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Make some global variables less-global (static)

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Explicitly make these global variables less-global to reduce the maximum
scope of this global state.

In my experience global variables tend to be a major source of bugs. As
such the less accessible they are the less likely they are to be the
source of a bug.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
This commit is contained in:
Giel van Schijndel 2011-08-11 13:41:01 +02:00
parent 865ed8a1e5
commit 99860de3c9
4 changed files with 4 additions and 19 deletions
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4
src/main.cpp
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@ -22,14 +22,14 @@ set<CWallet*> setpwalletRegistered;
CCriticalSection cs_main;
map<uint256, CTransaction> mapTransactions;
static map<uint256, CTransaction> mapTransactions;
CCriticalSection cs_mapTransactions;
unsigned int nTransactionsUpdated = 0;
map<COutPoint, CInPoint> mapNextTx;
map<uint256, CBlockIndex*> mapBlockIndex;
uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
const int nTotalBlocksEstimate = 134444; // Conservative estimate of total nr of blocks on main chain
const int nInitialBlockThreshold = 120; // Regard blocks up until N-threshold as "initial download"
CBlockIndex* pindexGenesisBlock = NULL;

13
src/main.h
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@ -54,7 +54,6 @@ static const int fHaveUPnP = false;
extern CCriticalSection cs_main;
extern std::map<uint256, CBlockIndex*> mapBlockIndex;
extern uint256 hashGenesisBlock;
extern CBigNum bnProofOfWorkLimit;
extern CBlockIndex* pindexGenesisBlock;
extern int nBestHeight;
extern CBigNum bnBestChainWork;
@ -1558,16 +1557,4 @@ public:
bool ProcessAlert();
};
extern std::map<uint256, CTransaction> mapTransactions;
#endif

4
src/net.cpp
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@ -50,10 +50,10 @@ bool fClient = false;
bool fAllowDNS = false;
uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices);
CNode* pnodeLocalHost = NULL;
static CNode* pnodeLocalHost = NULL;
uint64 nLocalHostNonce = 0;
array<int, 10> vnThreadsRunning;
SOCKET hListenSocket = INVALID_SOCKET;
static SOCKET hListenSocket = INVALID_SOCKET;
vector<CNode*> vNodes;
CCriticalSection cs_vNodes;

2
src/net.h
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@ -476,10 +476,8 @@ extern bool fClient;
extern bool fAllowDNS;
extern uint64 nLocalServices;
extern CAddress addrLocalHost;
extern CNode* pnodeLocalHost;
extern uint64 nLocalHostNonce;
extern boost::array<int, 10> vnThreadsRunning;
extern SOCKET hListenSocket;
extern std::vector<CNode*> vNodes;
extern CCriticalSection cs_vNodes;