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mkdir and rmdir

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This commit is contained in:
Jeremy Soller 2016-09-28 11:26:49 -06:00
parent a68d5a5237
commit 14d3798a48
2 changed files with 46 additions and 0 deletions
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44
kernel/syscall/fs.rs
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@ -62,6 +62,50 @@ pub fn open(path: &[u8], flags: usize) -> Result<usize> {
}).ok_or(Error::new(EMFILE))
}
/// mkdir syscall
pub fn mkdir(path: &[u8], mode: usize) -> Result<usize> {
let path_canon = {
let contexts = context::contexts();
let context_lock = contexts.current().ok_or(Error::new(ESRCH))?;
let context = context_lock.read();
context.canonicalize(path)
};
let mut parts = path_canon.splitn(2, |&b| b == b':');
let namespace_opt = parts.next();
let reference_opt = parts.next();
let namespace = namespace_opt.ok_or(Error::new(ENOENT))?;
let scheme = {
let schemes = scheme::schemes();
let (_scheme_id, scheme) = schemes.get_name(namespace).ok_or(Error::new(ENOENT))?;
scheme.clone()
};
scheme.mkdir(reference_opt.unwrap_or(b""), mode)
}
/// rmdir syscall
pub fn rmdir(path: &[u8]) -> Result<usize> {
let path_canon = {
let contexts = context::contexts();
let context_lock = contexts.current().ok_or(Error::new(ESRCH))?;
let context = context_lock.read();
context.canonicalize(path)
};
let mut parts = path_canon.splitn(2, |&b| b == b':');
let namespace_opt = parts.next();
let reference_opt = parts.next();
let namespace = namespace_opt.ok_or(Error::new(ENOENT))?;
let scheme = {
let schemes = scheme::schemes();
let (_scheme_id, scheme) = schemes.get_name(namespace).ok_or(Error::new(ENOENT))?;
scheme.clone()
};
scheme.rmdir(reference_opt.unwrap_or(b""))
}
/// Unlink syscall
pub fn unlink(path: &[u8]) -> Result<usize> {
let path_canon = {