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authorSolomon Peachy <pizza@shaftnet.org>2020-04-08 14:39:30 -0400
committerSolomon Peachy <pizza@shaftnet.org>2020-04-09 02:24:49 +0200
commit8d2d6f4ca5ea75c9708f303c8b58aafe4b86de23 (patch)
treecf59d68f5ac17879ac836710d10fcc7c19cc519f
parent5cdfe30e797a012dfad4bd32f5036a01cf704876 (diff)
downloadrockbox-8d2d6f4.tar.gz
rockbox-8d2d6f4.tar.bz2
rockbox-8d2d6f4.zip
rbutil: Add bspatch and libbzip2
This is to enable binary patching of Hiby-based firmware files Note that noting in rbutil uses this yet. Change-Id: I03ac824dd7402d508eb4e857ad78f184eb0d0243
-rw-r--r--.gitignore4
-rw-r--r--docs/CREDITS3
-rw-r--r--docs/LICENSES74
-rw-r--r--rbutil/bspatch/Makefile17
-rw-r--r--rbutil/bspatch/bspatch.c217
-rw-r--r--rbutil/bspatch/bspatch.h10
-rw-r--r--rbutil/bspatch/main.c34
-rw-r--r--rbutil/bzip2/Makefile15
-rw-r--r--rbutil/bzip2/blocksort.c1094
-rw-r--r--rbutil/bzip2/bzlib.c1572
-rw-r--r--rbutil/bzip2/bzlib.h282
-rw-r--r--rbutil/bzip2/bzlib_private.h512
-rw-r--r--rbutil/bzip2/compress.c672
-rw-r--r--rbutil/bzip2/crctable.c104
-rw-r--r--rbutil/bzip2/decompress.c646
-rw-r--r--rbutil/bzip2/huffman.c205
-rw-r--r--rbutil/bzip2/randtable.c84
-rw-r--r--rbutil/libtools.make5
-rw-r--r--rbutil/rbutilqt/Makefile.libs8
-rw-r--r--rbutil/rbutilqt/rbutilqt.pro2
20 files changed, 5558 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore
index 141d156cae..e748449989 100644
--- a/.gitignore
+++ b/.gitignore
@@ -67,6 +67,9 @@
# /rbutil/chinachippatcher/
/rbutil/chinachippatcher/chinachip
+# /rbutil/bspatch/
+/rbutil/bspatch/bspatch
+
# /rbutil/rbutilqt/
/rbutil/rbutilqt/build
/rbutil/rbutilqt/RockboxUtility
@@ -90,6 +93,7 @@
/rbutil/mkimxboot/mkimxboot
/rbutil/mknwzboot/mknwzboot
/rbutil/mkzenboot/mkzenboot
+/rbutil/tools/bin2c
# /tools/
/tools/bdf2bmp
diff --git a/docs/CREDITS b/docs/CREDITS
index 2c5ab34710..afd08ac879 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -723,3 +723,6 @@ The Wolfenstein 3D team
The MAME team
The Quake team
The Pocket Quake team (Dan East and others)
+The bzip2 team
+The bsdiff team
+
diff --git a/docs/LICENSES b/docs/LICENSES
index 47ddcb19c2..d340d3961b 100644
--- a/docs/LICENSES
+++ b/docs/LICENSES
@@ -69,3 +69,77 @@ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*************************************************************************
+In: rbutil/bzip2
+From: https://github.com/cnSchwarzer/bsdiff-win
+*************************************************************************
+
+This program, "bzip2", the associated library "libbzip2", and all
+documentation, are copyright (C) 1996-2019 Julian R Seward. All
+rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+2. The origin of this software must not be misrepresented; you must
+ not claim that you wrote the original software. If you use this
+ software in a product, an acknowledgment in the product
+ documentation would be appreciated but is not required.
+
+3. Altered source versions must be plainly marked as such, and must
+ not be misrepresented as being the original software.
+
+4. The name of the author may not be used to endorse or promote
+ products derived from this software without specific prior written
+ permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Julian Seward, jseward@acm.org
+bzip2/libbzip2 version 1.0.6 of 6 September 2010
+
+*************************************************************************
+In: rbutil/bspatch/bspatch.c
+From: https://github.com/cnSchwarzer/bsdiff-win
+*************************************************************************
+
+/*-
+ * Copyright 2003-2005 Colin Percival
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted providing that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
diff --git a/rbutil/bspatch/Makefile b/rbutil/bspatch/Makefile
new file mode 100644
index 0000000000..5fa2598bce
--- /dev/null
+++ b/rbutil/bspatch/Makefile
@@ -0,0 +1,17 @@
+# __________ __ ___.
+# Open \______ \ ____ ____ | | _\_ |__ _______ ___
+# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+# \/ \/ \/ \/ \/
+# $Id$
+#
+
+LIBSOURCES := bspatch.c
+
+SOURCES := main.c
+
+OUTPUT := bspatch
+EXTRADEPS := libbzip2.a
+
+include ../libtools.make
diff --git a/rbutil/bspatch/bspatch.c b/rbutil/bspatch/bspatch.c
new file mode 100644
index 0000000000..aab4c1dc6f
--- /dev/null
+++ b/rbutil/bspatch/bspatch.c
@@ -0,0 +1,217 @@
+/*-
+ * Copyright 2003-2005 Colin Percival
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted providing that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef WIN32
+#include <io.h>
+#else
+#include <stdarg.h>
+#endif
+#include "../bzip2/bzlib.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+
+#define errx err
+void err(int exitcode, const char * fmt, ...)
+{
+ va_list valist;
+ va_start(valist, fmt);
+ vprintf(fmt, valist);
+ va_end(valist);
+ exit(exitcode);
+}
+
+static long offtin(u_char *buf)
+{
+ long y;
+
+ y = buf[7] & 0x7F;
+ y = y * 256;y += buf[6];
+ y = y * 256;y += buf[5];
+ y = y * 256;y += buf[4];
+ y = y * 256;y += buf[3];
+ y = y * 256;y += buf[2];
+ y = y * 256;y += buf[1];
+ y = y * 256;y += buf[0];
+
+ if (buf[7] & 0x80) y = -y;
+
+ return y;
+}
+
+int apply_bspatch(const char *infile, const char *outfile, const char *patchfile)
+{
+ FILE * f, *cpf, *dpf, *epf;
+ BZFILE * cpfbz2, *dpfbz2, *epfbz2;
+ int cbz2err, dbz2err, ebz2err;
+ FILE * fs;
+ long oldsize, newsize;
+ long bzctrllen, bzdatalen;
+ u_char header[32], buf[8];
+ u_char *pold, *pnew;
+ long oldpos, newpos;
+ long ctrl[3];
+ long lenread;
+ long i;
+
+ /* Open patch file */
+ if ((f = fopen(patchfile, "r")) == NULL)
+ err(1, "fopen(%s)", patchfile);
+
+ /*
+ File format:
+ 0 8 "BSDIFF40"
+ 8 8 X
+ 16 8 Y
+ 24 8 sizeof(newfile)
+ 32 X bzip2(control block)
+ 32+X Y bzip2(diff block)
+ 32+X+Y ??? bzip2(extra block)
+ with control block a set of triples (x,y,z) meaning "add x bytes
+ from oldfile to x bytes from the diff block; copy y bytes from the
+ extra block; seek forwards in oldfile by z bytes".
+ */
+
+ /* Read header */
+ if (fread(header, 1, 32, f) < 32) {
+ if (feof(f))
+ errx(1, "Corrupt patch\n");
+ err(1, "fread(%s)", patchfile);
+ }
+
+ /* Check for appropriate magic */
+ if (memcmp(header, "BSDIFF40", 8) != 0)
+ errx(1, "Corrupt patch\n");
+
+ /* Read lengths from header */
+ bzctrllen = offtin(header + 8);
+ bzdatalen = offtin(header + 16);
+ newsize = offtin(header + 24);
+ if ((bzctrllen < 0) || (bzdatalen < 0) || (newsize < 0))
+ errx(1, "Corrupt patch\n");
+
+ /* Close patch file and re-open it via libbzip2 at the right places */
+ if (fclose(f))
+ err(1, "fclose(%s)", patchfile);
+ if ((cpf = fopen(patchfile, "rb")) == NULL)
+ err(1, "fopen(%s)", patchfile);
+ if (fseek(cpf, 32, SEEK_SET))
+ err(1, "fseeko(%s, %lld)", patchfile,
+ (long long)32);
+ if ((cpfbz2 = BZ2_bzReadOpen(&cbz2err, cpf, 0, 0, NULL, 0)) == NULL)
+ errx(1, "BZ2_bzReadOpen, bz2err = %d", cbz2err);
+ if ((dpf = fopen(patchfile, "rb")) == NULL)
+ err(1, "fopen(%s)", patchfile);
+ if (fseek(dpf, 32 + bzctrllen, SEEK_SET))
+ err(1, "fseeko(%s, %lld)", patchfile,
+ (long long)(32 + bzctrllen));
+ if ((dpfbz2 = BZ2_bzReadOpen(&dbz2err, dpf, 0, 0, NULL, 0)) == NULL)
+ errx(1, "BZ2_bzReadOpen, bz2err = %d", dbz2err);
+ if ((epf = fopen(patchfile, "rb")) == NULL)
+ err(1, "fopen(%s)", patchfile);
+ if (fseek(epf, 32 + bzctrllen + bzdatalen, SEEK_SET))
+ err(1, "fseeko(%s, %lld)", patchfile,
+ (long long)(32 + bzctrllen + bzdatalen));
+ if ((epfbz2 = BZ2_bzReadOpen(&ebz2err, epf, 0, 0, NULL, 0)) == NULL)
+ errx(1, "BZ2_bzReadOpen, bz2err = %d", ebz2err);
+
+ fs = fopen(infile, "rb");
+ if (fs == NULL)err(1, "Open failed :%s", infile);
+ if (fseek(fs, 0, SEEK_END) != 0)err(1, "Seek failed :%s", infile);
+ oldsize = ftell(fs);
+ pold = (u_char *)malloc(oldsize + 1);
+ if (pold == NULL) err(1, "Malloc failed :%s", infile);
+ fseek(fs, 0, SEEK_SET);
+ if (fread(pold, 1, oldsize, fs) == -1) err(1, "Read failed :%s", infile);
+ if (fclose(fs) == -1) err(1, "Close failed :%s", infile);
+
+ pnew = malloc(newsize + 1);
+ if (pnew == NULL)err(1, NULL);
+
+ oldpos = 0;newpos = 0;
+ while (newpos < newsize) {
+ /* Read control data */
+ for (i = 0;i <= 2;i++) {
+ lenread = BZ2_bzRead(&cbz2err, cpfbz2, buf, 8);
+ if ((lenread < 8) || ((cbz2err != BZ_OK) &&
+ (cbz2err != BZ_STREAM_END)))
+ errx(1, "Corrupt patch\n");
+ ctrl[i] = offtin(buf);
+ };
+
+ /* Sanity-check */
+ if (newpos + ctrl[0] > newsize)
+ errx(1, "Corrupt patch\n");
+
+ /* Read diff string */
+ lenread = BZ2_bzRead(&dbz2err, dpfbz2, pnew + newpos, ctrl[0]);
+ if ((lenread < ctrl[0]) ||
+ ((dbz2err != BZ_OK) && (dbz2err != BZ_STREAM_END)))
+ errx(1, "Corrupt patch\n");
+
+ /* Add pold data to diff string */
+ for (i = 0;i < ctrl[0];i++)
+ if ((oldpos + i >= 0) && (oldpos + i < oldsize))
+ pnew[newpos + i] += pold[oldpos + i];
+
+ /* Adjust pointers */
+ newpos += ctrl[0];
+ oldpos += ctrl[0];
+
+ /* Sanity-check */
+ if (newpos + ctrl[1] > newsize)
+ errx(1, "Corrupt patch\n");
+
+ /* Read extra string */
+ lenread = BZ2_bzRead(&ebz2err, epfbz2, pnew + newpos, ctrl[1]);
+ if ((lenread < ctrl[1]) ||
+ ((ebz2err != BZ_OK) && (ebz2err != BZ_STREAM_END)))
+ errx(1, "Corrupt patch\n");
+
+ /* Adjust pointers */
+ newpos += ctrl[1];
+ oldpos += ctrl[2];
+ };
+
+ /* Clean up the bzip2 reads */
+ BZ2_bzReadClose(&cbz2err, cpfbz2);
+ BZ2_bzReadClose(&dbz2err, dpfbz2);
+ BZ2_bzReadClose(&ebz2err, epfbz2);
+ if (fclose(cpf) || fclose(dpf) || fclose(epf))
+ err(1, "fclose(%s)", patchfile);
+
+ /* Write the pnew file */
+ fs = fopen(outfile, "wb");
+ if (fs == NULL)err(1, "Create failed :%s", outfile);
+ if (fwrite(pnew, 1, newsize, fs) == -1)err(1, "Write failed :%s", outfile);
+ if (fclose(fs) == -1)err(1, "Close failed :%s", outfile);
+
+ free(pnew);
+ free(pold);
+
+ return 0;
+}
diff --git a/rbutil/bspatch/bspatch.h b/rbutil/bspatch/bspatch.h
new file mode 100644
index 0000000000..666b460647
--- /dev/null
+++ b/rbutil/bspatch/bspatch.h
@@ -0,0 +1,10 @@
+/*
+ * Simple wrapper for the bspatch entry point.
+ */
+
+#ifndef _BSPATCH_H
+#define _BSPATCH_H
+
+int apply_bspatch(const char *infile, const char *outfile, const char *patchfile);
+
+#endif /* _BSPATCH_H */
diff --git a/rbutil/bspatch/main.c b/rbutil/bspatch/main.c
new file mode 100644
index 0000000000..e130457256
--- /dev/null
+++ b/rbutil/bspatch/main.c
@@ -0,0 +1,34 @@
+/*-
+ * Copyright 2003-2005 Colin Percival
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted providing that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bspatch.c"
+
+int main(int argc, char * argv[])
+{
+ if (argc != 4) errx(1, "usage: %s oldfile newfile patchfile\n", argv[0]);
+
+ apply_bspatch(argv[1], argv[2], argv[3]);
+}
diff --git a/rbutil/bzip2/Makefile b/rbutil/bzip2/Makefile
new file mode 100644
index 0000000000..0af1165223
--- /dev/null
+++ b/rbutil/bzip2/Makefile
@@ -0,0 +1,15 @@
+# __________ __ ___.
+# Open \______ \ ____ ____ | | _\_ |__ _______ ___
+# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+# \/ \/ \/ \/ \/
+# $Id$
+#
+
+LIBSOURCES := blocksort.c compress.c decompress.c randtable.c \
+ bzlib.c crctable.c huffman.c
+
+OUTPUT := bzip2
+
+include ../libtools.make
diff --git a/rbutil/bzip2/blocksort.c b/rbutil/bzip2/blocksort.c
new file mode 100644
index 0000000000..d0d662cd4e
--- /dev/null
+++ b/rbutil/bzip2/blocksort.c
@@ -0,0 +1,1094 @@
+
+/*-------------------------------------------------------------*/
+/*--- Block sorting machinery ---*/
+/*--- blocksort.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#include "bzlib_private.h"
+
+/*---------------------------------------------*/
+/*--- Fallback O(N log(N)^2) sorting ---*/
+/*--- algorithm, for repetitive blocks ---*/
+/*---------------------------------------------*/
+
+/*---------------------------------------------*/
+static
+__inline__
+void fallbackSimpleSort ( UInt32* fmap,
+ UInt32* eclass,
+ Int32 lo,
+ Int32 hi )
+{
+ Int32 i, j, tmp;
+ UInt32 ec_tmp;
+
+ if (lo == hi) return;
+
+ if (hi - lo > 3) {
+ for ( i = hi-4; i >= lo; i-- ) {
+ tmp = fmap[i];
+ ec_tmp = eclass[tmp];
+ for ( j = i+4; j <= hi && ec_tmp > eclass[fmap[j]]; j += 4 )
+ fmap[j-4] = fmap[j];
+ fmap[j-4] = tmp;
+ }
+ }
+
+ for ( i = hi-1; i >= lo; i-- ) {
+ tmp = fmap[i];
+ ec_tmp = eclass[tmp];
+ for ( j = i+1; j <= hi && ec_tmp > eclass[fmap[j]]; j++ )
+ fmap[j-1] = fmap[j];
+ fmap[j-1] = tmp;
+ }
+}
+
+
+/*---------------------------------------------*/
+#define fswap(zz1, zz2) \
+ { Int32 zztmp = zz1; zz1 = zz2; zz2 = zztmp; }
+
+#define fvswap(zzp1, zzp2, zzn) \
+{ \
+ Int32 yyp1 = (zzp1); \
+ Int32 yyp2 = (zzp2); \
+ Int32 yyn = (zzn); \
+ while (yyn > 0) { \
+ fswap(fmap[yyp1], fmap[yyp2]); \
+ yyp1++; yyp2++; yyn--; \
+ } \
+}
+
+
+#define fmin(a,b) ((a) < (b)) ? (a) : (b)
+
+#define fpush(lz,hz) { stackLo[sp] = lz; \
+ stackHi[sp] = hz; \
+ sp++; }
+
+#define fpop(lz,hz) { sp--; \
+ lz = stackLo[sp]; \
+ hz = stackHi[sp]; }
+
+#define FALLBACK_QSORT_SMALL_THRESH 10
+#define FALLBACK_QSORT_STACK_SIZE 100
+
+
+static
+void fallbackQSort3 ( UInt32* fmap,
+ UInt32* eclass,
+ Int32 loSt,
+ Int32 hiSt )
+{
+ Int32 unLo, unHi, ltLo, gtHi, n, m;
+ Int32 sp, lo, hi;
+ UInt32 med, r, r3;
+ Int32 stackLo[FALLBACK_QSORT_STACK_SIZE];
+ Int32 stackHi[FALLBACK_QSORT_STACK_SIZE];
+
+ r = 0;
+
+ sp = 0;
+ fpush ( loSt, hiSt );
+
+ while (sp > 0) {
+
+ AssertH ( sp < FALLBACK_QSORT_STACK_SIZE - 1, 1004 );
+
+ fpop ( lo, hi );
+ if (hi - lo < FALLBACK_QSORT_SMALL_THRESH) {
+ fallbackSimpleSort ( fmap, eclass, lo, hi );
+ continue;
+ }
+
+ /* Random partitioning. Median of 3 sometimes fails to
+ avoid bad cases. Median of 9 seems to help but
+ looks rather expensive. This too seems to work but
+ is cheaper. Guidance for the magic constants
+ 7621 and 32768 is taken from Sedgewick's algorithms
+ book, chapter 35.
+ */
+ r = ((r * 7621) + 1) % 32768;
+ r3 = r % 3;
+ if (r3 == 0) med = eclass[fmap[lo]]; else
+ if (r3 == 1) med = eclass[fmap[(lo+hi)>>1]]; else
+ med = eclass[fmap[hi]];
+
+ unLo = ltLo = lo;
+ unHi = gtHi = hi;
+
+ while (1) {
+ while (1) {
+ if (unLo > unHi) break;
+ n = (Int32)eclass[fmap[unLo]] - (Int32)med;
+ if (n == 0) {
+ fswap(fmap[unLo], fmap[ltLo]);
+ ltLo++; unLo++;
+ continue;
+ };
+ if (n > 0) break;
+ unLo++;
+ }
+ while (1) {
+ if (unLo > unHi) break;
+ n = (Int32)eclass[fmap[unHi]] - (Int32)med;
+ if (n == 0) {
+ fswap(fmap[unHi], fmap[gtHi]);
+ gtHi--; unHi--;
+ continue;
+ };
+ if (n < 0) break;
+ unHi--;
+ }
+ if (unLo > unHi) break;
+ fswap(fmap[unLo], fmap[unHi]); unLo++; unHi--;
+ }
+
+ AssertD ( unHi == unLo-1, "fallbackQSort3(2)" );
+
+ if (gtHi < ltLo) continue;
+
+ n = fmin(ltLo-lo, unLo-ltLo); fvswap(lo, unLo-n, n);
+ m = fmin(hi-gtHi, gtHi-unHi); fvswap(unLo, hi-m+1, m);
+
+ n = lo + unLo - ltLo - 1;
+ m = hi - (gtHi - unHi) + 1;
+
+ if (n - lo > hi - m) {
+ fpush ( lo, n );
+ fpush ( m, hi );
+ } else {
+ fpush ( m, hi );
+ fpush ( lo, n );
+ }
+ }
+}
+
+#undef fmin
+#undef fpush
+#undef fpop
+#undef fswap
+#undef fvswap
+#undef FALLBACK_QSORT_SMALL_THRESH
+#undef FALLBACK_QSORT_STACK_SIZE
+
+
+/*---------------------------------------------*/
+/* Pre:
+ nblock > 0
+ eclass exists for [0 .. nblock-1]
+ ((UChar*)eclass) [0 .. nblock-1] holds block
+ ptr exists for [0 .. nblock-1]
+
+ Post:
+ ((UChar*)eclass) [0 .. nblock-1] holds block
+ All other areas of eclass destroyed
+ fmap [0 .. nblock-1] holds sorted order
+ bhtab [ 0 .. 2+(nblock/32) ] destroyed
+*/
+
+#define SET_BH(zz) bhtab[(zz) >> 5] |= (1 << ((zz) & 31))
+#define CLEAR_BH(zz) bhtab[(zz) >> 5] &= ~(1 << ((zz) & 31))
+#define ISSET_BH(zz) (bhtab[(zz) >> 5] & (1 << ((zz) & 31)))
+#define WORD_BH(zz) bhtab[(zz) >> 5]
+#define UNALIGNED_BH(zz) ((zz) & 0x01f)
+
+static
+void fallbackSort ( UInt32* fmap,
+ UInt32* eclass,
+ UInt32* bhtab,
+ Int32 nblock,
+ Int32 verb )
+{
+ Int32 ftab[257];
+ Int32 ftabCopy[256];
+ Int32 H, i, j, k, l, r, cc, cc1;
+ Int32 nNotDone;
+ Int32 nBhtab;
+ UChar* eclass8 = (UChar*)eclass;
+
+ /*--
+ Initial 1-char radix sort to generate
+ initial fmap and initial BH bits.
+ --*/
+ if (verb >= 4)
+ VPrintf0 ( " bucket sorting ...\n" );
+ for (i = 0; i < 257; i++) ftab[i] = 0;
+ for (i = 0; i < nblock; i++) ftab[eclass8[i]]++;
+ for (i = 0; i < 256; i++) ftabCopy[i] = ftab[i];
+ for (i = 1; i < 257; i++) ftab[i] += ftab[i-1];
+
+ for (i = 0; i < nblock; i++) {
+ j = eclass8[i];
+ k = ftab[j] - 1;
+ ftab[j] = k;
+ fmap[k] = i;
+ }
+
+ nBhtab = 2 + (nblock / 32);
+ for (i = 0; i < nBhtab; i++) bhtab[i] = 0;
+ for (i = 0; i < 256; i++) SET_BH(ftab[i]);
+
+ /*--
+ Inductively refine the buckets. Kind-of an
+ "exponential radix sort" (!), inspired by the
+ Manber-Myers suffix array construction algorithm.
