X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Flzx.h;h=50d80f620de6333510004947cefc2c42eb77c9a7;hb=e3a7c6c725964662f4ad1fcfe21d2da742499b8a;hp=f72bfb1bc16921ec6a23ce285fa7b0b9424509f4;hpb=157d002da341c9109c5c065893ae82c6dbf5d4e8;p=wimlib

diff --git a/include/wimlib/lzx.h b/include/wimlib/lzx.h
index f72bfb1b..50d80f62 100644
--- a/include/wimlib/lzx.h
+++ b/include/wimlib/lzx.h
@@ -71,7 +71,7 @@
 
 #define LZX_ALIGNEDCODE_NUM_SYMBOLS	8
 #define LZX_ALIGNEDCODE_TABLEBITS	7
-#define LZX_ALIGNEDCODE_ELEMENT_SIZE 	3
+#define LZX_ALIGNEDCODE_ELEMENT_SIZE	3
 
 /* Maximum allowed length of Huffman codewords.  */
 #define LZX_MAX_MAIN_CODEWORD_LEN	16
@@ -95,7 +95,7 @@
 extern const u8 lzx_extra_bits[LZX_MAX_POSITION_SLOTS];
 #endif
 
-/* Given the number of a LZX position slot, return the number of extra bits that
+/* Given the number of an LZX position slot, return the number of extra bits that
  * are needed to encode the match offset. */
 static inline unsigned
 lzx_get_num_extra_bits(unsigned position_slot)
@@ -122,7 +122,7 @@ extern const u32 lzx_position_base[LZX_MAX_POSITION_SLOTS];
  * the formatted offset without actually looking at the array.
  */
 static inline unsigned
-lzx_get_position_slot_raw(unsigned formatted_offset)
+lzx_get_position_slot_raw(u32 formatted_offset)
 {
 	if (formatted_offset >= 196608) {
 		return (formatted_offset >> 17) + 34;
@@ -134,7 +134,7 @@ lzx_get_position_slot_raw(unsigned formatted_offset)
 	}
 }
 
-extern bool lzx_window_size_valid(u32 window_size);
+extern bool lzx_window_size_valid(size_t window_size);
 extern unsigned lzx_get_num_main_syms(u32 window_size);
 
 #define LZX_NUM_RECENT_OFFSETS	3
@@ -148,6 +148,8 @@ struct lzx_lru_queue {
  * as (n + LZX_OFFSET_OFFSET).  */
 #define LZX_OFFSET_OFFSET	(LZX_NUM_RECENT_OFFSETS - 1)
 
+/* Initialize the LZX least-recently-used match offset queue at the beginning of
+ * a new window for either decompression or compression.  */
 static inline void
 lzx_lru_queue_init(struct lzx_lru_queue *queue)
 {
@@ -155,4 +157,10 @@ lzx_lru_queue_init(struct lzx_lru_queue *queue)
 		queue->R[i] = 1;
 }
 
+extern void
+lzx_do_e8_preprocessing(u8 *data, s32 size);
+
+extern void
+lzx_undo_e8_preprocessing(u8 *data, s32 size);
+
 #endif /* _WIMLIB_LZX_H */