From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH] treewide: drop unused header files
Date: Wed, 20 Mar 2024 07:38:50 +0300 [thread overview]
Message-ID: <20240320043850.1621511-1-antonynpavlov@gmail.com> (raw)
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
include/usb_dfu_trailer.h | 32 --
lib/bzlib_private.h | 521 -------------------
lib/zstd/zstd_opt.h | 1014 -------------------------------------
net/nfs.h | 68 ---
4 files changed, 1635 deletions(-)
diff --git a/include/usb_dfu_trailer.h b/include/usb_dfu_trailer.h
deleted file mode 100644
index 64b84072755..00000000000
--- a/include/usb_dfu_trailer.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef _USB_DFU_TRAILER_H
-#define _USB_DFU_TRAILER_H
-
-/* trailer handling for DFU files */
-
-#define BAREBOX_DFU_TRAILER_V1 1
-#define BAREBOX_DFU_TRAILER_MAGIC 0x19731978
-struct barebox_dfu_trailer {
- u_int32_t magic;
- u_int16_t version;
- u_int16_t length;
- u_int16_t vendor;
- u_int16_t product;
- u_int32_t revision;
-} __attribute__((packed));
-
-/* we mirror the trailer because we want it to be longer in later versions
- * while keeping backwards compatibility */
-static inline void dfu_trailer_mirror(struct barebox_dfu_trailer *trailer,
- unsigned char *eof)
-{
- int i;
- int len = sizeof(struct barebox_dfu_trailer);
- unsigned char *src = eof - len;
- unsigned char *dst = (unsigned char *) trailer;
-
- for (i = 0; i < len; i++)
- dst[len-1-i] = src[i];
-}
-
-#endif /* _USB_DFU_TRAILER_H */
diff --git a/lib/bzlib_private.h b/lib/bzlib_private.h
deleted file mode 100644
index de10dd42150..00000000000
--- a/lib/bzlib_private.h
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
- * This file is a modified version of bzlib_private.h from the bzip2-1.0.2
- * distribution which can be found at http://sources.redhat.com/bzip2/
- */
-
-/*-------------------------------------------------------------*/
-/*--- Private header file for the library. ---*/
-/*--- bzlib_private.h ---*/
-/*-------------------------------------------------------------*/
-
-/*--
- This file is a part of bzip2 and/or libbzip2, a program and
- library for lossless, block-sorting data compression.
-
- Copyright (C) 1996-2002 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, Cambridge, UK.
- jseward@acm.org
- bzip2/libbzip2 version 1.0 of 21 March 2000
-
- This program is based on (at least) the work of:
- Mike Burrows
- David Wheeler
- Peter Fenwick
- Alistair Moffat
- Radford Neal
- Ian H. Witten
- Robert Sedgewick
- Jon L. Bentley
-
- For more information on these sources, see the manual.
---*/
-
-
-#ifndef _BZLIB_PRIVATE_H
-#define _BZLIB_PRIVATE_H
-
-#include <malloc.h>
-#include <linux/stddef.h>
-
-#include "bzlib.h"
-
-#ifndef BZ_NO_STDIO
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#endif
-
-
-/*-- General stuff. --*/
-
-#define BZ_VERSION "1.0.2, 30-Dec-2001"
-
-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) /* */
-#define VPrintf0(zf) /* */
-#define VPrintf1(zf,za1) /* */
-#define VPrintf2(zf,za1,za2) /* */
-#define VPrintf3(zf,za1,za2,za3) /* */
-#define VPrintf4(zf,za1,za2,za3,za4) /* */
-#define VPrintf5(zf,za1,za2,za3,za4,za5) /* */
-#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) \
- s->tPos = s->tt[s->tPos]; \
- cccc = (UChar)(s->tPos & 0xff); \
- s->tPos >>= 8;
-
-#define BZ_GET_FAST_C(cccc) \
- 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) \
- 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
-
-/*-------------------------------------------------------------*/
-/*--- end bzlib_private.h ---*/
-/*-------------------------------------------------------------*/
diff --git a/lib/zstd/zstd_opt.h b/lib/zstd/zstd_opt.h
deleted file mode 100644
index 55e1b4cba80..00000000000
--- a/lib/zstd/zstd_opt.h
+++ /dev/null
@@ -1,1014 +0,0 @@
-/**
- * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation. This program is dual-licensed; you may select
- * either version 2 of the GNU General Public License ("GPL") or BSD license
- * ("BSD").
- */
-
-/* Note : this file is intended to be included within zstd_compress.c */
-
-#ifndef ZSTD_OPT_H_91842398743
-#define ZSTD_OPT_H_91842398743
-
-#define ZSTD_LITFREQ_ADD 2
-#define ZSTD_FREQ_DIV 4
-#define ZSTD_MAX_PRICE (1 << 30)
-
-/*-*************************************
-* Price functions for optimal parser
-***************************************/
-FORCE_INLINE void ZSTD_setLog2Prices(seqStore_t *ssPtr)
-{
- ssPtr->log2matchLengthSum = ZSTD_highbit32(ssPtr->matchLengthSum + 1);
- ssPtr->log2litLengthSum = ZSTD_highbit32(ssPtr->litLengthSum + 1);
- ssPtr->log2litSum = ZSTD_highbit32(ssPtr->litSum + 1);
- ssPtr->log2offCodeSum = ZSTD_highbit32(ssPtr->offCodeSum + 1);
