function::user_string2(3) Retrieves string from user space with alternative error string

SYNOPSIS


user_string2:string(addr:long,err_msg:string)

ARGUMENTS

addr

the user space address to retrieve the string from

err_msg

the error message to return when data isn't available

DESCRIPTION

Returns the null terminated C string from a given user space memory address. Reports the given error message on the rare cases when userspace data is not accessible.

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