648db22b |
1 | #define ZSTD_STATIC_LINKING_ONLY |
2 | #include <zstd.h> |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
5 | #include <assert.h> |
6 | #include <string.h> |
7 | |
8 | int main(int argc, char *argv[]) { |
9 | ZSTD_CCtx* zc = ZSTD_createCCtx(); |
10 | |
11 | if (argc != 2) { |
12 | printf("Usage: seqBench <file>\n"); // TODO provide the block delim option here |
13 | return 1; |
14 | } |
15 | |
16 | FILE *f = fopen(argv[1], "rb"); |
17 | fseek(f, 0, SEEK_END); |
18 | long inBufSize = ftell(f); |
19 | fseek(f, 0, SEEK_SET); |
20 | |
21 | char *inBuf = malloc(inBufSize + 1); |
22 | fread(inBuf, inBufSize, 1, f); |
23 | fclose(f); |
24 | |
25 | size_t seqsSize = ZSTD_sequenceBound(inBufSize); |
26 | ZSTD_Sequence *seqs = (ZSTD_Sequence*)malloc(seqsSize * sizeof(ZSTD_Sequence)); |
27 | char *outBuf = malloc(ZSTD_compressBound(inBufSize)); |
28 | |
29 | ZSTD_generateSequences(zc, seqs, seqsSize, inBuf, inBufSize); |
30 | ZSTD_CCtx_setParameter(zc, ZSTD_c_blockDelimiters, ZSTD_sf_explicitBlockDelimiters); |
31 | size_t outBufSize = ZSTD_compressSequences(zc, outBuf, inBufSize, seqs, seqsSize, inBuf, inBufSize); |
32 | if (ZSTD_isError(outBufSize)) { |
33 | printf("ERROR: %lu\n", outBufSize); |
34 | return 1; |
35 | } |
36 | |
37 | char *validationBuf = malloc(inBufSize); |
38 | ZSTD_decompress(validationBuf, inBufSize, outBuf, outBufSize); |
39 | |
40 | if (memcmp(inBuf, validationBuf, inBufSize) == 0) { |
41 | printf("Compression and decompression were successful!\n"); |
42 | } else { |
43 | printf("ERROR: input and validation buffers don't match!\n"); |
44 | for (int i = 0; i < inBufSize; i++) { |
45 | if (inBuf[i] != validationBuf[i]) { |
46 | printf("First bad index: %d\n", i); |
47 | break; |
48 | } |
49 | } |
50 | } |
51 | |
52 | return 0; |
53 | } |