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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef PERF_COMPRESS_H
#define PERF_COMPRESS_H
#include <stdbool.h>
#include <stddef.h>
#include <sys/types.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;
int comp_level;
#endif
};
#ifdef HAVE_ZSTD_SUPPORT
int zstd_init(struct zstd_data *data, int level);
int zstd_fini(struct zstd_data *data);
ssize_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
ssize_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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