diff options
Diffstat (limited to 'src/libutil')
-rw-r--r-- | src/libutil/hash.cc | 10 | ||||
-rw-r--r-- | src/libutil/hash.hh | 7 |
2 files changed, 11 insertions, 6 deletions
diff --git a/src/libutil/hash.cc b/src/libutil/hash.cc index bd7e33a48e70..b9e7846992f6 100644 --- a/src/libutil/hash.cc +++ b/src/libutil/hash.cc @@ -286,12 +286,14 @@ Hash hashFile(HashType ht, const Path & path) HashSink::HashSink(HashType ht) : ht(ht) { ctx = new Ctx; + bytes = 0; start(ht, *ctx); } HashSink::HashSink(const HashSink & h) { ht = h.ht; + bytes = h.bytes; ctx = new Ctx; *ctx = *h.ctx; } @@ -304,18 +306,20 @@ HashSink::~HashSink() void HashSink::operator () (const unsigned char * data, unsigned int len) { + bytes += len; update(ht, *ctx, data, len); } -Hash HashSink::finish() +HashResult HashSink::finish() { Hash hash(ht); nix::finish(ht, *ctx, hash.hash); - return hash; + return HashResult(hash, bytes); } -Hash hashPath(HashType ht, const Path & path, PathFilter & filter) +HashResult hashPath( + HashType ht, const Path & path, PathFilter & filter) { HashSink sink(ht); dumpPath(path, sink, filter); 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(); }; |