From 495fa48790fad465edcdb7965d349617854a86c3 Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Sun, 21 Aug 2022 02:16:51 +0400 Subject: [PATCH] use `pointer::add` in memchr impl --- library/core/src/slice/memchr.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/slice/memchr.rs b/library/core/src/slice/memchr.rs index dffeaf6a834e..d8a4fd6c1ce0 100644 --- a/library/core/src/slice/memchr.rs +++ b/library/core/src/slice/memchr.rs @@ -124,8 +124,8 @@ pub fn memrchr(x: u8, text: &[u8]) -> Option { // SAFETY: offset starts at len - suffix.len(), as long as it is greater than // min_aligned_offset (prefix.len()) the remaining distance is at least 2 * chunk_bytes. unsafe { - let u = *(ptr.offset(offset as isize - 2 * chunk_bytes as isize) as *const Chunk); - let v = *(ptr.offset(offset as isize - chunk_bytes as isize) as *const Chunk); + let u = *(ptr.add(offset - 2 * chunk_bytes) as *const Chunk); + let v = *(ptr.add(offset - chunk_bytes) as *const Chunk); // Break if there is a matching byte. let zu = contains_zero_byte(u ^ repeated_x);