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throw inline functions need to keep exception type 

As it is useful for functions calling BlockchainDB functions to know
whether an exception is expected (attempting to get a block that doesn't
    exist and counting it missing if not, to save time checking if it
    does, for example), the inline functions throw{0,1} need to keep the
exception type information.

Slight comment update due to copy/paste failure.
This commit is contained in:
Thomas Winget 2015-01-09 07:29:05 -05:00
parent 14555eefd5
commit 429a740562
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GPG Key ID: 58131A160789E630
1 changed files with 5 additions and 3 deletions
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8
src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp
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@ -39,13 +39,15 @@ using epee::string_tools::pod_to_hex;
namespace namespace
{ {
inline void throw0(const std::exception &e) template <typename T>
inline void throw0(const T &e)
{ {
LOG_PRINT_L0(e.what()); LOG_PRINT_L0(e.what());
throw e; throw e;
} }
inline void throw1(const std::exception &e) template <typename T>
inline void throw1(const T &e)
{ {
LOG_PRINT_L1(e.what()); LOG_PRINT_L1(e.what());
throw e; throw e;
@ -814,7 +816,7 @@ difficulty_type BlockchainLMDB::get_block_cumulative_difficulty(const uint64_t&
auto get_result = mdb_get(txn, m_block_diffs, &key, &result); auto get_result = mdb_get(txn, m_block_diffs, &key, &result);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(DB_ERROR(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str())); throw0(DB_ERROR(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
} }
else if (get_result) else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db")); throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db"));