X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Flizard.h;h=616d17b0c07e104f149ffff14f0774d2044c458b;hb=da2f99caf76902aacb06fd389994ac79182a92da;hp=f81ea5f40777b3643021614119399a090074b98f;hpb=1134e13c17973837f02a28a35dc8dea871b80121;p=libucw.git

diff --git a/lib/lizard.h b/lib/lizard.h
index f81ea5f4..616d17b0 100644
--- a/lib/lizard.h
+++ b/lib/lizard.h
@@ -7,6 +7,9 @@
  *	of the GNU Lesser General Public License.
  */
 
+#ifndef _UCW_LIZARD_H
+#define _UCW_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.  */
@@ -24,12 +27,23 @@
    */
 
 /* lizard.c */
-int lizard_compress(byte *in, uns in_len, byte *out);
-int lizard_decompress(byte *in, byte *out);
+int lizard_compress(const byte *in, uns in_len, byte *out);
+int lizard_decompress(const byte *in, byte *out);
 
 /* lizard-safe.c */
 struct lizard_buffer;
 
 struct lizard_buffer *lizard_alloc(void);
 void lizard_free(struct lizard_buffer *buf);
-byte *lizard_decompress_safe(byte *in, struct lizard_buffer *buf, uns expected_length);
+byte *lizard_decompress_safe(const byte *in, struct lizard_buffer *buf, uns expected_length);
+
+/* adler32.c */
+uns update_adler32(uns adler, const byte *ptr, uns len);
+
+static inline uns
+adler32(const byte *buf, uns len)
+{
+  return update_adler32(1, buf, len);
+}
+
+#endif