+ --*/
+
+ /*-- set sentinel bits for block-end detection --*/
+ for (i = 0; i < 32; i++) {
+ SET_BH(nblock + 2*i);
+ CLEAR_BH(nblock + 2*i + 1);
+ }
+
+ /*-- the log(N) loop --*/
+ H = 1;
+ while (1) {
+
+ if (verb >= 4)
+ VPrintf1 ( " depth %6d has ", H );
+
+ j = 0;
+ for (i = 0; i < nblock; i++) {
+ if (ISSET_BH(i)) j = i;
+ k = fmap[i] - H; if (k < 0) k += nblock;
+ eclass[k] = j;
+ }
+
+ nNotDone = 0;
+ r = -1;
+ while (1) {
+
+ /*-- find the next non-singleton bucket --*/
+ k = r + 1;
+ while (ISSET_BH(k) && UNALIGNED_BH(k)) k++;
+ if (ISSET_BH(k)) {
+ while (WORD_BH(k) == 0xffffffff) k += 32;
+ while (ISSET_BH(k)) k++;
+ }
+ l = k - 1;
+ if (l >= nblock) break;
+ while (!ISSET_BH(k) && UNALIGNED_BH(k)) k++;
+ if (!ISSET_BH(k)) {
+ while (WORD_BH(k) == 0x00000000) k += 32;
+ while (!ISSET_BH(k)) k++;
+ }
+ r = k - 1;
+ if (r >= nblock) break;
+
+ /*-- now [l, r] bracket current bucket --*/
+ if (r > l) {
+ nNotDone += (r - l + 1);
+ fallbackQSort3 ( fmap, eclass, l, r );
+
+ /*-- scan bucket and generate header bits-- */
+ cc = -1;
+ for (i = l; i <= r; i++) {
+ cc1 = eclass[fmap[i]];
+ if (cc != cc1) { SET_BH(i); cc = cc1; };
+ }
+ }
+ }
+
+ if (verb >= 4)
+ VPrintf1 ( "%6d unresolved strings\n", nNotDone );
+
+ H *= 2;
+ if (H > nblock || nNotDone == 0) break;
+ }
+
+ /*--
+ Reconstruct the original block in
+ eclass8 [0 .. nblock-1], since the
+ previous phase destroyed it.
+ --*/
+ if (verb >= 4)
+ VPrintf0 ( " reconstructing block ...\n" );
+ j = 0;
+ for (i = 0; i < nblock; i++) {
+ while (ftabCopy[j] == 0) j++;
+ ftabCopy[j]--;
+ eclass8[fmap[i]] = (UChar)j;
+ }
+ AssertH ( j < 256, 1005 );
+}
+
+#undef SET_BH
+#undef CLEAR_BH
+#undef ISSET_BH
+#undef WORD_BH
+#undef UNALIGNED_BH
+
+
+/*---------------------------------------------*/
+/*--- The main, O(N^2 log(N)) sorting ---*/
+/*--- algorithm. Faster for "normal" ---*/
+/*--- non-repetitive blocks. ---*/
+/*---------------------------------------------*/
+
+/*---------------------------------------------*/
+static
+__inline__
+Bool mainGtU ( UInt32 i1,
+ UInt32 i2,
+ UChar* block,
+ UInt16* quadrant,
+ UInt32 nblock,
+ Int32* budget )
+{
+ Int32 k;
+ UChar c1, c2;
+ UInt16 s1, s2;
+
+ AssertD ( i1 != i2, "mainGtU" );
+ /* 1 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 2 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 3 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 4 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 5 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 6 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 7 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 8 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 9 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 10 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 11 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+ /* 12 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ i1++; i2++;
+
+ k = nblock + 8;
+
+ do {
+ /* 1 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 2 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 3 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 4 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 5 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 6 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 7 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+ /* 8 */
+ c1 = block[i1]; c2 = block[i2];
+ if (c1 != c2) return (c1 > c2);
+ s1 = quadrant[i1]; s2 = quadrant[i2];
+ if (s1 != s2) return (s1 > s2);
+ i1++; i2++;
+
+ if (i1 >= nblock) i1 -= nblock;
+ if (i2 >= nblock) i2 -= nblock;
+
+ k -= 8;
+ (*budget)--;
+ }
+ while (k >= 0);
+
+ return False;
+}
+
+
+/*---------------------------------------------*/
+/*--
+ Knuth's increments seem to work better
+ than Incerpi-Sedgewick here. Possibly
+ because the number of elems to sort is
+ usually small, typically <= 20.
+--*/
+static
+Int32 incs[14] = { 1, 4, 13, 40, 121, 364, 1093, 3280,
+ 9841, 29524, 88573, 265720,
+ 797161, 2391484 };
+
+static
+void mainSimpleSort ( UInt32* ptr,
+ UChar* block,
+ UInt16* quadrant,
+ Int32 nblock,
+ Int32 lo,
+ Int32 hi,
+ Int32 d,
+ Int32* budget )
+{
+ Int32 i, j, h, bigN, hp;
+ UInt32 v;
+
+ bigN = hi - lo + 1;
+ if (bigN < 2) return;
+
+ hp = 0;
+ while (incs[hp] < bigN) hp++;
+ hp--;
+
+ for (; hp >= 0; hp--) {
+ h = incs[hp];
+
+ i = lo + h;
+ while (True) {
+
+ /*-- copy 1 --*/
+ if (i > hi) break;
+ v = ptr[i];
+ j = i;
+ while ( mainGtU (
+ ptr[j-h]+d, v+d, block, quadrant, nblock, budget
+ ) ) {
+ ptr[j] = ptr[j-h];
+ j = j - h;
+ if (j <= (lo + h - 1)) break;
+ }
+ ptr[j] = v;
+ i++;
+
+ /*-- copy 2 --*/
+ if (i > hi) break;
+ v = ptr[i];
+ j = i;
+ while ( mainGtU (
+ ptr[j-h]+d, v+d, block, quadrant, nblock, budget
+ ) ) {
+ ptr[j] = ptr[j-h];
+ j = j - h;
+ if (j <= (lo + h - 1)) break;
+ }
+ ptr[j] = v;
+ i++;
+
+ /*-- copy 3 --*/
+ if (i > hi) break;
+ v = ptr[i];
+ j = i;
+ while ( mainGtU (
+ ptr[j-h]+d, v+d, block, quadrant, nblock, budget
+ ) ) {
+ ptr[j] = ptr[j-h];
+ j = j - h;
+ if (j <= (lo + h - 1)) break;
+ }
+ ptr[j] = v;
+ i++;
+
+ if (*budget < 0) return;
+ }
+ }
+}
+
+
+/*---------------------------------------------*/
+/*--
+ The following is an implementation of
+ an elegant 3-way quicksort for strings,
+ described in a paper "Fast Algorithms for
+ Sorting and Searching Strings", by Robert
+ Sedgewick and Jon L. Bentley.
+--*/
+
+#define mswap(zz1, zz2) \
+ { Int32 zztmp = zz1; zz1 = zz2; zz2 = zztmp; }
+
+#define mvswap(zzp1, zzp2, zzn) \
+{ \
+ Int32 yyp1 = (zzp1); \
+ Int32 yyp2 = (zzp2); \
+ Int32 yyn = (zzn); \
+ while (yyn > 0) { \
+ mswap(ptr[yyp1], ptr[yyp2]); \
+ yyp1++; yyp2++; yyn--; \
+ } \
+}
+
+static
+__inline__
+UChar mmed3 ( UChar a, UChar b, UChar c )
+{
+ UChar t;
+ if (a > b) { t = a; a = b; b = t; };
+ if (b > c) {
+ b = c;
+ if (a > b) b = a;
+ }
+ return b;
+}
+
+#define mmin(a,b) ((a) < (b)) ? (a) : (b)
+
+#define mpush(lz,hz,dz) { stackLo[sp] = lz; \
+ stackHi[sp] = hz; \
+ stackD [sp] = dz; \
+ sp++; }
+
+#define mpop(lz,hz,dz) { sp--; \
+ lz = stackLo[sp]; \
+ hz = stackHi[sp]; \
+ dz = stackD [sp]; }
+
+
+#define mnextsize(az) (nextHi[az]-nextLo[az])
+
+#define mnextswap(az,bz) \
+ { Int32 tz; \
+ tz = nextLo[az]; nextLo[az] = nextLo[bz]; nextLo[bz] = tz; \
+ tz = nextHi[az]; nextHi[az] = nextHi[bz]; nextHi[bz] = tz; \
+ tz = nextD [az]; nextD [az] = nextD [bz]; nextD [bz] = tz; }
+
+
+#define MAIN_QSORT_SMALL_THRESH 20
+#define MAIN_QSORT_DEPTH_THRESH (BZ_N_RADIX + BZ_N_QSORT)
+#define MAIN_QSORT_STACK_SIZE 100
+
+static
+void mainQSort3 ( UInt32* ptr,
+ UChar* block,
+ UInt16* quadrant,
+ Int32 nblock,
+ Int32 loSt,
+ Int32 hiSt,
+ Int32 dSt,
+ Int32* budget )
+{
+ Int32 unLo, unHi, ltLo, gtHi, n, m, med;
+ Int32 sp, lo, hi, d;
+
+ Int32 stackLo[MAIN_QSORT_STACK_SIZE];
+ Int32 stackHi[MAIN_QSORT_STACK_SIZE];
+ Int32 stackD [MAIN_QSORT_STACK_SIZE];
+
+ Int32 nextLo[3];
+ Int32 nextHi[3];
+ Int32 nextD [3];
+
+ sp = 0;
+ mpush ( loSt, hiSt, dSt );
+
+ while (sp > 0) {
+
+ AssertH ( sp < MAIN_QSORT_STACK_SIZE - 2, 1001 );
+
+ mpop ( lo, hi, d );
+ if (hi - lo < MAIN_QSORT_SMALL_THRESH ||
+ d > MAIN_QSORT_DEPTH_THRESH) {
+ mainSimpleSort ( ptr, block, quadrant, nblock, lo, hi, d, budget );
+ if (*budget < 0) return;
+ continue;
+ }
+
+ med = (Int32)
+ mmed3 ( block[ptr[ lo ]+d],
+ block[ptr[ hi ]+d],
+ block[ptr[ (lo+hi)>>1 ]+d] );
+
+ unLo = ltLo = lo;
+ unHi = gtHi = hi;
+
+ while (True) {
+ while (True) {
+ if (unLo > unHi) break;
+ n = ((Int32)block[ptr[unLo]+d]) - med;
+ if (n == 0) {
+ mswap(ptr[unLo], ptr[ltLo]);
+ ltLo++; unLo++; continue;
+ };
+ if (n > 0) break;
+ unLo++;
+ }
+ while (True) {
+ if (unLo > unHi) break;
+ n = ((Int32)block[ptr[unHi]+d]) - med;
+ if (n == 0) {
+ mswap(ptr[unHi], ptr[gtHi]);
+ gtHi--; unHi--; continue;
+ };
+ if (n < 0) break;
+ unHi--;
+ }
+ if (unLo > unHi) break;
+ mswap(ptr[unLo], ptr[unHi]); unLo++; unHi--;
+ }
+
+ AssertD ( unHi == unLo-1, "mainQSort3(2)" );
+
+ if (gtHi < ltLo) {
+ mpush(lo, hi, d+1 );
+ continue;
+ }
+
+ n = mmin(ltLo-lo, unLo-ltLo); mvswap(lo, unLo-n, n);
+ m = mmin(hi-gtHi, gtHi-unHi); mvswap(unLo, hi-m+1, m);
+
+ n = lo + unLo - ltLo - 1;
+ m = hi - (gtHi - unHi) + 1;
+
+ nextLo[0] = lo; nextHi[0] = n; nextD[0] = d;
+ nextLo[1] = m; nextHi[1] = hi; nextD[1] = d;
+ nextLo[2] = n+1; nextHi[2] = m-1; nextD[2] = d+1;
+
+ if (mnextsize(0) < mnextsize(1)) mnextswap(0,1);
+ if (mnextsize(1) < mnextsize(2)) mnextswap(1,2);
+ if (mnextsize(0) < mnextsize(1)) mnextswap(0,1);
+
+ AssertD (mnextsize(0) >= mnextsize(1), "mainQSort3(8)" );
+ AssertD (mnextsize(1) >= mnextsize(2), "mainQSort3(9)" );
+
+ mpush (nextLo[0], nextHi[0], nextD[0]);
+ mpush (nextLo[1], nextHi[1], nextD[1]);
+ mpush (nextLo[2], nextHi[2], nextD[2]);
+ }
+}
+
+#undef mswap
+#undef mvswap
+#undef mpush
+#undef mpop
+#undef mmin
+#undef mnextsize
+#undef mnextswap
+#undef MAIN_QSORT_SMALL_THRESH
+#undef MAIN_QSORT_DEPTH_THRESH
+#undef MAIN_QSORT_STACK_SIZE
+
+
+/*---------------------------------------------*/
+/* Pre:
+ nblock > N_OVERSHOOT
+ block32 exists for [0 .. nblock-1 +N_OVERSHOOT]
+ ((UChar*)block32) [0 .. nblock-1] holds block
+ ptr exists for [0 .. nblock-1]
+
+ Post:
+ ((UChar*)block32) [0 .. nblock-1] holds block
+ All other areas of block32 destroyed
+ ftab [0 .. 65536 ] destroyed
+ ptr [0 .. nblock-1] holds sorted order
+ if (*budget < 0), sorting was abandoned
+*/
+
+#define BIGFREQ(b) (ftab[((b)+1) << 8] - ftab[(b) << 8])
+#define SETMASK (1 << 21)
+#define CLEARMASK (~(SETMASK))
+
+static
+void mainSort ( UInt32* ptr,
+ UChar* block,
+ UInt16* quadrant,
+ UInt32* ftab,
+ Int32 nblock,
+ Int32 verb,
+ Int32* budget )
+{
+ Int32 i, j, k, ss, sb;
+ Int32 runningOrder[256];
+ Bool bigDone[256];
+ Int32 copyStart[256];
+ Int32 copyEnd [256];
+ UChar c1;
+ Int32 numQSorted;
+ UInt16 s;
+ if (verb >= 4) VPrintf0 ( " main sort initialise ...\n" );
+
+ /*-- set up the 2-byte frequency table --*/
+ for (i = 65536; i >= 0; i--) ftab[i] = 0;
+
+ j = block[0] << 8;
+ i = nblock-1;
+ for (; i >= 3; i -= 4) {
+ quadrant[i] = 0;
+ j = (j >> 8) | ( ((UInt16)block[i]) << 8);
+ ftab[j]++;
+ quadrant[i-1] = 0;
+ j = (j >> 8) | ( ((UInt16)block[i-1]) << 8);
+ ftab[j]++;
+ quadrant[i-2] = 0;
+ j = (j >> 8) | ( ((UInt16)block[i-2]) << 8);
+ ftab[j]++;
+ quadrant[i-3] = 0;
+ j = (j >> 8) | ( ((UInt16)block[i-3]) << 8);
+ ftab[j]++;
+ }
+ for (; i >= 0; i--) {
+ quadrant[i] = 0;
+ j = (j >> 8) | ( ((UInt16)block[i]) << 8);
+ ftab[j]++;
+ }
+
+ /*-- (emphasises close relationship of block & quadrant) --*/
+ for (i = 0; i < BZ_N_OVERSHOOT; i++) {
+ block [nblock+i] = block[i];
+ quadrant[nblock+i] = 0;
+ }
+
+ if (verb >= 4) VPrintf0 ( " bucket sorting ...\n" );
+
+ /*-- Complete the initial radix sort --*/
+ for (i = 1; i <= 65536; i++) ftab[i] += ftab[i-1];
+
+ s = block[0] << 8;
+ i = nblock-1;
+ for (; i >= 3; i -= 4) {
+ s = (s >> 8) | (block[i] << 8);
+ j = ftab[s] -1;
+ ftab[s] = j;
+ ptr[j] = i;
+ s = (s >> 8) | (block[i-1] << 8);
+ j = ftab[s] -1;
+ ftab[s] = j;
+ ptr[j] = i-1;
+ s = (s >> 8) | (block[i-2] << 8);
+ j = ftab[s] -1;
+ ftab[s] = j;
+ ptr[j] = i-2;
+ s = (s >> 8) | (block[i-3] << 8);
+ j = ftab[s] -1;
+ ftab[s] = j;
+ ptr[j] = i-3;
+ }
+ for (; i >= 0; i--) {
+ s = (s >> 8) | (block[i] << 8);
+ j = ftab[s] -1;
+ ftab[s] = j;
+ ptr[j] = i;
+ }
+
+ /*--
+ Now ftab contains the first loc of every small bucket.
+ Calculate the running order, from smallest to largest
+ big bucket.
+ --*/
+ for (i = 0; i <= 255; i++) {
+ bigDone [i] = False;
+ runningOrder[i] = i;
+ }
+
+ {
+ Int32 vv;
+ Int32 h = 1;
+ do h = 3 * h + 1; while (h <= 256);
+ do {
+ h = h / 3;
+ for (i = h; i <= 255; i++) {
+ vv = runningOrder[i];
+ j = i;
+ while ( BIGFREQ(runningOrder[j-h]) > BIGFREQ(vv) ) {
+ runningOrder[j] = runningOrder[j-h];
+ j = j - h;
+ if (j <= (h - 1)) goto zero;
+ }
+ zero:
+ runningOrder[j] = vv;
+ }
+ } while (h != 1);
+ }
+
+ /*--
+ The main sorting loop.
+ --*/
+
+ numQSorted = 0;
+
+ for (i = 0; i <= 255; i++) {
+
+ /*--
+ Process big buckets, starting with the least full.
+ Basically this is a 3-step process in which we call
+ mainQSort3 to sort the small buckets [ss, j], but
+ also make a big effort to avoid the calls if we can.
+ --*/
+ ss = runningOrder[i];
+
+ /*--
+ Step 1:
+ Complete the big bucket [ss] by quicksorting
+ any unsorted small buckets [ss, j], for j != ss.
+ Hopefully previous pointer-scanning phases have already
+ completed many of the small buckets [ss, j], so
+ we don't have to sort them at all.
+ --*/
+ for (j = 0; j <= 255; j++) {
+ if (j != ss) {
+ sb = (ss << 8) + j;
+ if ( ! (ftab[sb] & SETMASK) ) {
+ Int32 lo = ftab[sb] & CLEARMASK;
+ Int32 hi = (ftab[sb+1] & CLEARMASK) - 1;
+ if (hi > lo) {
+ if (verb >= 4)
+ VPrintf4 ( " qsort [0x%x, 0x%x] "
+ "done %d this %d\n",
+ ss, j, numQSorted, hi - lo + 1 );
+ mainQSort3 (
+ ptr, block, quadrant, nblock,
+ lo, hi, BZ_N_RADIX, budget
+ );
+ numQSorted += (hi - lo + 1);
+ if (*budget < 0) return;
+ }
+ }
+ ftab[sb] |= SETMASK;
+ }
+ }
+
+ AssertH ( !bigDone[ss], 1006 );
+
+ /*--
+ Step 2:
+ Now scan this big bucket [ss] so as to synthesise the
+ sorted order for small buckets [t, ss] for all t,
+ including, magically, the bucket [ss,ss] too.
+ This will avoid doing Real Work in subsequent Step 1's.
+ --*/
+ {
+ for (j = 0; j <= 255; j++) {
+ copyStart[j] = ftab[(j << 8) + ss] & CLEARMASK;
+ copyEnd [j] = (ftab[(j << 8) + ss + 1] & CLEARMASK) - 1;
+ }
+ for (j = ftab[ss << 8] & CLEARMASK; j < copyStart[ss]; j++) {
+ k = ptr[j]-1; if (k < 0) k += nblock;
+ c1 = block[k];
+ if (!bigDone[c1])
+ ptr[ copyStart[c1]++ ] = k;
+ }
+ for (j = (ftab[(ss+1) << 8] & CLEARMASK) - 1; j > copyEnd[ss]; j--) {
+ k = ptr[j]-1; if (k < 0) k += nblock;
+ c1 = block[k];
+ if (!bigDone[c1])
+ ptr[ copyEnd[c1]-- ] = k;
+ }
+ }
+
+ AssertH ( (copyStart[ss]-1 == copyEnd[ss])
+ ||
+ /* Extremely rare case missing in bzip2-1.0.0 and 1.0.1.
+ Necessity for this case is demonstrated by compressing
+ a sequence of approximately 48.5 million of character
+ 251; 1.0.0/1.0.1 will then die here. */
+ (copyStart[ss] == 0 && copyEnd[ss] == nblock-1),
+ 1007 )
+
+ for (j = 0; j <= 255; j++) ftab[(j << 8) + ss] |= SETMASK;
+
+ /*--
+ Step 3:
+ The [ss] big bucket is now done. Record this fact,
+ and update the quadrant descriptors. Remember to
+ update quadrants in the overshoot area too, if
+ necessary. The "if (i < 255)" test merely skips
+ this updating for the last bucket processed, since
+ updating for the last bucket is pointless.
+
+ The quadrant array provides a way to incrementally
+ cache sort orderings, as they appear, so as to
+ make subsequent comparisons in fullGtU() complete
+ faster. For repetitive blocks this makes a big
+ difference (but not big enough to be able to avoid
+ the fallback sorting mechanism, exponential radix sort).
+
+ The precise meaning is: at all times:
+
+ for 0 <= i < nblock and 0 <= j <= nblock
+
+ if block[i] != block[j],
+
+ then the relative values of quadrant[i] and
+ quadrant[j] are meaningless.
+
+ else {
+ if quadrant[i] < quadrant[j]
+ then the string starting at i lexicographically
+ precedes the string starting at j
+
+ else if quadrant[i] > quadrant[j]
+ then the string starting at j lexicographically
+ precedes the string starting at i
+
+ else
+ the relative ordering of the strings starting
+ at i and j has not yet been determined.
+ }
+ --*/
+ bigDone[ss] = True;
+
+ if (i < 255) {
+ Int32 bbStart = ftab[ss << 8] & CLEARMASK;
+ Int32 bbSize = (ftab[(ss+1) << 8] & CLEARMASK) - bbStart;
+ Int32 shifts = 0;
+
+ while ((bbSize >> shifts) > 65534) shifts++;
+
+ for (j = bbSize-1; j >= 0; j--) {
+ Int32 a2update = ptr[bbStart + j];
+ UInt16 qVal = (UInt16)(j >> shifts);
+ quadrant[a2update] = qVal;
+ if (a2update < BZ_N_OVERSHOOT)
+ quadrant[a2update + nblock] = qVal;
+ }
+ AssertH ( ((bbSize-1) >> shifts) <= 65535, 1002 );
+ }
+
+ }
+
+ if (verb >= 4)
+ VPrintf3 ( " %d pointers, %d sorted, %d scanned\n",
+ nblock, numQSorted, nblock - numQSorted );
+}
+
+#undef BIGFREQ
+#undef SETMASK
+#undef CLEARMASK
+
+
+/*---------------------------------------------*/
+/* Pre:
+ nblock > 0
+ arr2 exists for [0 .. nblock-1 +N_OVERSHOOT]
+ ((UChar*)arr2) [0 .. nblock-1] holds block
+ arr1 exists for [0 .. nblock-1]
+
+ Post:
+ ((UChar*)arr2) [0 .. nblock-1] holds block
+ All other areas of block destroyed
+ ftab [ 0 .. 65536 ] destroyed
+ arr1 [0 .. nblock-1] holds sorted order
+*/
+void BZ2_blockSort ( EState* s )
+{
+ UInt32* ptr = s->ptr;
+ UChar* block = s->block;
+ UInt32* ftab = s->ftab;
+ Int32 nblock = s->nblock;
+ Int32 verb = s->verbosity;
+ Int32 wfact = s->workFactor;
+ UInt16* quadrant;
+ Int32 budget;
+ Int32 budgetInit;
+ Int32 i;
+
+ if (nblock < 10000) {
+ fallbackSort ( s->arr1, s->arr2, ftab, nblock, verb );
+ } else {
+ /* Calculate the location for quadrant, remembering to get
+ the alignment right. Assumes that &(block[0]) is at least
+ 2-byte aligned -- this should be ok since block is really
+ the first section of arr2.
+ */
+ i = nblock+BZ_N_OVERSHOOT;
+ if (i & 1) i++;
+ quadrant = (UInt16*)(&(block[i]));
+
+ /* (wfact-1) / 3 puts the default-factor-30
+ transition point at very roughly the same place as
+ with v0.1 and v0.9.0.
+ Not that it particularly matters any more, since the
+ resulting compressed stream is now the same regardless
+ of whether or not we use the main sort or fallback sort.
