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fix(3p/nix/hash): initialize HashSink.ctx

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Fixup for CL 1492 (addcba11b0)

Additionally, add a test to verify functionality of HashSink.

Change-Id: I2a74b925a1b93ed4d3add29021d759c93e813424
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1507
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>
This commit is contained in:
Kane York 2020-07-31 16:28:04 -07:00 • committed by kanepyork
parent f41324db8c
commit 2a292c71f4
2 changed files with 22 additions and 1 deletions
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5
third_party/nix/src/libutil/hash.cc vendored
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@ -361,7 +361,10 @@ Hash hashFile(HashType ht, const Path& path) {
return hash;
}
HashSink::HashSink(HashType ht) : ht(ht), ctx(), bytes(0) { start(ht, *ctx); }
HashSink::HashSink(HashType ht)
: ht(ht), ctx(std::make_unique<hash::Ctx>()), bytes(0) {
start(ht, *ctx);
}
HashSink::~HashSink() { bufPos = 0; }