1 /*
2 * Copyright (C) 2020 Square, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package okio
17
18 import kotlinx.cinterop.alloc
19 import kotlinx.cinterop.memScoped
20 import kotlinx.cinterop.ptr
21 import platform.posix.ENOENT
22 import platform.posix.S_IFDIR
23 import platform.posix.S_IFMT
24 import platform.posix.S_IFREG
25 import platform.posix.errno
26 import platform.posix.lstat
27 import platform.posix.stat
28
variantMetadataOrNullnull29 internal actual fun PosixFileSystem.variantMetadataOrNull(path: Path): FileMetadata? {
30 return memScoped {
31 val stat = alloc<stat>()
32 if (lstat(path.toString(), stat.ptr) != 0) {
33 if (errno == ENOENT) return null
34 throw errnoToIOException(errno)
35 }
36 return@memScoped FileMetadata(
37 isRegularFile = stat.st_mode.toInt() and S_IFMT == S_IFREG,
38 isDirectory = stat.st_mode.toInt() and S_IFMT == S_IFDIR,
39 symlinkTarget = symlinkTarget(stat, path),
40 size = stat.st_size,
41 createdAtMillis = stat.st_ctim.epochMillis,
42 lastModifiedAtMillis = stat.st_mtim.epochMillis,
43 lastAccessedAtMillis = stat.st_atim.epochMillis,
44 )
45 }
46 }
47