mirror of
https://github.com/openharmony/kernel_linux_build.git
synced 2026-07-20 19:27:08 -04:00
wenfei
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* SPDX-License-Identifier: GPL-2.0
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*
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* Legacy blkg rwstat helpers enabled by CONFIG_BLK_CGROUP_RWSTAT.
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* Do not use in new code.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cstddef>
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#include <fcntl.h>
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#include <unistd.h>
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#include <cstdint>
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#include <cstdlib>
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#include "hccommon.h"
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namespace OHOS {
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bool HcFuzzTest(const uint8_t *data, const char *pathname, size_t size)
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{
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uint32_t value = 0;
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uint32_t length = size > sizeof(uint32_t) ? sizeof(uint32_t) : size;
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int ret = access("/mnt/f2fs_mount/", F_OK);
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if (ret < 0) {
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system("mkdir -p /mnt/f2fs_mount/");
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system("mkfs.f2fs -d1 -t1 -O quota /data/image_f2fs");
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system("losetup /dev/block/loop1 /data/image_f2fs");
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system("mount -t f2fs /dev/block/loop1 /mnt/f2fs_mount/");
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}
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int fd = open(pathname, O_RDWR);
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if (fd < 0) {
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return false;
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}
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ret = read(fd, &value, sizeof(value));
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if (ret < 0) {
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close(fd);
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return false;
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}
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ret = write(fd, data, length);
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if (ret < 0) {
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close(fd);
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return false;
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}
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close(fd);
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return true;
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}
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} |