- ssPtr->factor = 1 + ((ssPtr->litSum >> 5) / ssPtr->litLengthSum) + ((ssPtr->litSum << 1) / (ssPtr->litSum + ssPtr->matchSum));
-}
-
-ZSTD_STATIC void ZSTD_rescaleFreqs(seqStore_t *ssPtr, const BYTE *src, size_t srcSize)
-{
- unsigned u;
-
- ssPtr->cachedLiterals = NULL;
- ssPtr->cachedPrice = ssPtr->cachedLitLength = 0;
- ssPtr->staticPrices = 0;
-
- if (ssPtr->litLengthSum == 0) {
- if (srcSize <= 1024)
- ssPtr->staticPrices = 1;
-
- for (u = 0; u <= MaxLit; u++)
- ssPtr->litFreq[u] = 0;
- for (u = 0; u < srcSize; u++)
- ssPtr->litFreq[src[u]]++;
-
- ssPtr->litSum = 0;
- ssPtr->litLengthSum = MaxLL + 1;
- ssPtr->matchLengthSum = MaxML + 1;
- ssPtr->offCodeSum = (MaxOff + 1);
- ssPtr->matchSum = (ZSTD_LITFREQ_ADD << Litbits);
-
- for (u = 0; u <= MaxLit; u++) {
- ssPtr->litFreq[u] = 1 + (ssPtr->litFreq[u] >> ZSTD_FREQ_DIV);
- ssPtr->litSum += ssPtr->litFreq[u];
- }
- for (u = 0; u <= MaxLL; u++)
- ssPtr->litLengthFreq[u] = 1;
- for (u = 0; u <= MaxML; u++)
- ssPtr->matchLengthFreq[u] = 1;
- for (u = 0; u <= MaxOff; u++)
- ssPtr->offCodeFreq[u] = 1;
- } else {
- ssPtr->matchLengthSum = 0;
- ssPtr->litLengthSum = 0;
- ssPtr->offCodeSum = 0;
- ssPtr->matchSum = 0;
- ssPtr->litSum = 0;
-
- for (u = 0; u <= MaxLit; u++) {
- ssPtr->litFreq[u] = 1 + (ssPtr->litFreq[u] >> (ZSTD_FREQ_DIV + 1));
- ssPtr->litSum += ssPtr->litFreq[u];
- }
- for (u = 0; u <= MaxLL; u++) {
- ssPtr->litLengthFreq[u] = 1 + (ssPtr->litLengthFreq[u] >> (ZSTD_FREQ_DIV + 1));
- ssPtr->litLengthSum += ssPtr->litLengthFreq[u];
- }
- for (u = 0; u <= MaxML; u++) {
- ssPtr->matchLengthFreq[u] = 1 + (ssPtr->matchLengthFreq[u] >> ZSTD_FREQ_DIV);
- ssPtr->matchLengthSum += ssPtr->matchLengthFreq[u];
- ssPtr->matchSum += ssPtr->matchLengthFreq[u] * (u + 3);
- }
- ssPtr->matchSum *= ZSTD_LITFREQ_ADD;
- for (u = 0; u <= MaxOff; u++) {
- ssPtr->offCodeFreq[u] = 1 + (ssPtr->offCodeFreq[u] >> ZSTD_FREQ_DIV);
- ssPtr->offCodeSum += ssPtr->offCodeFreq[u];
- }
- }
-
- ZSTD_setLog2Prices(ssPtr);
-}
-
-FORCE_INLINE U32 ZSTD_getLiteralPrice(seqStore_t *ssPtr, U32 litLength, const BYTE *literals)
-{
- U32 price, u;
-
- if (ssPtr->staticPrices)
- return ZSTD_highbit32((U32)litLength + 1) + (litLength * 6);
-
- if (litLength == 0)
- return ssPtr->log2litLengthSum - ZSTD_highbit32(ssPtr->litLengthFreq[0] + 1);
-
- /* literals */
- if (ssPtr->cachedLiterals == literals) {
- U32 const additional = litLength - ssPtr->cachedLitLength;
- const BYTE *literals2 = ssPtr->cachedLiterals + ssPtr->cachedLitLength;
- price = ssPtr->cachedPrice + additional * ssPtr->log2litSum;
- for (u = 0; u < additional; u++)
- price -= ZSTD_highbit32(ssPtr->litFreq[literals2[u]] + 1);
- ssPtr->cachedPrice = price;
- ssPtr->cachedLitLength = litLength;
- } else {
- price = litLength * ssPtr->log2litSum;
- for (u = 0; u < litLength; u++)
- price -= ZSTD_highbit32(ssPtr->litFreq[literals[u]] + 1);
-
- if (litLength >= 12) {
- ssPtr->cachedLiterals = literals;
- ssPtr->cachedPrice = price;
- ssPtr->cachedLitLength = litLength;
- }
- }
-
- /* literal Length */
- {
- const BYTE LL_deltaCode = 19;
- const BYTE llCode = (litLength > 63) ? (BYTE)ZSTD_highbit32(litLength) + LL_deltaCode : LL_Code[litLength];
- price += LL_bits[llCode] + ssPtr->log2litLengthSum - ZSTD_highbit32(ssPtr->litLengthFreq[llCode] + 1);
- }
-
- return price;
-}
-
-FORCE_INLINE U32 ZSTD_getPrice(seqStore_t *seqStorePtr, U32 litLength, const BYTE *literals, U32 offset, U32 matchLength, const int ultra)
-{
- /* offset */
- U32 price;
- BYTE const offCode = (BYTE)ZSTD_highbit32(offset + 1);
-
- if (seqStorePtr->staticPrices)
- return ZSTD_getLiteralPrice(seqStorePtr, litLength, literals) + ZSTD_highbit32((U32)matchLength + 1) + 16 + offCode;
-
- price = offCode + seqStorePtr->log2offCodeSum - ZSTD_highbit32(seqStorePtr->offCodeFreq[offCode] + 1);
- if (!ultra && offCode >= 20)
- price += (offCode - 19) * 2;
-
- /* match Length */
- {
- const BYTE ML_deltaCode = 36;
- const BYTE mlCode = (matchLength > 127) ? (BYTE)ZSTD_highbit32(matchLength) + ML_deltaCode : ML_Code[matchLength];
- price += ML_bits[mlCode] + seqStorePtr->log2matchLengthSum - ZSTD_highbit32(seqStorePtr->matchLengthFreq[mlCode] + 1);
- }
-
- return price + ZSTD_getLiteralPrice(seqStorePtr, litLength, literals) + seqStorePtr->factor;
-}
-
-ZSTD_STATIC void ZSTD_updatePrice(seqStore_t *seqStorePtr, U32 litLength, const BYTE *literals, U32 offset, U32 matchLength)
-{
- U32 u;
-
- /* literals */
- seqStorePtr->litSum += litLength * ZSTD_LITFREQ_ADD;
- for (u = 0; u < litLength; u++)
- seqStorePtr->litFreq[literals[u]] += ZSTD_LITFREQ_ADD;
-
- /* literal Length */
- {
- const BYTE LL_deltaCode = 19;
- const BYTE llCode = (litLength > 63) ? (BYTE)ZSTD_highbit32(litLength) + LL_deltaCode : LL_Code[litLength];
- seqStorePtr->litLengthFreq[llCode]++;
