Struct std::fs::Permissions 1.0.0
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pub struct Permissions(_);
Representation of the various permissions on a file.
This module only currently provides one bit of information, readonly,
which is exposed on all currently supported platforms. Unix-specific
functionality, such as mode bits, is available through the
os::unix::PermissionsExt trait.
Methods
impl Permissions[src]
pub fn readonly(&self) -> bool[src]
Returns whether these permissions describe a readonly (unwritable) file.
Examples
use std::fs::File; let mut f = File::create("foo.txt")?; let metadata = f.metadata()?; assert_eq!(false, metadata.permissions().readonly());Run
pub fn set_readonly(&mut self, readonly: bool)[src]
Modifies the readonly flag for this set of permissions. If the
readonly argument is true, using the resulting Permission will
update file permissions to forbid writing. Conversely, if it's false,
using the resulting Permission will update file permissions to allow
writing.
This operation does not modify the filesystem. To modify the
filesystem use the fs::set_permissions function.
Examples
use std::fs::File; let f = File::create("foo.txt")?; let metadata = f.metadata()?; let mut permissions = metadata.permissions(); permissions.set_readonly(true); // filesystem doesn't change assert_eq!(false, metadata.permissions().readonly()); // just this particular `permissions`. assert_eq!(true, permissions.readonly());Run
Trait Implementations
impl Clone for Permissions[src]
fn clone(&self) -> Permissions[src]
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)[src]
Performs copy-assignment from source. Read more
impl PartialEq for Permissions[src]
fn eq(&self, __arg_0: &Permissions) -> bool[src]
This method tests for self and other values to be equal, and is used by ==. Read more
fn ne(&self, __arg_0: &Permissions) -> bool[src]
This method tests for !=.
impl Eq for Permissions[src]
impl Debug for Permissions[src]
fn fmt(&self, __arg_0: &mut Formatter) -> Result[src]
Formats the value using the given formatter. Read more
impl PermissionsExt for Permissions1.1.0[src]
fn mode(&self) -> u32[src]
Returns the underlying raw st_mode bits that contain the standard Unix permissions for this file. Read more
fn set_mode(&mut self, mode: u32)[src]
Sets the underlying raw bits for this set of permissions. Read more
fn from_mode(mode: u32) -> Permissions[src]
Creates a new instance of Permissions from the given set of Unix permission bits. Read more