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Merge pull request #1140 from jgarzik/sign-compare

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Address many more sign comparison warnings
This commit is contained in:
Jeff Garzik 2012-04-23 21:33:29 -07:00
commit c2e8c8acd8
13 changed files with 74 additions and 64 deletions
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6
src/bignum.h
View File

@ -117,9 +117,9 @@ public:
{
unsigned long n = BN_get_word(this);
if (!BN_is_negative(this))
return (n > std::numeric_limits<int>::max() ? std::numeric_limits<int>::max() : n);
return (n > (unsigned long)std::numeric_limits<int>::max() ? std::numeric_limits<int>::max() : n);
else
return (n > std::numeric_limits<int>::max() ? std::numeric_limits<int>::min() : -(int)n);
return (n > (unsigned long)std::numeric_limits<int>::max() ? std::numeric_limits<int>::min() : -(int)n);
}
void setint64(int64 n)
@ -222,7 +222,7 @@ public:
if (vch.size() > 4)
vch[4] &= 0x7f;
uint256 n = 0;
for (int i = 0, j = vch.size()-1; i < sizeof(n) && j >= 4; i++, j--)
for (unsigned int i = 0, j = vch.size()-1; i < sizeof(n) && j >= 4; i++, j--)
((unsigned char*)&n)[i] = vch[j];
return n;
}

10
src/bitcoinrpc.cpp
View File

@ -999,7 +999,7 @@ Value addmultisigaddress(const Array& params, bool fHelp)
strAccount = AccountFromValue(params[2]);
// Gather public keys
if (nRequired < 1 || keys.size() < nRequired)
if ((nRequired < 1) || ((int)keys.size() < nRequired))
throw runtime_error(
strprintf("wrong number of keys"
"(got %d, need at least %d)", keys.size(), nRequired));
@ -1331,8 +1331,10 @@ Value listtransactions(const Array& params, bool fHelp)
}
// ret is newest to oldest
if (nFrom > ret.size()) nFrom = ret.size();
if (nFrom+nCount > ret.size()) nCount = ret.size()-nFrom;
if (nFrom > (int)ret.size())
nFrom = ret.size();
if ((nFrom + nCount) > (int)ret.size())
nCount = ret.size() - nFrom;
Array::iterator first = ret.begin();
std::advance(first, nFrom);
Array::iterator last = ret.begin();
@ -2202,7 +2204,7 @@ int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRe
// Read header
int nLen = ReadHTTPHeader(stream, mapHeadersRet);
if (nLen < 0 || nLen > MAX_SIZE)
if (nLen < 0 || nLen > (int)MAX_SIZE)
return 500;
// Read message

2
src/db.cpp
View File

@ -648,7 +648,7 @@ bool CTxDB::LoadBlockIndex()
}
}
// check level 4: check whether spent txouts were spent within the main chain
int nOutput = 0;
unsigned int nOutput = 0;
if (nCheckLevel>3)
{
BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent)