- seqStorePtr->litLengthSum++;
- }
-
- /* match offset */
- {
- BYTE const offCode = (BYTE)ZSTD_highbit32(offset + 1);
- seqStorePtr->offCodeSum++;
- seqStorePtr->offCodeFreq[offCode]++;
- }
-
- /* match Length */
- {
- const BYTE ML_deltaCode = 36;
- const BYTE mlCode = (matchLength > 127) ? (BYTE)ZSTD_highbit32(matchLength) + ML_deltaCode : ML_Code[matchLength];
- seqStorePtr->matchLengthFreq[mlCode]++;
- seqStorePtr->matchLengthSum++;
- }
-
- ZSTD_setLog2Prices(seqStorePtr);
-}
-
-#define SET_PRICE(pos, mlen_, offset_, litlen_, price_) \
- { \
- while (last_pos < pos) { \
- opt[last_pos + 1].price = ZSTD_MAX_PRICE; \
- last_pos++; \
- } \
- opt[pos].mlen = mlen_; \
- opt[pos].off = offset_; \
- opt[pos].litlen = litlen_; \
- opt[pos].price = price_; \
- }
-
-/* Update hashTable3 up to ip (excluded)
- Assumption : always within prefix (i.e. not within extDict) */
-FORCE_INLINE
-U32 ZSTD_insertAndFindFirstIndexHash3(ZSTD_CCtx *zc, const BYTE *ip)
-{
- U32 *const hashTable3 = zc->hashTable3;
- U32 const hashLog3 = zc->hashLog3;
- const BYTE *const base = zc->base;
- U32 idx = zc->nextToUpdate3;
- const U32 target = zc->nextToUpdate3 = (U32)(ip - base);
- const size_t hash3 = ZSTD_hash3Ptr(ip, hashLog3);
-
- while (idx < target) {
- hashTable3[ZSTD_hash3Ptr(base + idx, hashLog3)] = idx;
- idx++;
- }
-
- return hashTable3[hash3];
-}
-
-/*-*************************************
-* Binary Tree search
-***************************************/
-static U32 ZSTD_insertBtAndGetAllMatches(ZSTD_CCtx *zc, const BYTE *const ip, const BYTE *const iLimit, U32 nbCompares, const U32 mls, U32 extDict,
- ZSTD_match_t *matches, const U32 minMatchLen)
-{
- const BYTE *const base = zc->base;
- const U32 curr = (U32)(ip - base);
- const U32 hashLog = zc->params.cParams.hashLog;
- const size_t h = ZSTD_hashPtr(ip, hashLog, mls);
- U32 *const hashTable = zc->hashTable;
- U32 matchIndex = hashTable[h];
- U32 *const bt = zc->chainTable;
- const U32 btLog = zc->params.cParams.chainLog - 1;
- const U32 btMask = (1U << btLog) - 1;
- size_t commonLengthSmaller = 0, commonLengthLarger = 0;
- const BYTE *const dictBase = zc->dictBase;
- const U32 dictLimit = zc->dictLimit;
- const BYTE *const dictEnd = dictBase + dictLimit;
- const BYTE *const prefixStart = base + dictLimit;
- const U32 btLow = btMask >= curr ? 0 : curr - btMask;
- const U32 windowLow = zc->lowLimit;
- U32 *smallerPtr = bt + 2 * (curr & btMask);
- U32 *largerPtr = bt + 2 * (curr & btMask) + 1;
- U32 matchEndIdx = curr + 8;
- U32 dummy32; /* to be nullified at the end */
- U32 mnum = 0;
-
- const U32 minMatch = (mls == 3) ? 3 : 4;
- size_t bestLength = minMatchLen - 1;
-
- if (minMatch == 3) { /* HC3 match finder */
- U32 const matchIndex3 = ZSTD_insertAndFindFirstIndexHash3(zc, ip);
- if (matchIndex3 > windowLow && (curr - matchIndex3 < (1 << 18))) {
- const BYTE *match;
- size_t currMl = 0;
- if ((!extDict) || matchIndex3 >= dictLimit) {
- match = base + matchIndex3;
- if (match[bestLength] == ip[bestLength])
- currMl = ZSTD_count(ip, match, iLimit);
- } else {
- match = dictBase + matchIndex3;
- if (ZSTD_readMINMATCH(match, MINMATCH) ==
- ZSTD_readMINMATCH(ip, MINMATCH)) /* assumption : matchIndex3 <= dictLimit-4 (by table construction) */
- currMl = ZSTD_count_2segments(ip + MINMATCH, match + MINMATCH, iLimit, dictEnd, prefixStart) + MINMATCH;
- }
-
- /* save best solution */
- if (currMl > bestLength) {
- bestLength = currMl;
- matches[mnum].off = ZSTD_REP_MOVE_OPT + curr - matchIndex3;
- matches[mnum].len = (U32)currMl;
- mnum++;
- if (currMl > ZSTD_OPT_NUM)
- goto update;
- if (ip + currMl == iLimit)
- goto update; /* best possible, and avoid read overflow*/
- }
- }
- }
-
- hashTable[h] = curr; /* Update Hash Table */
-
- while (nbCompares-- && (matchIndex > windowLow)) {
- U32 *nextPtr = bt + 2 * (matchIndex & btMask);
- size_t matchLength = MIN(commonLengthSmaller, commonLengthLarger); /* guaranteed minimum nb of common bytes */
- const BYTE *match;
-
- if ((!extDict) || (matchIndex + matchLength >= dictLimit)) {
- match = base + matchIndex;
- if (match[matchLength] == ip[matchLength]) {
- matchLength += ZSTD_count(ip + matchLength + 1, match + matchLength + 1, iLimit) + 1;
- }
- } else {
- match = dictBase + matchIndex;
- matchLength += ZSTD_count_2segments(ip + matchLength, match + matchLength, iLimit, dictEnd, prefixStart);
- if (matchIndex + matchLength >= dictLimit)
- match = base + matchIndex; /* to prepare for next usage of match[matchLength] */
- }
-
- if (matchLength > bestLength) {
- if (matchLength > matchEndIdx - matchIndex)
- matchEndIdx = matchIndex + (U32)matchLength;
- bestLength = matchLength;
- matches[mnum].off = ZSTD_REP_MOVE_OPT + curr - matchIndex;
- matches[mnum].len = (U32)matchLength;
