From 1b34b15e6bd1a2148a2338535c7ad764ebb39d7c Mon Sep 17 00:00:00 2001
From: senhuang42 <senhuang96@fb.com>
Date: Fri, 21 Aug 2020 17:49:30 -0400
Subject: [PATCH] Adding CLI capability to invoke decompression with no
 checksum

---
 programs/fileio.c | 4 ++++
 tests/fuzzer.c    | 3 ---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/programs/fileio.c b/programs/fileio.c
index d5b8a7d1..491740c9 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -1754,6 +1754,10 @@ static dRess_t FIO_createDResources(FIO_prefs_t* const prefs, const char* dictFi
     if (ress.dctx==NULL)
         EXM_THROW(60, "Error: %s : can't create ZSTD_DStream", strerror(errno));
     CHECK( ZSTD_DCtx_setMaxWindowSize(ress.dctx, prefs->memLimit) );
+    if (!prefs->checksumFlag) {
+        DISPLAY("Ignoring checksums...");
+        CHECK( ZSTD_DCtx_setForceIgnoreChecksum(ress.dctx, 1 /* ZSTD_d_ignoreChecksum */));
+    }
     ress.srcBufferSize = ZSTD_DStreamInSize();
     ress.srcBuffer = malloc(ress.srcBufferSize);
     ress.dstBufferSize = ZSTD_DStreamOutSize();
diff --git a/tests/fuzzer.c b/tests/fuzzer.c
index cb68ca5d..8ac2864f 100644
--- a/tests/fuzzer.c
+++ b/tests/fuzzer.c
@@ -2354,9 +2354,6 @@ static int basicUnitTests(U32 const seed, double compressibility)
         {   size_t const sr = ZSTD_DCtx_setParameter(dctx, ZSTD_d_format, (ZSTD_format_e)888);
             if (!ZSTD_isError(sr)) goto _output_error;
         }
-        {   size_t const sr = ZSTD_DCtx_setParameter(dctx, ZSTD_d_forceIgnoreChecksum, (ZSTD_forceIgnoreChecksum_e)888);
-            if (!ZSTD_isError(sr)) goto _output_error;
-        }
         DISPLAYLEVEL(3, "OK \n");
 
         ZSTD_freeDCtx(dctx);