Merge pull request #878 from terrelln/adjust

Don't `size -= 1` in ZSTD_adjustCParams()
2017-09-30 14:52:54 -07:00
parent ee1ed78fcb c5d6dde502
commit 96bb29aa14
1 changed files with 1 additions and 1 deletions
@@ -651,7 +651,7 @@ ZSTD_compressionParameters ZSTD_adjustCParams_internal(ZSTD_compressionParameter

    if (dictSize && (srcSize+1<2) /* srcSize unknown */ )
        srcSize = minSrcSize;  /* presumed small when there is a dictionary */
-    else
+    else if (srcSize == 0)
        srcSize -= 1;  /* unknown 0 => -1ULL : presumed large */

    /* resize windowLog if input is small enough, to use less memory */