- mnum++;
- if (matchLength > ZSTD_OPT_NUM)
- break;
- if (ip + matchLength == iLimit) /* equal : no way to know if inf or sup */
- break; /* drop, to guarantee consistency (miss a little bit of compression) */
- }
-
- if (match[matchLength] < ip[matchLength]) {
- /* match is smaller than curr */
- *smallerPtr = matchIndex; /* update smaller idx */
- commonLengthSmaller = matchLength; /* all smaller will now have at least this guaranteed common length */
- if (matchIndex <= btLow) {
- smallerPtr = &dummy32;
- break;
- } /* beyond tree size, stop the search */
- smallerPtr = nextPtr + 1; /* new "smaller" => larger of match */
- matchIndex = nextPtr[1]; /* new matchIndex larger than previous (closer to curr) */
- } else {
- /* match is larger than curr */
- *largerPtr = matchIndex;
- commonLengthLarger = matchLength;
- if (matchIndex <= btLow) {
- largerPtr = &dummy32;
- break;
- } /* beyond tree size, stop the search */
- largerPtr = nextPtr;
- matchIndex = nextPtr[0];
- }
- }
-
- *smallerPtr = *largerPtr = 0;
-
-update:
- zc->nextToUpdate = (matchEndIdx > curr + 8) ? matchEndIdx - 8 : curr + 1;
- return mnum;
-}
-
-/** Tree updater, providing best match */
-static U32 ZSTD_BtGetAllMatches(ZSTD_CCtx *zc, const BYTE *const ip, const BYTE *const iLimit, const U32 maxNbAttempts, const U32 mls, ZSTD_match_t *matches,
- const U32 minMatchLen)
-{
- if (ip < zc->base + zc->nextToUpdate)
- return 0; /* skipped area */
- ZSTD_updateTree(zc, ip, iLimit, maxNbAttempts, mls);
- return ZSTD_insertBtAndGetAllMatches(zc, ip, iLimit, maxNbAttempts, mls, 0, matches, minMatchLen);
-}
-
-static U32 ZSTD_BtGetAllMatches_selectMLS(ZSTD_CCtx *zc, /* Index table will be updated */
- const BYTE *ip, const BYTE *const iHighLimit, const U32 maxNbAttempts, const U32 matchLengthSearch,
- ZSTD_match_t *matches, const U32 minMatchLen)
-{
- switch (matchLengthSearch) {
- case 3: return ZSTD_BtGetAllMatches(zc, ip, iHighLimit, maxNbAttempts, 3, matches, minMatchLen);
- default:
- case 4: return ZSTD_BtGetAllMatches(zc, ip, iHighLimit, maxNbAttempts, 4, matches, minMatchLen);
- case 5: return ZSTD_BtGetAllMatches(zc, ip, iHighLimit, maxNbAttempts, 5, matches, minMatchLen);
- case 7:
- case 6: return ZSTD_BtGetAllMatches(zc, ip, iHighLimit, maxNbAttempts, 6, matches, minMatchLen);
- }
-}
-
-/** Tree updater, providing best match */
-static U32 ZSTD_BtGetAllMatches_extDict(ZSTD_CCtx *zc, const BYTE *const ip, const BYTE *const iLimit, const U32 maxNbAttempts, const U32 mls,
- ZSTD_match_t *matches, const U32 minMatchLen)
-{
- if (ip < zc->base + zc->nextToUpdate)
- return 0; /* skipped area */
- ZSTD_updateTree_extDict(zc, ip, iLimit, maxNbAttempts, mls);
- return ZSTD_insertBtAndGetAllMatches(zc, ip, iLimit, maxNbAttempts, mls, 1, matches, minMatchLen);
-}
-
-static U32 ZSTD_BtGetAllMatches_selectMLS_extDict(ZSTD_CCtx *zc, /* Index table will be updated */
- const BYTE *ip, const BYTE *const iHighLimit, const U32 maxNbAttempts, const U32 matchLengthSearch,
- ZSTD_match_t *matches, const U32 minMatchLen)
-{
- switch (matchLengthSearch) {
- case 3: return ZSTD_BtGetAllMatches_extDict(zc, ip, iHighLimit, maxNbAttempts, 3, matches, minMatchLen);
- default:
- case 4: return ZSTD_BtGetAllMatches_extDict(zc, ip, iHighLimit, maxNbAttempts, 4, matches, minMatchLen);
- case 5: return ZSTD_BtGetAllMatches_extDict(zc, ip, iHighLimit, maxNbAttempts, 5, matches, minMatchLen);
- case 7:
- case 6: return ZSTD_BtGetAllMatches_extDict(zc, ip, iHighLimit, maxNbAttempts, 6, matches, minMatchLen);
- }
-}
-
-/*-*******************************
-* Optimal parser
-*********************************/
-FORCE_INLINE
-void ZSTD_compressBlock_opt_generic(ZSTD_CCtx *ctx, const void *src, size_t srcSize, const int ultra)
-{
- seqStore_t *seqStorePtr = &(ctx->seqStore);
- const BYTE *const istart = (const BYTE *)src;
- const BYTE *ip = istart;
- const BYTE *anchor = istart;
- const BYTE *const iend = istart + srcSize;
- const BYTE *const ilimit = iend - 8;
- const BYTE *const base = ctx->base;
- const BYTE *const prefixStart = base + ctx->dictLimit;
-
- const U32 maxSearches = 1U << ctx->params.cParams.searchLog;
- const U32 sufficient_len = ctx->params.cParams.targetLength;
- const U32 mls = ctx->params.cParams.searchLength;
- const U32 minMatch = (ctx->params.cParams.searchLength == 3) ? 3 : 4;
-
- ZSTD_optimal_t *opt = seqStorePtr->priceTable;
- ZSTD_match_t *matches = seqStorePtr->matchTable;
- const BYTE *inr;
- U32 offset, rep[ZSTD_REP_NUM];
-
- /* init */
- ctx->nextToUpdate3 = ctx->nextToUpdate;
- ZSTD_rescaleFreqs(seqStorePtr, (const BYTE *)src, srcSize);
- ip += (ip == prefixStart);
- {
- U32 i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- rep[i] = ctx->rep[i];
- }
-
- /* Match Loop */
