X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Flizard.h;h=c701e6f2bcb589d2ecfa4fdaab86f1ebd988f976;hb=bcfb15368033a922fa375d78fb84269e1f9ab11a;hp=d0f8ba09c5c517bc15d60872af7d552699460d3f;hpb=8d1675c114badee10e38db873cc71d08d8f0a492;p=libucw.git

diff --git a/lib/lizard.h b/lib/lizard.h
index d0f8ba09..c701e6f2 100644
--- a/lib/lizard.h
+++ b/lib/lizard.h
@@ -3,10 +3,13 @@
  *
  *	(c) 2004, Robert Spalek <robert@ucw.cz>
  *
- *	The file format is based on LZO1X and 
- *	the compression method is based on zlib.
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
  */
 
+#ifndef _SHERLOCK_LIZARD_H
+#define _SHERLOCK_LIZARD_H
+
 #define	LIZARD_NEEDS_CHARS	8
   /* The compression routine needs input buffer 8 characters longer, because it
    * does not check the input bounds all the time.  */
@@ -20,17 +23,22 @@
    * The multiplicative constant comes from 19-byte incompressible string
    * followed by a 3-sequence that can be compressed into 2-byte link.  This
    * breaks the copy-mode and it needs to be restarted with a new header.  The
-   * total length is 2(header) + 2(link) + 19(string) = 23.
+   * total length is 2(header) + 19(string) + 2(link) = 23.
    */
 
+/* lizard.c */
 int lizard_compress(byte *in, uns in_len, byte *out);
 int lizard_decompress(byte *in, byte *out);
 
-struct lizard_buffer {
-  uns len;
-  void *ptr;
-};
+/* lizard-safe.c */
+struct lizard_buffer;
 
-struct lizard_buffer *lizard_alloc(uns max_len);
+struct lizard_buffer *lizard_alloc(void);
 void lizard_free(struct lizard_buffer *buf);
-int lizard_decompress_safe(byte *in, struct lizard_buffer *buf, uns expected_length);
+byte *lizard_decompress_safe(byte *in, struct lizard_buffer *buf, uns expected_length);
+
+/* adler32.c */
+uns update_adler32(uns adler, byte *ptr, uns len);
+uns adler32(byte *ptr, uns len);
+
+#endif