From 077e95da852189601fcc156fda9ec8f4a64887cb Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 24 Mar 2015 21:58:36 +0100
Subject: system/FileDescriptor: add method Tell()

---
 src/system/FileDescriptor.hxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/system/FileDescriptor.hxx b/src/system/FileDescriptor.hxx
index c366f3cc0..75a76844c 100644
--- a/src/system/FileDescriptor.hxx
+++ b/src/system/FileDescriptor.hxx
@@ -146,6 +146,11 @@ public:
 		return lseek(Get(), offset, SEEK_SET);
 	}
 
+	gcc_pure
+	off_t Tell() const {
+		return lseek(Get(), 0, SEEK_CUR);
+	}
+
 	/**
 	 * Returns the size of the file in bytes, or -1 on error.
 	 */
-- 
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