kconfq 1.0.0

A portable way to query kernel configuration on a live system
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

// SPDX-FileCopyrightText: © 2026 Nikita Krasnov <nikita.nikita.krasnov@gmail.com>
//
// SPDX-License-Identifier: MIT

//! All possible library errors.

use std::io;

use nix::errno::Errno;
use thiserror::Error;

#[derive(Error, Debug)]
pub enum GetKernelVersionError {
    #[error("uname syscall returned errno {0}")]
    UnameError(Errno),
    #[error("release level of the OS is missing from uname")]
    ReleaseMissingFromUname,
}

#[derive(Error, Debug)]
pub enum LocateConfigError {
    #[error("failed to get linux kernel version")]
    FailedToGetLinuxKernelVersion(#[from] GetKernelVersionError),
}

#[derive(Error, Debug)]
pub enum RequireConfigError {
    #[error("failed to locate config file")]
    FailedToLocate(#[from] LocateConfigError),
    #[error("config file not found")]
    NotFound,
}

#[derive(Error, Debug)]
pub enum IsGzipError {
    #[error("failed to open config file")]
    FailedToOpenFile(io::Error),
    #[error("failed to read magic of the config file")]
    FailedToReadFileMagic(io::Error),
}

#[derive(Error, Debug)]
pub enum GettingConfigReaderError {
    #[error("failed to open config file")]
    FailedToOpenFile(io::Error),
    #[error("failed to check whenever the file is gzip-compressed or not")]
    GzipError(#[from] IsGzipError),
}

#[derive(Debug, Error)]
#[allow(unused)]
pub enum FindLineError {
    #[error("entry \"{0}\" is missing from the config")]
    EntryIsMissing(String),
    #[error("entry name is malformed")]
    MalformedEntryName(#[from] regex::Error),
    #[error("failed to read kernel config file line")]
    FailedToReadConfigLine(#[from] io::Error),
}

#[derive(Debug, Error)]
#[allow(unused)]
pub enum FindValueError {
    #[error(transparent)]
    FailedToFindLine(#[from] FindLineError),
    #[error("failed to parse value from line: \"{0}\"")]
    FailedToParseLine(String),
}