fix up some coverity issues
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77286e0bc7
commit
500e508c6d
@ -65,7 +65,6 @@ namespace persistent_data {
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int fd_;
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block_address nr_blocks_;
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mode mode_;
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bool writeable_;
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};
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template <uint32_t BlockSize = MD_BLOCK_SIZE>
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@ -68,15 +68,29 @@ namespace base {
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v_(v) {
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}
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struct {
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value_entry *next_, *prev_;
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} lru_;
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struct lru {
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lru()
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: next_(0),
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prev_(0) {
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}
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value_entry *next_, *prev_;
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};
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struct lookup {
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lookup()
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: parent_(0),
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left_(0),
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right_(0),
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color_() {
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}
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struct {
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value_entry *parent_, *left_, *right_;
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int color_;
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} lookup_;
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};
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lru lru_;
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lookup lookup_;
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unsigned ref_count_;
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value_type v_;
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};
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@ -235,6 +235,7 @@ namespace persistent_data {
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public:
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typedef transaction_manager::read_ref read_ref;
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typedef transaction_manager::write_ref write_ref;
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typedef boost::optional<block_address> maybe_block;
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shadow_spine(transaction_manager::ptr tm,
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block_manager<>::validator::ptr v)
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@ -282,14 +283,17 @@ namespace persistent_data {
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}
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block_address get_root() const {
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return root_;
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if (root_)
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return *root_;
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throw std::runtime_error("shadow spine has no root");
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}
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private:
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transaction_manager::ptr tm_;
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block_manager<>::validator::ptr validator_;
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std::list<block_manager<>::write_ref> spine_;
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block_address root_;
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maybe_block root_;
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};
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// Used to keep a record of a nested btree's position.
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@ -29,6 +29,8 @@ void base::hex_dump(ostream &out, void const *data_, size_t len)
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{
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unsigned char const *data = reinterpret_cast<unsigned char const *>(data_),
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*end = data + len;
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ios_base::fmtflags old_flags = out.flags();
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out << hex;
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while (data < end) {
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@ -36,7 +38,8 @@ void base::hex_dump(ostream &out, void const *data_, size_t len)
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out << setw(2) << setfill('0') << (unsigned) *data << " ";
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out << endl;
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}
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out << dec;
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out.setf(old_flags);
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}
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//----------------------------------------------------------------
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@ -40,6 +40,7 @@ namespace {
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md_sm_(md_sm),
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data_sm_(data_sm),
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in_range_(false),
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time_(),
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found_errors_(false) {
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}
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@ -32,6 +32,7 @@ namespace {
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restorer(metadata::ptr md)
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: md_(md),
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in_superblock_(false),
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nr_data_blocks_(),
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empty_mapping_(new_mapping_tree()) {
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}
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@ -37,6 +37,7 @@ superblock_traits::unpack(superblock_disk const &disk, superblock &value)
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value.metadata_nr_blocks_ = to_cpu<uint64_t>(disk.metadata_nr_blocks_);
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value.compat_flags_ = to_cpu<uint32_t>(disk.compat_flags_);
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value.compat_ro_flags_ = to_cpu<uint32_t>(disk.compat_ro_flags_);
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value.incompat_flags_ = to_cpu<uint32_t>(disk.incompat_flags_);
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}
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@ -70,6 +71,7 @@ superblock_traits::pack(superblock const &value, superblock_disk &disk)
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disk.metadata_nr_blocks_ = to_disk<le64>(value.metadata_nr_blocks_);
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disk.compat_flags_ = to_disk<le32>(value.compat_flags_);
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disk.compat_ro_flags_ = to_disk<le32>(value.compat_ro_flags_);
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disk.incompat_flags_ = to_disk<le32>(value.incompat_flags_);
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}
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@ -216,7 +216,8 @@ namespace {
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class mapping_reporter : public mapping_tree_detail::damage_visitor {
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public:
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mapping_reporter(nested_output &out)
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: out_(out) {
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: out_(out),
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err_(NO_ERROR) {
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}
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virtual void visit(mapping_tree_detail::missing_devices const &d) {
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@ -150,7 +150,14 @@ int main(int argc, char **argv)
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case 1:
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// region
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regions.push_back(parse_region(optarg));
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try {
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regions.push_back(parse_region(optarg));
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} catch (std::exception const &e) {
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cerr << e.what();
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return 1;
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}
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break;
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default:
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