78 lines
1.9 KiB
Rust
78 lines
1.9 KiB
Rust
#![warn(clippy::all, clippy::pedantic)]
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#![allow(clippy::missing_errors_doc)]
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use errno::Errno;
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use sc::syscall;
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use std::{error::Error, ffi::CString};
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mod mntent;
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mod mntentries;
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mod mntflags;
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pub use self::{
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mntent::MntEntry,
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mntentries::MntEntries,
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mntflags::{Flags as MntFlags, ParseFlagsError},
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};
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/// Wraps the Linux `SYS_mount` syscall in a nicer interface
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pub fn mount(
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dev: &str,
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mountpoint: &str,
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fstype: &str,
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flags: u32,
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opts: Option<&str>,
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) -> Result<(), Box<dyn Error>> {
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let ret = unsafe {
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if let Some(opts) = opts {
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syscall!(
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MOUNT,
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CString::new(dev)?.as_ptr(),
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CString::new(mountpoint)?.as_ptr(),
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CString::new(fstype)?.as_ptr(),
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flags as usize,
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CString::new(opts)?.as_ptr()
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)
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} else {
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syscall!(
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MOUNT,
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CString::new(dev)?.as_ptr(),
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CString::new(mountpoint)?.as_ptr(),
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CString::new(fstype)?.as_ptr(),
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flags as usize
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)
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}
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};
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if ret == 0 {
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Ok(())
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} else {
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Err(Errno::from(ret).into())
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}
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}
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pub fn swapon(dev: &str, flags: usize) -> Result<(), Box<dyn Error>> {
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let ret = unsafe { syscall!(SWAPON, CString::new(dev)?.as_ptr(), flags) };
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if ret == 0 {
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Ok(())
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} else {
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Err(Errno::from(ret).into())
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}
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}
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pub fn swapoff(path: &str) -> Result<(), Box<dyn Error>> {
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let ret = unsafe { syscall!(SWAPOFF, CString::new(path)?.as_ptr()) };
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if ret == 0 {
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Ok(())
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} else {
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Err(Errno::from(ret).into())
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}
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}
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pub fn umount(special: &str, flags: u32) -> Result<(), Box<dyn Error>> {
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let ret = unsafe { syscall!(UMOUNT2, CString::new(special)?.as_ptr(), flags) };
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if ret == 0 {
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Ok(())
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} else {
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Err(Errno::from(ret).into())
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}
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}
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