77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
#include "hb-fuzzer.hh"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include "hb.h"
|
|
|
|
enum set_operation_t : uint8_t
|
|
{
|
|
INTERSECT = 0,
|
|
UNION = 1,
|
|
SUBTRACT = 2,
|
|
SYMMETRIC_DIFFERENCE = 3
|
|
};
|
|
|
|
struct instructions_t
|
|
{
|
|
set_operation_t operation;
|
|
uint32_t first_set_size;
|
|
};
|
|
|
|
static hb_set_t *create_set (const uint32_t *value_array, int count)
|
|
{
|
|
hb_set_t *set = hb_set_create ();
|
|
for (int i = 0; i < count; i++)
|
|
hb_set_add (set, value_array[i]);
|
|
return set;
|
|
}
|
|
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
|
|
{
|
|
if (size < sizeof (instructions_t))
|
|
return 0;
|
|
|
|
const instructions_t &instructions = reinterpret_cast<const instructions_t &> (data);
|
|
data += sizeof (instructions_t);
|
|
size -= sizeof (instructions_t);
|
|
|
|
const uint32_t *values = reinterpret_cast<const uint32_t *> (data);
|
|
size = size / sizeof (uint32_t);
|
|
|
|
if (size < instructions.first_set_size)
|
|
return 0;
|
|
|
|
hb_set_t *set_a = create_set (values, instructions.first_set_size);
|
|
|
|
values += instructions.first_set_size;
|
|
size -= instructions.first_set_size;
|
|
hb_set_t *set_b = create_set (values, size);
|
|
|
|
switch (instructions.operation)
|
|
{
|
|
case INTERSECT:
|
|
hb_set_intersect (set_a, set_b);
|
|
break;
|
|
case UNION:
|
|
hb_set_union (set_a, set_b);
|
|
break;
|
|
case SUBTRACT:
|
|
hb_set_subtract (set_a, set_b);
|
|
break;
|
|
case SYMMETRIC_DIFFERENCE:
|
|
hb_set_symmetric_difference (set_a, set_b);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
hb_set_destroy (set_a);
|
|
hb_set_destroy (set_b);
|
|
|
|
return 0;
|
|
}
|