1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef PERF_COMPRESS_H 3#define PERF_COMPRESS_H 4 5#include <stdbool.h> 6#include <stddef.h> 7#include <sys/types.h> 8#ifdef HAVE_ZSTD_SUPPORT 9#include <zstd.h> 10#endif 11 12#ifdef HAVE_ZLIB_SUPPORT 13int gzip_decompress_to_file(const char *input, int output_fd); 14bool gzip_is_compressed(const char *input); 15#endif 16 17#ifdef HAVE_LZMA_SUPPORT 18int lzma_decompress_to_file(const char *input, int output_fd); 19bool lzma_is_compressed(const char *input); 20#endif 21 22struct zstd_data { 23#ifdef HAVE_ZSTD_SUPPORT 24 ZSTD_CStream *cstream; 25 ZSTD_DStream *dstream; 26 int comp_level; 27#endif 28}; 29 30#ifdef HAVE_ZSTD_SUPPORT 31 32int zstd_init(struct zstd_data *data, int level); 33int zstd_fini(struct zstd_data *data); 34 35ssize_t zstd_compress_stream_to_records(struct zstd_data *data, void *dst, size_t dst_size, 36 void *src, size_t src_size, size_t max_record_size, 37 size_t process_header(void *record, size_t increment)); 38 39size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size, 40 void *dst, size_t dst_size); 41#else /* !HAVE_ZSTD_SUPPORT */ 42 43static inline int zstd_init(struct zstd_data *data __maybe_unused, int level __maybe_unused) 44{ 45 return 0; 46} 47 48static inline int zstd_fini(struct zstd_data *data __maybe_unused) 49{ 50 return 0; 51} 52 53static inline 54ssize_t zstd_compress_stream_to_records(struct zstd_data *data __maybe_unused, 55 void *dst __maybe_unused, size_t dst_size __maybe_unused, 56 void *src __maybe_unused, size_t src_size __maybe_unused, 57 size_t max_record_size __maybe_unused, 58 size_t process_header(void *record, size_t increment) __maybe_unused) 59{ 60 return 0; 61} 62 63static inline size_t zstd_decompress_stream(struct zstd_data *data __maybe_unused, void *src __maybe_unused, 64 size_t src_size __maybe_unused, void *dst __maybe_unused, 65 size_t dst_size __maybe_unused) 66{ 67 return 0; 68} 69#endif 70 71#endif /* PERF_COMPRESS_H */ 72