fuzz: migrate bdiff fuzzer to use FuzzedDataProvider
Differential Revision: https://phab.mercurial-scm.org/D7368
--- a/contrib/fuzz/bdiff.cc Mon Nov 11 16:14:35 2019 -0500
+++ b/contrib/fuzz/bdiff.cc Mon Nov 11 14:48:30 2019 -0500
@@ -9,22 +9,20 @@
#include <memory>
#include <stdlib.h>
-#include "fuzzutil.h"
+#include <fuzzer/FuzzedDataProvider.h>
extern "C" {
#include "bdiff.h"
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
- auto maybe_inputs = SplitInputs(Data, Size);
- if (!maybe_inputs) {
- return 0;
- }
- auto inputs = std::move(maybe_inputs.value());
+ FuzzedDataProvider provider(Data, Size);
+ std::string left = provider.ConsumeRandomLengthString(Size);
+ std::string right = provider.ConsumeRemainingBytesAsString();
struct bdiff_line *a, *b;
- int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a);
- int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b);
+ int an = bdiff_splitlines(left.c_str(), left.size(), &a);
+ int bn = bdiff_splitlines(right.c_str(), right.size(), &b);
struct bdiff_hunk l;
bdiff_diff(a, an, b, bn, &l);
free(a);