third_party.pigweed.src/pw_sys_io/sys_io.cc
Wyatt Hepler e2cbadfa0c pw_span: Switch from pw::span to std::span
Replace pw::span with std::span and "pw_span/span.h" with <span>
throughout the codebase.

Change-Id: Ib1fa873168b6093794e861611d750fcad6285d6c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/12801
Commit-Queue: Wyatt Hepler <hepler@google.com>
Reviewed-by: Rob Mohr <mohrr@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
2020-07-01 01:37:27 +00:00

40 lines
1.2 KiB
C++

// Copyright 2019 The Pigweed 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
//
// https://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.
#include "pw_sys_io/sys_io.h"
namespace pw::sys_io {
StatusWithSize ReadBytes(std::span<std::byte> dest) {
for (size_t i = 0; i < dest.size_bytes(); ++i) {
Status result = ReadByte(&dest[i]);
if (!result.ok()) {
return StatusWithSize(result, i);
}
}
return StatusWithSize(dest.size_bytes());
}
StatusWithSize WriteBytes(std::span<const std::byte> src) {
for (size_t i = 0; i < src.size_bytes(); ++i) {
Status result = WriteByte(src[i]);
if (!result.ok()) {
return StatusWithSize(result, i);
}
}
return StatusWithSize(src.size_bytes());
}
} // namespace pw::sys_io