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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-04-15 15:11:34 +0200
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-04-15 15:39:48 +0200
commitd1b0909894a302540f979d904dd378af1cad620c (patch)
tree691ec2d838e4449897549a537145971d9b12a3d5 /src/libstore/binary-cache-store.hh
parent99851c6f06c80fe2222c5e5fcef963804e907170 (diff)
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.
Diffstat (limited to 'src/libstore/binary-cache-store.hh')
-rw-r--r--src/libstore/binary-cache-store.hh4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstore/binary-cache-store.hh b/src/libstore/binary-cache-store.hh
index 9e7b0ad9a..55bba6278 100644
--- a/src/libstore/binary-cache-store.hh
+++ b/src/libstore/binary-cache-store.hh
@@ -39,7 +39,9 @@ protected:
virtual void upsertFile(const std::string & path, const std::string & data) = 0;
- virtual std::string getFile(const std::string & path) = 0;
+ /* Return the contents of the specified file, or null if it
+ doesn't exist. */
+ virtual std::shared_ptr<std::string> getFile(const std::string & path) = 0;
public: