1 files changed, 7 insertions, 2 deletions
diff --git a/ossfuzz/round_trip_hc_fuzzer.c b/ossfuzz/round_trip_hc_fuzzer.c
index 325cdf0e..7d03ee2d 100644
--- a/ossfuzz/round_trip_hc_fuzzer.c
+++ b/ossfuzz/round_trip_hc_fuzzer.c
@@ -9,16 +9,20 @@
 #include <string.h>
 
 #include "fuzz_helpers.h"
+#include "fuzz_data_producer.h"
 #include "lz4.h"
 #include "lz4hc.h"
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
-    uint32_t seed = FUZZ_seed(&data, &size);
+    FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(data, size);
+    int const level = FUZZ_dataProducer_range32(producer,
+        LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
+    size = FUZZ_dataProducer_remainingBytes(producer);
+
     size_t const dstCapacity = LZ4_compressBound(size);
     char* const dst = (char*)malloc(dstCapacity);
     char* const rt = (char*)malloc(size);
-    int const level = FUZZ_rand32(&seed, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
 
     FUZZ_ASSERT(dst);
     FUZZ_ASSERT(rt);
@@ -34,6 +38,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 
     free(dst);
     free(rt);
+    FUZZ_dataProducer_free(producer);
 
     return 0;
 }