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 */

 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 */