Crate mount_fstab 

mount-fstab

A 100% type-safe, memory-safe, thread-safe Rust library for parsing, editing, validating, and writing /etc/fstab files.

Implements the official fstab(5) semantics from util-linux, aligned with libmount and glibc parsing behavior.

Quick start

use mount_fstab::Fstab;

let input = "UUID=root / ext4 defaults 0 1\n";
let fstab = Fstab::parse_str(input).unwrap();
assert_eq!(fstab.entries.len(), 1);

Modules

Module	Description
error	Error types for all parsing and validation operations
escape	fstab escape sequence encoding and decoding
fstype	Filesystem type (fstab field 3)
options	Mount options (fstab field 4) with parsing and classification
parse	fstab string and file parsing
spec	Spec/source identifiers (fstab field 1)
types	Core types: Entry, Fstab, MountPoint, EntryBuilder
validate	Semantic validation of fstab entries
write	Display formatting and atomic file writing

Features

• Parse: Full fstab(5) format including all tag types (LABEL, UUID, PARTLABEL, PARTUUID, ID), NFS mounts, escape sequences
• Edit: Add, remove, replace entries with CRUD API
• Validate: Semantic checks matching findmnt --verify
• Serialize: Display formatting with proper escape encoding
• Atomic write: tempfile -> fsync -> rename for safe file updates

Re-exports

pub use error::EntryBuilderError;

pub use error::FsTypeError;

pub use error::FstabError;

pub use error::MountPointError;

pub use error::OptItemError;

pub use error::OptionsError;

pub use error::ParseErrorKind;

pub use error::SpecError;

pub use fstype::FsType;

pub use options::MountPermission;

pub use options::OptItem;

pub use options::OptionClass;

pub use options::Options;

pub use spec::Spec;

pub use types::Entry;

pub use types::EntryBuilder;

pub use types::Fstab;

pub use types::MountPoint;

pub use validate::Diagnostic;

pub use validate::Severity;

Modules

error

Error types for all fstab parsing and validation operations.

escape

fstab escape sequence encoding and decoding.

fstype

Filesystem type — fstab(5) field 3 (fs_vfstype).

options

Mount options — fstab(5) field 4 (fs_mntops).

parse

fstab string and file parsing.

spec

Filesystem source specifiers — fstab(5) field 1.

types

Core fstab types: Entry, Fstab, MountPoint, EntryBuilder.

validate

Semantic validation of fstab entries.

write

fstab serialization and file writing.