Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef PERF_COMPRESS_H
|
|
#define PERF_COMPRESS_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <linux/compiler.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_stream_to_file(FILE *input, int output_fd);
|
|
int lzma_decompress_to_file(const char *input, int output_fd);
|
|
bool lzma_is_compressed(const char *input);
|
|
#else
|
|
static inline
|
|
int lzma_decompress_stream_to_file(FILE *input __maybe_unused,
|
|
int output_fd __maybe_unused)
|
|
{
|
|
return -1;
|
|
}
|
|
static inline
|
|
int lzma_decompress_to_file(const char *input __maybe_unused,
|
|
int output_fd __maybe_unused)
|
|
{
|
|
return -1;
|
|
}
|
|
static inline int lzma_is_compressed(const char *input __maybe_unused)
|
|
{
|
|
return false;
|
|
}
|
|
#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 */
|