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Better error handling for ZSTD decompressor

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This commit is contained in:
Marcus Holland-Moritz 2020-12-14 00:37:36 +01:00
parent 1dc20e6ce1
commit 61ab5daa47
1 changed files with 10 additions and 2 deletions
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12
src/dwarfs/block_compressor.cpp
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@ -635,13 +635,20 @@ class zstd_block_decompressor : public block_decompressor::impl {
compression_type type() const override { return compression_type::ZSTD; }
bool decompress_frame(size_t /*frame_size*/) override {
if (!error_.empty()) {
DWARFS_THROW(runtime_error, error_);
}
decompressed_.resize(uncompressed_size_);
auto rv = ZSTD_decompress(decompressed_.data(), decompressed_.size(), data_,
size_);
if (ZSTD_isError(rv)) {
DWARFS_THROW(runtime_error,
fmt::format("ZSTD: {}", ZSTD_getErrorName(rv)));
decompressed_.clear();
error_ = fmt::format("ZSTD: {}", ZSTD_getErrorName(rv));
DWARFS_THROW(runtime_error, error_);
}
return true;
}
@ -652,6 +659,7 @@ class zstd_block_decompressor : public block_decompressor::impl {
const uint8_t* const data_;
const size_t size_;
const size_t uncompressed_size_;
std::string error_;
};
#endif