1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright (c) Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#ifndef FILEIO_H_23981798732
#define FILEIO_H_23981798732
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressionParameters */
#include "../lib/zstd.h" /* ZSTD_* */
#if defined (__cplusplus)
extern "C" {
#endif
/* *************************************
* Special i/o constants
**************************************/
#define stdinmark "/*stdin*\\"
#define stdoutmark "/*stdout*\\"
#ifdef _WIN32
# define nulmark "NUL"
#else
# define nulmark "/dev/null"
#endif
/**
* We test whether the extension we found starts with 't', and if so, we append
* ".tar" to the end of the output name.
*/
#define LZMA_EXTENSION ".lzma"
#define XZ_EXTENSION ".xz"
#define TXZ_EXTENSION ".txz"
#define GZ_EXTENSION ".gz"
#define TGZ_EXTENSION ".tgz"
#define ZSTD_EXTENSION ".zst"
#define TZSTD_EXTENSION ".tzst"
#define ZSTD_ALT_EXTENSION ".zstd" /* allow decompression of .zstd files */
#define LZ4_EXTENSION ".lz4"
#define TLZ4_EXTENSION ".tlz4"
/*-*************************************
* Types
***************************************/
typedef enum { FIO_zstdCompression, FIO_gzipCompression, FIO_xzCompression, FIO_lzmaCompression, FIO_lz4Compression } FIO_compressionType_t;
typedef struct FIO_prefs_s FIO_prefs_t;
FIO_prefs_t* FIO_createPreferences(void);
void FIO_freePreferences(FIO_prefs_t* const prefs);
/* Mutable struct containing relevant context and state regarding (de)compression with respect to file I/O */
typedef struct FIO_ctx_s FIO_ctx_t;
FIO_ctx_t* FIO_createContext(void);
void FIO_freeContext(FIO_ctx_t* const fCtx);
typedef struct FIO_display_prefs_s FIO_display_prefs_t;
typedef enum { FIO_ps_auto, FIO_ps_never, FIO_ps_always } FIO_progressSetting_e;
/*-*************************************
* Parameters
***************************************/
/* FIO_prefs_t functions */
void FIO_setCompressionType(FIO_prefs_t* const prefs, FIO_compressionType_t compressionType);
void FIO_overwriteMode(FIO_prefs_t* const prefs);
void FIO_setAdaptiveMode(FIO_prefs_t* const prefs, unsigned adapt);
void FIO_setAdaptMin(FIO_prefs_t* const prefs, int minCLevel);
void FIO_setAdaptMax(FIO_prefs_t* const prefs, int maxCLevel);
void FIO_setUseRowMatchFinder(FIO_prefs_t* const prefs, int useRowMatchFinder);
void FIO_setBlockSize(FIO_prefs_t* const prefs, int blockSize);
void FIO_setChecksumFlag(FIO_prefs_t* const prefs, int checksumFlag);
void FIO_setDictIDFlag(FIO_prefs_t* const prefs, int dictIDFlag);
void FIO_setLdmBucketSizeLog(FIO_prefs_t* const prefs, int ldmBucketSizeLog);
void FIO_setLdmFlag(FIO_prefs_t* const prefs, unsigned ldmFlag);
void FIO_setLdmHashRateLog(FIO_prefs_t* const prefs, int ldmHashRateLog);
void FIO_setLdmHashLog(FIO_prefs_t* const prefs, int ldmHashLog);
void FIO_setLdmMinMatch(FIO_prefs_t* const prefs, int ldmMinMatch);
void FIO_setMemLimit(FIO_prefs_t* const prefs, unsigned memLimit);
void FIO_setNbWorkers(FIO_prefs_t* const prefs, int nbWorkers);
void FIO_setOverlapLog(FIO_prefs_t* const prefs, int overlapLog);
void FIO_setRemoveSrcFile(FIO_prefs_t* const prefs, unsigned flag);
void FIO_setSparseWrite(FIO_prefs_t* const prefs, unsigned sparse); /**< 0: no sparse; 1: disable on stdout; 2: always enabled */
void FIO_setRsyncable(FIO_prefs_t* const prefs, int rsyncable);
void FIO_setStreamSrcSize(FIO_prefs_t* const prefs, size_t streamSrcSize);
void FIO_setTargetCBlockSize(FIO_prefs_t* const prefs, size_t targetCBlockSize);
void FIO_setSrcSizeHint(FIO_prefs_t* const prefs, size_t srcSizeHint);
void FIO_setTestMode(FIO_prefs_t* const prefs, int testMode);
void FIO_setLiteralCompressionMode(
FIO_prefs_t* const prefs,
ZSTD_paramSwitch_e mode);
void FIO_setProgressSetting(FIO_progressSetting_e progressSetting);
void FIO_setNotificationLevel(int level);
void FIO_setExcludeCompressedFile(FIO_prefs_t* const prefs, int excludeCompressedFiles);
void FIO_setAllowBlockDevices(FIO_prefs_t* const prefs, int allowBlockDevices);
void FIO_setPatchFromMode(FIO_prefs_t* const prefs, int value);
void FIO_setContentSize(FIO_prefs_t* const prefs, int value);
void FIO_displayCompressionParameters(const FIO_prefs_t* prefs);
/* FIO_ctx_t functions */
void FIO_setNbFilesTotal(FIO_ctx_t* const fCtx, int value);
void FIO_setHasStdoutOutput(FIO_ctx_t* const fCtx, int value);
void FIO_determineHasStdinInput(FIO_ctx_t* const fCtx, const FileNamesTable* const filenames);
/*-*************************************
* Single File functions
***************************************/
/** FIO_compressFilename() :
* @return : 0 == ok; 1 == pb with src file. */
int FIO_compressFilename (FIO_ctx_t* const fCtx, FIO_prefs_t* const prefs,
const char* outfilename, const char* infilename,
const char* dictFileName, int compressionLevel,
ZSTD_compressionParameters comprParams);
/** FIO_decompressFilename() :
* @return : 0 == ok; 1 == pb with src file. */
int FIO_decompressFilename (FIO_ctx_t* const fCtx, FIO_prefs_t* const prefs,
const char* outfilename, const char* infilename, const char* dictFileName);
int FIO_listMultipleFiles(unsigned numFiles, const char** filenameTable, int displayLevel);
/*-*************************************
* Multiple File functions
***************************************/
/** FIO_compressMultipleFilenames() :
* @return : nb of missing files */
int FIO_compressMultipleFilenames(FIO_ctx_t* const fCtx,
FIO_prefs_t* const prefs,
const char** inFileNamesTable,
const char* outMirroredDirName,
const char* outDirName,
const char* outFileName, const char* suffix,
const char* dictFileName, int compressionLevel,
ZSTD_compressionParameters comprParams);
/** FIO_decompressMultipleFilenames() :
* @return : nb of missing or skipped files */
int FIO_decompressMultipleFilenames(FIO_ctx_t* const fCtx,
FIO_prefs_t* const prefs,
const char** srcNamesTable,
const char* outMirroredDirName,
const char* outDirName,
const char* outFileName,
const char* dictFileName);
/* FIO_checkFilenameCollisions() :
* Checks for and warns if there are any files that would have the same output path
*/
int FIO_checkFilenameCollisions(const char** filenameTable, unsigned nbFiles);
/*-*************************************
* Advanced stuff (should actually be hosted elsewhere)
***************************************/
/* custom crash signal handler */
void FIO_addAbortHandler(void);
#if defined (__cplusplus)
}
#endif
#endif /* FILEIO_H_23981798732 */
|
