<NME> util.h
<BEF> // Copyright (c) 2009-2010 Satoshi Nakamoto
// 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.

/**
 * Server/client environment: argument handling, config file parsing,
 * logging, thread wrappers
 */
#ifndef BITCOIN_UTIL_H
#define BITCOIN_UTIL_H
#define for_loop                for (;;)

#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif

#include "compat.h"
#include "tinyformat.h"
#include "utiltime.h"

#include <atomic>
#include <exception>
#include <map>
#include <stdint.h>
#include <string>
#include <unordered_map>
#include <vector>

#include <boost/filesystem/path.hpp>
#include <boost/signals2/signal.hpp>
#include <boost/thread/exceptions.hpp>
#include <boost/optional.hpp>

#include <boost/bind/bind.hpp>
// workaround for boost::placeholders namespace missing during use
namespace boost { namespace placeholders {}}
using namespace boost::placeholders;

static const bool DEFAULT_LOGTIMEMICROS = false;
static const bool DEFAULT_LOGIPS        = false;
static const bool DEFAULT_LOGTIMESTAMPS = true;

/** Signals for translation. */
class CTranslationInterface
{
public:
    /** Translate a message to the native language of the user. */
    boost::signals2::signal<std::string (const char* psz)> Translate;
};
extern bool fMasternodeMode;
extern bool fLiteMode;
extern int nWalletBackups;

extern const std::map<std::string, std::vector<std::string> >& mapMultiArgs;
extern bool fDebug;
extern bool fPrintToConsole;
extern bool fPrintToDebugLog;
extern bool fNoDebug;

extern bool fLogTimestamps;
extern bool fLogTimeMicros;
extern bool fLogIPs;
extern std::atomic<bool> fReopenDebugLog;
extern CTranslationInterface translationInterface;

/** Flag to indicate, whether the Elysium log file should be reopened. */
extern std::atomic<bool> fReopenElysiumLog;

extern const char * const BITCOIN_CONF_FILENAME;
extern const char * const BITCOIN_PID_FILENAME;

extern bool fSkipMnpayoutCheck;

/**
 * Translation function: Call Translate signal on UI interface, which returns a boost::optional result.
 * If no translation slot is registered, nothing is returned, and simply return the input.
 */
inline std::string _(const char* psz)
{
    boost::optional<std::string> rv = translationInterface.Translate(psz);
    return rv ? (*rv) : psz;
}

inline int roundint(double d)
{
    return (int)(d > 0 ? d + 0.5 : d - 0.5);
}

inline int64_t roundint64(double d)
{
    return (int64_t)(d > 0 ? d + 0.5 : d - 0.5);
}

void SetupEnvironment();
bool SetupNetworking();

/** Return true if log accepts specified category */
bool LogAcceptCategory(const char* category);
/** Send a string to the log output */
int LogPrintStr(const std::string &str);

#define LogPrint(category, ...) do { \
    if (LogAcceptCategory((category))) { \
        LogPrintStr(tfm::format(__VA_ARGS__)); \
    } \
} while(0)

#define LogPrintf(...) do { \
    LogPrintStr(tfm::format(__VA_ARGS__)); \
} while(0)

template<typename... Args>
bool error(const char* fmt, const Args&... args)
{
    LogPrintStr("ERROR: " + tfm::format(fmt, args...) + "\n");
    return false;
}

void PrintExceptionContinue(const std::exception_ptr pex, const char* pszThread);
void ParseParameters(int argc, const char*const argv[]);
void FileCommit(FILE *file);
bool TruncateFile(FILE *file, unsigned int length);
int RaiseFileDescriptorLimit(int nMinFD);
void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length);
bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest);
bool TryCreateDirectory(const boost::filesystem::path& p);
boost::filesystem::path GetDefaultDataDirForCoinName(const std::string &coinName);
boost::filesystem::path GetDefaultDataDir();
const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);
const boost::filesystem::path &GetBackupsDir();
bool RenameDirectoriesFromZcoinToFiro();
void ClearDatadirCache();
boost::filesystem::path GetConfigFile(const std::string& confPath);
#ifndef WIN32
boost::filesystem::path GetPidFile();
void CreatePidFile(const boost::filesystem::path &path, pid_t pid);
#endif
void ReadConfigFile(const std::string& confPath);
#ifdef WIN32
boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate = true);
#endif
void OpenDebugLog();
void ShrinkDebugFile();
void runCommand(const std::string& strCommand);

inline bool IsSwitchChar(char c)
{
#ifdef WIN32
    return c == '-' || c == '/';
#else
    return c == '-';
#endif
}

