Merge tag 'asoc-fix-v5.2-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / tools / perf / util / compress.h

diff --git a/tools/perf/util/compress.h b/tools/perf/util/compress.h
index 892e92e..0cd3369 100644 (file)
--- a/tools/perf/util/compress.h
+++ b/tools/perf/util/compress.h
@@ -2,6 +2,11 @@
 #ifndef PERF_COMPRESS_H
 #define PERF_COMPRESS_H
 
+#include <stdbool.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);
@@ -12,4 +17,52 @@ 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;
+#endif
+};
+
+#ifdef HAVE_ZSTD_SUPPORT
+
+int zstd_init(struct zstd_data *data, int level);
+int zstd_fini(struct zstd_data *data);
+
+size_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
+size_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 */