+ */
+ if (wfact < 1 ) wfact = 1;
+ if (wfact > 100) wfact = 100;
+ budgetInit = nblock * ((wfact-1) / 3);
+ budget = budgetInit;
+
+ mainSort ( ptr, block, quadrant, ftab, nblock, verb, &budget );
+ if (verb >= 3)
+ VPrintf3 ( " %d work, %d block, ratio %5.2f\n",
+ budgetInit - budget,
+ nblock,
+ (float)(budgetInit - budget) /
+ (float)(nblock==0 ? 1 : nblock) );
+ if (budget < 0) {
+ if (verb >= 2)
+ VPrintf0 ( " too repetitive; using fallback"
+ " sorting algorithm\n" );
+ fallbackSort ( s->arr1, s->arr2, ftab, nblock, verb );
+ }
+ }
+
+ s->origPtr = -1;
+ for (i = 0; i < s->nblock; i++)
+ if (ptr[i] == 0)
+ { s->origPtr = i; break; };
+
+ AssertH( s->origPtr != -1, 1003 );
+}
+
+
+/*-------------------------------------------------------------*/
+/*--- end blocksort.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/bzlib.c b/rbutil/bzip2/bzlib.c
new file mode 100644
index 0000000000..6e78e19407
--- /dev/null
+++ b/rbutil/bzip2/bzlib.c
@@ -0,0 +1,1572 @@
+
+/*-------------------------------------------------------------*/
+/*--- Library top-level functions. ---*/
+/*--- bzlib.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+/* CHANGES
+ 0.9.0 -- original version.
+ 0.9.0a/b -- no changes in this file.
+ 0.9.0c -- made zero-length BZ_FLUSH work correctly in bzCompress().
+ fixed bzWrite/bzRead to ignore zero-length requests.
+ fixed bzread to correctly handle read requests after EOF.
+ wrong parameter order in call to bzDecompressInit in
+ bzBuffToBuffDecompress. Fixed.
+*/
+
+#include "bzlib_private.h"
+
+
+/*---------------------------------------------------*/
+/*--- Compression stuff ---*/
+/*---------------------------------------------------*/
+
+
+/*---------------------------------------------------*/
+#ifndef BZ_NO_STDIO
+void BZ2_bz__AssertH__fail ( int errcode )
+{
+ fprintf(stderr,
+ "\n\nbzip2/libbzip2: internal error number %d.\n"
+ "This is a bug in bzip2/libbzip2, %s.\n"
+ "Please report it to me at: jseward@bzip.org. If this happened\n"
+ "when you were using some program which uses libbzip2 as a\n"
+ "component, you should also report this bug to the author(s)\n"
+ "of that program. Please make an effort to report this bug;\n"
+ "timely and accurate bug reports eventually lead to higher\n"
+ "quality software. Thanks. Julian Seward, 10 December 2007.\n\n",
+ errcode,
+ BZ2_bzlibVersion()
+ );
+
+ if (errcode == 1007) {
+ fprintf(stderr,
+ "\n*** A special note about internal error number 1007 ***\n"
+ "\n"
+ "Experience suggests that a common cause of i.e. 1007\n"
+ "is unreliable memory or other hardware. The 1007 assertion\n"
+ "just happens to cross-check the results of huge numbers of\n"
+ "memory reads/writes, and so acts (unintendedly) as a stress\n"
+ "test of your memory system.\n"
+ "\n"
+ "I suggest the following: try compressing the file again,\n"
+ "possibly monitoring progress in detail with the -vv flag.\n"
+ "\n"
+ "* If the error cannot be reproduced, and/or happens at different\n"
+ " points in compression, you may have a flaky memory system.\n"
+ " Try a memory-test program. I have used Memtest86\n"
+ " (www.memtest86.com). At the time of writing it is free (GPLd).\n"
+ " Memtest86 tests memory much more thorougly than your BIOSs\n"
+ " power-on test, and may find failures that the BIOS doesn't.\n"
+ "\n"
+ "* If the error can be repeatably reproduced, this is a bug in\n"
+ " bzip2, and I would very much like to hear about it. Please\n"
+ " let me know, and, ideally, save a copy of the file causing the\n"
+ " problem -- without which I will be unable to investigate it.\n"
+ "\n"
+ );
+ }
+
+ exit(3);
+}
+#endif
+
+
+/*---------------------------------------------------*/
+static
+int bz_config_ok ( void )
+{
+ if (sizeof(int) != 4) return 0;
+ if (sizeof(short) != 2) return 0;
+ if (sizeof(char) != 1) return 0;
+ return 1;
+}
+
+
+/*---------------------------------------------------*/
+static
+void* default_bzalloc ( void* opaque, Int32 items, Int32 size )
+{
+ void* v = malloc ( items * size );
+ return v;
+}
+
+static
+void default_bzfree ( void* opaque, void* addr )
+{
+ if (addr != NULL) free ( addr );
+}
+
+
+/*---------------------------------------------------*/
+static
+void prepare_new_block ( EState* s )
+{
+ Int32 i;
+ s->nblock = 0;
+ s->numZ = 0;
+ s->state_out_pos = 0;
+ BZ_INITIALISE_CRC ( s->blockCRC );
+ for (i = 0; i < 256; i++) s->inUse[i] = False;
+ s->blockNo++;
+}
+
+
+/*---------------------------------------------------*/
+static
+void init_RL ( EState* s )
+{
+ s->state_in_ch = 256;
+ s->state_in_len = 0;
+}
+
+
+static
+Bool isempty_RL ( EState* s )
+{
+ if (s->state_in_ch < 256 && s->state_in_len > 0)
+ return False; else
+ return True;
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzCompressInit)
+ ( bz_stream* strm,
+ int blockSize100k,
+ int verbosity,
+ int workFactor )
+{
+ Int32 n;
+ EState* s;
+
+ if (!bz_config_ok()) return BZ_CONFIG_ERROR;
+
+ if (strm == NULL ||
+ blockSize100k < 1 || blockSize100k > 9 ||
+ workFactor < 0 || workFactor > 250)
+ return BZ_PARAM_ERROR;
+
+ if (workFactor == 0) workFactor = 30;
+ if (strm->bzalloc == NULL) strm->bzalloc = default_bzalloc;
+ if (strm->bzfree == NULL) strm->bzfree = default_bzfree;
+
+ s = BZALLOC( sizeof(EState) );
+ if (s == NULL) return BZ_MEM_ERROR;
+ s->strm = strm;
+
+ s->arr1 = NULL;
+ s->arr2 = NULL;
+ s->ftab = NULL;
+
+ n = 100000 * blockSize100k;
+ s->arr1 = BZALLOC( n * sizeof(UInt32) );
+ s->arr2 = BZALLOC( (n+BZ_N_OVERSHOOT) * sizeof(UInt32) );
+ s->ftab = BZALLOC( 65537 * sizeof(UInt32) );
+
+ if (s->arr1 == NULL || s->arr2 == NULL || s->ftab == NULL) {
+ if (s->arr1 != NULL) BZFREE(s->arr1);
+ if (s->arr2 != NULL) BZFREE(s->arr2);
+ if (s->ftab != NULL) BZFREE(s->ftab);
+ if (s != NULL) BZFREE(s);
+ return BZ_MEM_ERROR;
+ }
+
+ s->blockNo = 0;
+ s->state = BZ_S_INPUT;
+ s->mode = BZ_M_RUNNING;
+ s->combinedCRC = 0;
+ s->blockSize100k = blockSize100k;
+ s->nblockMAX = 100000 * blockSize100k - 19;
+ s->verbosity = verbosity;
+ s->workFactor = workFactor;
+
+ s->block = (UChar*)s->arr2;
+ s->mtfv = (UInt16*)s->arr1;
+ s->zbits = NULL;
+ s->ptr = (UInt32*)s->arr1;
+
+ strm->state = s;
+ strm->total_in_lo32 = 0;
+ strm->total_in_hi32 = 0;
+ strm->total_out_lo32 = 0;
+ strm->total_out_hi32 = 0;
+ init_RL ( s );
+ prepare_new_block ( s );
+ return BZ_OK;
+}
+
+
+/*---------------------------------------------------*/
+static
+void add_pair_to_block ( EState* s )
+{
+ Int32 i;
+ UChar ch = (UChar)(s->state_in_ch);
+ for (i = 0; i < s->state_in_len; i++) {
+ BZ_UPDATE_CRC( s->blockCRC, ch );
+ }
+ s->inUse[s->state_in_ch] = True;
+ switch (s->state_in_len) {
+ case 1:
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ break;
+ case 2:
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ break;
+ case 3:
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ break;
+ default:
+ s->inUse[s->state_in_len-4] = True;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = (UChar)ch; s->nblock++;
+ s->block[s->nblock] = ((UChar)(s->state_in_len-4));
+ s->nblock++;
+ break;
+ }
+}
+
+
+/*---------------------------------------------------*/
+static
+void flush_RL ( EState* s )
+{
+ if (s->state_in_ch < 256) add_pair_to_block ( s );
+ init_RL ( s );
+}
+
+
+/*---------------------------------------------------*/
+#define ADD_CHAR_TO_BLOCK(zs,zchh0) \
+{ \
+ UInt32 zchh = (UInt32)(zchh0); \
+ /*-- fast track the common case --*/ \
+ if (zchh != zs->state_in_ch && \
+ zs->state_in_len == 1) { \
+ UChar ch = (UChar)(zs->state_in_ch); \
+ BZ_UPDATE_CRC( zs->blockCRC, ch ); \
+ zs->inUse[zs->state_in_ch] = True; \
+ zs->block[zs->nblock] = (UChar)ch; \
+ zs->nblock++; \
+ zs->state_in_ch = zchh; \
+ } \
+ else \
+ /*-- general, uncommon cases --*/ \
+ if (zchh != zs->state_in_ch || \
+ zs->state_in_len == 255) { \
+ if (zs->state_in_ch < 256) \
+ add_pair_to_block ( zs ); \
+ zs->state_in_ch = zchh; \
+ zs->state_in_len = 1; \
+ } else { \
+ zs->state_in_len++; \
+ } \
+}
+
+
+/*---------------------------------------------------*/
+static
+Bool copy_input_until_stop ( EState* s )
+{
+ Bool progress_in = False;
+
+ if (s->mode == BZ_M_RUNNING) {
+
+ /*-- fast track the common case --*/
+ while (True) {
+ /*-- block full? --*/
+ if (s->nblock >= s->nblockMAX) break;
+ /*-- no input? --*/
+ if (s->strm->avail_in == 0) break;
+ progress_in = True;
+ ADD_CHAR_TO_BLOCK ( s, (UInt32)(*((UChar*)(s->strm->next_in))) );
+ s->strm->next_in++;
+ s->strm->avail_in--;
+ s->strm->total_in_lo32++;
+ if (s->strm->total_in_lo32 == 0) s->strm->total_in_hi32++;
+ }
+
+ } else {
+
+ /*-- general, uncommon case --*/
+ while (True) {
+ /*-- block full? --*/
+ if (s->nblock >= s->nblockMAX) break;
+ /*-- no input? --*/
+ if (s->strm->avail_in == 0) break;
+ /*-- flush/finish end? --*/
+ if (s->avail_in_expect == 0) break;
+ progress_in = True;
+ ADD_CHAR_TO_BLOCK ( s, (UInt32)(*((UChar*)(s->strm->next_in))) );
+ s->strm->next_in++;
+ s->strm->avail_in--;
+ s->strm->total_in_lo32++;
+ if (s->strm->total_in_lo32 == 0) s->strm->total_in_hi32++;
+ s->avail_in_expect--;
+ }
+ }
+ return progress_in;
+}
+
+
+/*---------------------------------------------------*/
+static
+Bool copy_output_until_stop ( EState* s )
+{
+ Bool progress_out = False;
+
+ while (True) {
+
+ /*-- no output space? --*/
+ if (s->strm->avail_out == 0) break;
+
+ /*-- block done? --*/
+ if (s->state_out_pos >= s->numZ) break;
+
+ progress_out = True;
+ *(s->strm->next_out) = s->zbits[s->state_out_pos];
+ s->state_out_pos++;
+ s->strm->avail_out--;
+ s->strm->next_out++;
+ s->strm->total_out_lo32++;
+ if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++;
+ }
+
+ return progress_out;
+}
+
+
+/*---------------------------------------------------*/
+static
+Bool handle_compress ( bz_stream* strm )
+{
+ Bool progress_in = False;
+ Bool progress_out = False;
+ EState* s = strm->state;
+
+ while (True) {
+
+ if (s->state == BZ_S_OUTPUT) {
+ progress_out |= copy_output_until_stop ( s );
+ if (s->state_out_pos < s->numZ) break;
+ if (s->mode == BZ_M_FINISHING &&
+ s->avail_in_expect == 0 &&
+ isempty_RL(s)) break;
+ prepare_new_block ( s );
+ s->state = BZ_S_INPUT;
+ if (s->mode == BZ_M_FLUSHING &&
+ s->avail_in_expect == 0 &&
+ isempty_RL(s)) break;
+ }
+
+ if (s->state == BZ_S_INPUT) {
+ progress_in |= copy_input_until_stop ( s );
+ if (s->mode != BZ_M_RUNNING && s->avail_in_expect == 0) {
+ flush_RL ( s );
+ BZ2_compressBlock ( s, (Bool)(s->mode == BZ_M_FINISHING) );
+ s->state = BZ_S_OUTPUT;
+ }
+ else
+ if (s->nblock >= s->nblockMAX) {
+ BZ2_compressBlock ( s, False );
+ s->state = BZ_S_OUTPUT;
+ }
+ else
+ if (s->strm->avail_in == 0) {
+ break;
+ }
+ }
+
+ }
+
+ return progress_in || progress_out;
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzCompress) ( bz_stream *strm, int action )
+{
+ Bool progress;
+ EState* s;
+ if (strm == NULL) return BZ_PARAM_ERROR;
+ s = strm->state;
+ if (s == NULL) return BZ_PARAM_ERROR;
+ if (s->strm != strm) return BZ_PARAM_ERROR;
+
+ preswitch:
+ switch (s->mode) {
+
+ case BZ_M_IDLE:
+ return BZ_SEQUENCE_ERROR;
+
+ case BZ_M_RUNNING:
+ if (action == BZ_RUN) {
+ progress = handle_compress ( strm );
+ return progress ? BZ_RUN_OK : BZ_PARAM_ERROR;
+ }
+ else
+ if (action == BZ_FLUSH) {
+ s->avail_in_expect = strm->avail_in;
+ s->mode = BZ_M_FLUSHING;
+ goto preswitch;
+ }
+ else
+ if (action == BZ_FINISH) {
+ s->avail_in_expect = strm->avail_in;
+ s->mode = BZ_M_FINISHING;
+ goto preswitch;
+ }
+ else
+ return BZ_PARAM_ERROR;
+
+ case BZ_M_FLUSHING:
+ if (action != BZ_FLUSH) return BZ_SEQUENCE_ERROR;
+ if (s->avail_in_expect != s->strm->avail_in)
+ return BZ_SEQUENCE_ERROR;
+ progress = handle_compress ( strm );
+ if (s->avail_in_expect > 0 || !isempty_RL(s) ||
+ s->state_out_pos < s->numZ) return BZ_FLUSH_OK;
+ s->mode = BZ_M_RUNNING;
+ return BZ_RUN_OK;
+
+ case BZ_M_FINISHING:
+ if (action != BZ_FINISH) return BZ_SEQUENCE_ERROR;
+ if (s->avail_in_expect != s->strm->avail_in)
+ return BZ_SEQUENCE_ERROR;
+ progress = handle_compress ( strm );
+ if (!progress) return BZ_SEQUENCE_ERROR;
+ if (s->avail_in_expect > 0 || !isempty_RL(s) ||
+ s->state_out_pos < s->numZ) return BZ_FINISH_OK;
+ s->mode = BZ_M_IDLE;
+ return BZ_STREAM_END;
+ }
+ return BZ_OK; /*--not reached--*/
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzCompressEnd) ( bz_stream *strm )
+{
+ EState* s;
+ if (strm == NULL) return BZ_PARAM_ERROR;
+ s = strm->state;
+ if (s == NULL) return BZ_PARAM_ERROR;
+ if (s->strm != strm) return BZ_PARAM_ERROR;
+
+ if (s->arr1 != NULL) BZFREE(s->arr1);
+ if (s->arr2 != NULL) BZFREE(s->arr2);
+ if (s->ftab != NULL) BZFREE(s->ftab);
+ BZFREE(strm->state);
+
+ strm->state = NULL;
+
+ return BZ_OK;
+}
+
+
+/*---------------------------------------------------*/
+/*--- Decompression stuff ---*/
+/*---------------------------------------------------*/
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzDecompressInit)
+ ( bz_stream* strm,
+ int verbosity,
+ int small )
+{
+ DState* s;
+
+ if (!bz_config_ok()) return BZ_CONFIG_ERROR;
+
+ if (strm == NULL) return BZ_PARAM_ERROR;
+ if (small != 0 && small != 1) return BZ_PARAM_ERROR;
+ if (verbosity < 0 || verbosity > 4) return BZ_PARAM_ERROR;
+
+ if (strm->bzalloc == NULL) strm->bzalloc = default_bzalloc;
+ if (strm->bzfree == NULL) strm->bzfree = default_bzfree;
+
+ s = BZALLOC( sizeof(DState) );
+ if (s == NULL) return BZ_MEM_ERROR;
+ s->strm = strm;
+ strm->state = s;
+ s->state = BZ_X_MAGIC_1;
+ s->bsLive = 0;
+ s->bsBuff = 0;
+ s->calculatedCombinedCRC = 0;
+ strm->total_in_lo32 = 0;
+ strm->total_in_hi32 = 0;
+ strm->total_out_lo32 = 0;
+ strm->total_out_hi32 = 0;
+ s->smallDecompress = (Bool)small;
+ s->ll4 = NULL;
+ s->ll16 = NULL;
+ s->tt = NULL;
+ s->currBlockNo = 0;
+ s->verbosity = verbosity;
+
+ return BZ_OK;
+}
+
+
+/*---------------------------------------------------*/
+/* Return True iff data corruption is discovered.
+ Returns False if there is no problem.
+*/
+static
+Bool unRLE_obuf_to_output_FAST ( DState* s )
+{
+ UChar k1;
+
+ if (s->blockRandomised) {
+
+ while (True) {
+ /* try to finish existing run */
+ while (True) {
+ if (s->strm->avail_out == 0) return False;
+ if (s->state_out_len == 0) break;
+ *( (UChar*)(s->strm->next_out) ) = s->state_out_ch;
+ BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch );
+ s->state_out_len--;
+ s->strm->next_out++;
+ s->strm->avail_out--;
+ s->strm->total_out_lo32++;
+ if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++;
+ }
+
+ /* can a new run be started? */
+ if (s->nblock_used == s->save_nblock+1) return False;
+
+ /* Only caused by corrupt data stream? */
+ if (s->nblock_used > s->save_nblock+1)
+ return True;
+
+ s->state_out_len = 1;
+ s->state_out_ch = s->k0;
+ BZ_GET_FAST(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 2;
+ BZ_GET_FAST(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 3;
+ BZ_GET_FAST(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ BZ_GET_FAST(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ s->state_out_len = ((Int32)k1) + 4;
+ BZ_GET_FAST(s->k0); BZ_RAND_UPD_MASK;
+ s->k0 ^= BZ_RAND_MASK; s->nblock_used++;
+ }
+
+ } else {
+
+ /* restore */
+ UInt32 c_calculatedBlockCRC = s->calculatedBlockCRC;
+ UChar c_state_out_ch = s->state_out_ch;
+ Int32 c_state_out_len = s->state_out_len;
+ Int32 c_nblock_used = s->nblock_used;
+ Int32 c_k0 = s->k0;
+ UInt32* c_tt = s->tt;
+ UInt32 c_tPos = s->tPos;
+ char* cs_next_out = s->strm->next_out;
+ unsigned int cs_avail_out = s->strm->avail_out;
+ Int32 ro_blockSize100k = s->blockSize100k;
+ /* end restore */
+
+ UInt32 avail_out_INIT = cs_avail_out;
+ Int32 s_save_nblockPP = s->save_nblock+1;
+ unsigned int total_out_lo32_old;
+
+ while (True) {
+
+ /* try to finish existing run */
+ if (c_state_out_len > 0) {
+ while (True) {
+ if (cs_avail_out == 0) goto return_notr;
+ if (c_state_out_len == 1) break;
+ *( (UChar*)(cs_next_out) ) = c_state_out_ch;
+ BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch );
+ c_state_out_len--;
+ cs_next_out++;
+ cs_avail_out--;
+ }
+ s_state_out_len_eq_one:
+ {
+ if (cs_avail_out == 0) {
+ c_state_out_len = 1; goto return_notr;
+ };
+ *( (UChar*)(cs_next_out) ) = c_state_out_ch;
+ BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch );
+ cs_next_out++;
+ cs_avail_out--;
+ }
+ }
+ /* Only caused by corrupt data stream? */
+ if (c_nblock_used > s_save_nblockPP)
+ return True;
+
+ /* can a new run be started? */
+ if (c_nblock_used == s_save_nblockPP) {
+ c_state_out_len = 0; goto return_notr;
+ };
+ c_state_out_ch = c_k0;
+ BZ_GET_FAST_C(k1); c_nblock_used++;
+ if (k1 != c_k0) {
+ c_k0 = k1; goto s_state_out_len_eq_one;
+ };
+ if (c_nblock_used == s_save_nblockPP)
+ goto s_state_out_len_eq_one;
+
+ c_state_out_len = 2;
+ BZ_GET_FAST_C(k1); c_nblock_used++;
+ if (c_nblock_used == s_save_nblockPP) continue;
+ if (k1 != c_k0) { c_k0 = k1; continue; };
+
+ c_state_out_len = 3;
+ BZ_GET_FAST_C(k1); c_nblock_used++;
+ if (c_nblock_used == s_save_nblockPP) continue;
+ if (k1 != c_k0) { c_k0 = k1; continue; };
+
+ BZ_GET_FAST_C(k1); c_nblock_used++;
+ c_state_out_len = ((Int32)k1) + 4;
+ BZ_GET_FAST_C(c_k0); c_nblock_used++;
+ }
+
+ return_notr:
+ total_out_lo32_old = s->strm->total_out_lo32;
+ s->strm->total_out_lo32 += (avail_out_INIT - cs_avail_out);
+ if (s->strm->total_out_lo32 < total_out_lo32_old)
+ s->strm->total_out_hi32++;
+
+ /* save */
+ s->calculatedBlockCRC = c_calculatedBlockCRC;
+ s->state_out_ch = c_state_out_ch;
+ s->state_out_len = c_state_out_len;
+ s->nblock_used = c_nblock_used;
+ s->k0 = c_k0;
+ s->tt = c_tt;
+ s->tPos = c_tPos;
+ s->strm->next_out = cs_next_out;
+ s->strm->avail_out = cs_avail_out;
+ /* end save */
+ }
+ return False;
+}
+
+
+
+/*---------------------------------------------------*/
+__inline__ Int32 BZ2_indexIntoF ( Int32 indx, Int32 *cftab )
+{
+ Int32 nb, na, mid;
+ nb = 0;
+ na = 256;
+ do {
+ mid = (nb + na) >> 1;
+ if (indx >= cftab[mid]) nb = mid; else na = mid;
+ }
+ while (na - nb != 1);
+ return nb;
+}
+
+
+/*---------------------------------------------------*/
+/* Return True iff data corruption is discovered.
+ Returns False if there is no problem.
