[GWP-ASan] Remove c++ standard lib dependency.
Remove c++ standard library dependency for now for @phosek. They have a
complicated build system that breaks with the fuzzer target here.
Also added a todo to remedy later.
Differential Revision: https://reviews.llvm.org/D66568
llvm-svn: 369606
GitOrigin-RevId: 3dd22585199195d4656154205ab631b8dd406143
diff --git a/stack_trace_compressor_fuzzer.cpp b/stack_trace_compressor_fuzzer.cpp
index aa57fda..a6249ac 100644
--- a/stack_trace_compressor_fuzzer.cpp
+++ b/stack_trace_compressor_fuzzer.cpp
@@ -1,8 +1,7 @@
-#include <cstddef>
-#include <cstdint>
-#include <cstdio>
-#include <cstdlib>
-#include <vector>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
#include "gwp_asan/stack_trace_compressor.h"
@@ -10,23 +9,22 @@
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
size_t BufferSize = kBytesForLargestVarInt * Size / sizeof(uintptr_t);
- std::vector<uint8_t> Buffer(BufferSize);
- std::vector<uint8_t> Buffer2(BufferSize);
+ uint8_t *Buffer = reinterpret_cast<uint8_t *>(malloc(BufferSize));
+ uint8_t *Buffer2 = reinterpret_cast<uint8_t *>(malloc(BufferSize));
// Unpack the fuzz bytes.
gwp_asan::compression::unpack(Data, Size,
- reinterpret_cast<uintptr_t *>(Buffer2.data()),
+ reinterpret_cast<uintptr_t *>(Buffer2),
BufferSize / sizeof(uintptr_t));
// Pack the fuzz bytes.
- size_t BytesWritten = gwp_asan::compression::pack(
- reinterpret_cast<const uintptr_t *>(Data), Size / sizeof(uintptr_t),
- Buffer.data(), BufferSize);
+ size_t BytesWritten =
+ gwp_asan::compression::pack(reinterpret_cast<const uintptr_t *>(Data),
+ Size / sizeof(uintptr_t), Buffer, BufferSize);
// Unpack the compressed buffer.
size_t DecodedElements = gwp_asan::compression::unpack(
- Buffer.data(), BytesWritten,
- reinterpret_cast<uintptr_t *>(Buffer2.data()),
+ Buffer, BytesWritten, reinterpret_cast<uintptr_t *>(Buffer2),
BufferSize / sizeof(uintptr_t));
// Ensure that every element was encoded and decoded properly.
@@ -35,8 +33,7 @@
// Ensure that the compression and uncompression resulted in the same trace.
const uintptr_t *FuzzPtrs = reinterpret_cast<const uintptr_t *>(Data);
- const uintptr_t *DecodedPtrs =
- reinterpret_cast<const uintptr_t *>(Buffer2.data());
+ const uintptr_t *DecodedPtrs = reinterpret_cast<const uintptr_t *>(Buffer2);
for (size_t i = 0; i < Size / sizeof(uintptr_t); ++i) {
if (FuzzPtrs[i] != DecodedPtrs[i]) {
fprintf(stderr, "FuzzPtrs[%zu] != DecodedPtrs[%zu] (0x%zx vs. 0x%zx)", i,