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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef QUICHE_QUIC_PLATFORM_API_QUIC_ENDIAN_H_
#define QUICHE_QUIC_PLATFORM_API_QUIC_ENDIAN_H_
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
#include "net/quic/platform/impl/quic_endian_impl.h"
namespace quic {
enum Endianness {
NETWORK_BYTE_ORDER, // big endian
HOST_BYTE_ORDER // little endian
};
// Provide utility functions that convert from/to network order (big endian)
// to/from host order (can be either little or big endian depending on the
// platform).
class QUIC_EXPORT_PRIVATE QuicEndian {
public:
// Convert |x| from host order (can be either little or big endian depending
// on the platform) to network order (big endian).
static uint16_t HostToNet16(uint16_t x) {
return QuicEndianImpl::HostToNet16(x);
}
static uint32_t HostToNet32(uint32_t x) {
return QuicEndianImpl::HostToNet32(x);
}
static uint64_t HostToNet64(uint64_t x) {
return QuicEndianImpl::HostToNet64(x);
}
// Convert |x| from network order (big endian) to host order (can be either
// little or big endian depending on the platform).
static uint16_t NetToHost16(uint16_t x) {
return QuicEndianImpl::NetToHost16(x);
}
static uint32_t NetToHost32(uint32_t x) {
return QuicEndianImpl::NetToHost32(x);
}
static uint64_t NetToHost64(uint64_t x) {
return QuicEndianImpl::NetToHost64(x);
}
// Returns true if current host order is little endian.
static bool HostIsLittleEndian() {
return QuicEndianImpl::HostIsLittleEndian();
}
};
} // namespace quic
#endif // QUICHE_QUIC_PLATFORM_API_QUIC_ENDIAN_H_