added protection : MT incompatible with Static allocation

2017-06-15 18:03:34 -07:00
parent bb0aaf9579
commit 05ae4b2190
2 changed files with 4 additions and 1 deletions
@@ -339,6 +339,8 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned v
        if (value > 1) return ERROR(compressionParameter_unsupported);
 #endif
        if ((value>1) && (cctx->nbThreads != value)) {
+            if (cctx->staticSize)  /* MT not compatible with static alloc */
+                return ERROR(compressionParameter_unsupported);
            ZSTDMT_freeCCtx(cctx->mtctx);
            cctx->nbThreads = value;
            cctx->mtctx = ZSTDMT_createCCtx(value);