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// Copyright 2013 Google Inc. All Rights Reserved.
//
// 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
//
// http://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.
//
// Helper functions for storing integer values into byte streams.
// No bounds checking is performed, that is the responsibility of the caller.
#ifndef WOFF2_STORE_BYTES_H_
#define WOFF2_STORE_BYTES_H_
#include <inttypes.h>
#include <stddef.h>
#include <string.h>
namespace woff2 {
inline size_t StoreU32(uint8_t* dst, size_t offset, uint32_t x) {
dst[offset] = x >> 24;
dst[offset + 1] = x >> 16;
dst[offset + 2] = x >> 8;
dst[offset + 3] = x;
return offset + 4;
}
inline size_t Store16(uint8_t* dst, size_t offset, int x) {
dst[offset] = x >> 8;
dst[offset + 1] = x;
return offset + 2;
}
inline void StoreU32(uint32_t val, size_t* offset, uint8_t* dst) {
dst[(*offset)++] = val >> 24;
dst[(*offset)++] = val >> 16;
dst[(*offset)++] = val >> 8;
dst[(*offset)++] = val;
}
inline void Store16(int val, size_t* offset, uint8_t* dst) {
dst[(*offset)++] = val >> 8;
dst[(*offset)++] = val;
}
inline void StoreBytes(const uint8_t* data, size_t len,
size_t* offset, uint8_t* dst) {
memcpy(&dst[*offset], data, len);
*offset += len;
}
} // namespace woff2
#endif // WOFF2_STORE_BYTES_H_