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[109.252.3.142]) by smtp.gmail.com with ESMTPSA id u7-20020a2e8447000000b002d497b16af3sm1408337ljh.128.2024.03.19.21.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Mar 2024 21:38:16 -0700 (PDT) From: Antony Pavlov To: barebox@lists.infradead.org Date: Wed, 20 Mar 2024 07:38:50 +0300 Message-Id: <20240320043850.1621511-1-antonynpavlov@gmail.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240319_213821_176600_A815206B X-CRM114-Status: GOOD ( 22.72 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ahmad Fatoum Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.5 required=4.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] treewide: drop unused header files X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Signed-off-by: Antony Pavlov --- 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 -#include - -#include "bzlib.h" - -#ifndef BZ_NO_STDIO -#include -#include -#include -#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 */ - -#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