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authorDenys Vlasenko <vda.linux@googlemail.com>2010-11-03 02:38:31 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2010-11-03 02:38:31 +0100
commit833d4e7f84f59099ee66eabfa3457ebb7d37eaa8 (patch)
tree3be84e1049707ce8077291065fe3689497c69b9c /archival/bz/bzlib_private.h
parent5e9934028aa030312a1a2e2e32d5ceade8672beb (diff)
downloadbusybox-833d4e7f84f59099ee66eabfa3457ebb7d37eaa8.tar.gz
rename archival/libunarchive -> archival/libarchive; move bz/ into it
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/bz/bzlib_private.h')
-rw-r--r--archival/bz/bzlib_private.h219
1 files changed, 0 insertions, 219 deletions
diff --git a/archival/bz/bzlib_private.h b/archival/bz/bzlib_private.h
deleted file mode 100644
index 6430ce407..000000000
--- a/archival/bz/bzlib_private.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * bzip2 is written by Julian Seward <jseward@bzip.org>.
- * Adapted for busybox by Denys Vlasenko <vda.linux@googlemail.com>.
- * See README and LICENSE files in this directory for more information.
- */
-
-/*-------------------------------------------------------------*/
-/*--- 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 1.0.4 of 20 December 2006
-Copyright (C) 1996-2006 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.h" */
-
-/*-- General stuff. --*/
-
-typedef unsigned char Bool;
-
-#define True ((Bool)1)
-#define False ((Bool)0)
-
-#if BZ_LIGHT_DEBUG
-static void bz_assert_fail(int errcode) NORETURN;
-#define AssertH(cond, errcode) \
-do { \
- if (!(cond)) \
- bz_assert_fail(errcode); \
-} while (0)
-#else
-#define AssertH(cond, msg) do { } while (0)
-#endif
-
-#if BZ_DEBUG
-#define AssertD(cond, msg) \
-do { \
- if (!(cond)) \
- bb_error_msg_and_die("(debug build): internal error %s", msg); \
-} while (0)
-#else
-#define AssertD(cond, msg) do { } while (0)
-#endif
-
-
-/*-- 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' */
-
-#define BZ_HDR_BZh0 0x425a6830
-
-/*-- 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 doing CRCs. --*/
-
-#define BZ_INITIALISE_CRC(crcVar) \
-{ \
- crcVar = 0xffffffffL; \
-}
-
-#define BZ_FINALISE_CRC(crcVar) \
-{ \
- crcVar = ~(crcVar); \
-}
-
-#define BZ_UPDATE_CRC(s, crcVar, cha) \
-{ \
- crcVar = (crcVar << 8) ^ s->crc32table[(crcVar >> 24) ^ ((uint8_t)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 EState {
- /* pointer back to the struct bz_stream */
- bz_stream *strm;
-
- /* mode this stream is in, and whether inputting */
- /* or outputting data */
- int32_t mode;
- int32_t state;
-
- /* remembers avail_in when flush/finish requested */
-/* bbox: not needed, strm->avail_in always has the same value */
-/* commented out with '//#' throughout the code */
- /* uint32_t avail_in_expect; */
-
- /* for doing the block sorting */
- int32_t origPtr;
- uint32_t *arr1;
- uint32_t *arr2;
- uint32_t *ftab;
-
- /* aliases for arr1 and arr2 */
- uint32_t *ptr;
- uint8_t *block;
- uint16_t *mtfv;
- uint8_t *zbits;
-
- /* guess what */
- uint32_t *crc32table;
-
- /* run-length-encoding of the input */
- uint32_t state_in_ch;
- int32_t state_in_len;
-
- /* input and output limits and current posns */
- int32_t nblock;
- int32_t nblockMAX;
- int32_t numZ;
- int32_t state_out_pos;
-
- /* the buffer for bit stream creation */
- uint32_t bsBuff;
- int32_t bsLive;
-
- /* block and combined CRCs */
- uint32_t blockCRC;
- uint32_t combinedCRC;
-
- /* misc administratium */
- int32_t blockNo;
- int32_t blockSize100k;
-
- /* stuff for coding the MTF values */
- int32_t nMTF;
-
- /* map of bytes used in block */
- int32_t nInUse;
- Bool inUse[256] ALIGNED(sizeof(long));
- uint8_t unseqToSeq[256];
-
- /* stuff for coding the MTF values */
- int32_t mtfFreq [BZ_MAX_ALPHA_SIZE];
- uint8_t selector [BZ_MAX_SELECTORS];
- uint8_t selectorMtf[BZ_MAX_SELECTORS];
-
- uint8_t len[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
-
- /* stack-saving measures: these can be local, but they are too big */
- int32_t sendMTFValues__code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
- int32_t sendMTFValues__rfreq[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
-#if CONFIG_BZIP2_FEATURE_SPEED >= 5
- /* second dimension: only 3 needed; 4 makes index calculations faster */
- uint32_t sendMTFValues__len_pack[BZ_MAX_ALPHA_SIZE][4];
-#endif
- int32_t BZ2_hbMakeCodeLengths__heap [BZ_MAX_ALPHA_SIZE + 2];
- int32_t BZ2_hbMakeCodeLengths__weight[BZ_MAX_ALPHA_SIZE * 2];
- int32_t BZ2_hbMakeCodeLengths__parent[BZ_MAX_ALPHA_SIZE * 2];
-
- int32_t mainSort__runningOrder[256];
- int32_t mainSort__copyStart[256];
- int32_t mainSort__copyEnd[256];
-} EState;
-
-
-/*-- compression. --*/
-
-static void
-BZ2_blockSort(EState*);
-
-static void
-BZ2_compressBlock(EState*, int);
-
-static void
-BZ2_bsInitWrite(EState*);
-
-static void
-BZ2_hbAssignCodes(int32_t*, uint8_t*, int32_t, int32_t, int32_t);
-
-static void
-BZ2_hbMakeCodeLengths(EState*, uint8_t*, int32_t*, int32_t, int32_t);
-
-/*-------------------------------------------------------------*/
-/*--- end bzlib_private.h ---*/
-/*-------------------------------------------------------------*/