43
src/main.cpp
View File

@ -195,9 +195,9 @@ void static EraseOrphanTx(uint256 hash)
mapOrphanTransactions.erase(hash);
}
int LimitOrphanTxSize(int nMaxOrphans)
unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans)
{
int nEvicted = 0;
unsigned int nEvicted = 0;
while (mapOrphanTransactions.size() > nMaxOrphans)
{
// Evict a random orphan:
@ -297,6 +297,8 @@ bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const
if (!Solver(prevScript, whichType, vSolutions))
return false;
int nArgsExpected = ScriptSigArgsExpected(whichType, vSolutions);
if (nArgsExpected < 0)
return false;
// Transactions with extra stuff in their scriptSigs are
// non-standard. Note that this EvalScript() call will
@ -318,20 +320,25 @@ bool CTransaction::AreInputsStandard(const MapPrevTx& mapInputs) const
return false;
if (whichType2 == TX_SCRIPTHASH)
return false;
nArgsExpected += ScriptSigArgsExpected(whichType2, vSolutions2);
int tmpExpected;
tmpExpected = ScriptSigArgsExpected(whichType2, vSolutions2);
if (tmpExpected < 0)
return false;
nArgsExpected += tmpExpected;
}
if (stack.size() != nArgsExpected)
if (stack.size() != (unsigned int)nArgsExpected)
return false;
}
return true;
}
int
unsigned int
CTransaction::GetLegacySigOpCount() const
{
int nSigOps = 0;
unsigned int nSigOps = 0;
BOOST_FOREACH(const CTxIn& txin, vin)
{
nSigOps += txin.scriptSig.GetSigOpCount(false);
@ -369,10 +376,10 @@ int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
hashBlock = pblock->GetHash();
// Locate the transaction
for (nIndex = 0; nIndex < pblock->vtx.size(); nIndex++)
for (nIndex = 0; nIndex < (int)pblock->vtx.size(); nIndex++)
if (pblock->vtx[nIndex] == *(CTransaction*)this)
break;
if (nIndex == pblock->vtx.size())
if (nIndex == (int)pblock->vtx.size())
{
vMerkleBranch.clear();
nIndex = -1;
@ -1079,12 +1086,12 @@ int64 CTransaction::GetValueIn(const MapPrevTx& inputs) const
}
int CTransaction::GetP2SHSigOpCount(const MapPrevTx& inputs) const
unsigned int CTransaction::GetP2SHSigOpCount(const MapPrevTx& inputs) const
{
if (IsCoinBase())
return 0;
int nSigOps = 0;
unsigned int nSigOps = 0;
for (unsigned int i = 0; i < vin.size(); i++)
{
const CTxOut& prevout = GetOutputFor(vin[i], inputs);
@ -1284,7 +1291,7 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex)
map<uint256, CTxIndex> mapQueuedChanges;
int64 nFees = 0;
int nSigOps = 0;
unsigned int nSigOps = 0;
BOOST_FOREACH(CTransaction& tx, vtx)
{
nSigOps += tx.GetLegacySigOpCount();
@ -1645,7 +1652,7 @@ bool CBlock::CheckBlock() const
if (!tx.CheckTransaction())
return DoS(tx.nDoS, error("CheckBlock() : CheckTransaction failed"));
int nSigOps = 0;
unsigned int nSigOps = 0;
BOOST_FOREACH(const CTransaction& tx, vtx)
{
nSigOps += tx.GetLegacySigOpCount();
@ -2583,9 +2590,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
AddOrphanTx(vMsg);
// DoS prevention: do not allow mapOrphanTransactions to grow unbounded
int nEvicted = LimitOrphanTxSize(MAX_ORPHAN_TRANSACTIONS);
unsigned int nEvicted = LimitOrphanTxSize(MAX_ORPHAN_TRANSACTIONS);
if (nEvicted > 0)
printf("mapOrphan overflow, removed %d tx\n", nEvicted);
printf("mapOrphan overflow, removed %u tx\n", nEvicted);
}
if (tx.nDoS) pfrom->Misbehaving(tx.nDoS);
}
@ -2743,7 +2750,7 @@ bool ProcessMessages(CNode* pfrom)
int nHeaderSize = vRecv.GetSerializeSize(CMessageHeader());
if (vRecv.end() - pstart < nHeaderSize)
{
if (vRecv.size() > nHeaderSize)
if ((int)vRecv.size() > nHeaderSize)
{
printf("\n\nPROCESSMESSAGE MESSAGESTART NOT FOUND\n\n");
vRecv.erase(vRecv.begin(), vRecv.end() - nHeaderSize);
@ -3077,7 +3084,7 @@ unsigned int static ScanHash_CryptoPP(char* pmidstate, char* pdata, char* phash1
if ((nNonce & 0xffff) == 0)
{
nHashesDone = 0xffff+1;
return -1;
return (unsigned int) -1;
}
}
}
@ -3209,7 +3216,7 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
continue;
// Legacy limits on sigOps:
int nTxSigOps = tx.GetLegacySigOpCount();
unsigned int nTxSigOps = tx.GetLegacySigOpCount();
if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
continue;
@ -3454,7 +3461,7 @@ void static BitcoinMiner(CWallet *pwallet)
(char*)&hash, nHashesDone);
// Check if something found
if (nNonceFound != -1)
if (nNonceFound != (unsigned int) -1)
{
for (unsigned int i = 0; i < sizeof(hash)/4; i++)
((unsigned int*)&hash)[i] = ByteReverse(((unsigned int*)&hash)[i]);

15
src/main.h
View File

@ -28,8 +28,8 @@ class CNode;
static const unsigned int MAX_BLOCK_SIZE = 1000000;
static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
static const int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
static const int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
static const unsigned int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
static const int64 MIN_TX_FEE = 50000;
static const int64 MIN_RELAY_TX_FEE = 10000;
static const int64 MAX_MONEY = 21000000 * COIN;
@ -437,7 +437,7 @@ public:
nBlockHeight = nBestHeight;
if (nBlockTime == 0)
nBlockTime = GetAdjustedTime();
if ((int64)nLockTime < (nLockTime < LOCKTIME_THRESHOLD ? (int64)nBlockHeight : nBlockTime))
if ((int64)nLockTime < ((int64)nLockTime < LOCKTIME_THRESHOLD ? (int64)nBlockHeight : nBlockTime))
return true;
BOOST_FOREACH(const CTxIn& txin, vin)
if (!txin.IsFinal())
@ -495,7 +495,7 @@ public:
@return number of sigops this transaction's outputs will produce when spent
@see CTransaction::FetchInputs
*/
int GetLegacySigOpCount() const;
unsigned int GetLegacySigOpCount() const;
/** Count ECDSA signature operations in pay-to-script-hash inputs.
@ -503,7 +503,7 @@ public:
@return maximum number of sigops required to validate this transaction's inputs
@see CTransaction::FetchInputs
*/
int GetP2SHSigOpCount(const MapPrevTx& mapInputs) const;
unsigned int GetP2SHSigOpCount(const MapPrevTx& mapInputs) const;
/** Amount of bitcoins spent by this transaction.
@return sum of all outputs (note: does not include fees)
@ -944,9 +944,10 @@ public:
fileout << FLATDATA(pchMessageStart) << nSize;
// Write block
nBlockPosRet = ftell(fileout);
if (nBlockPosRet == -1)
long fileOutPos = ftell(fileout);
if (fileOutPos < 0)
return error("CBlock::WriteToDisk() : ftell failed");
nBlockPosRet = fileOutPos;
fileout << *this;
// Flush stdio buffers and commit to disk before returning

