Mercurial > hg > bitcoin
changeset 1594:e79944b2d430 draft
Use std::numeric_limits<> for typesafe INT_MAX/etc
author | Gavin Andresen <gavinandresen@gmail.com> |
---|---|
date | Mon, 19 Dec 2011 17:08:25 -0500 |
parents | 3a0e9ed784d4 |
children | 03f14234645a |
files | src/bignum.h src/bitcoinrpc.cpp src/headers.h src/main.cpp src/main.h src/net.cpp src/protocol.cpp src/qt/optionsmodel.cpp src/qt/transactionrecord.cpp src/serialize.h src/util.cpp src/util.h src/wallet.cpp |
diffstat | 13 files changed, 26 insertions(+), 34 deletions(-) [+] |
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--- a/src/bignum.h +++ b/src/bignum.h @@ -115,9 +115,9 @@ { unsigned long n = BN_get_word(this); if (!BN_is_negative(this)) - return (n > INT_MAX ? INT_MAX : n); + return (n > std::numeric_limits<int>::max() ? std::numeric_limits<int>::max() : n); else - return (n > INT_MAX ? INT_MIN : -(int)n); + return (n > std::numeric_limits<int>::max() ? std::numeric_limits<int>::min() : -(int)n); } void setint64(int64 n)
--- a/src/bitcoinrpc.cpp +++ b/src/bitcoinrpc.cpp @@ -950,7 +950,7 @@ tallyitem() { nAmount = 0; - nConf = INT_MAX; + nConf = std::numeric_limits<int>::max(); } }; @@ -1002,7 +1002,7 @@ continue; int64 nAmount = 0; - int nConf = INT_MAX; + int nConf = std::numeric_limits<int>::max(); if (it != mapTally.end()) { nAmount = (*it).second.nAmount; @@ -1021,7 +1021,7 @@ obj.push_back(Pair("address", address.ToString())); obj.push_back(Pair("account", strAccount)); obj.push_back(Pair("amount", ValueFromAmount(nAmount))); - obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf))); + obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf))); ret.push_back(obj); } } @@ -1035,7 +1035,7 @@ Object obj; obj.push_back(Pair("account", (*it).first)); obj.push_back(Pair("amount", ValueFromAmount(nAmount))); - obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf))); + obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf))); ret.push_back(obj); } }
--- a/src/headers.h +++ b/src/headers.h @@ -21,9 +21,6 @@ // Include boost/foreach here as it defines __STDC_LIMIT_MACROS on some systems. #include <boost/foreach.hpp> -#ifndef __STDC_LIMIT_MACROS -#define __STDC_LIMIT_MACROS // to enable UINT64_MAX from stdint.h -#endif #if (defined(__unix__) || defined(unix)) && !defined(USG) #include <sys/param.h> // to get BSD define @@ -44,7 +41,6 @@ #include <stdlib.h> #include <time.h> #include <math.h> -#include <limits.h> #include <float.h> #include <assert.h> #include <iostream>
--- a/src/main.cpp +++ b/src/main.cpp @@ -366,7 +366,7 @@ return DoS(100, error("AcceptToMemoryPool() : coinbase as individual tx")); // To help v0.1.5 clients who would see it as a negative number - if ((int64)nLockTime > INT_MAX) + if ((int64)nLockTime > std::numeric_limits<int>::max()) return error("AcceptToMemoryPool() : not accepting nLockTime beyond 2038 yet"); // Safety limits
--- a/src/main.h +++ b/src/main.h @@ -258,17 +258,17 @@ CTxIn() { - nSequence = UINT_MAX; + nSequence = std::numeric_limits<unsigned int>::max(); } - explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX) + explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=std::numeric_limits<unsigned int>::max()) { prevout = prevoutIn; scriptSig = scriptSigIn; nSequence = nSequenceIn; } - CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX) + CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=std::numeric_limits<unsigned int>::max()) { prevout = COutPoint(hashPrevTx, nOut); scriptSig = scriptSigIn; @@ -284,7 +284,7 @@ bool IsFinal() const { - return (nSequence == UINT_MAX); + return (nSequence == std::numeric_limits<unsigned int>::max()); } friend bool operator==(const CTxIn& a, const CTxIn& b) @@ -308,7 +308,7 @@ str += strprintf(", coinbase %s", HexStr(scriptSig).c_str()); else str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str()); - if (nSequence != UINT_MAX) + if (nSequence != std::numeric_limits<unsigned int>::max()) str += strprintf(", nSequence=%u", nSequence); str += ")"; return str; @@ -468,7 +468,7 @@ return false; bool fNewer = false; - unsigned int nLowest = UINT_MAX; + unsigned int nLowest = std::numeric_limits<unsigned int>::max(); for (int i = 0; i < vin.size(); i++) { if (vin[i].nSequence != old.vin[i].nSequence)
