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// Copyright 2017 The CRC32C Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "crc32c/crc32c.h"
#include <cstddef>
#include <cstdint>
#include "./crc32c_arm64.h"
#include "./crc32c_arm64_linux_check.h"
#include "./crc32c_internal.h"
#include "./crc32c_sse42.h"
#include "./crc32c_sse42_check.h"
namespace crc32c {
uint32_t Extend(uint32_t crc, const uint8_t* data, size_t count) {
#if HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__))
static bool can_use_sse42 = CanUseSse42();
if (can_use_sse42) return ExtendSse42(crc, data, count);
#elif HAVE_ARM64_CRC32C
static bool can_use_arm_linux = CanUseArm64Linux();
if (can_use_arm_linux) return ExtendArm64(crc, data, count);
#endif // HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__))
return ExtendPortable(crc, data, count);
}
extern "C" uint32_t crc32c_extend(uint32_t crc, const uint8_t* data,
size_t count) {
return crc32c::Extend(crc, data, count);
}
extern "C" uint32_t crc32c_value(const uint8_t* data, size_t count) {
return crc32c::Crc32c(data, count);
}
} // namespace crc32c
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