lib/zstd
1
0
Fork 0
mirror of https://github.com/facebook/zstd.git synced 2025-07-29 11:21:22 +03:00
Code Activity

added ZSTD_estimateDStreamSize()

Browse Source
This commit is contained in:
Yann Collet
2017-05-09 16:18:17 -07:00
parent 542c9dfcf8
commit f16f4497ca
4 changed files with 50 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
tests/zstreamtest.c
View File

@ -262,7 +262,20 @@ static int basicUnitTests(U32 seed, double compressibility, ZSTD_customMem custo
} }
DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : check DStream size : ", testNb++);
/* context size functions */
DISPLAYLEVEL(3, "test%3i : estimate DStream size : ", testNb++);
{ ZSTD_frameHeader fhi;
const void* cStart = (char*)compressedBuffer + (skippableFrameSize + 8);
size_t const gfhError = ZSTD_getFrameHeader(&fhi, cStart, cSize);
if (gfhError!=0) goto _output_error;
DISPLAYLEVEL(5, " (windowSize : %u) ", fhi.windowSize);
{ size_t const s = ZSTD_estimateDStreamSize(fhi)
+ ZSTD_estimateDDictSize(128 KB); /* uses ZSTD_initDStream_usingDict() */
if (ZSTD_isError(s)) goto _output_error;
DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s);
} }
DISPLAYLEVEL(3, "test%3i : check actual DStream size : ", testNb++);
{ size_t const s = ZSTD_sizeof_DStream(zd);
if (ZSTD_isError(s)) goto _output_error;
DISPLAYLEVEL(3, "OK (%u bytes) \n", (U32)s);