+*/
+static
+Bool unRLE_obuf_to_output_SMALL ( DState* s )
+{
+ UChar k1;
+
+ if (s->blockRandomised) {
+
+ while (True) {
+ /* try to finish existing run */
+ while (True) {
+ if (s->strm->avail_out == 0) return False;
+ if (s->state_out_len == 0) break;
+ *( (UChar*)(s->strm->next_out) ) = s->state_out_ch;
+ BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch );
+ s->state_out_len--;
+ s->strm->next_out++;
+ s->strm->avail_out--;
+ s->strm->total_out_lo32++;
+ if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++;
+ }
+
+ /* can a new run be started? */
+ if (s->nblock_used == s->save_nblock+1) return False;
+
+ /* Only caused by corrupt data stream? */
+ if (s->nblock_used > s->save_nblock+1)
+ return True;
+
+ s->state_out_len = 1;
+ s->state_out_ch = s->k0;
+ BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 2;
+ BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 3;
+ BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK;
+ k1 ^= BZ_RAND_MASK; s->nblock_used++;
+ s->state_out_len = ((Int32)k1) + 4;
+ BZ_GET_SMALL(s->k0); BZ_RAND_UPD_MASK;
+ s->k0 ^= BZ_RAND_MASK; s->nblock_used++;
+ }
+
+ } else {
+
+ while (True) {
+ /* try to finish existing run */
+ while (True) {
+ if (s->strm->avail_out == 0) return False;
+ if (s->state_out_len == 0) break;
+ *( (UChar*)(s->strm->next_out) ) = s->state_out_ch;
+ BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch );
+ s->state_out_len--;
+ s->strm->next_out++;
+ s->strm->avail_out--;
+ s->strm->total_out_lo32++;
+ if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++;
+ }
+
+ /* can a new run be started? */
+ if (s->nblock_used == s->save_nblock+1) return False;
+
+ /* Only caused by corrupt data stream? */
+ if (s->nblock_used > s->save_nblock+1)
+ return True;
+
+ s->state_out_len = 1;
+ s->state_out_ch = s->k0;
+ BZ_GET_SMALL(k1); s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 2;
+ BZ_GET_SMALL(k1); s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ s->state_out_len = 3;
+ BZ_GET_SMALL(k1); s->nblock_used++;
+ if (s->nblock_used == s->save_nblock+1) continue;
+ if (k1 != s->k0) { s->k0 = k1; continue; };
+
+ BZ_GET_SMALL(k1); s->nblock_used++;
+ s->state_out_len = ((Int32)k1) + 4;
+ BZ_GET_SMALL(s->k0); s->nblock_used++;
+ }
+
+ }
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzDecompress) ( bz_stream *strm )
+{
+ Bool corrupt;
+ DState* s;
+ if (strm == NULL) return BZ_PARAM_ERROR;
+ s = strm->state;
+ if (s == NULL) return BZ_PARAM_ERROR;
+ if (s->strm != strm) return BZ_PARAM_ERROR;
+
+ while (True) {
+ if (s->state == BZ_X_IDLE) return BZ_SEQUENCE_ERROR;
+ if (s->state == BZ_X_OUTPUT) {
+ if (s->smallDecompress)
+ corrupt = unRLE_obuf_to_output_SMALL ( s ); else
+ corrupt = unRLE_obuf_to_output_FAST ( s );
+ if (corrupt) return BZ_DATA_ERROR;
+ if (s->nblock_used == s->save_nblock+1 && s->state_out_len == 0) {
+ BZ_FINALISE_CRC ( s->calculatedBlockCRC );
+ if (s->verbosity >= 3)
+ VPrintf2 ( " {0x%08x, 0x%08x}", s->storedBlockCRC,
+ s->calculatedBlockCRC );
+ if (s->verbosity >= 2) VPrintf0 ( "]" );
+ if (s->calculatedBlockCRC != s->storedBlockCRC)
+ return BZ_DATA_ERROR;
+ s->calculatedCombinedCRC
+ = (s->calculatedCombinedCRC << 1) |
+ (s->calculatedCombinedCRC >> 31);
+ s->calculatedCombinedCRC ^= s->calculatedBlockCRC;
+ s->state = BZ_X_BLKHDR_1;
+ } else {
+ return BZ_OK;
+ }
+ }
+ if (s->state >= BZ_X_MAGIC_1) {
+ Int32 r = BZ2_decompress ( s );
+ if (r == BZ_STREAM_END) {
+ if (s->verbosity >= 3)
+ VPrintf2 ( "\n combined CRCs: stored = 0x%08x, computed = 0x%08x",
+ s->storedCombinedCRC, s->calculatedCombinedCRC );
+ if (s->calculatedCombinedCRC != s->storedCombinedCRC)
+ return BZ_DATA_ERROR;
+ return r;
+ }
+ if (s->state != BZ_X_OUTPUT) return r;
+ }
+ }
+
+ AssertH ( 0, 6001 );
+
+ return 0; /*NOTREACHED*/
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzDecompressEnd) ( bz_stream *strm )
+{
+ DState* s;
+ if (strm == NULL) return BZ_PARAM_ERROR;
+ s = strm->state;
+ if (s == NULL) return BZ_PARAM_ERROR;
+ if (s->strm != strm) return BZ_PARAM_ERROR;
+
+ if (s->tt != NULL) BZFREE(s->tt);
+ if (s->ll16 != NULL) BZFREE(s->ll16);
+ if (s->ll4 != NULL) BZFREE(s->ll4);
+
+ BZFREE(strm->state);
+ strm->state = NULL;
+
+ return BZ_OK;
+}
+
+
+#ifndef BZ_NO_STDIO
+/*---------------------------------------------------*/
+/*--- File I/O stuff ---*/
+/*---------------------------------------------------*/
+
+#define BZ_SETERR(eee) \
+{ \
+ if (bzerror != NULL) *bzerror = eee; \
+ if (bzf != NULL) bzf->lastErr = eee; \
+}
+
+typedef
+ struct {
+ FILE* handle;
+ Char buf[BZ_MAX_UNUSED];
+ Int32 bufN;
+ Bool writing;
+ bz_stream strm;
+ Int32 lastErr;
+ Bool initialisedOk;
+ }
+ bzFile;
+
+
+/*---------------------------------------------*/
+static Bool myfeof ( FILE* f )
+{
+ Int32 c = fgetc ( f );
+ if (c == EOF) return True;
+ ungetc ( c, f );
+ return False;
+}
+
+
+/*---------------------------------------------------*/
+BZFILE* BZ_API(BZ2_bzWriteOpen)
+ ( int* bzerror,
+ FILE* f,
+ int blockSize100k,
+ int verbosity,
+ int workFactor )
+{
+ Int32 ret;
+ bzFile* bzf = NULL;
+
+ BZ_SETERR(BZ_OK);
+
+ if (f == NULL ||
+ (blockSize100k < 1 || blockSize100k > 9) ||
+ (workFactor < 0 || workFactor > 250) ||
+ (verbosity < 0 || verbosity > 4))
+ { BZ_SETERR(BZ_PARAM_ERROR); return NULL; };
+
+ if (ferror(f))
+ { BZ_SETERR(BZ_IO_ERROR); return NULL; };
+
+ bzf = malloc ( sizeof(bzFile) );
+ if (bzf == NULL)
+ { BZ_SETERR(BZ_MEM_ERROR); return NULL; };
+
+ BZ_SETERR(BZ_OK);
+ bzf->initialisedOk = False;
+ bzf->bufN = 0;
+ bzf->handle = f;
+ bzf->writing = True;
+ bzf->strm.bzalloc = NULL;
+ bzf->strm.bzfree = NULL;
+ bzf->strm.opaque = NULL;
+
+ if (workFactor == 0) workFactor = 30;
+ ret = BZ2_bzCompressInit ( &(bzf->strm), blockSize100k,
+ verbosity, workFactor );
+ if (ret != BZ_OK)
+ { BZ_SETERR(ret); free(bzf); return NULL; };
+
+ bzf->strm.avail_in = 0;
+ bzf->initialisedOk = True;
+ return bzf;
+}
+
+
+
+/*---------------------------------------------------*/
+void BZ_API(BZ2_bzWrite)
+ ( int* bzerror,
+ BZFILE* b,
+ void* buf,
+ int len )
+{
+ Int32 n, n2, ret;
+ bzFile* bzf = (bzFile*)b;
+
+ BZ_SETERR(BZ_OK);
+ if (bzf == NULL || buf == NULL || len < 0)
+ { BZ_SETERR(BZ_PARAM_ERROR); return; };
+ if (!(bzf->writing))
+ { BZ_SETERR(BZ_SEQUENCE_ERROR); return; };
+ if (ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return; };
+
+ if (len == 0)
+ { BZ_SETERR(BZ_OK); return; };
+
+ bzf->strm.avail_in = len;
+ bzf->strm.next_in = buf;
+
+ while (True) {
+ bzf->strm.avail_out = BZ_MAX_UNUSED;
+ bzf->strm.next_out = bzf->buf;
+ ret = BZ2_bzCompress ( &(bzf->strm), BZ_RUN );
+ if (ret != BZ_RUN_OK)
+ { BZ_SETERR(ret); return; };
+
+ if (bzf->strm.avail_out < BZ_MAX_UNUSED) {
+ n = BZ_MAX_UNUSED - bzf->strm.avail_out;
+ n2 = fwrite ( (void*)(bzf->buf), sizeof(UChar),
+ n, bzf->handle );
+ if (n != n2 || ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return; };
+ }
+
+ if (bzf->strm.avail_in == 0)
+ { BZ_SETERR(BZ_OK); return; };
+ }
+}
+
+
+/*---------------------------------------------------*/
+void BZ_API(BZ2_bzWriteClose)
+ ( int* bzerror,
+ BZFILE* b,
+ int abandon,
+ unsigned int* nbytes_in,
+ unsigned int* nbytes_out )
+{
+ BZ2_bzWriteClose64 ( bzerror, b, abandon,
+ nbytes_in, NULL, nbytes_out, NULL );
+}
+
+
+void BZ_API(BZ2_bzWriteClose64)
+ ( int* bzerror,
+ BZFILE* b,
+ int abandon,
+ unsigned int* nbytes_in_lo32,
+ unsigned int* nbytes_in_hi32,
+ unsigned int* nbytes_out_lo32,
+ unsigned int* nbytes_out_hi32 )
+{
+ Int32 n, n2, ret;
+ bzFile* bzf = (bzFile*)b;
+
+ if (bzf == NULL)
+ { BZ_SETERR(BZ_OK); return; };
+ if (!(bzf->writing))
+ { BZ_SETERR(BZ_SEQUENCE_ERROR); return; };
+ if (ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return; };
+
+ if (nbytes_in_lo32 != NULL) *nbytes_in_lo32 = 0;
+ if (nbytes_in_hi32 != NULL) *nbytes_in_hi32 = 0;
+ if (nbytes_out_lo32 != NULL) *nbytes_out_lo32 = 0;
+ if (nbytes_out_hi32 != NULL) *nbytes_out_hi32 = 0;
+
+ if ((!abandon) && bzf->lastErr == BZ_OK) {
+ while (True) {
+ bzf->strm.avail_out = BZ_MAX_UNUSED;
+ bzf->strm.next_out = bzf->buf;
+ ret = BZ2_bzCompress ( &(bzf->strm), BZ_FINISH );
+ if (ret != BZ_FINISH_OK && ret != BZ_STREAM_END)
+ { BZ_SETERR(ret); return; };
+
+ if (bzf->strm.avail_out < BZ_MAX_UNUSED) {
+ n = BZ_MAX_UNUSED - bzf->strm.avail_out;
+ n2 = fwrite ( (void*)(bzf->buf), sizeof(UChar),
+ n, bzf->handle );
+ if (n != n2 || ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return; };
+ }
+
+ if (ret == BZ_STREAM_END) break;
+ }
+ }
+
+ if ( !abandon && !ferror ( bzf->handle ) ) {
+ fflush ( bzf->handle );
+ if (ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return; };
+ }
+
+ if (nbytes_in_lo32 != NULL)
+ *nbytes_in_lo32 = bzf->strm.total_in_lo32;
+ if (nbytes_in_hi32 != NULL)
+ *nbytes_in_hi32 = bzf->strm.total_in_hi32;
+ if (nbytes_out_lo32 != NULL)
+ *nbytes_out_lo32 = bzf->strm.total_out_lo32;
+ if (nbytes_out_hi32 != NULL)
+ *nbytes_out_hi32 = bzf->strm.total_out_hi32;
+
+ BZ_SETERR(BZ_OK);
+ BZ2_bzCompressEnd ( &(bzf->strm) );
+ free ( bzf );
+}
+
+
+/*---------------------------------------------------*/
+BZFILE* BZ_API(BZ2_bzReadOpen)
+ ( int* bzerror,
+ FILE* f,
+ int verbosity,
+ int small,
+ void* unused,
+ int nUnused )
+{
+ bzFile* bzf = NULL;
+ int ret;
+
+ BZ_SETERR(BZ_OK);
+
+ if (f == NULL ||
+ (small != 0 && small != 1) ||
+ (verbosity < 0 || verbosity > 4) ||
+ (unused == NULL && nUnused != 0) ||
+ (unused != NULL && (nUnused < 0 || nUnused > BZ_MAX_UNUSED)))
+ { BZ_SETERR(BZ_PARAM_ERROR); return NULL; };
+
+ if (ferror(f))
+ { BZ_SETERR(BZ_IO_ERROR); return NULL; };
+
+ bzf = malloc ( sizeof(bzFile) );
+ if (bzf == NULL)
+ { BZ_SETERR(BZ_MEM_ERROR); return NULL; };
+
+ BZ_SETERR(BZ_OK);
+
+ bzf->initialisedOk = False;
+ bzf->handle = f;
+ bzf->bufN = 0;
+ bzf->writing = False;
+ bzf->strm.bzalloc = NULL;
+ bzf->strm.bzfree = NULL;
+ bzf->strm.opaque = NULL;
+
+ while (nUnused > 0) {
+ bzf->buf[bzf->bufN] = *((UChar*)(unused)); bzf->bufN++;
+ unused = ((void*)( 1 + ((UChar*)(unused)) ));
+ nUnused--;
+ }
+
+ ret = BZ2_bzDecompressInit ( &(bzf->strm), verbosity, small );
+ if (ret != BZ_OK)
+ { BZ_SETERR(ret); free(bzf); return NULL; };
+
+ bzf->strm.avail_in = bzf->bufN;
+ bzf->strm.next_in = bzf->buf;
+
+ bzf->initialisedOk = True;
+ return bzf;
+}
+
+
+/*---------------------------------------------------*/
+void BZ_API(BZ2_bzReadClose) ( int *bzerror, BZFILE *b )
+{
+ bzFile* bzf = (bzFile*)b;
+
+ BZ_SETERR(BZ_OK);
+ if (bzf == NULL)
+ { BZ_SETERR(BZ_OK); return; };
+
+ if (bzf->writing)
+ { BZ_SETERR(BZ_SEQUENCE_ERROR); return; };
+
+ if (bzf->initialisedOk)
+ (void)BZ2_bzDecompressEnd ( &(bzf->strm) );
+ free ( bzf );
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzRead)
+ ( int* bzerror,
+ BZFILE* b,
+ void* buf,
+ int len )
+{
+ Int32 n, ret;
+ bzFile* bzf = (bzFile*)b;
+
+ BZ_SETERR(BZ_OK);
+
+ if (bzf == NULL || buf == NULL || len < 0)
+ { BZ_SETERR(BZ_PARAM_ERROR); return 0; };
+
+ if (bzf->writing)
+ { BZ_SETERR(BZ_SEQUENCE_ERROR); return 0; };
+
+ if (len == 0)
+ { BZ_SETERR(BZ_OK); return 0; };
+
+ bzf->strm.avail_out = len;
+ bzf->strm.next_out = buf;
+
+ while (True) {
+
+ if (ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return 0; };
+
+ if (bzf->strm.avail_in == 0 && !myfeof(bzf->handle)) {
+ n = fread ( bzf->buf, sizeof(UChar),
+ BZ_MAX_UNUSED, bzf->handle );
+ if (ferror(bzf->handle))
+ { BZ_SETERR(BZ_IO_ERROR); return 0; };
+ bzf->bufN = n;
+ bzf->strm.avail_in = bzf->bufN;
+ bzf->strm.next_in = bzf->buf;
+ }
+
+ ret = BZ2_bzDecompress ( &(bzf->strm) );
+
+ if (ret != BZ_OK && ret != BZ_STREAM_END)
+ { BZ_SETERR(ret); return 0; };
+
+ if (ret == BZ_OK && myfeof(bzf->handle) &&
+ bzf->strm.avail_in == 0 && bzf->strm.avail_out > 0)
+ { BZ_SETERR(BZ_UNEXPECTED_EOF); return 0; };
+
+ if (ret == BZ_STREAM_END)
+ { BZ_SETERR(BZ_STREAM_END);
+ return len - bzf->strm.avail_out; };
+ if (bzf->strm.avail_out == 0)
+ { BZ_SETERR(BZ_OK); return len; };
+
+ }
+
+ return 0; /*not reached*/
+}
+
+
+/*---------------------------------------------------*/
+void BZ_API(BZ2_bzReadGetUnused)
+ ( int* bzerror,
+ BZFILE* b,
+ void** unused,
+ int* nUnused )
+{
+ bzFile* bzf = (bzFile*)b;
+ if (bzf == NULL)
+ { BZ_SETERR(BZ_PARAM_ERROR); return; };
+ if (bzf->lastErr != BZ_STREAM_END)
+ { BZ_SETERR(BZ_SEQUENCE_ERROR); return; };
+ if (unused == NULL || nUnused == NULL)
+ { BZ_SETERR(BZ_PARAM_ERROR); return; };
+
+ BZ_SETERR(BZ_OK);
+ *nUnused = bzf->strm.avail_in;
+ *unused = bzf->strm.next_in;
+}
+#endif
+
+
+/*---------------------------------------------------*/
+/*--- Misc convenience stuff ---*/
+/*---------------------------------------------------*/
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzBuffToBuffCompress)
+ ( char* dest,
+ unsigned int* destLen,
+ char* source,
+ unsigned int sourceLen,
+ int blockSize100k,
+ int verbosity,
+ int workFactor )
+{
+ bz_stream strm;
+ int ret;
+
+ if (dest == NULL || destLen == NULL ||
+ source == NULL ||
+ blockSize100k < 1 || blockSize100k > 9 ||
+ verbosity < 0 || verbosity > 4 ||
+ workFactor < 0 || workFactor > 250)
+ return BZ_PARAM_ERROR;
+
+ if (workFactor == 0) workFactor = 30;
+ strm.bzalloc = NULL;
+ strm.bzfree = NULL;
+ strm.opaque = NULL;
+ ret = BZ2_bzCompressInit ( &strm, blockSize100k,
+ verbosity, workFactor );
+ if (ret != BZ_OK) return ret;
+
+ strm.next_in = source;
+ strm.next_out = dest;
+ strm.avail_in = sourceLen;
+ strm.avail_out = *destLen;
+
+ ret = BZ2_bzCompress ( &strm, BZ_FINISH );
+ if (ret == BZ_FINISH_OK) goto output_overflow;
+ if (ret != BZ_STREAM_END) goto errhandler;
+
+ /* normal termination */
+ *destLen -= strm.avail_out;
+ BZ2_bzCompressEnd ( &strm );
+ return BZ_OK;
+
+ output_overflow:
+ BZ2_bzCompressEnd ( &strm );
+ return BZ_OUTBUFF_FULL;
+
+ errhandler:
+ BZ2_bzCompressEnd ( &strm );
+ return ret;
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzBuffToBuffDecompress)
+ ( char* dest,
+ unsigned int* destLen,
+ char* source,
+ unsigned int sourceLen,
+ int small,
+ int verbosity )
+{
+ bz_stream strm;
+ int ret;
+
+ if (dest == NULL || destLen == NULL ||
+ source == NULL ||
+ (small != 0 && small != 1) ||
+ verbosity < 0 || verbosity > 4)
+ return BZ_PARAM_ERROR;
+
+ strm.bzalloc = NULL;
+ strm.bzfree = NULL;
+ strm.opaque = NULL;
+ ret = BZ2_bzDecompressInit ( &strm, verbosity, small );
+ if (ret != BZ_OK) return ret;
+
+ strm.next_in = source;
+ strm.next_out = dest;
+ strm.avail_in = sourceLen;
+ strm.avail_out = *destLen;
+
+ ret = BZ2_bzDecompress ( &strm );
+ if (ret == BZ_OK) goto output_overflow_or_eof;
+ if (ret != BZ_STREAM_END) goto errhandler;
+
+ /* normal termination */
+ *destLen -= strm.avail_out;
+ BZ2_bzDecompressEnd ( &strm );
+ return BZ_OK;
+
+ output_overflow_or_eof:
+ if (strm.avail_out > 0) {
+ BZ2_bzDecompressEnd ( &strm );
+ return BZ_UNEXPECTED_EOF;
+ } else {
+ BZ2_bzDecompressEnd ( &strm );
+ return BZ_OUTBUFF_FULL;
+ };
+
+ errhandler:
+ BZ2_bzDecompressEnd ( &strm );
+ return ret;
+}
+
+
+/*---------------------------------------------------*/
+/*--
+ Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
+ to support better zlib compatibility.
+ This code is not _officially_ part of libbzip2 (yet);
+ I haven't tested it, documented it, or considered the
+ threading-safeness of it.
+ If this code breaks, please contact both Yoshioka and me.
+--*/
+/*---------------------------------------------------*/
+
+/*---------------------------------------------------*/
+/*--
+ return version like "0.9.5d, 4-Sept-1999".
+--*/
+const char * BZ_API(BZ2_bzlibVersion)(void)
+{
+ return BZ_VERSION;
+}
+
+
+#ifndef BZ_NO_STDIO
+/*---------------------------------------------------*/
+
+#if defined(_WIN32) || defined(OS2) || defined(MSDOS)
+# include <fcntl.h>
+# include <io.h>
+# define SET_BINARY_MODE(file) _setmode(_fileno(file),O_BINARY)
+#else
+# define SET_BINARY_MODE(file)
+#endif
+static
+BZFILE * bzopen_or_bzdopen
+ ( const char *path, /* no use when bzdopen */
+ int fd, /* no use when bzdopen */
+ const char *mode,
+ int open_mode) /* bzopen: 0, bzdopen:1 */
+{
+ int bzerr;
+ char unused[BZ_MAX_UNUSED];
+ int blockSize100k = 9;
+ int writing = 0;
+ char mode2[10] = "";
+ FILE *fp = NULL;
+ BZFILE *bzfp = NULL;
+ int verbosity = 0;
+ int workFactor = 30;
+ int smallMode = 0;
+ int nUnused = 0;
+
+ if (mode == NULL) return NULL;
+ while (*mode) {
+ switch (*mode) {
+ case 'r':
+ writing = 0; break;
+ case 'w':
+ writing = 1; break;
+ case 's':
+ smallMode = 1; break;
+ default:
+ if (isdigit((int)(*mode))) {
+ blockSize100k = *mode-BZ_HDR_0;
+ }
+ }
+ mode++;
+ }
+ strcat(mode2, writing ? "w" : "r" );
+ strcat(mode2,"b"); /* binary mode */
+
+ if (open_mode==0) {
+ if (path==NULL || strcmp(path,"")==0) {
+ fp = (writing ? stdout : stdin);
+ SET_BINARY_MODE(fp);
+ } else {
+ fp = fopen(path,mode2);
+ }
+ } else {
+#ifdef BZ_STRICT_ANSI
+ fp = NULL;
+#else
+ fp = _fdopen(fd,mode2);
+#endif
+ }
+ if (fp == NULL) return NULL;
+
+ if (writing) {
+ /* Guard against total chaos and anarchy -- JRS */
+ if (blockSize100k < 1) blockSize100k = 1;
+ if (blockSize100k > 9) blockSize100k = 9;
+ bzfp = BZ2_bzWriteOpen(&bzerr,fp,blockSize100k,
+ verbosity,workFactor);
+ } else {
+ bzfp = BZ2_bzReadOpen(&bzerr,fp,verbosity,smallMode,
+ unused,nUnused);
+ }
+ if (bzfp == NULL) {
+ if (fp != stdin && fp != stdout) fclose(fp);
+ return NULL;
+ }
+ return bzfp;
+}
+
+
+/*---------------------------------------------------*/
+/*--
+ open file for read or write.
+ ex) bzopen("file","w9")
+ case path="" or NULL => use stdin or stdout.
