Created a data producer API and used in decompress_fuzzer

1 files changed, 6 insertions, 1 deletions

diff --git a/ossfuzz/decompress_fuzzer.c b/ossfuzz/decompress_fuzzer.c
index b17783c..49f71b0 100644
--- a/ossfuzz/decompress_fuzzer.c
+++ b/ossfuzz/decompress_fuzzer.c
@@ -14,7 +14,8 @@
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
-    size_t const dstCapacity = FUZZ_produceUint32Range(data, size, 0, 4 * size);
+    FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(data, size);
+    size_t const dstCapacity = FUZZ_dataProducer_uint32(producer, 0, 4 * size);
     size_t const smallDictSize = size + 1;
     size_t const largeDictSize = 64 * 1024 - 1;
     size_t const dictSize = MAX(smallDictSize, largeDictSize);
@@ -24,6 +25,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
     char* const dataAfterDict = dict + dictSize;
     char* const smallDict = dataAfterDict - smallDictSize;
 
+    /* Restrict to remaining data from producer */
+    size = producer->size;
+
     FUZZ_ASSERT(dst);
     FUZZ_ASSERT(dict);
 
@@ -52,6 +56,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
                                 dstCapacity, dstCapacity);
     free(dst);
     free(dict);
+    FUZZ_dataProducer_free(producer);
 
     return 0;
 }