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authorlangerhans <[email protected]>2019-06-09 19:49:48 +0200
committerlangerhans <[email protected]>2019-06-09 19:51:03 +0200
commitd278efaccdc45e7155147d2c86a50f193eafdc07 (patch)
tree05cf92afa059fafff80e460c1619edd5bec231b3 /src/wallet/db.cpp
parentRevert "Change fPIE to fPIC (#1420)" (#1447) (diff)
parentMark 1.14 ready for release (diff)
downloaddiscoin-d278efaccdc45e7155147d2c86a50f193eafdc07.tar.xz
discoin-d278efaccdc45e7155147d2c86a50f193eafdc07.zip
Merge branch '1.14-branding'
Diffstat (limited to 'src/wallet/db.cpp')
-rw-r--r--src/wallet/db.cpp55
1 files changed, 34 insertions, 21 deletions
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index e5bc653c3..7d1b429b3 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -24,9 +24,6 @@
using namespace std;
-unsigned int nWalletDBUpdated;
-
-
//
// CDB
//
@@ -43,7 +40,7 @@ void CDBEnv::EnvShutdown()
if (ret != 0)
LogPrintf("CDBEnv::EnvShutdown: Error %d shutting down database environment: %s\n", ret, DbEnv::strerror(ret));
if (!fMockDb)
- DbEnv(0).remove(strPath.c_str(), 0);
+ DbEnv((u_int32_t)0).remove(strPath.c_str(), 0);
}
void CDBEnv::Reset()
@@ -85,7 +82,7 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
LogPrintf("CDBEnv::Open: LogDir=%s ErrorFile=%s\n", pathLogDir.string(), pathErrorFile.string());
unsigned int nEnvFlags = 0;
- if (GetBoolArg("-privdb", true))
+ if (GetBoolArg("-privdb", DEFAULT_WALLET_PRIVDB))
nEnvFlags |= DB_PRIVATE;
dbenv->set_lg_dir(pathLogDir.string().c_str());
@@ -165,6 +162,11 @@ CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, bool (*recoverFu
return (fRecovered ? RECOVER_OK : RECOVER_FAIL);
}
+/* End of headers, beginning of key/value data */
+static const char *HEADER_END = "HEADER=END";
+/* End of key/value data */
+static const char *DATA_END = "DATA=END";
+
bool CDBEnv::Salvage(const std::string& strFile, bool fAggressive, std::vector<CDBEnv::KeyValPair>& vResult)
{
LOCK(cs_db);
@@ -193,24 +195,35 @@ bool CDBEnv::Salvage(const std::string& strFile, bool fAggressive, std::vector<C
// Format of bdb dump is ascii lines:
// header lines...
// HEADER=END
- // hexadecimal key
- // hexadecimal value
- // ... repeated
+ // hexadecimal key
+ // hexadecimal value
+ // ... repeated
// DATA=END
string strLine;
- while (!strDump.eof() && strLine != "HEADER=END")
+ while (!strDump.eof() && strLine != HEADER_END)
getline(strDump, strLine); // Skip past header
std::string keyHex, valueHex;
- while (!strDump.eof() && keyHex != "DATA=END") {
+ while (!strDump.eof() && keyHex != DATA_END) {
getline(strDump, keyHex);
- if (keyHex != "DATA_END") {
+ if (keyHex != DATA_END) {
+ if (strDump.eof())
+ break;
getline(strDump, valueHex);
+ if (valueHex == DATA_END) {
+ LogPrintf("CDBEnv::Salvage: WARNING: Number of keys in data does not match number of values.\n");
+ break;
+ }
vResult.push_back(make_pair(ParseHex(keyHex), ParseHex(valueHex)));
}
}
+ if (keyHex != DATA_END) {
+ LogPrintf("CDBEnv::Salvage: WARNING: Unexpected end of file while reading salvage output.\n");
+ return false;
+ }
+
return (result == 0);
}
@@ -268,7 +281,7 @@ CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnClose
pdb = NULL;
--bitdb.mapFileUseCount[strFile];
strFile = "";
- throw runtime_error(strprintf("CDB: Error %d, can't open database %s", ret, strFile));
+ throw runtime_error(strprintf("CDB: Error %d, can't open database %s", ret, strFilename));
}
if (fCreate && !Exists(string("version"))) {
@@ -293,7 +306,7 @@ void CDB::Flush()
if (fReadOnly)
nMinutes = 1;
- bitdb.dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100) * 1024 : 0, nMinutes, 0);
+ bitdb.dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", DEFAULT_WALLET_DBLOGSIZE) * 1024 : 0, nMinutes, 0);
}
void CDB::Close()
@@ -371,25 +384,25 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
while (fSuccess) {
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
- int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
- if (ret == DB_NOTFOUND) {
+ int ret1 = db.ReadAtCursor(pcursor, ssKey, ssValue);
+ if (ret1 == DB_NOTFOUND) {
pcursor->close();
break;
- } else if (ret != 0) {
+ } else if (ret1 != 0) {
pcursor->close();
fSuccess = false;
break;
}
if (pszSkip &&
- strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
+ strncmp(ssKey.data(), pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
continue;
- if (strncmp(&ssKey[0], "\x07version", 8) == 0) {
+ if (strncmp(ssKey.data(), "\x07version", 8) == 0) {
// Update version:
ssValue.clear();
ssValue << CLIENT_VERSION;
}
- Dbt datKey(&ssKey[0], ssKey.size());
- Dbt datValue(&ssValue[0], ssValue.size());
+ Dbt datKey(ssKey.data(), ssKey.size());
+ Dbt datValue(ssValue.data(), ssValue.size());
int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
if (ret2 > 0)
fSuccess = false;