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Merge "BrotliDecompressionSource: don't bail out too early" into main

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Ilya K 2024-06-20 07:06:52 +00:00 committed by Gerrit Code Review
parent 6c29a2a6fc 7d52d74bbe
commit 697ef65c14
2 changed files with 24 additions and 13 deletions
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7
src/libutil/compression.cc
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@ -163,12 +163,15 @@ struct BrotliDecompressionSource : Source
uint8_t * out = (uint8_t *) data;
const auto * begin = out;
try {
while (len && !BrotliDecoderIsFinished(state.get())) {
checkInterrupt();
while (avail_in == 0) {
try {
avail_in = inner->read(buf.get(), BUF_SIZE);
} catch (EndOfFile &) {
break;
}
next_in = (const uint8_t *) buf.get();
}
@ -179,8 +182,6 @@ struct BrotliDecompressionSource : Source
throw CompressionError("error while decompressing brotli file");
}
}
} catch (EndOfFile &) {
}
if (begin != out) {
return out - begin;

10
tests/unit/libutil/compression.cc
View file

@ -66,6 +66,16 @@ namespace nix {
ASSERT_THROW(decompress(method, str), CompressionError);
}
TEST(decompress, veryLongBrotli) {
auto method = "br";
auto str = std::string(65536, 'a');
auto o = decompress(method, compress(method, str));
// This is just to not print 64k of "a" for most failures
ASSERT_EQ(o.length(), str.length());
ASSERT_EQ(o, str);
}
/* ----------------------------------------------------------------------------
* compression sinks
* --------------------------------------------------------------------------*/