Struct UTSName

Source
pub struct UTSName {
    pub sysname: [u8; 65],
    pub nodename: [u8; 65],
    pub release: [u8; 65],
    pub version: [u8; 65],
    pub machine: [u8; 65],
    pub domainname: [u8; 65],
}
Expand description

系统信息结构体(对应 struct utsname),用于表示内核和主机相关信息

MUSL: https://github.com/bminor/musl/blob/c47ad25ea3b484e10326f933e927c0bc8cded3da/include/sys/utsname.h#L9

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§sysname: [u8; 65]

操作系统名称,例如 “Linux”

§nodename: [u8; 65]

主机名称,例如 “my-hostname”

§release: [u8; 65]

内核发行版本,例如 “5.15.0”

§version: [u8; 65]

内核版本信息,例如 “#1 SMP PREEMPT_DYNAMIC …”

§machine: [u8; 65]

机器架构,例如 “x86_64”

§domainname: [u8; 65]

域名,例如 “(none)” 或 “example.com”

Trait Implementations§

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impl FromBytes for UTSName
where [u8; 65]: FromBytes,

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fn ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>
where Self: KnownLayout + Immutable,

Interprets the given source as a &Self. Read more
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fn ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>
where Self: KnownLayout + Immutable,

Interprets the prefix of the given source as a &Self without copying. Read more
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fn ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>
where Self: Immutable + KnownLayout,

Interprets the suffix of the given bytes as a &Self. Read more
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fn mut_from_bytes( source: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>
where Self: IntoBytes + KnownLayout,

Interprets the given source as a &mut Self. Read more
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fn mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>
where Self: IntoBytes + KnownLayout,

Interprets the prefix of the given source as a &mut Self without copying. Read more
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fn mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>
where Self: IntoBytes + KnownLayout,

Interprets the suffix of the given source as a &mut Self without copying. Read more
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fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the given source. Read more
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fn read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the prefix of the given source. Read more
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fn read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), SizeError<&[u8], Self>>
where Self: Sized,

Reads a copy of Self from the suffix of the given source. Read more
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impl FromZeros for UTSName
where [u8; 65]: FromZeros,

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fn zero(&mut self)

Overwrites self with zeros. Read more
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fn new_zeroed() -> Self
where Self: Sized,

Creates an instance of Self from zeroed bytes. Read more
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fn new_box_zeroed() -> Result<Box<Self>, AllocError>
where Self: Sized,

Creates a Box<Self> from zeroed bytes. Read more
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fn new_vec_zeroed(len: usize) -> Result<Vec<Self>, AllocError>
where Self: Sized,

Creates a Vec<Self> from zeroed bytes. Read more
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fn extend_vec_zeroed( v: &mut Vec<Self>, additional: usize, ) -> Result<(), AllocError>
where Self: Sized,

Extends a Vec<Self> by pushing additional new items onto the end of the vector. The new items are initialized with zeros.
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fn insert_vec_zeroed( v: &mut Vec<Self>, position: usize, additional: usize, ) -> Result<(), AllocError>
where Self: Sized,

Inserts additional new items into Vec<Self> at position. The new items are initialized with zeros. Read more
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impl IntoBytes for UTSName
where [u8; 65]: IntoBytes, (): PaddingFree<Self, { _ }>,

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fn as_bytes(&self) -> &[u8]
where Self: Immutable,

Gets the bytes of this value. Read more
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fn as_mut_bytes(&mut self) -> &mut [u8]
where Self: FromBytes,

Gets the bytes of this value mutably. Read more
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fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to dst. Read more
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fn write_to_prefix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to the prefix of dst. Read more
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fn write_to_suffix( &self, dst: &mut [u8], ) -> Result<(), SizeError<&Self, &mut [u8]>>
where Self: Immutable,

Writes a copy of self to the suffix of dst. Read more
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impl KnownLayout for UTSName
where Self: Sized,

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type PointerMetadata = ()

The type of metadata stored in a pointer to Self. Read more
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impl TryFromBytes for UTSName
where [u8; 65]: TryFromBytes,

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fn try_ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the given source as a &Self. Read more
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fn try_ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the prefix of the given source as a &Self. Read more
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fn try_ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: KnownLayout + Immutable,

Attempts to interpret the suffix of the given source as a &Self. Read more
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fn try_mut_from_bytes( bytes: &mut [u8], ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the given source as a &mut Self without copying. Read more
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fn try_mut_from_prefix( source: &mut [u8], ) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the prefix of the given source as a &mut Self. Read more
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fn try_mut_from_suffix( source: &mut [u8], ) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>
where Self: KnownLayout + IntoBytes,

Attempts to interpret the suffix of the given source as a &mut Self. Read more
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fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read the given source as a Self. Read more
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fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read a Self from the prefix of the given source. Read more
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fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>
where Self: Sized,

Attempts to read a Self from the suffix of the given source. Read more
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impl Immutable for UTSName
where [u8; 65]: Immutable,

Auto Trait Implementations§

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impl Freeze for UTSName

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impl RefUnwindSafe for UTSName

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impl Send for UTSName

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impl Sync for UTSName

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impl Unpin for UTSName

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impl UnwindSafe for UTSName

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.