#ifndef _WIMLIB_LZMS_H
#define _WIMLIB_LZMS_H
-int
-lzms_decompress(const void *cdata, unsigned clen, void *udata, unsigned unlen,
- unsigned window_size);
+/* Constants for the LZMS data compression format. See the comments in
+ * lzms-decompress.c for more information about this format. */
+//#define ENABLE_LZMS_DEBUG
+#ifdef ENABLE_LZMS_DEBUG
+# define LZMS_DEBUG DEBUG
+# define LZMS_ASSERT wimlib_assert
+#else
+# define LZMS_DEBUG(format, ...)
+# define LZMS_ASSERT(...)
#endif
+
+#define LZMS_NUM_RECENT_OFFSETS 3
+
+#define LZMS_PROBABILITY_BITS 6
+#define LZMS_PROBABILITY_MAX (1U << LZMS_PROBABILITY_BITS)
+#define LZMS_INITIAL_PROBABILITY 48
+#define LZMS_INITIAL_RECENT_BITS 0x0000000055555555ULL
+
+#define LZMS_NUM_MAIN_STATES 16
+#define LZMS_NUM_MATCH_STATES 32
+#define LZMS_NUM_LZ_MATCH_STATES 64
+#define LZMS_NUM_LZ_REPEAT_MATCH_STATES 64
+#define LZMS_NUM_DELTA_MATCH_STATES 64
+#define LZMS_NUM_DELTA_REPEAT_MATCH_STATES 64
+#define LZMS_MAX_NUM_STATES 64
+
+#define LZMS_NUM_LITERAL_SYMS 256
+#define LZMS_NUM_LEN_SYMS 54
+#define LZMS_NUM_DELTA_POWER_SYMS 8
+#define LZMS_MAX_NUM_OFFSET_SYMS 799
+#define LZMS_MAX_NUM_SYMS 799
+
+#define LZMS_MAX_CODEWORD_LEN 15
+
+#define LZMS_LITERAL_CODE_REBUILD_FREQ 1024
+#define LZMS_LZ_OFFSET_CODE_REBUILD_FREQ 1024
+#define LZMS_LENGTH_CODE_REBUILD_FREQ 512
+#define LZMS_DELTA_OFFSET_CODE_REBUILD_FREQ 1024
+#define LZMS_DELTA_POWER_CODE_REBUILD_FREQ 512
+
+#define LZMS_X86_MAX_GOOD_TARGET_OFFSET 65535
+#define LZMS_X86_MAX_TRANSLATION_OFFSET 1023
+
+#endif /* _WIMLIB_LZMS_H */
git://wimlib.net / wimlib / blobdiff