1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * SPDX-License-Identifier: GPL-2.0
4 *
5 * Legacy blkg rwstat helpers enabled by CONFIG_BLK_CGROUP_RWSTAT.
6 * Do not use in new code.
7 *
8 * Unless required by applicable law or agreed to in writing, software
9 * distributed under the License is distributed on an "AS IS" BASIS,
10 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 * See the License for the specific language governing permissions and
12 * limitations under the License.
13 */
14
15 #include <cstddef>
16 #include <fcntl.h>
17 #include <unistd.h>
18 #include <cstdint>
19 #include "memorycommon.h"
20
21 namespace OHOS {
MemoryFuzzTest(const uint8_t * data,size_t size,const char * pathname)22 bool MemoryFuzzTest(const uint8_t *data, size_t size, const char *pathname)
23 {
24 uint32_t value = 0;
25
26 int fd = open(pathname, O_RDWR);
27 if (fd < 0) {
28 return false;
29 }
30
31 int ret = read(fd, &value, sizeof(value));
32 if (ret < 0) {
33 close(fd);
34 return false;
35 }
36
37 ret = write(fd, data, size);
38 if (ret < 0) {
39 close(fd);
40 return false;
41 }
42
43 close(fd);
44 return true;
45 }
46 }