From 8d651a1f68c018b8a10dd37da81e9d3612073656 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 20 Apr 2021 22:54:49 +0200
Subject: Fix brotli compression of files > 128 KiB

This has been broken since faa31f40846f7a4dbc2487d000b112a6aef69d1b.
---
 src/libutil/compression.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/libutil/compression.cc')

diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc
index 8b50776b3..08812ef57 100644
--- a/src/libutil/compression.cc
+++ b/src/libutil/compression.cc
@@ -28,7 +28,7 @@ struct ChunkedCompressionSink : CompressionSink
         const size_t CHUNK_SIZE = sizeof(outbuf) << 2;
         while (!data.empty()) {
             size_t n = std::min(CHUNK_SIZE, data.size());
-            writeInternal(data);
+            writeInternal(data.substr(0, n));
             data.remove_prefix(n);
         }
     }
@@ -265,7 +265,8 @@ struct BrotliCompressionSink : ChunkedCompressionSink
     }
 };
 
-std::unique_ptr<Source> makeDecompressionSource(Source & prev) {
+std::unique_ptr<Source> makeDecompressionSource(Source & prev)
+{
     return std::unique_ptr<Source>(new ArchiveDecompressionSource(prev));
 }
 
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