mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 08:44:27 +00:00
c38e19cbbe
Rationale: Useful in the future when compiler wants to constant fold operations related to leading/trailing/counting (non)zeros. https://github.com/dart-lang/sdk/issues/38346 Change-Id: I158aca125d3a15019af20ca7c2a516b74e4d84c2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/119920 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Aart Bik <ajcbik@google.com>
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_PLATFORM_UTILS_LINUX_H_
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#define RUNTIME_PLATFORM_UTILS_LINUX_H_
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#if !defined(RUNTIME_PLATFORM_UTILS_H_)
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#error Do not include utils_linux.h directly; use utils.h instead.
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#endif
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#include <endian.h> // NOLINT
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namespace dart {
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inline uint16_t Utils::HostToBigEndian16(uint16_t value) {
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return htobe16(value);
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}
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inline uint32_t Utils::HostToBigEndian32(uint32_t value) {
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return htobe32(value);
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}
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inline uint64_t Utils::HostToBigEndian64(uint64_t value) {
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return htobe64(value);
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}
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inline uint16_t Utils::HostToLittleEndian16(uint16_t value) {
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return htole16(value);
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}
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inline uint32_t Utils::HostToLittleEndian32(uint32_t value) {
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return htole32(value);
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}
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inline uint64_t Utils::HostToLittleEndian64(uint64_t value) {
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return htole64(value);
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}
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inline char* Utils::StrError(int err, char* buffer, size_t bufsize) {
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#if !defined(__GLIBC__) || \
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((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE)
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// Use the XSI version.
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if (strerror_r(err, buffer, bufsize) != 0) {
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snprintf(buffer, bufsize, "%s", "strerror_r failed");
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}
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return buffer;
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#else
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// Use the GNU specific version.
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return strerror_r(err, buffer, bufsize);
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#endif
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}
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} // namespace dart
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#endif // RUNTIME_PLATFORM_UTILS_LINUX_H_
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