This commit was manufactured by cvs2svn to create tag 'rtems-4-10-0'.4.10.0

Sprout from rtems-4-10-branch 2011-02-08 15:56:24 UTC Joel Sherrill <joel.sherrill@OARcorp.com> 'Ensure all version instances say 4.10.'
Cherrypick from rtems-4-10-branch 2011-03-18 10:11:41 UTC cvs2git <rtems-devel@rtems.org> 'This commit was manufactured by cvs2svn to create branch':
    cpukit/zlib/ChangeLog
    cpukit/zlib/ChangeLog.zlib
    cpukit/zlib/FAQ
    cpukit/zlib/Makefile.am
    cpukit/zlib/README
    cpukit/zlib/adler32.c
    cpukit/zlib/compress.c
    cpukit/zlib/crc32.c
    cpukit/zlib/deflate.c
    cpukit/zlib/deflate.h
    cpukit/zlib/doc/algorithm.txt
    cpukit/zlib/gzclose.c
    cpukit/zlib/gzguts.h
    cpukit/zlib/gzlib.c
    cpukit/zlib/gzread.c
    cpukit/zlib/gzwrite.c
    cpukit/zlib/infback.c
    cpukit/zlib/inffast.c
    cpukit/zlib/inflate.c
    cpukit/zlib/inflate.h
    cpukit/zlib/inftrees.c
    cpukit/zlib/inftrees.h
    cpukit/zlib/trees.c
    cpukit/zlib/uncompr.c
    cpukit/zlib/zconf.h
    cpukit/zlib/zlib.3
    cpukit/zlib/zlib.h
    cpukit/zlib/zutil.c
    cpukit/zlib/zutil.h
    testsuites/libtests/mathf/.cvsignore
    testsuites/libtests/mathf/Makefile.am
    testsuites/libtests/mathf/domathf.c
    testsuites/libtests/mathf/init.c
    testsuites/libtests/mathf/mathf.scn

1 files changed, 62 insertions, 0 deletions

diff --git a/cpukit/zlib/inftrees.h b/cpukit/zlib/inftrees.h
new file mode 100644
index 0000000000..67461da034
--- /dev/null
+++ b/cpukit/zlib/inftrees.h
@@ -0,0 +1,62 @@
+/* inftrees.h -- header to use inftrees.c
+ * Copyright (C) 1995-2005 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+   part of the implementation of the compression library and is
+   subject to change. Applications should only use zlib.h.
+ */
+
+/* Structure for decoding tables.  Each entry provides either the
+   information needed to do the operation requested by the code that
+   indexed that table entry, or it provides a pointer to another
+   table that indexes more bits of the code.  op indicates whether
+   the entry is a pointer to another table, a literal, a length or
+   distance, an end-of-block, or an invalid code.  For a table
+   pointer, the low four bits of op is the number of index bits of
+   that table.  For a length or distance, the low four bits of op
+   is the number of extra bits to get after the code.  bits is
+   the number of bits in this code or part of the code to drop off
+   of the bit buffer.  val is the actual byte to output in the case
+   of a literal, the base length or distance, or the offset from
+   the current table to the next table.  Each entry is four bytes. */
+typedef struct {
+    unsigned char op;           /* operation, extra bits, table bits */
+    unsigned char bits;         /* bits in this part of the code */
+    unsigned short val;         /* offset in table or code value */
+} code;
+
+/* op values as set by inflate_table():
+    00000000 - literal
+    0000tttt - table link, tttt != 0 is the number of table index bits
+    0001eeee - length or distance, eeee is the number of extra bits
+    01100000 - end of block
+    01000000 - invalid code
+ */
+
+/* Maximum size of the dynamic table.  The maximum number of code structures is
+   1444, which is the sum of 852 for literal/length codes and 592 for distance
+   codes.  These values were found by exhaustive searches using the program
+   examples/enough.c found in the zlib distribtution.  The arguments to that
+   program are the number of symbols, the initial root table size, and the
+   maximum bit length of a code.  "enough 286 9 15" for literal/length codes
+   returns returns 852, and "enough 30 6 15" for distance codes returns 592.
+   The initial root table size (9 or 6) is found in the fifth argument of the
+   inflate_table() calls in inflate.c and infback.c.  If the root table size is
+   changed, then these maximum sizes would be need to be recalculated and
+   updated. */
+#define ENOUGH_LENS 852
+#define ENOUGH_DISTS 592
+#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS)
+
+/* Type of code to build for inflate_table() */
+typedef enum {
+    CODES,
+    LENS,
+    DISTS
+} codetype;
+
+extern int inflate_table OF((codetype type, unsigned short FAR *lens,
+                             unsigned codes, code FAR * FAR *table,
+                             unsigned FAR *bits, unsigned short FAR *work));