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Diffstat (limited to '3rdparty/zstd/contrib/seqBench/seqBench.c')
-rw-r--r--3rdparty/zstd/contrib/seqBench/seqBench.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/3rdparty/zstd/contrib/seqBench/seqBench.c b/3rdparty/zstd/contrib/seqBench/seqBench.c
new file mode 100644
index 00000000000..7efebec7bea
--- /dev/null
+++ b/3rdparty/zstd/contrib/seqBench/seqBench.c
@@ -0,0 +1,53 @@
+#define ZSTD_STATIC_LINKING_ONLY
+#include <zstd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+ ZSTD_CCtx* zc = ZSTD_createCCtx();
+
+ if (argc != 2) {
+ printf("Usage: seqBench <file>\n"); // TODO provide the block delim option here
+ return 1;
+ }
+
+ FILE *f = fopen(argv[1], "rb");
+ fseek(f, 0, SEEK_END);
+ long inBufSize = ftell(f);
+ fseek(f, 0, SEEK_SET);
+
+ char *inBuf = malloc(inBufSize + 1);
+ fread(inBuf, inBufSize, 1, f);
+ fclose(f);
+
+ size_t seqsSize = ZSTD_sequenceBound(inBufSize);
+ ZSTD_Sequence *seqs = (ZSTD_Sequence*)malloc(seqsSize * sizeof(ZSTD_Sequence));
+ char *outBuf = malloc(ZSTD_compressBound(inBufSize));
+
+ ZSTD_generateSequences(zc, seqs, seqsSize, inBuf, inBufSize);
+ ZSTD_CCtx_setParameter(zc, ZSTD_c_blockDelimiters, ZSTD_sf_explicitBlockDelimiters);
+ size_t outBufSize = ZSTD_compressSequences(zc, outBuf, inBufSize, seqs, seqsSize, inBuf, inBufSize);
+ if (ZSTD_isError(outBufSize)) {
+ printf("ERROR: %lu\n", outBufSize);
+ return 1;
+ }
+
+ char *validationBuf = malloc(inBufSize);
+ ZSTD_decompress(validationBuf, inBufSize, outBuf, outBufSize);
+
+ if (memcmp(inBuf, validationBuf, inBufSize) == 0) {
+ printf("Compression and decompression were successful!\n");
+ } else {
+ printf("ERROR: input and validation buffers don't match!\n");
+ for (int i = 0; i < inBufSize; i++) {
+ if (inBuf[i] != validationBuf[i]) {
+ printf("First bad index: %d\n", i);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}