From d1b0909894a302540f979d904dd378af1cad620c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 15 Apr 2016 15:11:34 +0200
Subject: BinaryCacheStore::readFile(): Return a shared_ptr to a string

This allows readFile() to indicate that a file doesn't exist, and
might eliminate some large string copying.
---
 src/libutil/compression.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/libutil/compression.hh')

diff --git a/src/libutil/compression.hh b/src/libutil/compression.hh
index eb1697fc4aa4..79a796db7756 100644
--- a/src/libutil/compression.hh
+++ b/src/libutil/compression.hh
@@ -1,11 +1,13 @@
 #pragma once
 
+#include "ref.hh"
+
 #include <string>
 
 namespace nix {
 
 std::string compressXZ(const std::string & in);
 
-std::string decompressXZ(const std::string & in);
+ref<std::string> decompressXZ(const std::string & in);
 
 }
-- 
cgit 1.4.1