc 5.1-5 in Debian 13 (Trixie). Parsed by carta from the page's man source.