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read_buf

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This commit is contained in:
DrMeepster
2021-01-17 22:28:18 -08:00
parent 3802025f40
commit 98c6200b16
18 changed files with 772 additions and 294 deletions
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14
library/std/src/fs.rs
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@@ -13,7 +13,7 @@ mod tests;
use crate::ffi::OsString;
use crate::fmt;
use crate::io::{self, Initializer, IoSlice, IoSliceMut, Read, Seek, SeekFrom, Write};
use crate::io::{self, IoSlice, IoSliceMut, Read, Seek, SeekFrom, Write};
use crate::path::{Path, PathBuf};
use crate::sys::fs as fs_imp;
use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner};
@@ -629,12 +629,6 @@ impl Read for File {
self.inner.is_read_vectored()
}
#[inline]
unsafe fn initializer(&self) -> Initializer {
// SAFETY: Read is guaranteed to work on uninitialized memory
unsafe { Initializer::nop() }
}
// Reserves space in the buffer based on the file size when available.
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.reserve(buffer_capacity_required(self));
@@ -687,12 +681,6 @@ impl Read for &File {
self.inner.is_read_vectored()
}
#[inline]
unsafe fn initializer(&self) -> Initializer {
// SAFETY: Read is guaranteed to work on uninitialized memory
unsafe { Initializer::nop() }
}
// Reserves space in the buffer based on the file size when available.
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.reserve(buffer_capacity_required(self));