From 67ccdbe3843026cd5f33122d3173b930fadd2c03 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sun, 9 Feb 2020 11:50:18 +0100
Subject: [PATCH] LibCore: Add File::is_directory() helpers

---
 Libraries/LibCore/File.cpp | 17 +++++++++++++++++
 Libraries/LibCore/File.h   |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/Libraries/LibCore/File.cpp b/Libraries/LibCore/File.cpp
index e5058f8dfb..f12443ad2a 100644
--- a/Libraries/LibCore/File.cpp
+++ b/Libraries/LibCore/File.cpp
@@ -28,6 +28,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 namespace Core {
@@ -83,4 +84,20 @@ bool File::open(IODevice::OpenMode mode)
     return true;
 }
 
+bool File::is_directory() const
+{
+    struct stat stat;
+    if (fstat(fd(), &stat) < 0)
+        return false;
+    return S_ISDIR(stat.st_mode);
+}
+
+bool File::is_directory(const String& filename)
+{
+    struct stat st;
+    if (stat(filename.characters(), &st) < 0)
+        return false;
+    return S_ISDIR(st.st_mode);
+}
+
 }
diff --git a/Libraries/LibCore/File.h b/Libraries/LibCore/File.h
index fd99805f85..51876e738a 100644
--- a/Libraries/LibCore/File.h
+++ b/Libraries/LibCore/File.h
@@ -39,6 +39,9 @@ public:
     String filename() const { return m_filename; }
     void set_filename(const StringView& filename) { m_filename = filename; }
 
+    bool is_directory() const;
+    static bool is_directory(const String& filename);
+
     virtual bool open(IODevice::OpenMode) override;
 
     enum class ShouldCloseFileDescription {