fuzz: migrate xdiff fuzzer to use FuzzedDataProvider
Differential Revision: https://phab.mercurial-scm.org/D7369
--- a/contrib/fuzz/xdiff.cc Mon Nov 11 14:48:30 2019 -0500
+++ b/contrib/fuzz/xdiff.cc Mon Nov 11 16:37:18 2019 -0500
@@ -10,7 +10,7 @@
#include <inttypes.h>
#include <stdlib.h>
-#include "fuzzutil.h"
+#include <fuzzer/FuzzedDataProvider.h>
extern "C" {
@@ -27,17 +27,15 @@
if (Size > 100000) {
return 0;
}
- 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();
mmfile_t a, b;
- a.ptr = inputs.left.get();
- a.size = inputs.left_size;
- b.ptr = inputs.right.get();
- b.size = inputs.right_size;
+ a.ptr = (char *)left.c_str();
+ a.size = left.size();
+ b.ptr = (char *)right.c_str();
+ b.size = right.size();
xpparam_t xpp = {
XDF_INDENT_HEURISTIC, /* flags */
};