| // 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_ |