diff options
Diffstat (limited to 'library/std/src/io/buffered/bufwriter.rs')
| -rw-r--r-- | library/std/src/io/buffered/bufwriter.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/library/std/src/io/buffered/bufwriter.rs b/library/std/src/io/buffered/bufwriter.rs index 1768bb05ddb..a8680e9b6ea 100644 --- a/library/std/src/io/buffered/bufwriter.rs +++ b/library/std/src/io/buffered/bufwriter.rs @@ -433,9 +433,11 @@ impl<W: ?Sized + Write> BufWriter<W> { let old_len = self.buf.len(); let buf_len = buf.len(); let src = buf.as_ptr(); - let dst = self.buf.as_mut_ptr().add(old_len); - ptr::copy_nonoverlapping(src, dst, buf_len); - self.buf.set_len(old_len + buf_len); + unsafe { + let dst = self.buf.as_mut_ptr().add(old_len); + ptr::copy_nonoverlapping(src, dst, buf_len); + self.buf.set_len(old_len + buf_len); + } } #[inline] |