+--*/
+BZFILE * BZ_API(BZ2_bzopen)
+ ( const char *path,
+ const char *mode )
+{
+ return bzopen_or_bzdopen(path,-1,mode,/*bzopen*/0);
+}
+
+
+/*---------------------------------------------------*/
+BZFILE * BZ_API(BZ2_bzdopen)
+ ( int fd,
+ const char *mode )
+{
+ return bzopen_or_bzdopen(NULL,fd,mode,/*bzdopen*/1);
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzread) (BZFILE* b, void* buf, int len )
+{
+ int bzerr, nread;
+ if (((bzFile*)b)->lastErr == BZ_STREAM_END) return 0;
+ nread = BZ2_bzRead(&bzerr,b,buf,len);
+ if (bzerr == BZ_OK || bzerr == BZ_STREAM_END) {
+ return nread;
+ } else {
+ return -1;
+ }
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzwrite) (BZFILE* b, void* buf, int len )
+{
+ int bzerr;
+
+ BZ2_bzWrite(&bzerr,b,buf,len);
+ if(bzerr == BZ_OK){
+ return len;
+ }else{
+ return -1;
+ }
+}
+
+
+/*---------------------------------------------------*/
+int BZ_API(BZ2_bzflush) (BZFILE *b)
+{
+ /* do nothing now... */
+ return 0;
+}
+
+
+/*---------------------------------------------------*/
+void BZ_API(BZ2_bzclose) (BZFILE* b)
+{
+ int bzerr;
+ FILE *fp;
+
+ if (b==NULL) {return;}
+ fp = ((bzFile *)b)->handle;
+ if(((bzFile*)b)->writing){
+ BZ2_bzWriteClose(&bzerr,b,0,NULL,NULL);
+ if(bzerr != BZ_OK){
+ BZ2_bzWriteClose(NULL,b,1,NULL,NULL);
+ }
+ }else{
+ BZ2_bzReadClose(&bzerr,b);
+ }
+ if(fp!=stdin && fp!=stdout){
+ fclose(fp);
+ }
+}
+
+
+/*---------------------------------------------------*/
+/*--
+ return last error code
+--*/
+static const char *bzerrorstrings[] = {
+ "OK"
+ ,"SEQUENCE_ERROR"
+ ,"PARAM_ERROR"
+ ,"MEM_ERROR"
+ ,"DATA_ERROR"
+ ,"DATA_ERROR_MAGIC"
+ ,"IO_ERROR"
+ ,"UNEXPECTED_EOF"
+ ,"OUTBUFF_FULL"
+ ,"CONFIG_ERROR"
+ ,"???" /* for future */
+ ,"???" /* for future */
+ ,"???" /* for future */
+ ,"???" /* for future */
+ ,"???" /* for future */
+ ,"???" /* for future */
+};
+
+
+const char * BZ_API(BZ2_bzerror) (BZFILE *b, int *errnum)
+{
+ int err = ((bzFile *)b)->lastErr;
+
+ if(err>0) err = 0;
+ *errnum = err;
+ return bzerrorstrings[err*-1];
+}
+#endif
+
+
+/*-------------------------------------------------------------*/
+/*--- end bzlib.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/bzlib.h b/rbutil/bzip2/bzlib.h
new file mode 100644
index 0000000000..8277123da8
--- /dev/null
+++ b/rbutil/bzip2/bzlib.h
@@ -0,0 +1,282 @@
+
+/*-------------------------------------------------------------*/
+/*--- Public header file for the library. ---*/
+/*--- bzlib.h ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#ifndef _BZLIB_H
+#define _BZLIB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BZ_RUN 0
+#define BZ_FLUSH 1
+#define BZ_FINISH 2
+
+#define BZ_OK 0
+#define BZ_RUN_OK 1
+#define BZ_FLUSH_OK 2
+#define BZ_FINISH_OK 3
+#define BZ_STREAM_END 4
+#define BZ_SEQUENCE_ERROR (-1)
+#define BZ_PARAM_ERROR (-2)
+#define BZ_MEM_ERROR (-3)
+#define BZ_DATA_ERROR (-4)
+#define BZ_DATA_ERROR_MAGIC (-5)
+#define BZ_IO_ERROR (-6)
+#define BZ_UNEXPECTED_EOF (-7)
+#define BZ_OUTBUFF_FULL (-8)
+#define BZ_CONFIG_ERROR (-9)
+
+typedef
+ struct {
+ char *next_in;
+ unsigned int avail_in;
+ unsigned int total_in_lo32;
+ unsigned int total_in_hi32;
+
+ char *next_out;
+ unsigned int avail_out;
+ unsigned int total_out_lo32;
+ unsigned int total_out_hi32;
+
+ void *state;
+
+ void *(*bzalloc)(void *,int,int);
+ void (*bzfree)(void *,void *);
+ void *opaque;
+ }
+ bz_stream;
+
+
+#ifndef BZ_IMPORT
+#define BZ_EXPORT
+#endif
+
+#ifndef BZ_NO_STDIO
+/* Need a definitition for FILE */
+#include <stdio.h>
+#endif
+
+#ifdef _WIN32
+# include <windows.h>
+# ifdef small
+ /* windows.h define small to char */
+# undef small
+# endif
+# ifdef BZ_EXPORT
+# define BZ_API(func) WINAPI func
+# define BZ_EXTERN extern
+# else
+ /* import windows dll dynamically */
+# define BZ_API(func) (WINAPI * func)
+# define BZ_EXTERN
+# endif
+#else
+# define BZ_API(func) func
+# define BZ_EXTERN extern
+#endif
+
+
+/*-- Core (low-level) library functions --*/
+
+BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
+ bz_stream* strm,
+ int blockSize100k,
+ int verbosity,
+ int workFactor
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzCompress) (
+ bz_stream* strm,
+ int action
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
+ bz_stream* strm
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (
+ bz_stream *strm,
+ int verbosity,
+ int small
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzDecompress) (
+ bz_stream* strm
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (
+ bz_stream *strm
+ );
+
+
+
+/*-- High(er) level library functions --*/
+
+#ifndef BZ_NO_STDIO
+#define BZ_MAX_UNUSED 5000
+
+typedef void BZFILE;
+
+BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) (
+ int* bzerror,
+ FILE* f,
+ int verbosity,
+ int small,
+ void* unused,
+ int nUnused
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzReadClose) (
+ int* bzerror,
+ BZFILE* b
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (
+ int* bzerror,
+ BZFILE* b,
+ void** unused,
+ int* nUnused
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzRead) (
+ int* bzerror,
+ BZFILE* b,
+ void* buf,
+ int len
+ );
+
+BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) (
+ int* bzerror,
+ FILE* f,
+ int blockSize100k,
+ int verbosity,
+ int workFactor
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzWrite) (
+ int* bzerror,
+ BZFILE* b,
+ void* buf,
+ int len
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzWriteClose) (
+ int* bzerror,
+ BZFILE* b,
+ int abandon,
+ unsigned int* nbytes_in,
+ unsigned int* nbytes_out
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) (
+ int* bzerror,
+ BZFILE* b,
+ int abandon,
+ unsigned int* nbytes_in_lo32,
+ unsigned int* nbytes_in_hi32,
+ unsigned int* nbytes_out_lo32,
+ unsigned int* nbytes_out_hi32
+ );
+#endif
+
+
+/*-- Utility functions --*/
+
+BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) (
+ char* dest,
+ unsigned int* destLen,
+ char* source,
+ unsigned int sourceLen,
+ int blockSize100k,
+ int verbosity,
+ int workFactor
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) (
+ char* dest,
+ unsigned int* destLen,
+ char* source,
+ unsigned int sourceLen,
+ int small,
+ int verbosity
+ );
+
+
+/*--
+ Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
+ to support better zlib compatibility.
+ This code is not _officially_ part of libbzip2 (yet);
+ I haven't tested it, documented it, or considered the
+ threading-safeness of it.
+ If this code breaks, please contact both Yoshioka and me.
+--*/
+
+BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (
+ void
+ );
+
+#ifndef BZ_NO_STDIO
+BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (
+ const char *path,
+ const char *mode
+ );
+
+BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (
+ int fd,
+ const char *mode
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzread) (
+ BZFILE* b,
+ void* buf,
+ int len
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzwrite) (
+ BZFILE* b,
+ void* buf,
+ int len
+ );
+
+BZ_EXTERN int BZ_API(BZ2_bzflush) (
+ BZFILE* b
+ );
+
+BZ_EXTERN void BZ_API(BZ2_bzclose) (
+ BZFILE* b
+ );
+
+BZ_EXTERN const char * BZ_API(BZ2_bzerror) (
+ BZFILE *b,
+ int *errnum
+ );
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/*-------------------------------------------------------------*/
+/*--- end bzlib.h ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/bzlib_private.h b/rbutil/bzip2/bzlib_private.h
new file mode 100644
index 0000000000..d2b1a97ccb
--- /dev/null
+++ b/rbutil/bzip2/bzlib_private.h
@@ -0,0 +1,512 @@
+
+/*-------------------------------------------------------------*/
+/*--- Private header file for the library. ---*/
+/*--- bzlib_private.h ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#ifndef _BZLIB_PRIVATE_H
+#define _BZLIB_PRIVATE_H
+
+#include <stdlib.h>
+
+#ifndef BZ_NO_STDIO
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#endif
+
+#include "bzlib.h"
+
+
+
+/*-- General stuff. --*/
+
+#define BZ_VERSION "1.0.6, 6-Sept-2010"
+
+typedef char Char;
+typedef unsigned char Bool;
+typedef unsigned char UChar;
+typedef int Int32;
+typedef unsigned int UInt32;
+typedef short Int16;
+typedef unsigned short UInt16;
+
+#define True ((Bool)1)
+#define False ((Bool)0)
+
+#ifndef __GNUC__
+#define __inline__ /* */
+#endif
+
+#ifndef BZ_NO_STDIO
+
+extern void BZ2_bz__AssertH__fail ( int errcode );
+#define AssertH(cond,errcode) \
+ { if (!(cond)) BZ2_bz__AssertH__fail ( errcode ); }
+
+#if BZ_DEBUG
+#define AssertD(cond,msg) \
+ { if (!(cond)) { \
+ fprintf ( stderr, \
+ "\n\nlibbzip2(debug build): internal error\n\t%s\n", msg );\
+ exit(1); \
+ }}
+#else
+#define AssertD(cond,msg) /* */
+#endif
+
+#define VPrintf0(zf) \
+ fprintf(stderr,zf)
+#define VPrintf1(zf,za1) \
+ fprintf(stderr,zf,za1)
+#define VPrintf2(zf,za1,za2) \
+ fprintf(stderr,zf,za1,za2)
+#define VPrintf3(zf,za1,za2,za3) \
+ fprintf(stderr,zf,za1,za2,za3)
+#define VPrintf4(zf,za1,za2,za3,za4) \
+ fprintf(stderr,zf,za1,za2,za3,za4)
+#define VPrintf5(zf,za1,za2,za3,za4,za5) \
+ fprintf(stderr,zf,za1,za2,za3,za4,za5)
+
+#else
+
+extern void bz_internal_error ( int errcode );
+#define AssertH(cond,errcode) \
+ { if (!(cond)) bz_internal_error ( errcode ); }
+#define AssertD(cond,msg) do { } while (0)
+#define VPrintf0(zf) do { } while (0)
+#define VPrintf1(zf,za1) do { } while (0)
+#define VPrintf2(zf,za1,za2) do { } while (0)
+#define VPrintf3(zf,za1,za2,za3) do { } while (0)
+#define VPrintf4(zf,za1,za2,za3,za4) do { } while (0)
+#define VPrintf5(zf,za1,za2,za3,za4,za5) do { } while (0)
+
+#endif
+
+
+#define BZALLOC(nnn) (strm->bzalloc)(strm->opaque,(nnn),1)
+#define BZFREE(ppp) (strm->bzfree)(strm->opaque,(ppp))
+
+
+/*-- Header bytes. --*/
+
+#define BZ_HDR_B 0x42 /* 'B' */
+#define BZ_HDR_Z 0x5a /* 'Z' */
+#define BZ_HDR_h 0x68 /* 'h' */
+#define BZ_HDR_0 0x30 /* '0' */
+
+/*-- Constants for the back end. --*/
+
+#define BZ_MAX_ALPHA_SIZE 258
+#define BZ_MAX_CODE_LEN 23
+
+#define BZ_RUNA 0
+#define BZ_RUNB 1
+
+#define BZ_N_GROUPS 6
+#define BZ_G_SIZE 50
+#define BZ_N_ITERS 4
+
+#define BZ_MAX_SELECTORS (2 + (900000 / BZ_G_SIZE))
+
+
+
+/*-- Stuff for randomising repetitive blocks. --*/
+
+extern Int32 BZ2_rNums[512];
+
+#define BZ_RAND_DECLS \
+ Int32 rNToGo; \
+ Int32 rTPos \
+
+#define BZ_RAND_INIT_MASK \
+ s->rNToGo = 0; \
+ s->rTPos = 0 \
+
+#define BZ_RAND_MASK ((s->rNToGo == 1) ? 1 : 0)
+
+#define BZ_RAND_UPD_MASK \
+ if (s->rNToGo == 0) { \
+ s->rNToGo = BZ2_rNums[s->rTPos]; \
+ s->rTPos++; \
+ if (s->rTPos == 512) s->rTPos = 0; \
+ } \
+ s->rNToGo--;
+
+
+
+/*-- Stuff for doing CRCs. --*/
+
+extern UInt32 BZ2_crc32Table[256];
+
+#define BZ_INITIALISE_CRC(crcVar) \
+{ \
+ crcVar = 0xffffffffL; \
+}
+
+#define BZ_FINALISE_CRC(crcVar) \
+{ \
+ crcVar = ~(crcVar); \
+}
+
+#define BZ_UPDATE_CRC(crcVar,cha) \
+{ \
+ crcVar = (crcVar << 8) ^ \
+ BZ2_crc32Table[(crcVar >> 24) ^ \
+ ((UChar)cha)]; \
+}
+
+
+
+/*-- States and modes for compression. --*/
+
+#define BZ_M_IDLE 1
+#define BZ_M_RUNNING 2
+#define BZ_M_FLUSHING 3
+#define BZ_M_FINISHING 4
+
+#define BZ_S_OUTPUT 1
+#define BZ_S_INPUT 2
+
+#define BZ_N_RADIX 2
+#define BZ_N_QSORT 12
+#define BZ_N_SHELL 18
+#define BZ_N_OVERSHOOT (BZ_N_RADIX + BZ_N_QSORT + BZ_N_SHELL + 2)
+
+
+
+
+/*-- Structure holding all the compression-side stuff. --*/
+
+typedef
+ struct {
+ /* pointer back to the struct bz_stream */
+ bz_stream* strm;
+
+ /* mode this stream is in, and whether inputting */
+ /* or outputting data */
+ Int32 mode;
+ Int32 state;
+
+ /* remembers avail_in when flush/finish requested */
+ UInt32 avail_in_expect;
+
+ /* for doing the block sorting */
+ UInt32* arr1;
+ UInt32* arr2;
+ UInt32* ftab;
+ Int32 origPtr;
+
+ /* aliases for arr1 and arr2 */
+ UInt32* ptr;
+ UChar* block;
+ UInt16* mtfv;
+ UChar* zbits;
+
+ /* for deciding when to use the fallback sorting algorithm */
+ Int32 workFactor;
+
+ /* run-length-encoding of the input */
+ UInt32 state_in_ch;
+ Int32 state_in_len;
+ BZ_RAND_DECLS;
+
+ /* input and output limits and current posns */
+ Int32 nblock;
+ Int32 nblockMAX;
+ Int32 numZ;
+ Int32 state_out_pos;
+
+ /* map of bytes used in block */
+ Int32 nInUse;
+ Bool inUse[256];
+ UChar unseqToSeq[256];
+
+ /* the buffer for bit stream creation */
+ UInt32 bsBuff;
+ Int32 bsLive;
+
+ /* block and combined CRCs */
+ UInt32 blockCRC;
+ UInt32 combinedCRC;
+
+ /* misc administratium */
+ Int32 verbosity;
+ Int32 blockNo;
+ Int32 blockSize100k;
+
+ /* stuff for coding the MTF values */
+ Int32 nMTF;
+ Int32 mtfFreq [BZ_MAX_ALPHA_SIZE];
+ UChar selector [BZ_MAX_SELECTORS];
+ UChar selectorMtf[BZ_MAX_SELECTORS];
+
+ UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 rfreq [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ /* second dimension: only 3 needed; 4 makes index calculations faster */
+ UInt32 len_pack[BZ_MAX_ALPHA_SIZE][4];
+
+ }
+ EState;
+
+
+
+/*-- externs for compression. --*/
+
+extern void
+BZ2_blockSort ( EState* );
+
+extern void
+BZ2_compressBlock ( EState*, Bool );
+
+extern void
+BZ2_bsInitWrite ( EState* );
+
+extern void
+BZ2_hbAssignCodes ( Int32*, UChar*, Int32, Int32, Int32 );
+
+extern void
+BZ2_hbMakeCodeLengths ( UChar*, Int32*, Int32, Int32 );
+
+
+
+/*-- states for decompression. --*/
+
+#define BZ_X_IDLE 1
+#define BZ_X_OUTPUT 2
+
+#define BZ_X_MAGIC_1 10
+#define BZ_X_MAGIC_2 11
+#define BZ_X_MAGIC_3 12
+#define BZ_X_MAGIC_4 13
+#define BZ_X_BLKHDR_1 14
+#define BZ_X_BLKHDR_2 15
+#define BZ_X_BLKHDR_3 16
+#define BZ_X_BLKHDR_4 17
+#define BZ_X_BLKHDR_5 18
+#define BZ_X_BLKHDR_6 19
+#define BZ_X_BCRC_1 20
+#define BZ_X_BCRC_2 21
+#define BZ_X_BCRC_3 22
+#define BZ_X_BCRC_4 23
+#define BZ_X_RANDBIT 24
+#define BZ_X_ORIGPTR_1 25
+#define BZ_X_ORIGPTR_2 26
+#define BZ_X_ORIGPTR_3 27
+#define BZ_X_MAPPING_1 28
+#define BZ_X_MAPPING_2 29
+#define BZ_X_SELECTOR_1 30
+#define BZ_X_SELECTOR_2 31
+#define BZ_X_SELECTOR_3 32
+#define BZ_X_CODING_1 33
+#define BZ_X_CODING_2 34
+#define BZ_X_CODING_3 35
+#define BZ_X_MTF_1 36
+#define BZ_X_MTF_2 37
+#define BZ_X_MTF_3 38
+#define BZ_X_MTF_4 39
+#define BZ_X_MTF_5 40
+#define BZ_X_MTF_6 41
+#define BZ_X_ENDHDR_2 42
+#define BZ_X_ENDHDR_3 43
+#define BZ_X_ENDHDR_4 44
+#define BZ_X_ENDHDR_5 45
+#define BZ_X_ENDHDR_6 46
+#define BZ_X_CCRC_1 47
+#define BZ_X_CCRC_2 48
+#define BZ_X_CCRC_3 49
+#define BZ_X_CCRC_4 50
+
+
+
+/*-- Constants for the fast MTF decoder. --*/
+
+#define MTFA_SIZE 4096
+#define MTFL_SIZE 16
+
+
+
+/*-- Structure holding all the decompression-side stuff. --*/
+
+typedef
+ struct {
+ /* pointer back to the struct bz_stream */
+ bz_stream* strm;
+
+ /* state indicator for this stream */
+ Int32 state;
+
+ /* for doing the final run-length decoding */
+ UChar state_out_ch;
+ Int32 state_out_len;
+ Bool blockRandomised;
+ BZ_RAND_DECLS;
+
+ /* the buffer for bit stream reading */
+ UInt32 bsBuff;
+ Int32 bsLive;
+
+ /* misc administratium */
+ Int32 blockSize100k;
+ Bool smallDecompress;
+ Int32 currBlockNo;
+ Int32 verbosity;
+
+ /* for undoing the Burrows-Wheeler transform */
+ Int32 origPtr;
+ UInt32 tPos;
+ Int32 k0;
+ Int32 unzftab[256];
+ Int32 nblock_used;
+ Int32 cftab[257];
+ Int32 cftabCopy[257];
+
+ /* for undoing the Burrows-Wheeler transform (FAST) */
+ UInt32 *tt;
+
+ /* for undoing the Burrows-Wheeler transform (SMALL) */
+ UInt16 *ll16;
+ UChar *ll4;
+
+ /* stored and calculated CRCs */
+ UInt32 storedBlockCRC;
+ UInt32 storedCombinedCRC;
+ UInt32 calculatedBlockCRC;
+ UInt32 calculatedCombinedCRC;
+
+ /* map of bytes used in block */
+ Int32 nInUse;
+ Bool inUse[256];
+ Bool inUse16[16];
+ UChar seqToUnseq[256];
+
+ /* for decoding the MTF values */
+ UChar mtfa [MTFA_SIZE];
+ Int32 mtfbase[256 / MTFL_SIZE];
+ UChar selector [BZ_MAX_SELECTORS];
+ UChar selectorMtf[BZ_MAX_SELECTORS];
+ UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+
+ Int32 limit [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 base [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 perm [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 minLens[BZ_N_GROUPS];
+
+ /* save area for scalars in the main decompress code */
+ Int32 save_i;
+ Int32 save_j;
+ Int32 save_t;
+ Int32 save_alphaSize;
+ Int32 save_nGroups;
+ Int32 save_nSelectors;
+ Int32 save_EOB;
+ Int32 save_groupNo;
+ Int32 save_groupPos;
+ Int32 save_nextSym;
+ Int32 save_nblockMAX;
+ Int32 save_nblock;
+ Int32 save_es;
+ Int32 save_N;
+ Int32 save_curr;
+ Int32 save_zt;
+ Int32 save_zn;
+ Int32 save_zvec;
+ Int32 save_zj;
+ Int32 save_gSel;
+ Int32 save_gMinlen;
+ Int32* save_gLimit;
+ Int32* save_gBase;
+ Int32* save_gPerm;
+
+ }
+ DState;
+
+
+
+/*-- Macros for decompression. --*/
+
+#define BZ_GET_FAST(cccc) \
+ /* c_tPos is unsigned, hence test < 0 is pointless. */ \
+ if (s->tPos >= (UInt32)100000 * (UInt32)s->blockSize100k) return True; \
+ s->tPos = s->tt[s->tPos]; \
+ cccc = (UChar)(s->tPos & 0xff); \
+ s->tPos >>= 8;
+
+#define BZ_GET_FAST_C(cccc) \
+ /* c_tPos is unsigned, hence test < 0 is pointless. */ \
+ if (c_tPos >= (UInt32)100000 * (UInt32)ro_blockSize100k) return True; \
+ c_tPos = c_tt[c_tPos]; \
+ cccc = (UChar)(c_tPos & 0xff); \
+ c_tPos >>= 8;
+
+#define SET_LL4(i,n) \
+ { if (((i) & 0x1) == 0) \
+ s->ll4[(i) >> 1] = (s->ll4[(i) >> 1] & 0xf0) | (n); else \
+ s->ll4[(i) >> 1] = (s->ll4[(i) >> 1] & 0x0f) | ((n) << 4); \
+ }
+
+#define GET_LL4(i) \
+ ((((UInt32)(s->ll4[(i) >> 1])) >> (((i) << 2) & 0x4)) & 0xF)
+
+#define SET_LL(i,n) \
+ { s->ll16[i] = (UInt16)(n & 0x0000ffff); \
+ SET_LL4(i, n >> 16); \
+ }
+
+#define GET_LL(i) \
+ (((UInt32)s->ll16[i]) | (GET_LL4(i) << 16))
+
+#define BZ_GET_SMALL(cccc) \
+ /* c_tPos is unsigned, hence test < 0 is pointless. */ \
+ if (s->tPos >= (UInt32)100000 * (UInt32)s->blockSize100k) return True; \
+ cccc = BZ2_indexIntoF ( s->tPos, s->cftab ); \
+ s->tPos = GET_LL(s->tPos);
+
+
+/*-- externs for decompression. --*/
+
+extern Int32
+BZ2_indexIntoF ( Int32, Int32* );
+
+extern Int32
+BZ2_decompress ( DState* );
+
+extern void
+BZ2_hbCreateDecodeTables ( Int32*, Int32*, Int32*, UChar*,
+ Int32, Int32, Int32 );
+
+
+#endif
+
+
+/*-- BZ_NO_STDIO seems to make NULL disappear on some platforms. --*/
+
+#ifdef BZ_NO_STDIO
+#ifndef NULL
+#define NULL 0
+#endif
+#endif
+
+#ifndef WIN32
+#define _fdopen fdopen
+#endif
+
+/*-------------------------------------------------------------*/
+/*--- end bzlib_private.h ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/compress.c b/rbutil/bzip2/compress.c
new file mode 100644
index 0000000000..caf7696011
--- /dev/null
+++ b/rbutil/bzip2/compress.c
@@ -0,0 +1,672 @@
+
+/*-------------------------------------------------------------*/
+/*--- Compression machinery (not incl block sorting) ---*/
+/*--- compress.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+/* CHANGES
+ 0.9.0 -- original version.
