72 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef PERF_COMPRESS_H3#define PERF_COMPRESS_H4 5#include <stdbool.h>6#include <stddef.h>7#include <sys/types.h>8#ifdef HAVE_ZSTD_SUPPORT9#include <zstd.h>10#endif11 12#ifdef HAVE_ZLIB_SUPPORT13int gzip_decompress_to_file(const char *input, int output_fd);14bool gzip_is_compressed(const char *input);15#endif16 17#ifdef HAVE_LZMA_SUPPORT18int lzma_decompress_to_file(const char *input, int output_fd);19bool lzma_is_compressed(const char *input);20#endif21 22struct zstd_data {23#ifdef HAVE_ZSTD_SUPPORT24 ZSTD_CStream *cstream;25 ZSTD_DStream *dstream;26 int comp_level;27#endif28};29 30#ifdef HAVE_ZSTD_SUPPORT31 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 inline54ssize_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#endif70 71#endif /* PERF_COMPRESS_H */72