- while (ip < ilimit) {
- U32 cur, match_num, last_pos, litlen, price;
- U32 u, mlen, best_mlen, best_off, litLength;
- memset(opt, 0, sizeof(ZSTD_optimal_t));
- last_pos = 0;
- litlen = (U32)(ip - anchor);
-
- /* check repCode */
- {
- U32 i, last_i = ZSTD_REP_CHECK + (ip == anchor);
- for (i = (ip == anchor); i < last_i; i++) {
- const S32 repCur = (i == ZSTD_REP_MOVE_OPT) ? (rep[0] - 1) : rep[i];
- if ((repCur > 0) && (repCur < (S32)(ip - prefixStart)) &&
- (ZSTD_readMINMATCH(ip, minMatch) == ZSTD_readMINMATCH(ip - repCur, minMatch))) {
- mlen = (U32)ZSTD_count(ip + minMatch, ip + minMatch - repCur, iend) + minMatch;
- if (mlen > sufficient_len || mlen >= ZSTD_OPT_NUM) {
- best_mlen = mlen;
- best_off = i;
- cur = 0;
- last_pos = 1;
- goto _storeSequence;
- }
- best_off = i - (ip == anchor);
- do {
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, best_off, mlen - MINMATCH, ultra);
- if (mlen > last_pos || price < opt[mlen].price)
- SET_PRICE(mlen, mlen, i, litlen, price); /* note : macro modifies last_pos */
- mlen--;
- } while (mlen >= minMatch);
- }
- }
- }
-
- match_num = ZSTD_BtGetAllMatches_selectMLS(ctx, ip, iend, maxSearches, mls, matches, minMatch);
-
- if (!last_pos && !match_num) {
- ip++;
- continue;
- }
-
- if (match_num && (matches[match_num - 1].len > sufficient_len || matches[match_num - 1].len >= ZSTD_OPT_NUM)) {
- best_mlen = matches[match_num - 1].len;
- best_off = matches[match_num - 1].off;
- cur = 0;
- last_pos = 1;
- goto _storeSequence;
- }
-
- /* set prices using matches at position = 0 */
- best_mlen = (last_pos) ? last_pos : minMatch;
- for (u = 0; u < match_num; u++) {
- mlen = (u > 0) ? matches[u - 1].len + 1 : best_mlen;
- best_mlen = matches[u].len;
- while (mlen <= best_mlen) {
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, matches[u].off - 1, mlen - MINMATCH, ultra);
- if (mlen > last_pos || price < opt[mlen].price)
- SET_PRICE(mlen, mlen, matches[u].off, litlen, price); /* note : macro modifies last_pos */
- mlen++;
- }
- }
-
- if (last_pos < minMatch) {
- ip++;
- continue;
- }
-
- /* initialize opt[0] */
- {
- U32 i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- opt[0].rep[i] = rep[i];
- }
- opt[0].mlen = 1;
- opt[0].litlen = litlen;
-
- /* check further positions */
- for (cur = 1; cur <= last_pos; cur++) {
- inr = ip + cur;
-
- if (opt[cur - 1].mlen == 1) {
- litlen = opt[cur - 1].litlen + 1;
- if (cur > litlen) {
- price = opt[cur - litlen].price + ZSTD_getLiteralPrice(seqStorePtr, litlen, inr - litlen);
- } else
- price = ZSTD_getLiteralPrice(seqStorePtr, litlen, anchor);
- } else {
- litlen = 1;
- price = opt[cur - 1].price + ZSTD_getLiteralPrice(seqStorePtr, litlen, inr - 1);
- }
-
- if (cur > last_pos || price <= opt[cur].price)
- SET_PRICE(cur, 1, 0, litlen, price);
-
- if (cur == last_pos)
- break;
-
- if (inr > ilimit) /* last match must start at a minimum distance of 8 from oend */
- continue;
-
- mlen = opt[cur].mlen;
- if (opt[cur].off > ZSTD_REP_MOVE_OPT) {
- opt[cur].rep[2] = opt[cur - mlen].rep[1];
- opt[cur].rep[1] = opt[cur - mlen].rep[0];
- opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE_OPT;
- } else {
- opt[cur].rep[2] = (opt[cur].off > 1) ? opt[cur - mlen].rep[1] : opt[cur - mlen].rep[2];
- opt[cur].rep[1] = (opt[cur].off > 0) ? opt[cur - mlen].rep[0] : opt[cur - mlen].rep[1];
- opt[cur].rep[0] =
- ((opt[cur].off == ZSTD_REP_MOVE_OPT) && (mlen != 1)) ? (opt[cur - mlen].rep[0] - 1) : (opt[cur - mlen].rep[opt[cur].off]);
- }
-
- best_mlen = minMatch;
- {
- U32 i, last_i = ZSTD_REP_CHECK + (mlen != 1);
- for (i = (opt[cur].mlen != 1); i < last_i; i++) { /* check rep */
- const S32 repCur = (i == ZSTD_REP_MOVE_OPT) ? (opt[cur].rep[0] - 1) : opt[cur].rep[i];
- if ((repCur > 0) && (repCur < (S32)(inr - prefixStart)) &&
- (ZSTD_readMINMATCH(inr, minMatch) == ZSTD_readMINMATCH(inr - repCur, minMatch))) {
- mlen = (U32)ZSTD_count(inr + minMatch, inr + minMatch - repCur, iend) + minMatch;
-
- if (mlen > sufficient_len || cur + mlen >= ZSTD_OPT_NUM) {
- best_mlen = mlen;
- best_off = i;
- last_pos = cur + 1;
- goto _storeSequence;
- }
-
- best_off = i - (opt[cur].mlen != 1);
- if (mlen > best_mlen)
- best_mlen = mlen;
-
- do {
- if (opt[cur].mlen == 1) {
- litlen = opt[cur].litlen;
- if (cur > litlen) {
- price = opt[cur - litlen].price + ZSTD_getPrice(seqStorePtr, litlen, inr - litlen,
- best_off, mlen - MINMATCH, ultra);
- } else
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, best_off, mlen - MINMATCH, ultra);
- } else {
- litlen = 0;
- price = opt[cur].price + ZSTD_getPrice(seqStorePtr, 0, NULL, best_off, mlen - MINMATCH, ultra);
- }
-
- if (cur + mlen > last_pos || price <= opt[cur + mlen].price)
- SET_PRICE(cur + mlen, mlen, i, litlen, price);