--- a/src/net.cpp +++ b/src/net.cpp @@ -249,8 +249,8 @@ else pszColon[0] = 0; port = portParsed; - if (port < 0 || port > USHRT_MAX) - port = USHRT_MAX; + if (port < 0 || port > std::numeric_limits<unsigned short>::max()) + port = std::numeric_limits<unsigned short>::max(); } } @@ -1488,7 +1488,7 @@ // Choose an address to connect to based on most recently seen // CAddress addrConnect; - int64 nBest = INT64_MIN; + int64 nBest = std::numeric_limits<int64>::min(); // Only connect to one address per a.b.?.? range. // Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
--- a/src/protocol.cpp +++ b/src/protocol.cpp @@ -223,7 +223,7 @@ if (memcmp(pchReserved, pchIPv4+3, sizeof(pchIPv4)-3) == 0) return false; - return (ip != 0 && ip != INADDR_NONE && port != htons(USHRT_MAX)); + return (ip != 0 && ip != INADDR_NONE && port != htons(std::numeric_limits<unsigned short>::max())); } unsigned char CAddress::GetByte(int n) const
--- a/src/qt/optionsmodel.cpp +++ b/src/qt/optionsmodel.cpp @@ -101,7 +101,7 @@ case ProxyPort: { int nPort = atoi(value.toString().toAscii().data()); - if (nPort > 0 && nPort < USHRT_MAX) + if (nPort > 0 && nPort < std::numeric_limits<unsigned short>::max()) { addrProxy.port = htons(nPort); walletdb.WriteSetting("addrProxy", addrProxy);
--- a/src/qt/transactionrecord.cpp +++ b/src/qt/transactionrecord.cpp @@ -187,7 +187,7 @@ // Sort order, unrecorded transactions sort to the top status.sortKey = strprintf("%010d-%01d-%010u-%03d", - (pindex ? pindex->nHeight : INT_MAX), + (pindex ? pindex->nHeight : std::numeric_limits<int>::max()), (wtx.IsCoinBase() ? 1 : 0), wtx.nTimeReceived, idx);
--- a/src/serialize.h +++ b/src/serialize.h @@ -189,8 +189,8 @@ inline unsigned int GetSizeOfCompactSize(uint64 nSize) { if (nSize < 253) return sizeof(unsigned char); - else if (nSize <= USHRT_MAX) return sizeof(unsigned char) + sizeof(unsigned short); - else if (nSize <= UINT_MAX) return sizeof(unsigned char) + sizeof(unsigned int); + else if (nSize <= std::numeric_limits<unsigned short>::max()) return sizeof(unsigned char) + sizeof(unsigned short); + else if (nSize <= std::numeric_limits<unsigned int>::max()) return sizeof(unsigned char) + sizeof(unsigned int); else return sizeof(unsigned char) + sizeof(uint64); } @@ -202,14 +202,14 @@ unsigned char chSize = nSize; WRITEDATA(os, chSize); } - else if (nSize <= USHRT_MAX) + else if (nSize <= std::numeric_limits<unsigned short>::max()) { unsigned char chSize = 253; unsigned short xSize = nSize; WRITEDATA(os, chSize); WRITEDATA(os, xSize); } - else if (nSize <= UINT_MAX) + else if (nSize <= std::numeric_limits<unsigned int>::max()) { unsigned char chSize = 254; unsigned int xSize = nSize;
--- a/src/util.cpp +++ b/src/util.cpp @@ -133,7 +133,7 @@ // The range of the random source must be a multiple of the modulus // to give every possible output value an equal possibility - uint64 nRange = (UINT64_MAX / nMax) * nMax; + uint64 nRange = (std::numeric_limits<uint64>::max() / nMax) * nMax; uint64 nRand = 0; do RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
--- a/src/util.h +++ b/src/util.h @@ -73,11 +73,7 @@ #ifdef WIN32 #define MSG_NOSIGNAL 0 #define MSG_DONTWAIT 0 -#ifndef UINT64_MAX -#define UINT64_MAX _UI64_MAX -#define INT64_MAX _I64_MAX -#define INT64_MIN _I64_MIN -#endif + #ifndef S_IRUSR #define S_IRUSR 0400 #define S_IWUSR 0200
--- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -782,7 +782,7 @@ // List of values less than target pair<int64, pair<const CWalletTx*,unsigned int> > coinLowestLarger; - coinLowestLarger.first = INT64_MAX; + coinLowestLarger.first = std::numeric_limits<int64>::max(); coinLowestLarger.second.first = NULL; vector<pair<int64, pair<const CWalletTx*,unsigned int> > > vValue; int64 nTotalLower = 0;