From d54ace5f0441dccf2ae4e98fffa77adb14b2d04f Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Fri, 12 Jun 2020 21:29:01 +0200
Subject: [PATCH] LibCore: Add Core::File::real_path_for()

A slightly convenient wrapper around realpath(3).
---
 Libraries/LibCore/File.cpp | 11 +++++++++++
 Libraries/LibCore/File.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/Libraries/LibCore/File.cpp b/Libraries/LibCore/File.cpp
index 41056701f0..90c556a063 100644
--- a/Libraries/LibCore/File.cpp
+++ b/Libraries/LibCore/File.cpp
@@ -119,4 +119,15 @@ bool File::exists(const String& filename)
     return stat(filename.characters(), &st) == 0;
 }
 
+String File::real_path_for(const String& filename)
+{
+    if (filename.is_null())
+        return {};
+    auto* path = realpath(filename.characters(), nullptr);
+    String real_path(path);
+    free(path);
+    return real_path;
+}
+
+
 }
diff --git a/Libraries/LibCore/File.h b/Libraries/LibCore/File.h
index 1e443debef..e02f602ee4 100644
--- a/Libraries/LibCore/File.h
+++ b/Libraries/LibCore/File.h
@@ -46,6 +46,7 @@ public:
     static bool is_directory(const String& filename);
 
     static bool exists(const String& filename);
+    static String real_path_for(const String& filename);
 
     virtual bool open(IODevice::OpenMode) override;