forked from OSchip/llvm-project
33 lines
896 B
C++
33 lines
896 B
C++
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
// Source code for a simple DSO.
|
|
|
|
#include <cstdint>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
extern int DSO1(int a);
|
|
extern int DSO2(int a);
|
|
extern int DSOTestExtra(int a);
|
|
|
|
static volatile int *nil = 0;
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
|
|
int x, y, z;
|
|
if (Size < sizeof(int) * 3) {
|
|
x = y = z = 0;
|
|
} else {
|
|
memcpy(&x, Data + 0 * sizeof(int), sizeof(int));
|
|
memcpy(&y, Data + 1 * sizeof(int), sizeof(int));
|
|
memcpy(&z, Data + 2 * sizeof(int), sizeof(int));
|
|
}
|
|
int sum = DSO1(x) + DSO2(y) + (z ? DSOTestExtra(z) : 0);
|
|
if (sum == 3) {
|
|
fprintf(stderr, "BINGO %d %d %d\n", x, y, z);
|
|
*nil = 0;
|
|
}
|
|
return 0;
|
|
}
|