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Make File::read_to_end less special #120538

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Merged
merged 1 commit into from
Feb 16, 2024
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Make File::read_to_end less special #120538

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4 changes: 2 additions & 2 deletions library/std/src/fs.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -776,14 +776,14 @@ impl Read for &File {
// 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> {
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)
}

// Reserves space in the buffer based on the file size when available.
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
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)
}
}
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