| // Copyright 2022 The Blaze Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| pub mod mur; |
| pub mod xxhash; |
| |
| fn read32(data: &[u8], offset: usize) -> u32 { |
| let v = unsafe { |
| // safety: boundary check is done by caller |
| std::ptr::read_unaligned(data.as_ptr().add(offset) as *const u32) |
| }; |
| if cfg!(target_endian = "big") { |
| return v.swap_bytes(); |
| } |
| v |
| } |
| |
| fn read64(data: &[u8], offset: usize) -> u64 { |
| let v = unsafe { |
| // safety: boundary check is done by caller |
| std::ptr::read_unaligned(data.as_ptr().add(offset) as *const u64) |
| }; |
| if cfg!(target_endian = "big") { |
| return v.swap_bytes(); |
| } |
| v |
| } |