From 56e49a09b4f1d268bfee83324bbcd44eb925815b Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 11 Mar 2020 22:50:15 +0300
Subject: Add readsymlink(), followsymlink(), and try_followsymlink()

---
 libbutl/filesystem.ixx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libbutl/filesystem.ixx')

diff --git a/libbutl/filesystem.ixx b/libbutl/filesystem.ixx
index a0ddc22..f7c3777 100644
--- a/libbutl/filesystem.ixx
+++ b/libbutl/filesystem.ixx
@@ -38,6 +38,17 @@ namespace butl
     return e ? rmdir_status::success : rmdir_status::not_exist;
   }
 
+  inline path
+  followsymlink (const path& p)
+  {
+    std::pair<path, bool> r (try_followsymlink (p));
+
+    if (!r.second)
+      throw_generic_error (ENOENT);
+
+    return std::move (r.first);
+  }
+
   // auto_rm
   //
   template <typename P>
-- 
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