2
src/net.cpp
View File

@ -498,7 +498,7 @@ void ThreadSocketHandler2(void* parg)
{
printf("ThreadSocketHandler started\n");
list<CNode*> vNodesDisconnected;
int nPrevNodeCount = 0;
unsigned int nPrevNodeCount = 0;
loop
{

2
src/protocol.cpp
View File

@ -128,7 +128,7 @@ bool operator<(const CInv& a, const CInv& b)
bool CInv::IsKnownType() const
{
return (type >= 1 && type < ARRAYLEN(ppszTypeName));
return (type >= 1 && type < (int)ARRAYLEN(ppszTypeName));
}
const char* CInv::GetCommand() const

40
src/script.cpp
View File

@ -38,7 +38,7 @@ CBigNum CastToBigNum(const valtype& vch)
bool CastToBool(const valtype& vch)
{
for (int i = 0; i < vch.size(); i++)
for (unsigned int i = 0; i < vch.size(); i++)
{
if (vch[i] != 0)
{
@ -536,7 +536,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
return false;
int n = CastToBigNum(stacktop(-1)).getint();
popstack(stack);
if (n < 0 || n >= stack.size())
if (n < 0 || n >= (int)stack.size())
return false;
valtype vch = stacktop(-n-1);
if (opcode == OP_ROLL)
@ -604,9 +604,9 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
int nEnd = nBegin + CastToBigNum(stacktop(-1)).getint();
if (nBegin < 0 || nEnd < nBegin)
return false;
if (nBegin > vch.size())
if (nBegin > (int)vch.size())
nBegin = vch.size();
if (nEnd > vch.size())
if (nEnd > (int)vch.size())
nEnd = vch.size();
vch.erase(vch.begin() + nEnd, vch.end());
vch.erase(vch.begin(), vch.begin() + nBegin);
@ -625,7 +625,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
int nSize = CastToBigNum(stacktop(-1)).getint();
if (nSize < 0)
return false;
if (nSize > vch.size())
if (nSize > (int)vch.size())
nSize = vch.size();
if (opcode == OP_LEFT)
vch.erase(vch.begin() + nSize, vch.end());
@ -655,7 +655,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
if (stack.size() < 1)
return false;
valtype& vch = stacktop(-1);
for (int i = 0; i < vch.size(); i++)
for (unsigned int i = 0; i < vch.size(); i++)
vch[i] = ~vch[i];
}
break;
@ -672,17 +672,17 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
MakeSameSize(vch1, vch2);
if (opcode == OP_AND)
{
for (int i = 0; i < vch1.size(); i++)
for (unsigned int i = 0; i < vch1.size(); i++)
vch1[i] &= vch2[i];
}
else if (opcode == OP_OR)
{
for (int i = 0; i < vch1.size(); i++)
for (unsigned int i = 0; i < vch1.size(); i++)
vch1[i] |= vch2[i];
}
else if (opcode == OP_XOR)
{
for (int i = 0; i < vch1.size(); i++)
for (unsigned int i = 0; i < vch1.size(); i++)
vch1[i] ^= vch2[i];
}
popstack(stack);
@ -939,7 +939,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
{
// ([sig ...] num_of_signatures [pubkey ...] num_of_pubkeys -- bool)
int i = 1;
unsigned int i = 1;
if (stack.size() < i)
return false;
@ -1050,7 +1050,7 @@ uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int
scriptCode.FindAndDelete(CScript(OP_CODESEPARATOR));
// Blank out other inputs' signatures
for (int i = 0; i < txTmp.vin.size(); i++)
for (unsigned int i = 0; i < txTmp.vin.size(); i++)
txTmp.vin[i].scriptSig = CScript();
txTmp.vin[nIn].scriptSig = scriptCode;
@ -1061,7 +1061,7 @@ uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int
txTmp.vout.clear();
// Let the others update at will
for (int i = 0; i < txTmp.vin.size(); i++)
for (unsigned int i = 0; i < txTmp.vin.size(); i++)
if (i != nIn)
txTmp.vin[i].nSequence = 0;
}
@ -1075,11 +1075,11 @@ uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int
return 1;
}
txTmp.vout.resize(nOut+1);
for (int i = 0; i < nOut; i++)
for (unsigned int i = 0; i < nOut; i++)
txTmp.vout[i].SetNull();
// Let the others update at will
for (int i = 0; i < txTmp.vin.size(); i++)
for (unsigned int i = 0; i < txTmp.vin.size(); i++)
if (i != nIn)
txTmp.vin[i].nSequence = 0;
}
@ -1360,9 +1360,9 @@ bool IsStandard(const CScript& scriptPubKey)
}
int HaveKeys(const vector<valtype>& pubkeys, const CKeyStore& keystore)
unsigned int HaveKeys(const vector<valtype>& pubkeys, const CKeyStore& keystore)
{
int nResult = 0;
unsigned int nResult = 0;
BOOST_FOREACH(const valtype& pubkey, pubkeys)
{
CBitcoinAddress address;
@ -1449,7 +1449,7 @@ bool ExtractAddresses(const CScript& scriptPubKey, txnouttype& typeRet, vector<C
if (typeRet == TX_MULTISIG)
{
nRequiredRet = vSolutions.front()[0];
for (int i = 1; i < vSolutions.size()-1; i++)
for (unsigned int i = 1; i < vSolutions.size()-1; i++)
{
CBitcoinAddress address;
address.SetPubKey(vSolutions[i]);
@ -1566,9 +1566,9 @@ bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsig
return true;
}
int CScript::GetSigOpCount(bool fAccurate) const
unsigned int CScript::GetSigOpCount(bool fAccurate) const
{
int n = 0;
unsigned int n = 0;
const_iterator pc = begin();
opcodetype lastOpcode = OP_INVALIDOPCODE;
while (pc < end())
@ -1590,7 +1590,7 @@ int CScript::GetSigOpCount(bool fAccurate) const
return n;
}
int CScript::GetSigOpCount(const CScript& scriptSig) const
unsigned int CScript::GetSigOpCount(const CScript& scriptSig) const
{
if (!IsPayToScriptHash())
return GetSigOpCount(true);

