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Make File::read_to_end less special

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Follow-up to #117925
This commit is contained in:
Kornel 2024-01-31 23:26:50 +00:00
parent 11f32b73e0
commit fee4992fb1
1 changed files with 2 additions and 2 deletions
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4
library/std/src/fs.rs
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@ -776,14 +776,14 @@ fn is_read_vectored(&self) -> bool {
// Reserves space in the buffer based on the file size when available. // 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> { fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
let size = buffer_capacity_required(self); let size = buffer_capacity_required(self);
buf.try_reserve_exact(size.unwrap_or(0)).map_err(|_| io::ErrorKind::OutOfMemory)?; buf.try_reserve(size.unwrap_or(0)).map_err(|_| io::ErrorKind::OutOfMemory)?;
io::default_read_to_end(self, buf, size) io::default_read_to_end(self, buf, size)
} }
// Reserves space in the buffer based on the file size when available. // Reserves space in the buffer based on the file size when available.
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> { fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
let size = buffer_capacity_required(self); let size = buffer_capacity_required(self);
buf.try_reserve_exact(size.unwrap_or(0)).map_err(|_| io::ErrorKind::OutOfMemory)?; buf.try_reserve(size.unwrap_or(0)).map_err(|_| io::ErrorKind::OutOfMemory)?;
io::default_read_to_string(self, buf, size) io::default_read_to_string(self, buf, size)
} }
} }