- mlen--;
- } while (mlen >= minMatch);
- }
- }
- }
-
- match_num = ZSTD_BtGetAllMatches_selectMLS(ctx, inr, iend, maxSearches, mls, matches, best_mlen);
-
- if (match_num > 0 && (matches[match_num - 1].len > sufficient_len || cur + matches[match_num - 1].len >= ZSTD_OPT_NUM)) {
- best_mlen = matches[match_num - 1].len;
- best_off = matches[match_num - 1].off;
- last_pos = cur + 1;
- goto _storeSequence;
- }
-
- /* set prices using matches at position = cur */
- for (u = 0; u < match_num; u++) {
- mlen = (u > 0) ? matches[u - 1].len + 1 : best_mlen;
- best_mlen = matches[u].len;
-
- while (mlen <= best_mlen) {
- if (opt[cur].mlen == 1) {
- litlen = opt[cur].litlen;
- if (cur > litlen)
- price = opt[cur - litlen].price + ZSTD_getPrice(seqStorePtr, litlen, ip + cur - litlen,
- matches[u].off - 1, mlen - MINMATCH, ultra);
- else
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, matches[u].off - 1, mlen - MINMATCH, ultra);
- } else {
- litlen = 0;
- price = opt[cur].price + ZSTD_getPrice(seqStorePtr, 0, NULL, matches[u].off - 1, mlen - MINMATCH, ultra);
- }
-
- if (cur + mlen > last_pos || (price < opt[cur + mlen].price))
- SET_PRICE(cur + mlen, mlen, matches[u].off, litlen, price);
-
- mlen++;
- }
- }
- }
-
- best_mlen = opt[last_pos].mlen;
- best_off = opt[last_pos].off;
- cur = last_pos - best_mlen;
-
- /* store sequence */
-_storeSequence: /* cur, last_pos, best_mlen, best_off have to be set */
- opt[0].mlen = 1;
-
- while (1) {
- mlen = opt[cur].mlen;
- offset = opt[cur].off;
- opt[cur].mlen = best_mlen;
- opt[cur].off = best_off;
- best_mlen = mlen;
- best_off = offset;
- if (mlen > cur)
- break;
- cur -= mlen;
- }
-
- for (u = 0; u <= last_pos;) {
- u += opt[u].mlen;
- }
-
- for (cur = 0; cur < last_pos;) {
- mlen = opt[cur].mlen;
- if (mlen == 1) {
- ip++;
- cur++;
- continue;
- }
- offset = opt[cur].off;
- cur += mlen;
- litLength = (U32)(ip - anchor);
-
- if (offset > ZSTD_REP_MOVE_OPT) {
- rep[2] = rep[1];
- rep[1] = rep[0];
- rep[0] = offset - ZSTD_REP_MOVE_OPT;
- offset--;
- } else {
- if (offset != 0) {
- best_off = (offset == ZSTD_REP_MOVE_OPT) ? (rep[0] - 1) : (rep[offset]);
- if (offset != 1)
- rep[2] = rep[1];
- rep[1] = rep[0];
- rep[0] = best_off;
- }
- if (litLength == 0)
- offset--;
- }
-
- ZSTD_updatePrice(seqStorePtr, litLength, anchor, offset, mlen - MINMATCH);
- ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset, mlen - MINMATCH);
- anchor = ip = ip + mlen;
- }
- } /* for (cur=0; cur < last_pos; ) */
-
- /* Save reps for next block */
- {
- int i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- ctx->repToConfirm[i] = rep[i];
- }
-
- /* Last Literals */
- {
- size_t const lastLLSize = iend - anchor;
- memcpy(seqStorePtr->lit, anchor, lastLLSize);
- seqStorePtr->lit += lastLLSize;
- }
-}
-
-FORCE_INLINE
-void ZSTD_compressBlock_opt_extDict_generic(ZSTD_CCtx *ctx, const void *src, size_t srcSize, const int ultra)
-{
- seqStore_t *seqStorePtr = &(ctx->seqStore);
- const BYTE *const istart = (const BYTE *)src;
- const BYTE *ip = istart;
- const BYTE *anchor = istart;
- const BYTE *const iend = istart + srcSize;
- const BYTE *const ilimit = iend - 8;
- const BYTE *const base = ctx->base;
- const U32 lowestIndex = ctx->lowLimit;
- const U32 dictLimit = ctx->dictLimit;
- const BYTE *const prefixStart = base + dictLimit;
- const BYTE *const dictBase = ctx->dictBase;
- const BYTE *const dictEnd = dictBase + dictLimit;
-
- const U32 maxSearches = 1U << ctx->params.cParams.searchLog;
- const U32 sufficient_len = ctx->params.cParams.targetLength;
- const U32 mls = ctx->params.cParams.searchLength;
- const U32 minMatch = (ctx->params.cParams.searchLength == 3) ? 3 : 4;
-
- ZSTD_optimal_t *opt = seqStorePtr->priceTable;
- ZSTD_match_t *matches = seqStorePtr->matchTable;
- const BYTE *inr;
-
- /* init */
- U32 offset, rep[ZSTD_REP_NUM];
- {
- U32 i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- rep[i] = ctx->rep[i];
- }
-
- ctx->nextToUpdate3 = ctx->nextToUpdate;
- ZSTD_rescaleFreqs(seqStorePtr, (const BYTE *)src, srcSize);
- ip += (ip == prefixStart);
-
- /* Match Loop */
- while (ip < ilimit) {
- U32 cur, match_num, last_pos, litlen, price;
- U32 u, mlen, best_mlen, best_off, litLength;
- U32 curr = (U32)(ip - base);
- memset(opt, 0, sizeof(ZSTD_optimal_t));
- last_pos = 0;
- opt[0].litlen = (U32)(ip - anchor);
-
- /* check repCode */
- {
- U32 i, last_i = ZSTD_REP_CHECK + (ip == anchor);
- for (i = (ip == anchor); i < last_i; i++) {
- const S32 repCur = (i == ZSTD_REP_MOVE_OPT) ? (rep[0] - 1) : rep[i];
- const U32 repIndex = (U32)(curr - repCur);
- const BYTE *const repBase = repIndex < dictLimit ? dictBase : base;
- const BYTE *const repMatch = repBase + repIndex;
- if ((repCur > 0 && repCur <= (S32)curr) &&
