1 // Copyright 2019 The Pigweed Authors
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
7 // https://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
15 #include "pw_sys_io/sys_io.h"
17 namespace pw::sys_io {
19 StatusWithSize ReadBytes(std::span<std::byte> dest) {
20 for (size_t i = 0; i < dest.size_bytes(); ++i) {
21 Status result = ReadByte(&dest[i]);
23 return StatusWithSize(result, i);
26 return StatusWithSize(dest.size_bytes());
29 StatusWithSize WriteBytes(std::span<const std::byte> src) {
30 for (size_t i = 0; i < src.size_bytes(); ++i) {
31 Status result = WriteByte(src[i]);
33 return StatusWithSize(result, i);
36 return StatusWithSize(src.size_bytes());
39 } // namespace pw::sys_io