use std::error::Error as StdError;
use std::{fmt, io};
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
UnmappedRegion,
InvalidParameter(&'static str),
ProcfsInput(String),
SystemCall(io::Error),
MachCall(libc::c_int),
}
impl fmt::Display for Error {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Error::UnmappedRegion => write!(f, "Queried memory is unmapped"),
Error::InvalidParameter(param) => write!(f, "Invalid parameter value: {}", param),
Error::ProcfsInput(ref input) => write!(f, "Invalid procfs input: {}", input),
Error::SystemCall(ref error) => write!(f, "System call failed: {}", error),
Error::MachCall(code) => write!(f, "macOS kernel call failed: {}", code),
}
}
}
impl StdError for Error {}