/**
 * Return true if the given argument has been manually set
 *
 * @param strArg Argument to get (e.g. "-foo")
 * @return true if the argument has been set
 */
bool IsArgSet(const std::string& strArg);

/**
 * Return string argument or default value
 *
 * @param strArg Argument to get (e.g. "-foo")
 * @param default (e.g. "1")
 * @return command-line argument or default value
 */
std::string GetArg(const std::string& strArg, const std::string& strDefault);

/**
 * Return integer argument or default value
 *
 * @param strArg Argument to get (e.g. "-foo")
 * @param default (e.g. 1)
 * @return command-line argument (0 if invalid number) or default value
 */
int64_t GetArg(const std::string& strArg, int64_t nDefault);

/**
 * Return boolean argument or default value
 *
 * @param strArg Argument to get (e.g. "-foo")
 * @param default (true or false)
 * @return command-line argument or default value
 */
bool GetBoolArg(const std::string& strArg, bool fDefault);

/**
 * Return boost:optional<bool> for a specified argument
 *
 * @param strArg Argument to get (e.g. "-foo")
 * @return command-line argument or default value
bool WildcardMatch(const std::string& str, const std::string& mask);
void FileCommit(FILE *fileout);
int GetFilesize(FILE* file);
bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest);
boost::filesystem::path GetDefaultDataDir();
const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);
 * @param strValue Value (e.g. "1")
 * @return true if argument gets set, false if it already had a value
 */
bool SoftSetArg(const std::string& strArg, const std::string& strValue);

/**
 * Set a boolean argument if it doesn't already have a value
 *
 * @param strArg Argument to set (e.g. "-foo")
 * @param fValue Value (e.g. false)
 * @return true if argument gets set, false if it already had a value
 */
bool SoftSetBoolArg(const std::string& strArg, bool fValue);

// Forces a arg setting, used only in testing
void ForceSetArg(const std::string& strArg, const std::string& strValue);

/**
 * Format a string to be used as group of options in help messages
 *
 * @param message Group name (e.g. "RPC server options:")
 * @return the formatted string
 */
std::string HelpMessageGroup(const std::string& message);

/**
 * Format a string to be used as option description in help messages
 *
 * @param option Option message (e.g. "-rpcuser=<user>")
 * @param message Option description (e.g. "Username for JSON-RPC connections")
 * @return the formatted string
 */
std::string HelpMessageOpt(const std::string& option, const std::string& message);

/**
 * Return the number of physical cores available on the current system.
 * @note This does not count virtual cores, such as those provided by HyperThreading
 * when boost is newer than 1.56.
 */
int GetNumCores();
void SetThreadPriority(int nPriority);

void RenameThread(const char* name);
std::string GetThreadName();

namespace ctpl {
    class thread_pool;
}
void RenameThreadPool(ctpl::thread_pool& tp, const char* baseName);


/**
 * .. and a wrapper that just calls func once
 */
template <typename Callable> void TraceThread(const char* name,  Callable func)
{
    std::string s = strprintf("firo-%s", name);
    RenameThread(s.c_str());
    try
    {
        LogPrintf("%s thread start\n", name);
        func();
        LogPrintf("%s thread exit\n", name);
    }
    catch (const boost::thread_interrupted&)
    {
        LogPrintf("%s thread interrupt\n", name);
        throw;
    }
    catch (...) {
        PrintExceptionContinue(std::current_exception(), name);
        throw;
    }
}

std::string CopyrightHolders(const std::string& strPrefix);

#endif // BITCOIN_UTIL_H

<MSG> Merge pull request #1677 from sipa/ultraprune

Ultraprune: use a pruned-txout-set database for block validation
<DFF> @@ -196,6 +196,7 @@ bool WildcardMatch(const char* psz, const char* mask);
 bool WildcardMatch(const std::string& str, const std::string& mask);
 void FileCommit(FILE *fileout);
 int GetFilesize(FILE* file);
+void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length);
 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest);
 boost::filesystem::path GetDefaultDataDir();
 const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);

{'addition_count': 1, 'commit_subject': 'Merge pull request #1677 from sipa/ultraprune', 'deletion_count': 0, 'file_extension': '.h', 'lang': 'h', 'license': 'mit', 'repo_name': 'zcoinofficial/zcoin'}