linuxMain.okio.LinuxPosixVariant.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Square, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package okio
import kotlinx.cinterop.alloc
import kotlinx.cinterop.memScoped
import kotlinx.cinterop.ptr
import platform.posix.ENOENT
import platform.posix.S_IFDIR
import platform.posix.S_IFMT
import platform.posix.S_IFREG
import platform.posix.errno
import platform.posix.lstat
import platform.posix.stat
internal actual fun PosixFileSystem.variantMetadataOrNull(path: Path): FileMetadata? {
return memScoped {
val stat = alloc()
if (lstat(path.toString(), stat.ptr) != 0) {
if (errno == ENOENT) return null
throw errnoToIOException(errno)
}
return@memScoped FileMetadata(
isRegularFile = stat.st_mode.toInt() and S_IFMT == S_IFREG,
isDirectory = stat.st_mode.toInt() and S_IFMT == S_IFDIR,
symlinkTarget = symlinkTarget(stat, path),
size = stat.st_size,
createdAtMillis = stat.st_ctim.epochMillis,
lastModifiedAtMillis = stat.st_mtim.epochMillis,
lastAccessedAtMillis = stat.st_atim.epochMillis,
)
}
}