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 } 54