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prefer const string& over char* in CDB and CWalletDB constructor

- also make parameter of CDBEnv::CheckpointLSN a constant reference
0.10
Philip Kaufmann 10 years ago
parent
commit
22d7e7014f
  1. 16
      src/db.cpp
  2. 6
      src/db.h
  3. 2
      src/walletdb.h

16
src/db.cpp

@ -215,7 +215,7 @@ bool CDBEnv::Salvage(std::string strFile, bool fAggressive, @@ -215,7 +215,7 @@ bool CDBEnv::Salvage(std::string strFile, bool fAggressive,
}
void CDBEnv::CheckpointLSN(std::string strFile)
void CDBEnv::CheckpointLSN(const std::string& strFile)
{
dbenv.txn_checkpoint(0, 0, 0);
if (fMockDb)
@ -224,12 +224,12 @@ void CDBEnv::CheckpointLSN(std::string strFile) @@ -224,12 +224,12 @@ void CDBEnv::CheckpointLSN(std::string strFile)
}
CDB::CDB(const char *pszFile, const char* pszMode) :
CDB::CDB(const std::string& strFilename, const char* pszMode) :
pdb(NULL), activeTxn(NULL)
{
int ret;
fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
if (pszFile == NULL)
if (strFilename.empty())
return;
bool fCreate = strchr(pszMode, 'c') != NULL;
@ -242,7 +242,7 @@ CDB::CDB(const char *pszFile, const char* pszMode) : @@ -242,7 +242,7 @@ CDB::CDB(const char *pszFile, const char* pszMode) :
if (!bitdb.Open(GetDataDir()))
throw runtime_error("CDB : Failed to open database environment.");
strFile = pszFile;
strFile = strFilename;
++bitdb.mapFileUseCount[strFile];
pdb = bitdb.mapDb[strFile];
if (pdb == NULL)
@ -255,12 +255,12 @@ CDB::CDB(const char *pszFile, const char* pszMode) : @@ -255,12 +255,12 @@ CDB::CDB(const char *pszFile, const char* pszMode) :
DbMpoolFile*mpf = pdb->get_mpf();
ret = mpf->set_flags(DB_MPOOL_NOFILE, 1);
if (ret != 0)
throw runtime_error(strprintf("CDB : Failed to configure for no temp file backing for database %s", pszFile));
throw runtime_error(strprintf("CDB : Failed to configure for no temp file backing for database %s", strFile));
}
ret = pdb->open(NULL, // Txn pointer
fMockDb ? NULL : pszFile, // Filename
fMockDb ? pszFile : "main", // Logical db name
fMockDb ? NULL : strFile.c_str(), // Filename
fMockDb ? strFile.c_str() : "main", // Logical db name
DB_BTREE, // Database type
nFlags, // Flags
0);
@ -271,7 +271,7 @@ CDB::CDB(const char *pszFile, const char* pszMode) : @@ -271,7 +271,7 @@ CDB::CDB(const char *pszFile, const char* pszMode) :
pdb = NULL;
--bitdb.mapFileUseCount[strFile];
strFile = "";
throw runtime_error(strprintf("CDB : Error %d, can't open database %s", ret, pszFile));
throw runtime_error(strprintf("CDB : Error %d, can't open database %s", ret, strFile));
}
if (fCreate && !Exists(string("version")))

6
src/db.h

@ -69,7 +69,7 @@ public: @@ -69,7 +69,7 @@ public:
bool Open(const boost::filesystem::path &path);
void Close();
void Flush(bool fShutdown);
void CheckpointLSN(std::string strFile);
void CheckpointLSN(const std::string& strFile);
void CloseDb(const std::string& strFile);
bool RemoveDb(const std::string& strFile);
@ -96,11 +96,13 @@ protected: @@ -96,11 +96,13 @@ protected:
DbTxn *activeTxn;
bool fReadOnly;
explicit CDB(const char* pszFile, const char* pszMode="r+");
explicit CDB(const std::string& strFilename, const char* pszMode="r+");
~CDB() { Close(); }
public:
void Flush();
void Close();
private:
CDB(const CDB&);
void operator=(const CDB&);

2
src/walletdb.h

@ -75,7 +75,7 @@ public: @@ -75,7 +75,7 @@ public:
class CWalletDB : public CDB
{
public:
CWalletDB(std::string strFilename, const char* pszMode="r+") : CDB(strFilename.c_str(), pszMode)
CWalletDB(const std::string& strFilename, const char* pszMode = "r+") : CDB(strFilename, pszMode)
{
}
private:

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