From 0c182785e23b5e266338756cb8ba6efe193eefbf Mon Sep 17 00:00:00 2001
From: "M. Liebmann" <git@tuxcode.de>
Date: Wed, 22 Feb 2017 06:21:21 +0100
Subject: [PATCH] src/system/helpers.cpp: Add function readLink()

---
 src/system/helpers.cpp | 10 ++++++++++
 src/system/helpers.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index e6e4a1e2e..59d64524a 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -1272,3 +1272,13 @@ std::string Lang2ISO639_1(std::string& lang)
 
 	return ret;
 }
+
+string readLink(string lnk)
+{
+	char buf[PATH_MAX];
+	memset(buf, 0, sizeof(buf)-1);
+	if (readlink(lnk.c_str(), buf, sizeof(buf)-1) != -1)
+		return (string)buf;
+
+	return "";
+}
diff --git a/src/system/helpers.h b/src/system/helpers.h
index e117e011e..c7f3ae06a 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -148,5 +148,6 @@ bool split_config_string(const std::string &str, std::map<std::string,std::strin
 
 std::string getJFFS2MountPoint(int mtdPos);
 std::string Lang2ISO639_1(std::string& lang);
+std::string readLink(std::string lnk);
 
 #endif