From b52e71191094f564d7b7484b89e47e710bb94bdc Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 2 May 2006 17:12:03 +0000
Subject: * Huge reduction in memory use (2/3 or so on large nix-env -qas  
 operations): share ATermMaps between DrvInfos.

---
 src/libexpr/get-drvs.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/libexpr/get-drvs.hh')

diff --git a/src/libexpr/get-drvs.hh b/src/libexpr/get-drvs.hh
index e692a5c660e1..2b88111b2c84 100644
--- a/src/libexpr/get-drvs.hh
+++ b/src/libexpr/get-drvs.hh
@@ -4,6 +4,8 @@
 #include <string>
 #include <map>
 
+#include <boost/shared_ptr.hpp>
+
 #include "eval.hh"
 
 
@@ -20,7 +22,7 @@ public:
     string name;
     string system;
 
-    ATermMap attrs;
+    shared_ptr<ATermMap> attrs;
 
     string queryDrvPath(EvalState & state) const;
     string queryOutPath(EvalState & state) const;
-- 
cgit 1.4.1