FUNCTION::USER_STRIN

Section: String and data retrieving fun (3stap)
Updated: November 2020
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NAME

function::user_string_n_warn - Retrieves string from user space  

SYNOPSIS

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


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

ARGUMENTS

addr

the user space address to retrieve the string from

n

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

warn_msg

the warning message to return when data isn't available
 

DESCRIPTION

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

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

SEE ALSO

tapset::uconversions(3stap)

 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
SEE ALSO