Struct nix::fcntl::FallocateFlags [−][src]
Mode argument flags for fallocate determining operation performed on a given range.
Implementations
impl FallocateFlags
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pub const FALLOC_FL_KEEP_SIZE: FallocateFlags
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File size is not changed.
offset + len can be greater than file size.
pub const FALLOC_FL_PUNCH_HOLE: FallocateFlags
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Deallocates space by creating a hole.
Must be ORed with FALLOC_FL_KEEP_SIZE. Byte range starts at offset and continues for len bytes.
pub const FALLOC_FL_COLLAPSE_RANGE: FallocateFlags
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Removes byte range from a file without leaving a hole.
Byte range to collapse starts at offset and continues for len bytes.
pub const FALLOC_FL_ZERO_RANGE: FallocateFlags
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Zeroes space in specified byte range.
Byte range starts at offset and continues for len bytes.
pub const FALLOC_FL_INSERT_RANGE: FallocateFlags
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Increases file space by inserting a hole within the file size.
Does not overwrite existing data. Hole starts at offset and continues for len bytes.
pub const FALLOC_FL_UNSHARE_RANGE: FallocateFlags
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Shared file data extants are made private to the file.
Gaurantees that a subsequent write will not fail due to lack of space.
pub const fn empty() -> FallocateFlags
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Returns an empty set of flags
pub const fn all() -> FallocateFlags
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Returns the set containing all flags.
pub const fn bits(&self) -> c_int
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Returns the raw value of the flags currently stored.
pub fn from_bits(bits: c_int) -> Option<FallocateFlags>
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Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.
pub const fn from_bits_truncate(bits: c_int) -> FallocateFlags
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Convert from underlying bit representation, dropping any bits that do not correspond to flags.
pub const unsafe fn from_bits_unchecked(bits: c_int) -> FallocateFlags
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Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).
pub const fn is_empty(&self) -> bool
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Returns true
if no flags are currently stored.
pub const fn is_all(&self) -> bool
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Returns true
if all flags are currently set.
pub const fn intersects(&self, other: FallocateFlags) -> bool
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Returns true
if there are flags common to both self
and other
.
pub const fn contains(&self, other: FallocateFlags) -> bool
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Returns true
all of the flags in other
are contained within self
.
pub fn insert(&mut self, other: FallocateFlags)
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Inserts the specified flags in-place.
pub fn remove(&mut self, other: FallocateFlags)
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Removes the specified flags in-place.
pub fn toggle(&mut self, other: FallocateFlags)
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Toggles the specified flags in-place.
pub fn set(&mut self, other: FallocateFlags, value: bool)
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Inserts or removes the specified flags depending on the passed value.
Trait Implementations
impl Binary for FallocateFlags
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impl BitAnd<FallocateFlags> for FallocateFlags
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type Output = FallocateFlags
The resulting type after applying the &
operator.
fn bitand(self, other: FallocateFlags) -> FallocateFlags
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Returns the intersection between the two sets of flags.
impl BitAndAssign<FallocateFlags> for FallocateFlags
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fn bitand_assign(&mut self, other: FallocateFlags)
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Disables all flags disabled in the set.
impl BitOr<FallocateFlags> for FallocateFlags
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type Output = FallocateFlags
The resulting type after applying the |
operator.
fn bitor(self, other: FallocateFlags) -> FallocateFlags
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Returns the union of the two sets of flags.
impl BitOrAssign<FallocateFlags> for FallocateFlags
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fn bitor_assign(&mut self, other: FallocateFlags)
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Adds the set of flags.
impl BitXor<FallocateFlags> for FallocateFlags
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type Output = FallocateFlags
The resulting type after applying the ^
operator.
fn bitxor(self, other: FallocateFlags) -> FallocateFlags
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Returns the left flags, but with all the right flags toggled.
impl BitXorAssign<FallocateFlags> for FallocateFlags
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fn bitxor_assign(&mut self, other: FallocateFlags)
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Toggles the set of flags.
impl Clone for FallocateFlags
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fn clone(&self) -> FallocateFlags
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pub fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Copy for FallocateFlags
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impl Debug for FallocateFlags
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impl Eq for FallocateFlags
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impl Extend<FallocateFlags> for FallocateFlags
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fn extend<T: IntoIterator<Item = FallocateFlags>>(&mut self, iterator: T)
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pub fn extend_one(&mut self, item: A)
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pub fn extend_reserve(&mut self, additional: usize)
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impl FromIterator<FallocateFlags> for FallocateFlags
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fn from_iter<T: IntoIterator<Item = FallocateFlags>>(
iterator: T
) -> FallocateFlags
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iterator: T
) -> FallocateFlags
impl Hash for FallocateFlags
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fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
impl LowerHex for FallocateFlags
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impl Not for FallocateFlags
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type Output = FallocateFlags
The resulting type after applying the !
operator.
fn not(self) -> FallocateFlags
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Returns the complement of this set of flags.
impl Octal for FallocateFlags
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impl Ord for FallocateFlags
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fn cmp(&self, other: &FallocateFlags) -> Ordering
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#[must_use]pub fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self
1.50.0[src]
impl PartialEq<FallocateFlags> for FallocateFlags
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fn eq(&self, other: &FallocateFlags) -> bool
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fn ne(&self, other: &FallocateFlags) -> bool
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impl PartialOrd<FallocateFlags> for FallocateFlags
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fn partial_cmp(&self, other: &FallocateFlags) -> Option<Ordering>
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#[must_use]pub fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
impl StructuralEq for FallocateFlags
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impl StructuralPartialEq for FallocateFlags
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impl Sub<FallocateFlags> for FallocateFlags
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type Output = FallocateFlags
The resulting type after applying the -
operator.
fn sub(self, other: FallocateFlags) -> FallocateFlags
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Returns the set difference of the two sets of flags.
impl SubAssign<FallocateFlags> for FallocateFlags
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fn sub_assign(&mut self, other: FallocateFlags)
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Disables all flags enabled in the set.
impl UpperHex for FallocateFlags
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Auto Trait Implementations
impl RefUnwindSafe for FallocateFlags
impl Send for FallocateFlags
impl Sync for FallocateFlags
impl Unpin for FallocateFlags
impl UnwindSafe for FallocateFlags
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,