6
src/script.h
View File

@ -467,7 +467,7 @@ public:
opcodetype opcode;
do
{
while (end() - pc >= b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
while (end() - pc >= (long)b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
{
erase(pc, pc + b.size());
++nFound;
@ -491,11 +491,11 @@ public:
// CHECKMULTISIGs serialized in scriptSigs are
// counted more accurately, assuming they are of the form
// ... OP_N CHECKMULTISIG ...
int GetSigOpCount(bool fAccurate) const;
unsigned int GetSigOpCount(bool fAccurate) const;
// Accurately count sigOps, including sigOps in
// pay-to-script-hash transactions:
int GetSigOpCount(const CScript& scriptSig) const;
unsigned int GetSigOpCount(const CScript& scriptSig) const;
bool IsPayToScriptHash() const;

2
src/test/DoS_tests.cpp
View File

@ -14,7 +14,7 @@
// Tests this internal-to-main.cpp method:
extern void AddOrphanTx(const CDataStream& vMsg);
extern int LimitOrphanTxSize(int nMaxOrphans);
extern unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans);
extern std::map<uint256, CDataStream*> mapOrphanTransactions;
extern std::multimap<uint256, CDataStream*> mapOrphanTransactionsByPrev;

2
src/util.cpp
View File

@ -283,7 +283,7 @@ int my_snprintf(char* buffer, size_t limit, const char* format, ...)
va_start(arg_ptr, format);
int ret = _vsnprintf(buffer, limit, format, arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
if (ret < 0 || ret >= (int)limit)
{
ret = limit - 1;
buffer[limit-1] = 0;

4
src/util.h
View File

@ -579,9 +579,9 @@ template <typename T> class CMedianFilter
private:
std::vector<T> vValues;
std::vector<T> vSorted;
int nSize;
unsigned int nSize;
public:
CMedianFilter(int size, T initial_value):
CMedianFilter(unsigned int size, T initial_value):
nSize(size)
{
vValues.reserve(size);

4
src/wallet.cpp
View File

@ -1391,8 +1391,8 @@ bool CWallet::TopUpKeyPool()
CWalletDB walletdb(strWalletFile);
// Top up key pool
int64 nTargetSize = max(GetArg("-keypool", 100), (int64)0);
while (setKeyPool.size() < nTargetSize+1)
unsigned int nTargetSize = max(GetArg("-keypool", 100), 0LL);
while (setKeyPool.size() < (nTargetSize + 1))
{
int64 nEnd = 1;
if (!setKeyPool.empty())