+ 0.9.0a/b -- no changes in this file.
+ 0.9.0c -- changed setting of nGroups in sendMTFValues()
+ so as to do a bit better on small files
+*/
+
+#include "bzlib_private.h"
+
+
+/*---------------------------------------------------*/
+/*--- Bit stream I/O ---*/
+/*---------------------------------------------------*/
+
+/*---------------------------------------------------*/
+void BZ2_bsInitWrite ( EState* s )
+{
+ s->bsLive = 0;
+ s->bsBuff = 0;
+}
+
+
+/*---------------------------------------------------*/
+static
+void bsFinishWrite ( EState* s )
+{
+ while (s->bsLive > 0) {
+ s->zbits[s->numZ] = (UChar)(s->bsBuff >> 24);
+ s->numZ++;
+ s->bsBuff <<= 8;
+ s->bsLive -= 8;
+ }
+}
+
+
+/*---------------------------------------------------*/
+#define bsNEEDW(nz) \
+{ \
+ while (s->bsLive >= 8) { \
+ s->zbits[s->numZ] \
+ = (UChar)(s->bsBuff >> 24); \
+ s->numZ++; \
+ s->bsBuff <<= 8; \
+ s->bsLive -= 8; \
+ } \
+}
+
+
+/*---------------------------------------------------*/
+static
+__inline__
+void bsW ( EState* s, Int32 n, UInt32 v )
+{
+ bsNEEDW ( n );
+ s->bsBuff |= (v << (32 - s->bsLive - n));
+ s->bsLive += n;
+}
+
+
+/*---------------------------------------------------*/
+static
+void bsPutUInt32 ( EState* s, UInt32 u )
+{
+ bsW ( s, 8, (u >> 24) & 0xffL );
+ bsW ( s, 8, (u >> 16) & 0xffL );
+ bsW ( s, 8, (u >> 8) & 0xffL );
+ bsW ( s, 8, u & 0xffL );
+}
+
+
+/*---------------------------------------------------*/
+static
+void bsPutUChar ( EState* s, UChar c )
+{
+ bsW( s, 8, (UInt32)c );
+}
+
+
+/*---------------------------------------------------*/
+/*--- The back end proper ---*/
+/*---------------------------------------------------*/
+
+/*---------------------------------------------------*/
+static
+void makeMaps_e ( EState* s )
+{
+ Int32 i;
+ s->nInUse = 0;
+ for (i = 0; i < 256; i++)
+ if (s->inUse[i]) {
+ s->unseqToSeq[i] = s->nInUse;
+ s->nInUse++;
+ }
+}
+
+
+/*---------------------------------------------------*/
+static
+void generateMTFValues ( EState* s )
+{
+ UChar yy[256];
+ Int32 i, j;
+ Int32 zPend;
+ Int32 wr;
+ Int32 EOB;
+
+ /*
+ After sorting (eg, here),
+ s->arr1 [ 0 .. s->nblock-1 ] holds sorted order,
+ and
+ ((UChar*)s->arr2) [ 0 .. s->nblock-1 ]
+ holds the original block data.
+
+ The first thing to do is generate the MTF values,
+ and put them in
+ ((UInt16*)s->arr1) [ 0 .. s->nblock-1 ].
+ Because there are strictly fewer or equal MTF values
+ than block values, ptr values in this area are overwritten
+ with MTF values only when they are no longer needed.
+
+ The final compressed bitstream is generated into the
+ area starting at
+ (UChar*) (&((UChar*)s->arr2)[s->nblock])
+
+ These storage aliases are set up in bzCompressInit(),
+ except for the last one, which is arranged in
+ compressBlock().
+ */
+ UInt32* ptr = s->ptr;
+ UChar* block = s->block;
+ UInt16* mtfv = s->mtfv;
+
+ makeMaps_e ( s );
+ EOB = s->nInUse+1;
+
+ for (i = 0; i <= EOB; i++) s->mtfFreq[i] = 0;
+
+ wr = 0;
+ zPend = 0;
+ for (i = 0; i < s->nInUse; i++) yy[i] = (UChar) i;
+
+ for (i = 0; i < s->nblock; i++) {
+ UChar ll_i;
+ AssertD ( wr <= i, "generateMTFValues(1)" );
+ j = ptr[i]-1; if (j < 0) j += s->nblock;
+ ll_i = s->unseqToSeq[block[j]];
+ AssertD ( ll_i < s->nInUse, "generateMTFValues(2a)" );
+
+ if (yy[0] == ll_i) {
+ zPend++;
+ } else {
+
+ if (zPend > 0) {
+ zPend--;
+ while (True) {
+ if (zPend & 1) {
+ mtfv[wr] = BZ_RUNB; wr++;
+ s->mtfFreq[BZ_RUNB]++;
+ } else {
+ mtfv[wr] = BZ_RUNA; wr++;
+ s->mtfFreq[BZ_RUNA]++;
+ }
+ if (zPend < 2) break;
+ zPend = (zPend - 2) / 2;
+ };
+ zPend = 0;
+ }
+ {
+ register UChar rtmp;
+ register UChar* ryy_j;
+ register UChar rll_i;
+ rtmp = yy[1];
+ yy[1] = yy[0];
+ ryy_j = &(yy[1]);
+ rll_i = ll_i;
+ while ( rll_i != rtmp ) {
+ register UChar rtmp2;
+ ryy_j++;
+ rtmp2 = rtmp;
+ rtmp = *ryy_j;
+ *ryy_j = rtmp2;
+ };
+ yy[0] = rtmp;
+ j = ryy_j - &(yy[0]);
+ mtfv[wr] = j+1; wr++; s->mtfFreq[j+1]++;
+ }
+
+ }
+ }
+
+ if (zPend > 0) {
+ zPend--;
+ while (True) {
+ if (zPend & 1) {
+ mtfv[wr] = BZ_RUNB; wr++;
+ s->mtfFreq[BZ_RUNB]++;
+ } else {
+ mtfv[wr] = BZ_RUNA; wr++;
+ s->mtfFreq[BZ_RUNA]++;
+ }
+ if (zPend < 2) break;
+ zPend = (zPend - 2) / 2;
+ };
+ zPend = 0;
+ }
+
+ mtfv[wr] = EOB; wr++; s->mtfFreq[EOB]++;
+
+ s->nMTF = wr;
+}
+
+
+/*---------------------------------------------------*/
+#define BZ_LESSER_ICOST 0
+#define BZ_GREATER_ICOST 15
+
+static
+void sendMTFValues ( EState* s )
+{
+ Int32 v, t, i, j, gs, ge, totc, bt, bc, iter;
+ Int32 nSelectors, alphaSize, minLen, maxLen, selCtr;
+ Int32 nGroups, nBytes;
+
+ /*--
+ UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ is a global since the decoder also needs it.
+
+ Int32 code[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ Int32 rfreq[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
+ are also globals only used in this proc.
+ Made global to keep stack frame size small.
+ --*/
+
+
+ UInt16 cost[BZ_N_GROUPS];
+ Int32 fave[BZ_N_GROUPS];
+
+ UInt16* mtfv = s->mtfv;
+
+ if (s->verbosity >= 3)
+ VPrintf3( " %d in block, %d after MTF & 1-2 coding, "
+ "%d+2 syms in use\n",
+ s->nblock, s->nMTF, s->nInUse );
+
+ alphaSize = s->nInUse+2;
+ for (t = 0; t < BZ_N_GROUPS; t++)
+ for (v = 0; v < alphaSize; v++)
+ s->len[t][v] = BZ_GREATER_ICOST;
+
+ /*--- Decide how many coding tables to use ---*/
+ AssertH ( s->nMTF > 0, 3001 );
+ if (s->nMTF < 200) nGroups = 2; else
+ if (s->nMTF < 600) nGroups = 3; else
+ if (s->nMTF < 1200) nGroups = 4; else
+ if (s->nMTF < 2400) nGroups = 5; else
+ nGroups = 6;
+
+ /*--- Generate an initial set of coding tables ---*/
+ {
+ Int32 nPart, remF, tFreq, aFreq;
+
+ nPart = nGroups;
+ remF = s->nMTF;
+ gs = 0;
+ while (nPart > 0) {
+ tFreq = remF / nPart;
+ ge = gs-1;
+ aFreq = 0;
+ while (aFreq < tFreq && ge < alphaSize-1) {
+ ge++;
+ aFreq += s->mtfFreq[ge];
+ }
+
+ if (ge > gs
+ && nPart != nGroups && nPart != 1
+ && ((nGroups-nPart) % 2 == 1)) {
+ aFreq -= s->mtfFreq[ge];
+ ge--;
+ }
+
+ if (s->verbosity >= 3)
+ VPrintf5( " initial group %d, [%d .. %d], "
+ "has %d syms (%4.1f%%)\n",
+ nPart, gs, ge, aFreq,
+ (100.0 * (float)aFreq) / (float)(s->nMTF) );
+
+ for (v = 0; v < alphaSize; v++)
+ if (v >= gs && v <= ge)
+ s->len[nPart-1][v] = BZ_LESSER_ICOST; else
+ s->len[nPart-1][v] = BZ_GREATER_ICOST;
+
+ nPart--;
+ gs = ge+1;
+ remF -= aFreq;
+ }
+ }
+
+ /*---
+ Iterate up to BZ_N_ITERS times to improve the tables.
+ ---*/
+ for (iter = 0; iter < BZ_N_ITERS; iter++) {
+
+ for (t = 0; t < nGroups; t++) fave[t] = 0;
+
+ for (t = 0; t < nGroups; t++)
+ for (v = 0; v < alphaSize; v++)
+ s->rfreq[t][v] = 0;
+
+ /*---
+ Set up an auxiliary length table which is used to fast-track
+ the common case (nGroups == 6).
+ ---*/
+ if (nGroups == 6) {
+ for (v = 0; v < alphaSize; v++) {
+ s->len_pack[v][0] = (s->len[1][v] << 16) | s->len[0][v];
+ s->len_pack[v][1] = (s->len[3][v] << 16) | s->len[2][v];
+ s->len_pack[v][2] = (s->len[5][v] << 16) | s->len[4][v];
+ }
+ }
+
+ nSelectors = 0;
+ totc = 0;
+ gs = 0;
+ while (True) {
+
+ /*--- Set group start & end marks. --*/
+ if (gs >= s->nMTF) break;
+ ge = gs + BZ_G_SIZE - 1;
+ if (ge >= s->nMTF) ge = s->nMTF-1;
+
+ /*--
+ Calculate the cost of this group as coded
+ by each of the coding tables.
+ --*/
+ for (t = 0; t < nGroups; t++) cost[t] = 0;
+
+ if (nGroups == 6 && 50 == ge-gs+1) {
+ /*--- fast track the common case ---*/
+ register UInt32 cost01, cost23, cost45;
+ register UInt16 icv;
+ cost01 = cost23 = cost45 = 0;
+
+# define BZ_ITER(nn) \
+ icv = mtfv[gs+(nn)]; \
+ cost01 += s->len_pack[icv][0]; \
+ cost23 += s->len_pack[icv][1]; \
+ cost45 += s->len_pack[icv][2]; \
+
+ BZ_ITER(0); BZ_ITER(1); BZ_ITER(2); BZ_ITER(3); BZ_ITER(4);
+ BZ_ITER(5); BZ_ITER(6); BZ_ITER(7); BZ_ITER(8); BZ_ITER(9);
+ BZ_ITER(10); BZ_ITER(11); BZ_ITER(12); BZ_ITER(13); BZ_ITER(14);
+ BZ_ITER(15); BZ_ITER(16); BZ_ITER(17); BZ_ITER(18); BZ_ITER(19);
+ BZ_ITER(20); BZ_ITER(21); BZ_ITER(22); BZ_ITER(23); BZ_ITER(24);
+ BZ_ITER(25); BZ_ITER(26); BZ_ITER(27); BZ_ITER(28); BZ_ITER(29);
+ BZ_ITER(30); BZ_ITER(31); BZ_ITER(32); BZ_ITER(33); BZ_ITER(34);
+ BZ_ITER(35); BZ_ITER(36); BZ_ITER(37); BZ_ITER(38); BZ_ITER(39);
+ BZ_ITER(40); BZ_ITER(41); BZ_ITER(42); BZ_ITER(43); BZ_ITER(44);
+ BZ_ITER(45); BZ_ITER(46); BZ_ITER(47); BZ_ITER(48); BZ_ITER(49);
+
+# undef BZ_ITER
+
+ cost[0] = cost01 & 0xffff; cost[1] = cost01 >> 16;
+ cost[2] = cost23 & 0xffff; cost[3] = cost23 >> 16;
+ cost[4] = cost45 & 0xffff; cost[5] = cost45 >> 16;
+
+ } else {
+ /*--- slow version which correctly handles all situations ---*/
+ for (i = gs; i <= ge; i++) {
+ UInt16 icv = mtfv[i];
+ for (t = 0; t < nGroups; t++) cost[t] += s->len[t][icv];
+ }
+ }
+
+ /*--
+ Find the coding table which is best for this group,
+ and record its identity in the selector table.
+ --*/
+ bc = 999999999; bt = -1;
+ for (t = 0; t < nGroups; t++)
+ if (cost[t] < bc) { bc = cost[t]; bt = t; };
+ totc += bc;
+ fave[bt]++;
+ s->selector[nSelectors] = bt;
+ nSelectors++;
+
+ /*--
+ Increment the symbol frequencies for the selected table.
+ --*/
+ if (nGroups == 6 && 50 == ge-gs+1) {
+ /*--- fast track the common case ---*/
+
+# define BZ_ITUR(nn) s->rfreq[bt][ mtfv[gs+(nn)] ]++
+
+ BZ_ITUR(0); BZ_ITUR(1); BZ_ITUR(2); BZ_ITUR(3); BZ_ITUR(4);
+ BZ_ITUR(5); BZ_ITUR(6); BZ_ITUR(7); BZ_ITUR(8); BZ_ITUR(9);
+ BZ_ITUR(10); BZ_ITUR(11); BZ_ITUR(12); BZ_ITUR(13); BZ_ITUR(14);
+ BZ_ITUR(15); BZ_ITUR(16); BZ_ITUR(17); BZ_ITUR(18); BZ_ITUR(19);
+ BZ_ITUR(20); BZ_ITUR(21); BZ_ITUR(22); BZ_ITUR(23); BZ_ITUR(24);
+ BZ_ITUR(25); BZ_ITUR(26); BZ_ITUR(27); BZ_ITUR(28); BZ_ITUR(29);
+ BZ_ITUR(30); BZ_ITUR(31); BZ_ITUR(32); BZ_ITUR(33); BZ_ITUR(34);
+ BZ_ITUR(35); BZ_ITUR(36); BZ_ITUR(37); BZ_ITUR(38); BZ_ITUR(39);
+ BZ_ITUR(40); BZ_ITUR(41); BZ_ITUR(42); BZ_ITUR(43); BZ_ITUR(44);
+ BZ_ITUR(45); BZ_ITUR(46); BZ_ITUR(47); BZ_ITUR(48); BZ_ITUR(49);
+
+# undef BZ_ITUR
+
+ } else {
+ /*--- slow version which correctly handles all situations ---*/
+ for (i = gs; i <= ge; i++)
+ s->rfreq[bt][ mtfv[i] ]++;
+ }
+
+ gs = ge+1;
+ }
+ if (s->verbosity >= 3) {
+ VPrintf2 ( " pass %d: size is %d, grp uses are ",
+ iter+1, totc/8 );
+ for (t = 0; t < nGroups; t++)
+ VPrintf1 ( "%d ", fave[t] );
+ VPrintf0 ( "\n" );
+ }
+
+ /*--
+ Recompute the tables based on the accumulated frequencies.
+ --*/
+ /* maxLen was changed from 20 to 17 in bzip2-1.0.3. See
+ comment in huffman.c for details. */
+ for (t = 0; t < nGroups; t++)
+ BZ2_hbMakeCodeLengths ( &(s->len[t][0]), &(s->rfreq[t][0]),
+ alphaSize, 17 /*20*/ );
+ }
+
+
+ AssertH( nGroups < 8, 3002 );
+ AssertH( nSelectors < 32768 &&
+ nSelectors <= (2 + (900000 / BZ_G_SIZE)),
+ 3003 );
+
+
+ /*--- Compute MTF values for the selectors. ---*/
+ {
+ UChar pos[BZ_N_GROUPS], ll_i, tmp2, tmp;
+ for (i = 0; i < nGroups; i++) pos[i] = i;
+ for (i = 0; i < nSelectors; i++) {
+ ll_i = s->selector[i];
+ j = 0;
+ tmp = pos[j];
+ while ( ll_i != tmp ) {
+ j++;
+ tmp2 = tmp;
+ tmp = pos[j];
+ pos[j] = tmp2;
+ };
+ pos[0] = tmp;
+ s->selectorMtf[i] = j;
+ }
+ };
+
+ /*--- Assign actual codes for the tables. --*/
+ for (t = 0; t < nGroups; t++) {
+ minLen = 32;
+ maxLen = 0;
+ for (i = 0; i < alphaSize; i++) {
+ if (s->len[t][i] > maxLen) maxLen = s->len[t][i];
+ if (s->len[t][i] < minLen) minLen = s->len[t][i];
+ }
+ AssertH ( !(maxLen > 17 /*20*/ ), 3004 );
+ AssertH ( !(minLen < 1), 3005 );
+ BZ2_hbAssignCodes ( &(s->code[t][0]), &(s->len[t][0]),
+ minLen, maxLen, alphaSize );
+ }
+
+ /*--- Transmit the mapping table. ---*/
+ {
+ Bool inUse16[16];
+ for (i = 0; i < 16; i++) {
+ inUse16[i] = False;
+ for (j = 0; j < 16; j++)
+ if (s->inUse[i * 16 + j]) inUse16[i] = True;
+ }
+
+ nBytes = s->numZ;
+ for (i = 0; i < 16; i++)
+ if (inUse16[i]) bsW(s,1,1); else bsW(s,1,0);
+
+ for (i = 0; i < 16; i++)
+ if (inUse16[i])
+ for (j = 0; j < 16; j++) {
+ if (s->inUse[i * 16 + j]) bsW(s,1,1); else bsW(s,1,0);
+ }
+
+ if (s->verbosity >= 3)
+ VPrintf1( " bytes: mapping %d, ", s->numZ-nBytes );
+ }
+
+ /*--- Now the selectors. ---*/
+ nBytes = s->numZ;
+ bsW ( s, 3, nGroups );
+ bsW ( s, 15, nSelectors );
+ for (i = 0; i < nSelectors; i++) {
+ for (j = 0; j < s->selectorMtf[i]; j++) bsW(s,1,1);
+ bsW(s,1,0);
+ }
+ if (s->verbosity >= 3)
+ VPrintf1( "selectors %d, ", s->numZ-nBytes );
+
+ /*--- Now the coding tables. ---*/
+ nBytes = s->numZ;
+
+ for (t = 0; t < nGroups; t++) {
+ Int32 curr = s->len[t][0];
+ bsW ( s, 5, curr );
+ for (i = 0; i < alphaSize; i++) {
+ while (curr < s->len[t][i]) { bsW(s,2,2); curr++; /* 10 */ };
+ while (curr > s->len[t][i]) { bsW(s,2,3); curr--; /* 11 */ };
+ bsW ( s, 1, 0 );
+ }
+ }
+
+ if (s->verbosity >= 3)
+ VPrintf1 ( "code lengths %d, ", s->numZ-nBytes );
+
+ /*--- And finally, the block data proper ---*/
+ nBytes = s->numZ;
+ selCtr = 0;
+ gs = 0;
+ while (True) {
+ if (gs >= s->nMTF) break;
+ ge = gs + BZ_G_SIZE - 1;
+ if (ge >= s->nMTF) ge = s->nMTF-1;
+ AssertH ( s->selector[selCtr] < nGroups, 3006 );
+
+ if (nGroups == 6 && 50 == ge-gs+1) {
+ /*--- fast track the common case ---*/
+ UInt16 mtfv_i;
+ UChar* s_len_sel_selCtr
+ = &(s->len[s->selector[selCtr]][0]);
+ Int32* s_code_sel_selCtr
+ = &(s->code[s->selector[selCtr]][0]);
+
+# define BZ_ITAH(nn) \
+ mtfv_i = mtfv[gs+(nn)]; \
+ bsW ( s, \
+ s_len_sel_selCtr[mtfv_i], \
+ s_code_sel_selCtr[mtfv_i] )
+
+ BZ_ITAH(0); BZ_ITAH(1); BZ_ITAH(2); BZ_ITAH(3); BZ_ITAH(4);
+ BZ_ITAH(5); BZ_ITAH(6); BZ_ITAH(7); BZ_ITAH(8); BZ_ITAH(9);
+ BZ_ITAH(10); BZ_ITAH(11); BZ_ITAH(12); BZ_ITAH(13); BZ_ITAH(14);
+ BZ_ITAH(15); BZ_ITAH(16); BZ_ITAH(17); BZ_ITAH(18); BZ_ITAH(19);
+ BZ_ITAH(20); BZ_ITAH(21); BZ_ITAH(22); BZ_ITAH(23); BZ_ITAH(24);
+ BZ_ITAH(25); BZ_ITAH(26); BZ_ITAH(27); BZ_ITAH(28); BZ_ITAH(29);
+ BZ_ITAH(30); BZ_ITAH(31); BZ_ITAH(32); BZ_ITAH(33); BZ_ITAH(34);
+ BZ_ITAH(35); BZ_ITAH(36); BZ_ITAH(37); BZ_ITAH(38); BZ_ITAH(39);
+ BZ_ITAH(40); BZ_ITAH(41); BZ_ITAH(42); BZ_ITAH(43); BZ_ITAH(44);
+ BZ_ITAH(45); BZ_ITAH(46); BZ_ITAH(47); BZ_ITAH(48); BZ_ITAH(49);
+
+# undef BZ_ITAH
+
+ } else {
+ /*--- slow version which correctly handles all situations ---*/
+ for (i = gs; i <= ge; i++) {
+ bsW ( s,
+ s->len [s->selector[selCtr]] [mtfv[i]],
+ s->code [s->selector[selCtr]] [mtfv[i]] );
+ }
+ }
+
+
+ gs = ge+1;
+ selCtr++;
+ }
+ AssertH( selCtr == nSelectors, 3007 );
+
+ if (s->verbosity >= 3)
+ VPrintf1( "codes %d\n", s->numZ-nBytes );
+}
+
+
+/*---------------------------------------------------*/
+void BZ2_compressBlock ( EState* s, Bool is_last_block )
+{
+ if (s->nblock > 0) {
+
+ BZ_FINALISE_CRC ( s->blockCRC );
+ s->combinedCRC = (s->combinedCRC << 1) | (s->combinedCRC >> 31);
+ s->combinedCRC ^= s->blockCRC;
+ if (s->blockNo > 1) s->numZ = 0;
+
+ if (s->verbosity >= 2)
+ VPrintf4( " block %d: crc = 0x%08x, "
+ "combined CRC = 0x%08x, size = %d\n",
+ s->blockNo, s->blockCRC, s->combinedCRC, s->nblock );
+
+ BZ2_blockSort ( s );
+ }
+
+ s->zbits = (UChar*) (&((UChar*)s->arr2)[s->nblock]);
+
+ /*-- If this is the first block, create the stream header. --*/
+ if (s->blockNo == 1) {
+ BZ2_bsInitWrite ( s );
+ bsPutUChar ( s, BZ_HDR_B );
+ bsPutUChar ( s, BZ_HDR_Z );
+ bsPutUChar ( s, BZ_HDR_h );
+ bsPutUChar ( s, (UChar)(BZ_HDR_0 + s->blockSize100k) );
+ }
+
+ if (s->nblock > 0) {
+
+ bsPutUChar ( s, 0x31 ); bsPutUChar ( s, 0x41 );
+ bsPutUChar ( s, 0x59 ); bsPutUChar ( s, 0x26 );
+ bsPutUChar ( s, 0x53 ); bsPutUChar ( s, 0x59 );
+
+ /*-- Now the block's CRC, so it is in a known place. --*/
+ bsPutUInt32 ( s, s->blockCRC );
+
+ /*--
+ Now a single bit indicating (non-)randomisation.
