1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <cerrno>
17#include <cstring>
18#include <securec.h>
19
20#include "utils/file.h"
21#include "utils/log.h"
22
23bool RealPath(const char *path, char *resolvedPath, size_t bufferSize)
24{
25    if (path == nullptr || resolvedPath == nullptr) {
26        return false;
27    }
28    size_t pathLen = strlen(path);
29    if (pathLen == 0 || pathLen > PATH_MAX) {
30        HILOG_WARN("File path is illeage");
31        return false;
32    }
33    char buffer[PATH_MAX + 1] = { 0 };
34    if (realpath(path, buffer) == NULL) {
35        // Maybe file does not exist.
36        HILOG_WARN("File path: %{public}s full path failure", path);
37        return false;
38    }
39    if (strcpy_s(resolvedPath, bufferSize - 1, buffer) != 0) {
40        return false;
41    }
42    return true;
43}