| 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 | } |