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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef PERF_COMPRESS_H
- #define PERF_COMPRESS_H
- #include <stdbool.h>
- #ifdef HAVE_ZSTD_SUPPORT
- #include <zstd.h>
- #endif
- #ifdef HAVE_ZLIB_SUPPORT
- int gzip_decompress_to_file(const char *input, int output_fd);
- bool gzip_is_compressed(const char *input);
- #endif
- #ifdef HAVE_LZMA_SUPPORT
- int lzma_decompress_to_file(const char *input, int output_fd);
- bool lzma_is_compressed(const char *input);
- #endif
- struct zstd_data {
- #ifdef HAVE_ZSTD_SUPPORT
- ZSTD_CStream *cstream;
- ZSTD_DStream *dstream;
- #endif
- };
- #ifdef HAVE_ZSTD_SUPPORT
- int zstd_init(struct zstd_data *data, int level);
- int zstd_fini(struct zstd_data *data);
- size_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size,
- void *src, size_t src_size, size_t max_record_size,
- size_t process_header(void *record, size_t increment));
- size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size,
- void *dst, size_t dst_size);
- #else /* !HAVE_ZSTD_SUPPORT */
- static inline int zstd_init(struct zstd_data *data __maybe_unused, int level __maybe_unused)
- {
- return 0;
- }
- static inline int zstd_fini(struct zstd_data *data __maybe_unused)
- {
- return 0;
- }
- static inline
- size_t zstd_compress_stream_to_records(struct zstd_data *data __maybe_unused,
- void *dst __maybe_unused, size_t dst_size __maybe_unused,
- void *src __maybe_unused, size_t src_size __maybe_unused,
- size_t max_record_size __maybe_unused,
- size_t process_header(void *record, size_t increment) __maybe_unused)
- {
- return 0;
- }
- static inline size_t zstd_decompress_stream(struct zstd_data *data __maybe_unused, void *src __maybe_unused,
- size_t src_size __maybe_unused, void *dst __maybe_unused,
- size_t dst_size __maybe_unused)
- {
- return 0;
- }
- #endif
- #endif /* PERF_COMPRESS_H */
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