compress.h (1871B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef PERF_COMPRESS_H 3#define PERF_COMPRESS_H 4 5#include <stdbool.h> 6#ifdef HAVE_ZSTD_SUPPORT 7#include <zstd.h> 8#endif 9 10#ifdef HAVE_ZLIB_SUPPORT 11int gzip_decompress_to_file(const char *input, int output_fd); 12bool gzip_is_compressed(const char *input); 13#endif 14 15#ifdef HAVE_LZMA_SUPPORT 16int lzma_decompress_to_file(const char *input, int output_fd); 17bool lzma_is_compressed(const char *input); 18#endif 19 20struct zstd_data { 21#ifdef HAVE_ZSTD_SUPPORT 22 ZSTD_CStream *cstream; 23 ZSTD_DStream *dstream; 24#endif 25}; 26 27#ifdef HAVE_ZSTD_SUPPORT 28 29int zstd_init(struct zstd_data *data, int level); 30int zstd_fini(struct zstd_data *data); 31 32size_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, 33 void *src, size_t src_size, size_t max_record_size, 34 size_t process_header(void *record, size_t increment)); 35 36size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size, 37 void *dst, size_t dst_size); 38#else /* !HAVE_ZSTD_SUPPORT */ 39 40static inline int zstd_init(struct zstd_data *data __maybe_unused, int level __maybe_unused) 41{ 42 return 0; 43} 44 45static inline int zstd_fini(struct zstd_data *data __maybe_unused) 46{ 47 return 0; 48} 49 50static inline 51size_t zstd_compress_stream_to_records(struct zstd_data *data __maybe_unused, 52 void *dst __maybe_unused, size_t dst_size __maybe_unused, 53 void *src __maybe_unused, size_t src_size __maybe_unused, 54 size_t max_record_size __maybe_unused, 55 size_t process_header(void *record, size_t increment) __maybe_unused) 56{ 57 return 0; 58} 59 60static inline size_t zstd_decompress_stream(struct zstd_data *data __maybe_unused, void *src __maybe_unused, 61 size_t src_size __maybe_unused, void *dst __maybe_unused, 62 size_t dst_size __maybe_unused) 63{ 64 return 0; 65} 66#endif 67 68#endif /* PERF_COMPRESS_H */