- (((U32)((dictLimit - 1) - repIndex) >= 3) & (repIndex > lowestIndex)) /* intentional overflow */
- && (ZSTD_readMINMATCH(ip, minMatch) == ZSTD_readMINMATCH(repMatch, minMatch))) {
- /* repcode detected we should take it */
- const BYTE *const repEnd = repIndex < dictLimit ? dictEnd : iend;
- mlen = (U32)ZSTD_count_2segments(ip + minMatch, repMatch + minMatch, iend, repEnd, prefixStart) + minMatch;
-
- if (mlen > sufficient_len || mlen >= ZSTD_OPT_NUM) {
- best_mlen = mlen;
- best_off = i;
- cur = 0;
- last_pos = 1;
- goto _storeSequence;
- }
-
- best_off = i - (ip == anchor);
- litlen = opt[0].litlen;
- do {
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, best_off, mlen - MINMATCH, ultra);
- if (mlen > last_pos || price < opt[mlen].price)
- SET_PRICE(mlen, mlen, i, litlen, price); /* note : macro modifies last_pos */
- mlen--;
- } while (mlen >= minMatch);
- }
- }
- }
-
- match_num = ZSTD_BtGetAllMatches_selectMLS_extDict(ctx, ip, iend, maxSearches, mls, matches, minMatch); /* first search (depth 0) */
-
- if (!last_pos && !match_num) {
- ip++;
- continue;
- }
-
- {
- U32 i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- opt[0].rep[i] = rep[i];
- }
- opt[0].mlen = 1;
-
- if (match_num && (matches[match_num - 1].len > sufficient_len || matches[match_num - 1].len >= ZSTD_OPT_NUM)) {
- best_mlen = matches[match_num - 1].len;
- best_off = matches[match_num - 1].off;
- cur = 0;
- last_pos = 1;
- goto _storeSequence;
- }
-
- best_mlen = (last_pos) ? last_pos : minMatch;
-
- /* set prices using matches at position = 0 */
- for (u = 0; u < match_num; u++) {
- mlen = (u > 0) ? matches[u - 1].len + 1 : best_mlen;
- best_mlen = matches[u].len;
- litlen = opt[0].litlen;
- while (mlen <= best_mlen) {
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, matches[u].off - 1, mlen - MINMATCH, ultra);
- if (mlen > last_pos || price < opt[mlen].price)
- SET_PRICE(mlen, mlen, matches[u].off, litlen, price);
- mlen++;
- }
- }
-
- if (last_pos < minMatch) {
- ip++;
- continue;
- }
-
- /* check further positions */
- for (cur = 1; cur <= last_pos; cur++) {
- inr = ip + cur;
-
- if (opt[cur - 1].mlen == 1) {
- litlen = opt[cur - 1].litlen + 1;
- if (cur > litlen) {
- price = opt[cur - litlen].price + ZSTD_getLiteralPrice(seqStorePtr, litlen, inr - litlen);
- } else
- price = ZSTD_getLiteralPrice(seqStorePtr, litlen, anchor);
- } else {
- litlen = 1;
- price = opt[cur - 1].price + ZSTD_getLiteralPrice(seqStorePtr, litlen, inr - 1);
- }
-
- if (cur > last_pos || price <= opt[cur].price)
- SET_PRICE(cur, 1, 0, litlen, price);
-
- if (cur == last_pos)
- break;
-
- if (inr > ilimit) /* last match must start at a minimum distance of 8 from oend */
- continue;
-
- mlen = opt[cur].mlen;
- if (opt[cur].off > ZSTD_REP_MOVE_OPT) {
- opt[cur].rep[2] = opt[cur - mlen].rep[1];
- opt[cur].rep[1] = opt[cur - mlen].rep[0];
- opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE_OPT;
- } else {
- opt[cur].rep[2] = (opt[cur].off > 1) ? opt[cur - mlen].rep[1] : opt[cur - mlen].rep[2];
- opt[cur].rep[1] = (opt[cur].off > 0) ? opt[cur - mlen].rep[0] : opt[cur - mlen].rep[1];
- opt[cur].rep[0] =
- ((opt[cur].off == ZSTD_REP_MOVE_OPT) && (mlen != 1)) ? (opt[cur - mlen].rep[0] - 1) : (opt[cur - mlen].rep[opt[cur].off]);
- }
-
- best_mlen = minMatch;
- {
- U32 i, last_i = ZSTD_REP_CHECK + (mlen != 1);
- for (i = (mlen != 1); i < last_i; i++) {
- const S32 repCur = (i == ZSTD_REP_MOVE_OPT) ? (opt[cur].rep[0] - 1) : opt[cur].rep[i];
- const U32 repIndex = (U32)(curr + cur - repCur);
- const BYTE *const repBase = repIndex < dictLimit ? dictBase : base;
- const BYTE *const repMatch = repBase + repIndex;
- if ((repCur > 0 && repCur <= (S32)(curr + cur)) &&
- (((U32)((dictLimit - 1) - repIndex) >= 3) & (repIndex > lowestIndex)) /* intentional overflow */
- && (ZSTD_readMINMATCH(inr, minMatch) == ZSTD_readMINMATCH(repMatch, minMatch))) {
- /* repcode detected */
- const BYTE *const repEnd = repIndex < dictLimit ? dictEnd : iend;
- mlen = (U32)ZSTD_count_2segments(inr + minMatch, repMatch + minMatch, iend, repEnd, prefixStart) + minMatch;
-
- if (mlen > sufficient_len || cur + mlen >= ZSTD_OPT_NUM) {
- best_mlen = mlen;
- best_off = i;
- last_pos = cur + 1;
- goto _storeSequence;
- }
-
- best_off = i - (opt[cur].mlen != 1);
- if (mlen > best_mlen)
- best_mlen = mlen;
-
- do {
- if (opt[cur].mlen == 1) {
- litlen = opt[cur].litlen;
- if (cur > litlen) {
- price = opt[cur - litlen].price + ZSTD_getPrice(seqStorePtr, litlen, inr - litlen,
- best_off, mlen - MINMATCH, ultra);
- } else
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, best_off, mlen - MINMATCH, ultra);
- } else {
- litlen = 0;
- price = opt[cur].price + ZSTD_getPrice(seqStorePtr, 0, NULL, best_off, mlen - MINMATCH, ultra);
