--- liblzf/lzfP.h	2002/06/09 22:41:34	1.1
+++ liblzf/lzfP.h	2003/12/23 04:52:00	1.5
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Marc Alexander Lehmann <pcg@goof.com>
+ * Copyright (c) 2000-2003 Marc Alexander Lehmann <pcg@goof.com>
  * 
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
@@ -50,7 +50,7 @@
 /*
  * sacrifice some compression quality in favour of compression speed.
  * (roughly 1-2% worse compression for large blocks and
- * 9-10% for small, redundant, blocks and 20% better speed in both cases)
+ * 9-10% for small, redundant, blocks and >>20% better speed in both cases)
  * In short: enable this for binary data, disable this for text data.
  */
 #ifndef ULTRA_FAST
@@ -80,11 +80,29 @@
 # define INIT_HTAB 0
 #endif
 
+/*
+ * avoid assigning values to errno variable? for some embedding purposes
+ * (linux kernel for example), this is not 
+ */
+#ifndef AVOID_ERRNO
+# define AVOID_ERRNO 0
+#endif
+
+/*
+ * Wether to pass the LZF_STATE variable as argument, or allocate it
+ * on the stack. For small-stack environments, define this to zero.
+ */
+#ifndef LZF_STATE_ARG
+# define LZF_STATE_ARG 1
+#endif
+
 /*****************************************************************************/
 /* nothing should be changed below */
 
 typedef unsigned char u8;
 
+typedef const u8 *LZF_STATE[1 << (HLOG)];
+
 #if !STRICT_ALIGN
 /* for unaligned accesses we need a 16 bit datatype. */
 # include <limits.h>
@@ -93,7 +111,6 @@
 # elif UINT_MAX == 65535
     typedef unsigned int u16;
 # else
-#  warn need 16 bit datatype when STRICT_ALIGN == 0, this is non-fatal
 #  undef STRICT_ALIGN
 #  define STRICT_ALIGN 1
 # endif