function::user_string2 (3stap)

Retrieves string from user space with alternative error string

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  4. function::user_string2: Retrieves string from user space with alternative error string
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  4. function::user_string2: 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.