54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#define ZSTD_STATIC_LINKING_ONLY
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#include <zstd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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int main(int argc, char *argv[]) {
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ZSTD_CCtx* zc = ZSTD_createCCtx();
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if (argc != 2) {
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printf("Usage: seqBench <file>\n"); // TODO provide the block delim option here
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return 1;
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}
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FILE *f = fopen(argv[1], "rb");
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fseek(f, 0, SEEK_END);
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long inBufSize = ftell(f);
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fseek(f, 0, SEEK_SET);
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char *inBuf = malloc(inBufSize + 1);
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fread(inBuf, inBufSize, 1, f);
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fclose(f);
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size_t seqsSize = ZSTD_sequenceBound(inBufSize);
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ZSTD_Sequence *seqs = (ZSTD_Sequence*)malloc(seqsSize * sizeof(ZSTD_Sequence));
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char *outBuf = malloc(ZSTD_compressBound(inBufSize));
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ZSTD_generateSequences(zc, seqs, seqsSize, inBuf, inBufSize);
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ZSTD_CCtx_setParameter(zc, ZSTD_c_blockDelimiters, ZSTD_sf_explicitBlockDelimiters);
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size_t outBufSize = ZSTD_compressSequences(zc, outBuf, inBufSize, seqs, seqsSize, inBuf, inBufSize);
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if (ZSTD_isError(outBufSize)) {
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printf("ERROR: %lu\n", outBufSize);
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return 1;
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}
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char *validationBuf = malloc(inBufSize);
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ZSTD_decompress(validationBuf, inBufSize, outBuf, outBufSize);
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if (memcmp(inBuf, validationBuf, inBufSize) == 0) {
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printf("Compression and decompression were successful!\n");
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} else {
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printf("ERROR: input and validation buffers don't match!\n");
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for (int i = 0; i < inBufSize; i++) {
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if (inBuf[i] != validationBuf[i]) {
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printf("First bad index: %d\n", i);
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break;
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}
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}
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}
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return 0;
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}
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