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authorEelco Dolstra <e.dolstra@tudelft.nl>2010-03-09T14·32+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2010-03-09T14·32+0000
commit4c356acd044dffbf459ac895b483b49959042931 (patch)
treef5a9d5ee7f9092a860e28415287de0cb0ac37cf4 /src/libutil/hash.hh
parent44f6e6de77dd318800775d594b1f33cffa2be9a5 (diff)
* In `nix-store --export', abort if the contents of a path has
  changed.  This prevents corrupt paths from spreading to other
  machines.  Note that checking the hash is cheap because we're
  hashing anyway (because of the --sign feature).

Diffstat (limited to 'src/libutil/hash.hh')
-rw-r--r--src/libutil/hash.hh3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libutil/hash.hh b/src/libutil/hash.hh
index 062d97254bfc..81425b23494c 100644
--- a/src/libutil/hash.hh
+++ b/src/libutil/hash.hh
@@ -96,6 +96,7 @@ private:
 
 public:
     HashSink(HashType ht);
+    HashSink(const HashSink & h);
     ~HashSink();
     virtual void operator () (const unsigned char * data, unsigned int len);
     Hash finish();
@@ -104,5 +105,5 @@ public:
 
 }
 
-    
+
 #endif /* !__HASH_H */