+ As of version 0.9.5, we use a better sorting algorithm
+ which makes randomisation unnecessary. So always set
+ the randomised bit to 'no'. Of course, the decoder
+ still needs to be able to handle randomised blocks
+ so as to maintain backwards compatibility with
+ older versions of bzip2.
+ --*/
+ bsW(s,1,0);
+
+ bsW ( s, 24, s->origPtr );
+ generateMTFValues ( s );
+ sendMTFValues ( s );
+ }
+
+
+ /*-- If this is the last block, add the stream trailer. --*/
+ if (is_last_block) {
+
+ bsPutUChar ( s, 0x17 ); bsPutUChar ( s, 0x72 );
+ bsPutUChar ( s, 0x45 ); bsPutUChar ( s, 0x38 );
+ bsPutUChar ( s, 0x50 ); bsPutUChar ( s, 0x90 );
+ bsPutUInt32 ( s, s->combinedCRC );
+ if (s->verbosity >= 2)
+ VPrintf1( " final combined CRC = 0x%08x\n ", s->combinedCRC );
+ bsFinishWrite ( s );
+ }
+}
+
+
+/*-------------------------------------------------------------*/
+/*--- end compress.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/crctable.c b/rbutil/bzip2/crctable.c
new file mode 100644
index 0000000000..1fea7e946c
--- /dev/null
+++ b/rbutil/bzip2/crctable.c
@@ -0,0 +1,104 @@
+
+/*-------------------------------------------------------------*/
+/*--- Table for doing CRCs ---*/
+/*--- crctable.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#include "bzlib_private.h"
+
+/*--
+ I think this is an implementation of the AUTODIN-II,
+ Ethernet & FDDI 32-bit CRC standard. Vaguely derived
+ from code by Rob Warnock, in Section 51 of the
+ comp.compression FAQ.
+--*/
+
+UInt32 BZ2_crc32Table[256] = {
+
+ /*-- Ugly, innit? --*/
+
+ 0x00000000L, 0x04c11db7L, 0x09823b6eL, 0x0d4326d9L,
+ 0x130476dcL, 0x17c56b6bL, 0x1a864db2L, 0x1e475005L,
+ 0x2608edb8L, 0x22c9f00fL, 0x2f8ad6d6L, 0x2b4bcb61L,
+ 0x350c9b64L, 0x31cd86d3L, 0x3c8ea00aL, 0x384fbdbdL,
+ 0x4c11db70L, 0x48d0c6c7L, 0x4593e01eL, 0x4152fda9L,
+ 0x5f15adacL, 0x5bd4b01bL, 0x569796c2L, 0x52568b75L,
+ 0x6a1936c8L, 0x6ed82b7fL, 0x639b0da6L, 0x675a1011L,
+ 0x791d4014L, 0x7ddc5da3L, 0x709f7b7aL, 0x745e66cdL,
+ 0x9823b6e0L, 0x9ce2ab57L, 0x91a18d8eL, 0x95609039L,
+ 0x8b27c03cL, 0x8fe6dd8bL, 0x82a5fb52L, 0x8664e6e5L,
+ 0xbe2b5b58L, 0xbaea46efL, 0xb7a96036L, 0xb3687d81L,
+ 0xad2f2d84L, 0xa9ee3033L, 0xa4ad16eaL, 0xa06c0b5dL,
+ 0xd4326d90L, 0xd0f37027L, 0xddb056feL, 0xd9714b49L,
+ 0xc7361b4cL, 0xc3f706fbL, 0xceb42022L, 0xca753d95L,
+ 0xf23a8028L, 0xf6fb9d9fL, 0xfbb8bb46L, 0xff79a6f1L,
+ 0xe13ef6f4L, 0xe5ffeb43L, 0xe8bccd9aL, 0xec7dd02dL,
+ 0x34867077L, 0x30476dc0L, 0x3d044b19L, 0x39c556aeL,
+ 0x278206abL, 0x23431b1cL, 0x2e003dc5L, 0x2ac12072L,
+ 0x128e9dcfL, 0x164f8078L, 0x1b0ca6a1L, 0x1fcdbb16L,
+ 0x018aeb13L, 0x054bf6a4L, 0x0808d07dL, 0x0cc9cdcaL,
+ 0x7897ab07L, 0x7c56b6b0L, 0x71159069L, 0x75d48ddeL,
+ 0x6b93dddbL, 0x6f52c06cL, 0x6211e6b5L, 0x66d0fb02L,
+ 0x5e9f46bfL, 0x5a5e5b08L, 0x571d7dd1L, 0x53dc6066L,
+ 0x4d9b3063L, 0x495a2dd4L, 0x44190b0dL, 0x40d816baL,
+ 0xaca5c697L, 0xa864db20L, 0xa527fdf9L, 0xa1e6e04eL,
+ 0xbfa1b04bL, 0xbb60adfcL, 0xb6238b25L, 0xb2e29692L,
+ 0x8aad2b2fL, 0x8e6c3698L, 0x832f1041L, 0x87ee0df6L,
+ 0x99a95df3L, 0x9d684044L, 0x902b669dL, 0x94ea7b2aL,
+ 0xe0b41de7L, 0xe4750050L, 0xe9362689L, 0xedf73b3eL,
+ 0xf3b06b3bL, 0xf771768cL, 0xfa325055L, 0xfef34de2L,
+ 0xc6bcf05fL, 0xc27dede8L, 0xcf3ecb31L, 0xcbffd686L,
+ 0xd5b88683L, 0xd1799b34L, 0xdc3abdedL, 0xd8fba05aL,
+ 0x690ce0eeL, 0x6dcdfd59L, 0x608edb80L, 0x644fc637L,
+ 0x7a089632L, 0x7ec98b85L, 0x738aad5cL, 0x774bb0ebL,
+ 0x4f040d56L, 0x4bc510e1L, 0x46863638L, 0x42472b8fL,
+ 0x5c007b8aL, 0x58c1663dL, 0x558240e4L, 0x51435d53L,
+ 0x251d3b9eL, 0x21dc2629L, 0x2c9f00f0L, 0x285e1d47L,
+ 0x36194d42L, 0x32d850f5L, 0x3f9b762cL, 0x3b5a6b9bL,
+ 0x0315d626L, 0x07d4cb91L, 0x0a97ed48L, 0x0e56f0ffL,
+ 0x1011a0faL, 0x14d0bd4dL, 0x19939b94L, 0x1d528623L,
+ 0xf12f560eL, 0xf5ee4bb9L, 0xf8ad6d60L, 0xfc6c70d7L,
+ 0xe22b20d2L, 0xe6ea3d65L, 0xeba91bbcL, 0xef68060bL,
+ 0xd727bbb6L, 0xd3e6a601L, 0xdea580d8L, 0xda649d6fL,
+ 0xc423cd6aL, 0xc0e2d0ddL, 0xcda1f604L, 0xc960ebb3L,
+ 0xbd3e8d7eL, 0xb9ff90c9L, 0xb4bcb610L, 0xb07daba7L,
+ 0xae3afba2L, 0xaafbe615L, 0xa7b8c0ccL, 0xa379dd7bL,
+ 0x9b3660c6L, 0x9ff77d71L, 0x92b45ba8L, 0x9675461fL,
+ 0x8832161aL, 0x8cf30badL, 0x81b02d74L, 0x857130c3L,
+ 0x5d8a9099L, 0x594b8d2eL, 0x5408abf7L, 0x50c9b640L,
+ 0x4e8ee645L, 0x4a4ffbf2L, 0x470cdd2bL, 0x43cdc09cL,
+ 0x7b827d21L, 0x7f436096L, 0x7200464fL, 0x76c15bf8L,
+ 0x68860bfdL, 0x6c47164aL, 0x61043093L, 0x65c52d24L,
+ 0x119b4be9L, 0x155a565eL, 0x18197087L, 0x1cd86d30L,
+ 0x029f3d35L, 0x065e2082L, 0x0b1d065bL, 0x0fdc1becL,
+ 0x3793a651L, 0x3352bbe6L, 0x3e119d3fL, 0x3ad08088L,
+ 0x2497d08dL, 0x2056cd3aL, 0x2d15ebe3L, 0x29d4f654L,
+ 0xc5a92679L, 0xc1683bceL, 0xcc2b1d17L, 0xc8ea00a0L,
+ 0xd6ad50a5L, 0xd26c4d12L, 0xdf2f6bcbL, 0xdbee767cL,
+ 0xe3a1cbc1L, 0xe760d676L, 0xea23f0afL, 0xeee2ed18L,
+ 0xf0a5bd1dL, 0xf464a0aaL, 0xf9278673L, 0xfde69bc4L,
+ 0x89b8fd09L, 0x8d79e0beL, 0x803ac667L, 0x84fbdbd0L,
+ 0x9abc8bd5L, 0x9e7d9662L, 0x933eb0bbL, 0x97ffad0cL,
+ 0xafb010b1L, 0xab710d06L, 0xa6322bdfL, 0xa2f33668L,
+ 0xbcb4666dL, 0xb8757bdaL, 0xb5365d03L, 0xb1f740b4L
+};
+
+
+/*-------------------------------------------------------------*/
+/*--- end crctable.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/decompress.c b/rbutil/bzip2/decompress.c
new file mode 100644
index 0000000000..311f5668f9
--- /dev/null
+++ b/rbutil/bzip2/decompress.c
@@ -0,0 +1,646 @@
+
+/*-------------------------------------------------------------*/
+/*--- Decompression machinery ---*/
+/*--- decompress.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#include "bzlib_private.h"
+
+
+/*---------------------------------------------------*/
+static
+void makeMaps_d ( DState* s )
+{
+ Int32 i;
+ s->nInUse = 0;
+ for (i = 0; i < 256; i++)
+ if (s->inUse[i]) {
+ s->seqToUnseq[s->nInUse] = i;
+ s->nInUse++;
+ }
+}
+
+
+/*---------------------------------------------------*/
+#define RETURN(rrr) \
+ { retVal = rrr; goto save_state_and_return; };
+
+#define GET_BITS(lll,vvv,nnn) \
+ case lll: s->state = lll; \
+ while (True) { \
+ if (s->bsLive >= nnn) { \
+ UInt32 v; \
+ v = (s->bsBuff >> \
+ (s->bsLive-nnn)) & ((1 << nnn)-1); \
+ s->bsLive -= nnn; \
+ vvv = v; \
+ break; \
+ } \
+ if (s->strm->avail_in == 0) RETURN(BZ_OK); \
+ s->bsBuff \
+ = (s->bsBuff << 8) | \
+ ((UInt32) \
+ (*((UChar*)(s->strm->next_in)))); \
+ s->bsLive += 8; \
+ s->strm->next_in++; \
+ s->strm->avail_in--; \
+ s->strm->total_in_lo32++; \
+ if (s->strm->total_in_lo32 == 0) \
+ s->strm->total_in_hi32++; \
+ }
+
+#define GET_UCHAR(lll,uuu) \
+ GET_BITS(lll,uuu,8)
+
+#define GET_BIT(lll,uuu) \
+ GET_BITS(lll,uuu,1)
+
+/*---------------------------------------------------*/
+#define GET_MTF_VAL(label1,label2,lval) \
+{ \
+ if (groupPos == 0) { \
+ groupNo++; \
+ if (groupNo >= nSelectors) \
+ RETURN(BZ_DATA_ERROR); \
+ groupPos = BZ_G_SIZE; \
+ gSel = s->selector[groupNo]; \
+ gMinlen = s->minLens[gSel]; \
+ gLimit = &(s->limit[gSel][0]); \
+ gPerm = &(s->perm[gSel][0]); \
+ gBase = &(s->base[gSel][0]); \
+ } \
+ groupPos--; \
+ zn = gMinlen; \
+ GET_BITS(label1, zvec, zn); \
+ while (1) { \
+ if (zn > 20 /* the longest code */) \
+ RETURN(BZ_DATA_ERROR); \
+ if (zvec <= gLimit[zn]) break; \
+ zn++; \
+ GET_BIT(label2, zj); \
+ zvec = (zvec << 1) | zj; \
+ }; \
+ if (zvec - gBase[zn] < 0 \
+ || zvec - gBase[zn] >= BZ_MAX_ALPHA_SIZE) \
+ RETURN(BZ_DATA_ERROR); \
+ lval = gPerm[zvec - gBase[zn]]; \
+}
+
+
+/*---------------------------------------------------*/
+Int32 BZ2_decompress ( DState* s )
+{
+ UChar uc;
+ Int32 retVal;
+ Int32 minLen, maxLen;
+ bz_stream* strm = s->strm;
+
+ /* stuff that needs to be saved/restored */
+ Int32 i;
+ Int32 j;
+ Int32 t;
+ Int32 alphaSize;
+ Int32 nGroups;
+ Int32 nSelectors;
+ Int32 EOB;
+ Int32 groupNo;
+ Int32 groupPos;
+ Int32 nextSym;
+ Int32 nblockMAX;
+ Int32 nblock;
+ Int32 es;
+ Int32 N;
+ Int32 curr;
+ Int32 zt;
+ Int32 zn;
+ Int32 zvec;
+ Int32 zj;
+ Int32 gSel;
+ Int32 gMinlen;
+ Int32* gLimit;
+ Int32* gBase;
+ Int32* gPerm;
+
+ if (s->state == BZ_X_MAGIC_1) {
+ /*initialise the save area*/
+ s->save_i = 0;
+ s->save_j = 0;
+ s->save_t = 0;
+ s->save_alphaSize = 0;
+ s->save_nGroups = 0;
+ s->save_nSelectors = 0;
+ s->save_EOB = 0;
+ s->save_groupNo = 0;
+ s->save_groupPos = 0;
+ s->save_nextSym = 0;
+ s->save_nblockMAX = 0;
+ s->save_nblock = 0;
+ s->save_es = 0;
+ s->save_N = 0;
+ s->save_curr = 0;
+ s->save_zt = 0;
+ s->save_zn = 0;
+ s->save_zvec = 0;
+ s->save_zj = 0;
+ s->save_gSel = 0;
+ s->save_gMinlen = 0;
+ s->save_gLimit = NULL;
+ s->save_gBase = NULL;
+ s->save_gPerm = NULL;
+ }
+
+ /*restore from the save area*/
+ i = s->save_i;
+ j = s->save_j;
+ t = s->save_t;
+ alphaSize = s->save_alphaSize;
+ nGroups = s->save_nGroups;
+ nSelectors = s->save_nSelectors;
+ EOB = s->save_EOB;
+ groupNo = s->save_groupNo;
+ groupPos = s->save_groupPos;
+ nextSym = s->save_nextSym;
+ nblockMAX = s->save_nblockMAX;
+ nblock = s->save_nblock;
+ es = s->save_es;
+ N = s->save_N;
+ curr = s->save_curr;
+ zt = s->save_zt;
+ zn = s->save_zn;
+ zvec = s->save_zvec;
+ zj = s->save_zj;
+ gSel = s->save_gSel;
+ gMinlen = s->save_gMinlen;
+ gLimit = s->save_gLimit;
+ gBase = s->save_gBase;
+ gPerm = s->save_gPerm;
+
+ retVal = BZ_OK;
+
+ switch (s->state) {
+
+ GET_UCHAR(BZ_X_MAGIC_1, uc);
+ if (uc != BZ_HDR_B) RETURN(BZ_DATA_ERROR_MAGIC);
+
+ GET_UCHAR(BZ_X_MAGIC_2, uc);
+ if (uc != BZ_HDR_Z) RETURN(BZ_DATA_ERROR_MAGIC);
+
+ GET_UCHAR(BZ_X_MAGIC_3, uc)
+ if (uc != BZ_HDR_h) RETURN(BZ_DATA_ERROR_MAGIC);
+
+ GET_BITS(BZ_X_MAGIC_4, s->blockSize100k, 8)
+ if (s->blockSize100k < (BZ_HDR_0 + 1) ||
+ s->blockSize100k > (BZ_HDR_0 + 9)) RETURN(BZ_DATA_ERROR_MAGIC);
+ s->blockSize100k -= BZ_HDR_0;
+
+ if (s->smallDecompress) {
+ s->ll16 = BZALLOC( s->blockSize100k * 100000 * sizeof(UInt16) );
+ s->ll4 = BZALLOC(
+ ((1 + s->blockSize100k * 100000) >> 1) * sizeof(UChar)
+ );
+ if (s->ll16 == NULL || s->ll4 == NULL) RETURN(BZ_MEM_ERROR);
+ } else {
+ s->tt = BZALLOC( s->blockSize100k * 100000 * sizeof(Int32) );
+ if (s->tt == NULL) RETURN(BZ_MEM_ERROR);
+ }
+
+ GET_UCHAR(BZ_X_BLKHDR_1, uc);
+
+ if (uc == 0x17) goto endhdr_2;
+ if (uc != 0x31) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_BLKHDR_2, uc);
+ if (uc != 0x41) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_BLKHDR_3, uc);
+ if (uc != 0x59) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_BLKHDR_4, uc);
+ if (uc != 0x26) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_BLKHDR_5, uc);
+ if (uc != 0x53) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_BLKHDR_6, uc);
+ if (uc != 0x59) RETURN(BZ_DATA_ERROR);
+
+ s->currBlockNo++;
+ if (s->verbosity >= 2)
+ VPrintf1 ( "\n [%d: huff+mtf ", s->currBlockNo );
+
+ s->storedBlockCRC = 0;
+ GET_UCHAR(BZ_X_BCRC_1, uc);
+ s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_BCRC_2, uc);
+ s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_BCRC_3, uc);
+ s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_BCRC_4, uc);
+ s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc);
+
+ GET_BITS(BZ_X_RANDBIT, s->blockRandomised, 1);
+
+ s->origPtr = 0;
+ GET_UCHAR(BZ_X_ORIGPTR_1, uc);
+ s->origPtr = (s->origPtr << 8) | ((Int32)uc);
+ GET_UCHAR(BZ_X_ORIGPTR_2, uc);
+ s->origPtr = (s->origPtr << 8) | ((Int32)uc);
+ GET_UCHAR(BZ_X_ORIGPTR_3, uc);
+ s->origPtr = (s->origPtr << 8) | ((Int32)uc);
+
+ if (s->origPtr < 0)
+ RETURN(BZ_DATA_ERROR);
+ if (s->origPtr > 10 + 100000*s->blockSize100k)
+ RETURN(BZ_DATA_ERROR);
+
+ /*--- Receive the mapping table ---*/
+ for (i = 0; i < 16; i++) {
+ GET_BIT(BZ_X_MAPPING_1, uc);
+ if (uc == 1)
+ s->inUse16[i] = True; else
+ s->inUse16[i] = False;
+ }
+
+ for (i = 0; i < 256; i++) s->inUse[i] = False;
+
+ for (i = 0; i < 16; i++)
+ if (s->inUse16[i])
+ for (j = 0; j < 16; j++) {
+ GET_BIT(BZ_X_MAPPING_2, uc);
+ if (uc == 1) s->inUse[i * 16 + j] = True;
+ }
+ makeMaps_d ( s );
+ if (s->nInUse == 0) RETURN(BZ_DATA_ERROR);
+ alphaSize = s->nInUse+2;
+
+ /*--- Now the selectors ---*/
+ GET_BITS(BZ_X_SELECTOR_1, nGroups, 3);
+ if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR);
+ GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15);
+ if (nSelectors < 1) RETURN(BZ_DATA_ERROR);
+ for (i = 0; i < nSelectors; i++) {
+ j = 0;
+ while (True) {
+ GET_BIT(BZ_X_SELECTOR_3, uc);
+ if (uc == 0) break;
+ j++;
+ if (j >= nGroups) RETURN(BZ_DATA_ERROR);
+ }
+ s->selectorMtf[i] = j;
+ }
+
+ /*--- Undo the MTF values for the selectors. ---*/
+ {
+ UChar pos[BZ_N_GROUPS], tmp, v;
+ for (v = 0; v < nGroups; v++) pos[v] = v;
+
+ for (i = 0; i < nSelectors; i++) {
+ v = s->selectorMtf[i];
+ tmp = pos[v];
+ while (v > 0) { pos[v] = pos[v-1]; v--; }
+ pos[0] = tmp;
+ s->selector[i] = tmp;
+ }
+ }
+
+ /*--- Now the coding tables ---*/
+ for (t = 0; t < nGroups; t++) {
+ GET_BITS(BZ_X_CODING_1, curr, 5);
+ for (i = 0; i < alphaSize; i++) {
+ while (True) {
+ if (curr < 1 || curr > 20) RETURN(BZ_DATA_ERROR);
+ GET_BIT(BZ_X_CODING_2, uc);
+ if (uc == 0) break;
+ GET_BIT(BZ_X_CODING_3, uc);
+ if (uc == 0) curr++; else curr--;
+ }
+ s->len[t][i] = curr;
+ }
+ }
+
+ /*--- Create the Huffman decoding tables ---*/
+ for (t = 0; t < nGroups; t++) {
+ minLen = 32;
+ maxLen = 0;
+ for (i = 0; i < alphaSize; i++) {
+ if (s->len[t][i] > maxLen) maxLen = s->len[t][i];
+ if (s->len[t][i] < minLen) minLen = s->len[t][i];
+ }
+ BZ2_hbCreateDecodeTables (
+ &(s->limit[t][0]),
+ &(s->base[t][0]),
+ &(s->perm[t][0]),
+ &(s->len[t][0]),
+ minLen, maxLen, alphaSize
+ );
+ s->minLens[t] = minLen;
+ }
+
+ /*--- Now the MTF values ---*/
+
+ EOB = s->nInUse+1;
+ nblockMAX = 100000 * s->blockSize100k;
+ groupNo = -1;
+ groupPos = 0;
+
+ for (i = 0; i <= 255; i++) s->unzftab[i] = 0;
+
+ /*-- MTF init --*/
+ {
+ Int32 ii, jj, kk;
+ kk = MTFA_SIZE-1;
+ for (ii = 256 / MTFL_SIZE - 1; ii >= 0; ii--) {
+ for (jj = MTFL_SIZE-1; jj >= 0; jj--) {
+ s->mtfa[kk] = (UChar)(ii * MTFL_SIZE + jj);
+ kk--;
+ }
+ s->mtfbase[ii] = kk + 1;
+ }
+ }
+ /*-- end MTF init --*/
+
+ nblock = 0;
+ GET_MTF_VAL(BZ_X_MTF_1, BZ_X_MTF_2, nextSym);
+
+ while (True) {
+
+ if (nextSym == EOB) break;
+
+ if (nextSym == BZ_RUNA || nextSym == BZ_RUNB) {
+
+ es = -1;
+ N = 1;
+ do {
+ /* Check that N doesn't get too big, so that es doesn't
+ go negative. The maximum value that can be
+ RUNA/RUNB encoded is equal to the block size (post
+ the initial RLE), viz, 900k, so bounding N at 2
+ million should guard against overflow without
+ rejecting any legitimate inputs. */
+ if (N >= 2*1024*1024) RETURN(BZ_DATA_ERROR);
+ if (nextSym == BZ_RUNA) es = es + (0+1) * N; else
+ if (nextSym == BZ_RUNB) es = es + (1+1) * N;
+ N = N * 2;
+ GET_MTF_VAL(BZ_X_MTF_3, BZ_X_MTF_4, nextSym);
+ }
+ while (nextSym == BZ_RUNA || nextSym == BZ_RUNB);
+
+ es++;
+ uc = s->seqToUnseq[ s->mtfa[s->mtfbase[0]] ];
+ s->unzftab[uc] += es;
+
+ if (s->smallDecompress)
+ while (es > 0) {
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+ s->ll16[nblock] = (UInt16)uc;
+ nblock++;
+ es--;
+ }
+ else
+ while (es > 0) {
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+ s->tt[nblock] = (UInt32)uc;
+ nblock++;
+ es--;
+ };
+
+ continue;
+
+ } else {
+
+ if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR);
+
+ /*-- uc = MTF ( nextSym-1 ) --*/
+ {
+ Int32 ii, jj, kk, pp, lno, off;
+ UInt32 nn;
+ nn = (UInt32)(nextSym - 1);
+
+ if (nn < MTFL_SIZE) {
+ /* avoid general-case expense */
+ pp = s->mtfbase[0];
+ uc = s->mtfa[pp+nn];
+ while (nn > 3) {
+ Int32 z = pp+nn;
+ s->mtfa[(z) ] = s->mtfa[(z)-1];
+ s->mtfa[(z)-1] = s->mtfa[(z)-2];
+ s->mtfa[(z)-2] = s->mtfa[(z)-3];
+ s->mtfa[(z)-3] = s->mtfa[(z)-4];
+ nn -= 4;
+ }
+ while (nn > 0) {
+ s->mtfa[(pp+nn)] = s->mtfa[(pp+nn)-1]; nn--;
+ };
+ s->mtfa[pp] = uc;
+ } else {
+ /* general case */
+ lno = nn / MTFL_SIZE;
+ off = nn % MTFL_SIZE;
+ pp = s->mtfbase[lno] + off;
+ uc = s->mtfa[pp];
+ while (pp > s->mtfbase[lno]) {
+ s->mtfa[pp] = s->mtfa[pp-1]; pp--;
+ };
+ s->mtfbase[lno]++;
+ while (lno > 0) {
+ s->mtfbase[lno]--;
+ s->mtfa[s->mtfbase[lno]]
+ = s->mtfa[s->mtfbase[lno-1] + MTFL_SIZE - 1];
+ lno--;
+ }
+ s->mtfbase[0]--;
+ s->mtfa[s->mtfbase[0]] = uc;
+ if (s->mtfbase[0] == 0) {
+ kk = MTFA_SIZE-1;
+ for (ii = 256 / MTFL_SIZE-1; ii >= 0; ii--) {
+ for (jj = MTFL_SIZE-1; jj >= 0; jj--) {
+ s->mtfa[kk] = s->mtfa[s->mtfbase[ii] + jj];
+ kk--;
+ }
+ s->mtfbase[ii] = kk + 1;
+ }
+ }
+ }
+ }
+ /*-- end uc = MTF ( nextSym-1 ) --*/
+
+ s->unzftab[s->seqToUnseq[uc]]++;
+ if (s->smallDecompress)
+ s->ll16[nblock] = (UInt16)(s->seqToUnseq[uc]); else
+ s->tt[nblock] = (UInt32)(s->seqToUnseq[uc]);
+ nblock++;
+
+ GET_MTF_VAL(BZ_X_MTF_5, BZ_X_MTF_6, nextSym);
+ continue;
+ }
+ }
+
+ /* Now we know what nblock is, we can do a better sanity
+ check on s->origPtr.
