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authorEelco Dolstra <e.dolstra@tudelft.nl>2010-11-16T17·11+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2010-11-16T17·11+0000
commita3883cbd28057a3dd2573f77dcda9a26faaac555 (patch)
tree3ad605543e6bba8869f9413fb4f77f73e936cd1a /src/libutil/hash.hh
parentfb9368b5a0b2457b28f19d4902bc0790123338a2 (diff)
* Store the size of a store path in the database (to be precise, the
  size of the NAR serialisation of the path, i.e., `nix-store --dump
  PATH').  This is useful for Hydra.

Diffstat (limited to 'src/libutil/hash.hh')
-rw-r--r--src/libutil/hash.hh7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libutil/hash.hh b/src/libutil/hash.hh
index 81425b23494c..13740954d625 100644
--- a/src/libutil/hash.hh
+++ b/src/libutil/hash.hh
@@ -40,7 +40,6 @@ struct Hash
 
     /* For sorting. */
     bool operator < (const Hash & h) const;
-
 };
 
 
@@ -72,7 +71,8 @@ Hash hashFile(HashType ht, const Path & path);
    (essentially) hashString(ht, dumpPath(path)). */
 struct PathFilter;
 extern PathFilter defaultPathFilter;
-Hash hashPath(HashType ht, const Path & path,
+typedef std::pair<Hash, unsigned long long> HashResult;
+HashResult hashPath(HashType ht, const Path & path,
     PathFilter & filter = defaultPathFilter);
 
 /* Compress a hash to the specified number of bytes by cyclically
@@ -93,13 +93,14 @@ class HashSink : public Sink
 private:
     HashType ht;
     Ctx * ctx;
+    unsigned long long bytes;
 
 public:
     HashSink(HashType ht);
     HashSink(const HashSink & h);
     ~HashSink();
     virtual void operator () (const unsigned char * data, unsigned int len);
-    Hash finish();
+    HashResult finish();
 };