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Use sub instead of offset (#668)

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We're always subtracting here, and we already have a usize, so `sub`
seems like a more appropriate usage to me.
This commit is contained in:
Brad Dunbar
2024-02-06 10:41:44 -08:00
committed by GitHub
parent 8bcac21cb4
commit 47e83056f2
1 changed files with 2 additions and 2 deletions
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src/bytes_mut.rs
+2 -2
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@@ -617,7 +617,7 @@ impl BytesMut {
// //
// Just move the pointer back to the start after copying // Just move the pointer back to the start after copying
// data back. // data back.
let base_ptr = self.ptr.as_ptr().offset(-(off as isize)); let base_ptr = self.ptr.as_ptr().sub(off);
// Since `off >= self.len()`, the two regions don't overlap. // Since `off >= self.len()`, the two regions don't overlap.
ptr::copy_nonoverlapping(self.ptr.as_ptr(), base_ptr, self.len); ptr::copy_nonoverlapping(self.ptr.as_ptr(), base_ptr, self.len);
self.ptr = vptr(base_ptr); self.ptr = vptr(base_ptr);
@@ -1697,7 +1697,7 @@ fn offset_from(dst: *mut u8, original: *mut u8) -> usize {
} }
unsafe fn rebuild_vec(ptr: *mut u8, mut len: usize, mut cap: usize, off: usize) -> Vec<u8> { unsafe fn rebuild_vec(ptr: *mut u8, mut len: usize, mut cap: usize, off: usize) -> Vec<u8> {
let ptr = ptr.offset(-(off as isize)); let ptr = ptr.sub(off);
len += off; len += off;
cap += off; cap += off;