diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/common/pg_lzcompress.h (renamed from src/include/utils/pg_lzcompress.h) | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/src/include/utils/pg_lzcompress.h b/src/include/common/pg_lzcompress.h index 4af24a32a49..52bcaf14b11 100644 --- a/src/include/utils/pg_lzcompress.h +++ b/src/include/common/pg_lzcompress.h @@ -3,7 +3,7 @@ * * Definitions for the builtin LZ compressor * - * src/include/utils/pg_lzcompress.h + * src/include/common/pg_lzcompress.h * ---------- */ @@ -12,35 +12,13 @@ /* ---------- - * PGLZ_Header - - * - * The information at the start of the compressed data. - * ---------- - */ -typedef struct PGLZ_Header -{ - int32 vl_len_; /* varlena header (do not touch directly!) */ - int32 rawsize; -} PGLZ_Header; - - -/* ---------- * PGLZ_MAX_OUTPUT - * * Macro to compute the buffer size required by pglz_compress(). * We allow 4 bytes for overrun before detecting compression failure. * ---------- */ -#define PGLZ_MAX_OUTPUT(_dlen) ((_dlen) + 4 + sizeof(PGLZ_Header)) - -/* ---------- - * PGLZ_RAW_SIZE - - * - * Macro to determine the uncompressed data size contained - * in the entry. - * ---------- - */ -#define PGLZ_RAW_SIZE(_lzdata) ((_lzdata)->rawsize) +#define PGLZ_MAX_OUTPUT(_dlen) ((_dlen) + 4) /* ---------- @@ -105,8 +83,9 @@ extern const PGLZ_Strategy *const PGLZ_strategy_always; * Global function declarations * ---------- */ -extern bool pglz_compress(const char *source, int32 slen, PGLZ_Header *dest, +extern int32 pglz_compress(const char *source, int32 slen, char *dest, const PGLZ_Strategy *strategy); -extern void pglz_decompress(const PGLZ_Header *source, char *dest); +extern int32 pglz_decompress(const char *source, int32 slen, char *dest, + int32 rawsize); #endif /* _PG_LZCOMPRESS_H_ */ |