- }
-
- if (cur + mlen > last_pos || price <= opt[cur + mlen].price)
- SET_PRICE(cur + mlen, mlen, i, litlen, price);
- mlen--;
- } while (mlen >= minMatch);
- }
- }
- }
-
- match_num = ZSTD_BtGetAllMatches_selectMLS_extDict(ctx, inr, iend, maxSearches, mls, matches, minMatch);
-
- if (match_num > 0 && (matches[match_num - 1].len > sufficient_len || cur + matches[match_num - 1].len >= ZSTD_OPT_NUM)) {
- best_mlen = matches[match_num - 1].len;
- best_off = matches[match_num - 1].off;
- last_pos = cur + 1;
- goto _storeSequence;
- }
-
- /* set prices using matches at position = cur */
- for (u = 0; u < match_num; u++) {
- mlen = (u > 0) ? matches[u - 1].len + 1 : best_mlen;
- best_mlen = matches[u].len;
-
- while (mlen <= best_mlen) {
- if (opt[cur].mlen == 1) {
- litlen = opt[cur].litlen;
- if (cur > litlen)
- price = opt[cur - litlen].price + ZSTD_getPrice(seqStorePtr, litlen, ip + cur - litlen,
- matches[u].off - 1, mlen - MINMATCH, ultra);
- else
- price = ZSTD_getPrice(seqStorePtr, litlen, anchor, matches[u].off - 1, mlen - MINMATCH, ultra);
- } else {
- litlen = 0;
- price = opt[cur].price + ZSTD_getPrice(seqStorePtr, 0, NULL, matches[u].off - 1, mlen - MINMATCH, ultra);
- }
-
- if (cur + mlen > last_pos || (price < opt[cur + mlen].price))
- SET_PRICE(cur + mlen, mlen, matches[u].off, litlen, price);
-
- mlen++;
- }
- }
- } /* for (cur = 1; cur <= last_pos; cur++) */
-
- best_mlen = opt[last_pos].mlen;
- best_off = opt[last_pos].off;
- cur = last_pos - best_mlen;
-
- /* store sequence */
-_storeSequence: /* cur, last_pos, best_mlen, best_off have to be set */
- opt[0].mlen = 1;
-
- while (1) {
- mlen = opt[cur].mlen;
- offset = opt[cur].off;
- opt[cur].mlen = best_mlen;
- opt[cur].off = best_off;
- best_mlen = mlen;
- best_off = offset;
- if (mlen > cur)
- break;
- cur -= mlen;
- }
-
- for (u = 0; u <= last_pos;) {
- u += opt[u].mlen;
- }
-
- for (cur = 0; cur < last_pos;) {
- mlen = opt[cur].mlen;
- if (mlen == 1) {
- ip++;
- cur++;
- continue;
- }
- offset = opt[cur].off;
- cur += mlen;
- litLength = (U32)(ip - anchor);
-
- if (offset > ZSTD_REP_MOVE_OPT) {
- rep[2] = rep[1];
- rep[1] = rep[0];
- rep[0] = offset - ZSTD_REP_MOVE_OPT;
- offset--;
- } else {
- if (offset != 0) {
- best_off = (offset == ZSTD_REP_MOVE_OPT) ? (rep[0] - 1) : (rep[offset]);
- if (offset != 1)
- rep[2] = rep[1];
- rep[1] = rep[0];
- rep[0] = best_off;
- }
-
- if (litLength == 0)
- offset--;
- }
-
- ZSTD_updatePrice(seqStorePtr, litLength, anchor, offset, mlen - MINMATCH);
- ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset, mlen - MINMATCH);
- anchor = ip = ip + mlen;
- }
- } /* for (cur=0; cur < last_pos; ) */
-
- /* Save reps for next block */
- {
- int i;
- for (i = 0; i < ZSTD_REP_NUM; i++)
- ctx->repToConfirm[i] = rep[i];
- }
-
- /* Last Literals */
- {
- size_t lastLLSize = iend - anchor;
- memcpy(seqStorePtr->lit, anchor, lastLLSize);
- seqStorePtr->lit += lastLLSize;
- }
-}
-
-#endif /* ZSTD_OPT_H_91842398743 */
diff --git a/net/nfs.h b/net/nfs.h
deleted file mode 100644
index e9ac5f299af..00000000000
--- a/net/nfs.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* SPDX-FileCopyrightText: 2004 Masami Komiya <mkomiya@sonare.it> */
-
-#ifndef __NFS_H__
-#define __NFS_H__
-
-#define SUNRPC_PORT 111
-
-#define PROG_PORTMAP 100000
-#define PROG_NFS 100003
-#define PROG_MOUNT 100005
-
-#define MSG_CALL 0
-#define MSG_REPLY 1
-
-#define PORTMAP_GETPORT 3
-
-#define MOUNT_ADDENTRY 1
-#define MOUNT_UMOUNTALL 4
-
-#define NFS_LOOKUP 4
-#define NFS_READLINK 5
-#define NFS_READ 6
-
-#define NFS_FHSIZE 32
-
-#define NFSERR_PERM 1
-#define NFSERR_NOENT 2
-#define NFSERR_ACCES 13
-#define NFSERR_ISDIR 21
-#define NFSERR_INVAL 22
-
-/* Block size used for NFS read accesses. A RPC reply packet (including all
- * headers) must fit within a single Ethernet frame to avoid fragmentation.
- * Chosen to be a power of two, as most NFS servers are optimized for this. */
-#define NFS_READ_SIZE 1024
-
-#define NFS_MAXLINKDEPTH 16
-
-struct rpc_t {
- union {
- uint8_t data[2048];
- struct {
- uint32_t id;
- uint32_t type;
- uint32_t rpcvers;
- uint32_t prog;
- uint32_t vers;
- uint32_t proc;
- uint32_t data[1];
- } call;
- struct {
- uint32_t id;
- uint32_t type;
- uint32_t rstatus;
- uint32_t verifier;
- uint32_t v2;
- uint32_t astatus;
- uint32_t data[19];
- } reply;
- } u;
-};
-extern void NfsStart (char *); /* Begin NFS */
-
-
-/**********************************************************************/
-
-#endif /* __NFS_H__ */
--
2.39.0
next reply other threads:[~2024-03-20 4:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-20 4:38 Antony Pavlov [this message]
2024-03-25 10:07 ` Sascha Hauer
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