Merge changes I545679fe,I3e56eb1a into main am: 57b848e746

Original change: https://android-review.googlesource.com/c/platform/external/okio/+/2896086

Change-Id: I75ad47533852b6536bbe2061d3daddecc6c9bbd4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/okio/src/linuxMain/kotlin/okio/LinuxPosixVariant.kt b/okio/src/linuxMain/kotlin/okio/LinuxPosixVariant.kt
new file mode 100644
index 00000000..168d0ddc
--- /dev/null
+++ b/okio/src/linuxMain/kotlin/okio/LinuxPosixVariant.kt
@@ -0,0 +1,46 @@
+/*
+ * 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<stat>()
+    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,
+    )
+  }
+}