systemconfiguration/
error.rs1use std::{error::Error, fmt};
2
3use crate::{bridge, ffi};
4
5pub type Result<T> = std::result::Result<T, SystemConfigurationError>;
7
8#[derive(Clone, Debug, Eq, PartialEq)]
9pub struct SystemConfigurationError {
11 pub function: &'static str,
13 pub code: i32,
15 pub message: String,
17}
18
19impl SystemConfigurationError {
20 pub(crate) fn new(function: &'static str, code: i32, message: impl Into<String>) -> Self {
21 Self {
22 function,
23 code,
24 message: message.into(),
25 }
26 }
27
28 pub(crate) fn last(function: &'static str) -> Self {
29 let code = unsafe { ffi::core::sc_last_error_code() };
30 let message = bridge::take_optional_string(unsafe { ffi::core::sc_last_error_message() })
31 .unwrap_or_else(|| format!("SystemConfiguration returned error code {code}"));
32 Self::new(function, code, message)
33 }
34
35 pub(crate) fn null(function: &'static str, message: impl Into<String>) -> Self {
36 Self::new(function, 0, message)
37 }
38}
39
40impl fmt::Display for SystemConfigurationError {
41 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
42 write!(
43 f,
44 "{} failed (code {}): {}",
45 self.function, self.code, self.message
46 )
47 }
48}
49
50impl Error for SystemConfigurationError {}