+ */
+ if (s->origPtr < 0 || s->origPtr >= nblock)
+ RETURN(BZ_DATA_ERROR);
+
+ /*-- Set up cftab to facilitate generation of T^(-1) --*/
+ /* Check: unzftab entries in range. */
+ for (i = 0; i <= 255; i++) {
+ if (s->unzftab[i] < 0 || s->unzftab[i] > nblock)
+ RETURN(BZ_DATA_ERROR);
+ }
+ /* Actually generate cftab. */
+ s->cftab[0] = 0;
+ for (i = 1; i <= 256; i++) s->cftab[i] = s->unzftab[i-1];
+ for (i = 1; i <= 256; i++) s->cftab[i] += s->cftab[i-1];
+ /* Check: cftab entries in range. */
+ for (i = 0; i <= 256; i++) {
+ if (s->cftab[i] < 0 || s->cftab[i] > nblock) {
+ /* s->cftab[i] can legitimately be == nblock */
+ RETURN(BZ_DATA_ERROR);
+ }
+ }
+ /* Check: cftab entries non-descending. */
+ for (i = 1; i <= 256; i++) {
+ if (s->cftab[i-1] > s->cftab[i]) {
+ RETURN(BZ_DATA_ERROR);
+ }
+ }
+
+ s->state_out_len = 0;
+ s->state_out_ch = 0;
+ BZ_INITIALISE_CRC ( s->calculatedBlockCRC );
+ s->state = BZ_X_OUTPUT;
+ if (s->verbosity >= 2) VPrintf0 ( "rt+rld" );
+
+ if (s->smallDecompress) {
+
+ /*-- Make a copy of cftab, used in generation of T --*/
+ for (i = 0; i <= 256; i++) s->cftabCopy[i] = s->cftab[i];
+
+ /*-- compute the T vector --*/
+ for (i = 0; i < nblock; i++) {
+ uc = (UChar)(s->ll16[i]);
+ SET_LL(i, s->cftabCopy[uc]);
+ s->cftabCopy[uc]++;
+ }
+
+ /*-- Compute T^(-1) by pointer reversal on T --*/
+ i = s->origPtr;
+ j = GET_LL(i);
+ do {
+ Int32 tmp = GET_LL(j);
+ SET_LL(j, i);
+ i = j;
+ j = tmp;
+ }
+ while (i != s->origPtr);
+
+ s->tPos = s->origPtr;
+ s->nblock_used = 0;
+ if (s->blockRandomised) {
+ BZ_RAND_INIT_MASK;
+ BZ_GET_SMALL(s->k0); s->nblock_used++;
+ BZ_RAND_UPD_MASK; s->k0 ^= BZ_RAND_MASK;
+ } else {
+ BZ_GET_SMALL(s->k0); s->nblock_used++;
+ }
+
+ } else {
+
+ /*-- compute the T^(-1) vector --*/
+ for (i = 0; i < nblock; i++) {
+ uc = (UChar)(s->tt[i] & 0xff);
+ s->tt[s->cftab[uc]] |= (i << 8);
+ s->cftab[uc]++;
+ }
+
+ s->tPos = s->tt[s->origPtr] >> 8;
+ s->nblock_used = 0;
+ if (s->blockRandomised) {
+ BZ_RAND_INIT_MASK;
+ BZ_GET_FAST(s->k0); s->nblock_used++;
+ BZ_RAND_UPD_MASK; s->k0 ^= BZ_RAND_MASK;
+ } else {
+ BZ_GET_FAST(s->k0); s->nblock_used++;
+ }
+
+ }
+
+ RETURN(BZ_OK);
+
+
+
+ endhdr_2:
+
+ GET_UCHAR(BZ_X_ENDHDR_2, uc);
+ if (uc != 0x72) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_ENDHDR_3, uc);
+ if (uc != 0x45) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_ENDHDR_4, uc);
+ if (uc != 0x38) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_ENDHDR_5, uc);
+ if (uc != 0x50) RETURN(BZ_DATA_ERROR);
+ GET_UCHAR(BZ_X_ENDHDR_6, uc);
+ if (uc != 0x90) RETURN(BZ_DATA_ERROR);
+
+ s->storedCombinedCRC = 0;
+ GET_UCHAR(BZ_X_CCRC_1, uc);
+ s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_CCRC_2, uc);
+ s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_CCRC_3, uc);
+ s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
+ GET_UCHAR(BZ_X_CCRC_4, uc);
+ s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc);
+
+ s->state = BZ_X_IDLE;
+ RETURN(BZ_STREAM_END);
+
+ default: AssertH ( False, 4001 );
+ }
+
+ AssertH ( False, 4002 );
+
+ save_state_and_return:
+
+ s->save_i = i;
+ s->save_j = j;
+ s->save_t = t;
+ s->save_alphaSize = alphaSize;
+ s->save_nGroups = nGroups;
+ s->save_nSelectors = nSelectors;
+ s->save_EOB = EOB;
+ s->save_groupNo = groupNo;
+ s->save_groupPos = groupPos;
+ s->save_nextSym = nextSym;
+ s->save_nblockMAX = nblockMAX;
+ s->save_nblock = nblock;
+ s->save_es = es;
+ s->save_N = N;
+ s->save_curr = curr;
+ s->save_zt = zt;
+ s->save_zn = zn;
+ s->save_zvec = zvec;
+ s->save_zj = zj;
+ s->save_gSel = gSel;
+ s->save_gMinlen = gMinlen;
+ s->save_gLimit = gLimit;
+ s->save_gBase = gBase;
+ s->save_gPerm = gPerm;
+
+ return retVal;
+}
+
+
+/*-------------------------------------------------------------*/
+/*--- end decompress.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/huffman.c b/rbutil/bzip2/huffman.c
new file mode 100644
index 0000000000..2283fdbc5a
--- /dev/null
+++ b/rbutil/bzip2/huffman.c
@@ -0,0 +1,205 @@
+
+/*-------------------------------------------------------------*/
+/*--- Huffman coding low-level stuff ---*/
+/*--- huffman.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#include "bzlib_private.h"
+
+/*---------------------------------------------------*/
+#define WEIGHTOF(zz0) ((zz0) & 0xffffff00)
+#define DEPTHOF(zz1) ((zz1) & 0x000000ff)
+#define MYMAX(zz2,zz3) ((zz2) > (zz3) ? (zz2) : (zz3))
+
+#define ADDWEIGHTS(zw1,zw2) \
+ (WEIGHTOF(zw1)+WEIGHTOF(zw2)) | \
+ (1 + MYMAX(DEPTHOF(zw1),DEPTHOF(zw2)))
+
+#define UPHEAP(z) \
+{ \
+ Int32 zz, tmp; \
+ zz = z; tmp = heap[zz]; \
+ while (weight[tmp] < weight[heap[zz >> 1]]) { \
+ heap[zz] = heap[zz >> 1]; \
+ zz >>= 1; \
+ } \
+ heap[zz] = tmp; \
+}
+
+#define DOWNHEAP(z) \
+{ \
+ Int32 zz, yy, tmp; \
+ zz = z; tmp = heap[zz]; \
+ while (True) { \
+ yy = zz << 1; \
+ if (yy > nHeap) break; \
+ if (yy < nHeap && \
+ weight[heap[yy+1]] < weight[heap[yy]]) \
+ yy++; \
+ if (weight[tmp] < weight[heap[yy]]) break; \
+ heap[zz] = heap[yy]; \
+ zz = yy; \
+ } \
+ heap[zz] = tmp; \
+}
+
+
+/*---------------------------------------------------*/
+void BZ2_hbMakeCodeLengths ( UChar *len,
+ Int32 *freq,
+ Int32 alphaSize,
+ Int32 maxLen )
+{
+ /*--
+ Nodes and heap entries run from 1. Entry 0
+ for both the heap and nodes is a sentinel.
+ --*/
+ Int32 nNodes, nHeap, n1, n2, i, j, k;
+ Bool tooLong;
+
+ Int32 heap [ BZ_MAX_ALPHA_SIZE + 2 ];
+ Int32 weight [ BZ_MAX_ALPHA_SIZE * 2 ];
+ Int32 parent [ BZ_MAX_ALPHA_SIZE * 2 ];
+
+ for (i = 0; i < alphaSize; i++)
+ weight[i+1] = (freq[i] == 0 ? 1 : freq[i]) << 8;
+
+ while (True) {
+
+ nNodes = alphaSize;
+ nHeap = 0;
+
+ heap[0] = 0;
+ weight[0] = 0;
+ parent[0] = -2;
+
+ for (i = 1; i <= alphaSize; i++) {
+ parent[i] = -1;
+ nHeap++;
+ heap[nHeap] = i;
+ UPHEAP(nHeap);
+ }
+
+ AssertH( nHeap < (BZ_MAX_ALPHA_SIZE+2), 2001 );
+
+ while (nHeap > 1) {
+ n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1);
+ n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1);
+ nNodes++;
+ parent[n1] = parent[n2] = nNodes;
+ weight[nNodes] = ADDWEIGHTS(weight[n1], weight[n2]);
+ parent[nNodes] = -1;
+ nHeap++;
+ heap[nHeap] = nNodes;
+ UPHEAP(nHeap);
+ }
+
+ AssertH( nNodes < (BZ_MAX_ALPHA_SIZE * 2), 2002 );
+
+ tooLong = False;
+ for (i = 1; i <= alphaSize; i++) {
+ j = 0;
+ k = i;
+ while (parent[k] >= 0) { k = parent[k]; j++; }
+ len[i-1] = j;
+ if (j > maxLen) tooLong = True;
+ }
+
+ if (! tooLong) break;
+
+ /* 17 Oct 04: keep-going condition for the following loop used
+ to be 'i < alphaSize', which missed the last element,
+ theoretically leading to the possibility of the compressor
+ looping. However, this count-scaling step is only needed if
+ one of the generated Huffman code words is longer than
+ maxLen, which up to and including version 1.0.2 was 20 bits,
+ which is extremely unlikely. In version 1.0.3 maxLen was
+ changed to 17 bits, which has minimal effect on compression
+ ratio, but does mean this scaling step is used from time to
+ time, enough to verify that it works.
+
+ This means that bzip2-1.0.3 and later will only produce
+ Huffman codes with a maximum length of 17 bits. However, in
+ order to preserve backwards compatibility with bitstreams
+ produced by versions pre-1.0.3, the decompressor must still
+ handle lengths of up to 20. */
+
+ for (i = 1; i <= alphaSize; i++) {
+ j = weight[i] >> 8;
+ j = 1 + (j / 2);
+ weight[i] = j << 8;
+ }
+ }
+}
+
+
+/*---------------------------------------------------*/
+void BZ2_hbAssignCodes ( Int32 *code,
+ UChar *length,
+ Int32 minLen,
+ Int32 maxLen,
+ Int32 alphaSize )
+{
+ Int32 n, vec, i;
+
+ vec = 0;
+ for (n = minLen; n <= maxLen; n++) {
+ for (i = 0; i < alphaSize; i++)
+ if (length[i] == n) { code[i] = vec; vec++; };
+ vec <<= 1;
+ }
+}
+
+
+/*---------------------------------------------------*/
+void BZ2_hbCreateDecodeTables ( Int32 *limit,
+ Int32 *base,
+ Int32 *perm,
+ UChar *length,
+ Int32 minLen,
+ Int32 maxLen,
+ Int32 alphaSize )
+{
+ Int32 pp, i, j, vec;
+
+ pp = 0;
+ for (i = minLen; i <= maxLen; i++)
+ for (j = 0; j < alphaSize; j++)
+ if (length[j] == i) { perm[pp] = j; pp++; };
+
+ for (i = 0; i < BZ_MAX_CODE_LEN; i++) base[i] = 0;
+ for (i = 0; i < alphaSize; i++) base[length[i]+1]++;
+
+ for (i = 1; i < BZ_MAX_CODE_LEN; i++) base[i] += base[i-1];
+
+ for (i = 0; i < BZ_MAX_CODE_LEN; i++) limit[i] = 0;
+ vec = 0;
+
+ for (i = minLen; i <= maxLen; i++) {
+ vec += (base[i+1] - base[i]);
+ limit[i] = vec-1;
+ vec <<= 1;
+ }
+ for (i = minLen + 1; i <= maxLen; i++)
+ base[i] = ((limit[i-1] + 1) << 1) - base[i];
+}
+
+
+/*-------------------------------------------------------------*/
+/*--- end huffman.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/bzip2/randtable.c b/rbutil/bzip2/randtable.c
new file mode 100644
index 0000000000..6d62459906
--- /dev/null
+++ b/rbutil/bzip2/randtable.c
@@ -0,0 +1,84 @@
+
+/*-------------------------------------------------------------*/
+/*--- Table for randomising repetitive blocks ---*/
+/*--- randtable.c ---*/
+/*-------------------------------------------------------------*/
+
+/* ------------------------------------------------------------------
+ This file is part of bzip2/libbzip2, a program and library for
+ lossless, block-sorting data compression.
+
+ bzip2/libbzip2 version 1.0.6 of 6 September 2010
+ Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
+
+ Please read the WARNING, DISCLAIMER and PATENTS sections in the
+ README file.
+
+ This program is released under the terms of the license contained
+ in the file LICENSE.
+ ------------------------------------------------------------------ */
+
+
+#include "bzlib_private.h"
+
+
+/*---------------------------------------------*/
+Int32 BZ2_rNums[512] = {
+ 619, 720, 127, 481, 931, 816, 813, 233, 566, 247,
+ 985, 724, 205, 454, 863, 491, 741, 242, 949, 214,
+ 733, 859, 335, 708, 621, 574, 73, 654, 730, 472,
+ 419, 436, 278, 496, 867, 210, 399, 680, 480, 51,
+ 878, 465, 811, 169, 869, 675, 611, 697, 867, 561,
+ 862, 687, 507, 283, 482, 129, 807, 591, 733, 623,
+ 150, 238, 59, 379, 684, 877, 625, 169, 643, 105,
+ 170, 607, 520, 932, 727, 476, 693, 425, 174, 647,
+ 73, 122, 335, 530, 442, 853, 695, 249, 445, 515,
+ 909, 545, 703, 919, 874, 474, 882, 500, 594, 612,
+ 641, 801, 220, 162, 819, 984, 589, 513, 495, 799,
+ 161, 604, 958, 533, 221, 400, 386, 867, 600, 782,
+ 382, 596, 414, 171, 516, 375, 682, 485, 911, 276,
+ 98, 553, 163, 354, 666, 933, 424, 341, 533, 870,
+ 227, 730, 475, 186, 263, 647, 537, 686, 600, 224,
+ 469, 68, 770, 919, 190, 373, 294, 822, 808, 206,
+ 184, 943, 795, 384, 383, 461, 404, 758, 839, 887,
+ 715, 67, 618, 276, 204, 918, 873, 777, 604, 560,
+ 951, 160, 578, 722, 79, 804, 96, 409, 713, 940,
+ 652, 934, 970, 447, 318, 353, 859, 672, 112, 785,
+ 645, 863, 803, 350, 139, 93, 354, 99, 820, 908,
+ 609, 772, 154, 274, 580, 184, 79, 626, 630, 742,
+ 653, 282, 762, 623, 680, 81, 927, 626, 789, 125,
+ 411, 521, 938, 300, 821, 78, 343, 175, 128, 250,
+ 170, 774, 972, 275, 999, 639, 495, 78, 352, 126,
+ 857, 956, 358, 619, 580, 124, 737, 594, 701, 612,
+ 669, 112, 134, 694, 363, 992, 809, 743, 168, 974,
+ 944, 375, 748, 52, 600, 747, 642, 182, 862, 81,
+ 344, 805, 988, 739, 511, 655, 814, 334, 249, 515,
+ 897, 955, 664, 981, 649, 113, 974, 459, 893, 228,
+ 433, 837, 553, 268, 926, 240, 102, 654, 459, 51,
+ 686, 754, 806, 760, 493, 403, 415, 394, 687, 700,
+ 946, 670, 656, 610, 738, 392, 760, 799, 887, 653,
+ 978, 321, 576, 617, 626, 502, 894, 679, 243, 440,
+ 680, 879, 194, 572, 640, 724, 926, 56, 204, 700,
+ 707, 151, 457, 449, 797, 195, 791, 558, 945, 679,
+ 297, 59, 87, 824, 713, 663, 412, 693, 342, 606,
+ 134, 108, 571, 364, 631, 212, 174, 643, 304, 329,
+ 343, 97, 430, 751, 497, 314, 983, 374, 822, 928,
+ 140, 206, 73, 263, 980, 736, 876, 478, 430, 305,
+ 170, 514, 364, 692, 829, 82, 855, 953, 676, 246,
+ 369, 970, 294, 750, 807, 827, 150, 790, 288, 923,
+ 804, 378, 215, 828, 592, 281, 565, 555, 710, 82,
+ 896, 831, 547, 261, 524, 462, 293, 465, 502, 56,
+ 661, 821, 976, 991, 658, 869, 905, 758, 745, 193,
+ 768, 550, 608, 933, 378, 286, 215, 979, 792, 961,
+ 61, 688, 793, 644, 986, 403, 106, 366, 905, 644,
+ 372, 567, 466, 434, 645, 210, 389, 550, 919, 135,
+ 780, 773, 635, 389, 707, 100, 626, 958, 165, 504,
+ 920, 176, 193, 713, 857, 265, 203, 50, 668, 108,
+ 645, 990, 626, 197, 510, 357, 358, 850, 858, 364,
+ 936, 638
+};
+
+
+/*-------------------------------------------------------------*/
+/*--- end randtable.c ---*/
+/*-------------------------------------------------------------*/
diff --git a/rbutil/libtools.make b/rbutil/libtools.make
index 5534d5b00c..fdaaa81d34 100644
--- a/rbutil/libtools.make
+++ b/rbutil/libtools.make
@@ -109,6 +109,11 @@ $(LIBUCL): $(OBJDIR)$(LIBUCL)
$(OBJDIR)$(LIBUCL):
$(SILENT)$(MAKE) -C $(TOP)/../tools/ucl/src TARGET_DIR=$(OBJDIR) CC=$(CC) $@
+LIBBZIP2 = libbzip2.a
+$(LIBBZIP2): $(OBJDIR)$(LIBBZIP2)
+$(OBJDIR)$(LIBBZIP2):
+ $(SILENT)$(MAKE) -C $(TOP)/bzip2 TARGET_DIR=$(OBJDIR) CC=$(CC) $@
+
# building the standalone executable
$(BINARY): $(OBJS) $(EXTRADEPS) $(addprefix $(OBJDIR),$(EXTRALIBOBJS)) $(TARGET_DIR)lib$(OUTPUT).a
$(info LD $@)
diff --git a/rbutil/rbutilqt/Makefile.libs b/rbutil/rbutilqt/Makefile.libs
index fc304fef14..24fe85e269 100644
--- a/rbutil/rbutilqt/Makefile.libs
+++ b/rbutil/rbutilqt/Makefile.libs
@@ -32,7 +32,7 @@ export CC=$(EXTRALIBS_CC)
export CXX=$(EXTRALIBS_CXX)
export AR=$(EXTRALIBS_AR)
-libs: librbspeex libucl libipodpatcher libsansapatcher libmkamsboot libmktccboot libmkmpioboot libchinachippatcher libmkimxboot libmks5lboot
+libs: librbspeex libucl libipodpatcher libsansapatcher libmkamsboot libmktccboot libmkmpioboot libchinachippatcher libmkimxboot libmks5lboot libbzip2 libbspatch
# To support cross compiles, we explicitly pass the CC flag below for
# all tools which override CC or CXX in their makefiles. CXX is only
@@ -67,3 +67,9 @@ libmkimxboot:
libmks5lboot:
$(SILENT)$(MAKE) -C $(RBBASE_DIR)/rbutil/mks5lboot BUILD_DIR=$(BUILD_DIR)/mks5lboot libmks5lboot.a CC=$(CC)
+
+libbzip2:
+ $(SILENT)$(MAKE) -C $(RBBASE_DIR)/rbutil/bzip2 BUILD_DIR=$(BUILD_DIR)/bzip2 libbzip2.a CC=$(CC)
+
+libbspatch:
+ $(SILENT)$(MAKE) -C $(RBBASE_DIR)/rbutil/bspatch BUILD_DIR=$(BUILD_DIR)/bspatch libbspatch.a CC=$(CC)
diff --git a/rbutil/rbutilqt/rbutilqt.pro b/rbutil/rbutilqt/rbutilqt.pro
index d5caa77b89..fb7b9fcc5f 100644
--- a/rbutil/rbutilqt/rbutilqt.pro
+++ b/rbutil/rbutilqt/rbutilqt.pro
@@ -89,7 +89,7 @@ extralibs.commands = $$SILENT \
# Note: order is important for RBLIBS! The libs are appended to the linker
# flags in this order, put libucl at the end.
RBLIBS = rbspeex ipodpatcher sansapatcher mkamsboot mktccboot \
- mkmpioboot chinachippatcher mkimxboot mks5lboot ucl
+ mkmpioboot chinachippatcher mkimxboot mks5lboot bspatch bzip2 ucl
!win32-msvc* {
QMAKE_EXTRA_TARGETS += extralibs
PRE_TARGETDEPS += extralibs