1 // Copyright (C) 2021 The Android Open Source Project
2 //
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 #include <ditto/logger.h>
16 #include <sys/param.h>
17 #include <sys/stat.h>
18 #include <cstring>
19
20 #include <ditto/utils.h>
21
operator ==(const pthread_mutex_t & a,const pthread_mutex_t & b)22 bool operator==(const pthread_mutex_t& a, const pthread_mutex_t& b) {
23 return 0 == memcmp(&a, &b, sizeof(pthread_mutex_t));
24 }
25
26 namespace dittosuite {
27
GetFileSize(SyscallInterface & syscall,int fd)28 int64_t GetFileSize(SyscallInterface& syscall, int fd) {
29 struct stat64 sb;
30 if (syscall.FStat(fd, &sb) == -1) {
31 PLOGF("Error while calling fstat() to get file size");
32 }
33 return sb.st_size;
34 }
35
GetFilePath(SyscallInterface & syscall,int fd)36 std::string GetFilePath(SyscallInterface& syscall, int fd) {
37 char file_path[PATH_MAX];
38 if (syscall.ReadLink("/proc/self/fd/" + std::to_string(fd), file_path, sizeof(file_path)) == -1) {
39 PLOGF("Error while calling readlink() to get file path");
40 }
41 return std::string(file_path);
42 }
43
FileExists(SyscallInterface & syscall,const std::string & path_name)44 bool FileExists(SyscallInterface& syscall, const std::string& path_name) {
45 return syscall.Access(path_name, F_OK) != -1;
46 }
47
48 } // namespace dittosuite
49