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11fdf7f2 | 1 | /* |
f67539c2 | 2 | * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. |
7c673cae FG |
3 | * All rights reserved. |
4 | * | |
11fdf7f2 TL |
5 | * This source code is licensed under both the BSD-style license (found in the |
6 | * LICENSE file in the root directory of this source tree) and the GPLv2 (found | |
7 | * in the COPYING file in the root directory of this source tree). | |
8 | * You may select, at your option, one of the above-listed licenses. | |
7c673cae FG |
9 | */ |
10 | ||
9f95a23c TL |
11 | #include <stdio.h> // printf |
12 | #include <stdlib.h> // free | |
13 | #include <string.h> // strlen, strcat, memset | |
7c673cae | 14 | #include <zstd.h> // presumes zstd library is installed |
9f95a23c | 15 | #include "common.h" // Helper functions, CHECK(), and CHECK_ZSTD() |
7c673cae FG |
16 | |
17 | static void compress_orDie(const char* fname, const char* oname) | |
18 | { | |
19 | size_t fSize; | |
9f95a23c | 20 | void* const fBuff = mallocAndLoadFile_orDie(fname, &fSize); |
7c673cae FG |
21 | size_t const cBuffSize = ZSTD_compressBound(fSize); |
22 | void* const cBuff = malloc_orDie(cBuffSize); | |
23 | ||
9f95a23c TL |
24 | /* Compress. |
25 | * If you are doing many compressions, you may want to reuse the context. | |
26 | * See the multiple_simple_compression.c example. | |
27 | */ | |
7c673cae | 28 | size_t const cSize = ZSTD_compress(cBuff, cBuffSize, fBuff, fSize, 1); |
9f95a23c | 29 | CHECK_ZSTD(cSize); |
7c673cae FG |
30 | |
31 | saveFile_orDie(oname, cBuff, cSize); | |
32 | ||
33 | /* success */ | |
34 | printf("%25s : %6u -> %7u - %s \n", fname, (unsigned)fSize, (unsigned)cSize, oname); | |
35 | ||
36 | free(fBuff); | |
37 | free(cBuff); | |
38 | } | |
39 | ||
11fdf7f2 | 40 | static char* createOutFilename_orDie(const char* filename) |
7c673cae FG |
41 | { |
42 | size_t const inL = strlen(filename); | |
43 | size_t const outL = inL + 5; | |
44 | void* const outSpace = malloc_orDie(outL); | |
45 | memset(outSpace, 0, outL); | |
46 | strcat(outSpace, filename); | |
47 | strcat(outSpace, ".zst"); | |
11fdf7f2 | 48 | return (char*)outSpace; |
7c673cae FG |
49 | } |
50 | ||
51 | int main(int argc, const char** argv) | |
52 | { | |
53 | const char* const exeName = argv[0]; | |
7c673cae FG |
54 | |
55 | if (argc!=2) { | |
56 | printf("wrong arguments\n"); | |
57 | printf("usage:\n"); | |
58 | printf("%s FILE\n", exeName); | |
59 | return 1; | |
60 | } | |
61 | ||
11fdf7f2 | 62 | const char* const inFilename = argv[1]; |
7c673cae | 63 | |
11fdf7f2 TL |
64 | char* const outFilename = createOutFilename_orDie(inFilename); |
65 | compress_orDie(inFilename, outFilename); | |
66 | free(outFilename); | |
7c673cae FG |
67 | return 0; |
68 | } |