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Diffstat (limited to 'shared/zstring.cpp')
| -rw-r--r-- | shared/zstring.cpp | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/shared/zstring.cpp b/shared/zstring.cpp deleted file mode 100644 index 45762000..00000000 --- a/shared/zstring.cpp +++ /dev/null @@ -1,249 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) * -// ************************************************************************** - -#include "zstring.h" -#include <stdexcept> -#include <boost/thread/once.hpp> - -#ifdef FFS_WIN -#include <wx/msw/wrapwin.h> //includes "windows.h" -#undef min -#undef max -#include "dll_loader.h" -#endif //FFS_WIN - -#ifndef NDEBUG -#include <wx/string.h> -#include <iostream> -#include <cstdlib> -#endif - - -#ifndef NDEBUG -LeakChecker::~LeakChecker() -{ - if (activeStrings.size() > 0) - { - int rowCount = 0; - std::string leakingStrings; - - for (VoidPtrSizeMap::const_iterator i = activeStrings.begin(); - i != activeStrings.end() && ++rowCount <= 20; - ++i) - leakingStrings += "\"" + rawMemToString(i->first, i->second) + "\"\n"; - - const std::string message = std::string("Memory leak detected!") + "\n\n" - + "Candidates:\n" + leakingStrings; -#ifdef FFS_WIN - MessageBoxA(NULL, message.c_str(), "Error", 0); -#else - std::cerr << message; - std::abort(); -#endif - } -} - - -LeakChecker& LeakChecker::instance() -{ - static LeakChecker inst; - return inst; -} - -//caveat: function scope static initialization is not thread-safe in VS 2010! => make sure to call at app start! -namespace -{ -struct Dummy { Dummy() { LeakChecker::instance(); }} blah; -} - - -std::string LeakChecker::rawMemToString(const void* ptr, size_t size) -{ - std::string output = std::string(reinterpret_cast<const char*>(ptr), size); - output.erase(std::remove(output.begin(), output.end(), 0), output.end()); //remove intermediate 0-termination - if (output.size() > 100) - output.resize(100); - return output; -} - - -void LeakChecker::reportProblem(const std::string& message) //throw (std::logic_error) -{ -#ifdef FFS_WIN - ::MessageBoxA(NULL, message.c_str(), "Error", 0); -#else - std::cerr << message; -#endif - throw std::logic_error("Memory leak! " + message); -} -#endif //NDEBUG - - -#ifdef FFS_WIN -namespace -{ -bool hasInvariantLocale() -{ - OSVERSIONINFO osvi = {}; - osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - - //invariant locale has been introduced with XP - if (GetVersionEx(&osvi)) - return osvi.dwMajorVersion > 5 || - (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion >= 1); //XP has majorVersion == 5, minorVersion == 1 - //overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx - return false; -} - -#ifndef LOCALE_INVARIANT -#define LOCALE_INVARIANT 0x007f -#endif - - -//warning: LOCALE_INVARIANT is NOT available with Windows 2000, so we have to make yet another distinction... -const LCID ZSTRING_INVARIANT_LOCALE = hasInvariantLocale() ? - LOCALE_INVARIANT : - MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT); //see: http://msdn.microsoft.com/en-us/goglobal/bb688122.aspx - - -//try to call "CompareStringOrdinal" for low-level string comparison: unfortunately available not before Windows Vista! -//by a factor ~3 faster than old string comparison using "LCMapString" -typedef int (WINAPI* CompareStringOrdinalFunc)(LPCWSTR lpString1, - int cchCount1, - LPCWSTR lpString2, - int cchCount2, - BOOL bIgnoreCase); -util::DllFun<CompareStringOrdinalFunc> ordinalCompare; //caveat: function scope static initialization is not thread-safe in VS 2010! -boost::once_flag initCmpStrOrdOnce = BOOST_ONCE_INIT; -} - - -int z_impl::compareFilenamesWin(const wchar_t* a, const wchar_t* b, size_t sizeA, size_t sizeB) -{ - boost::call_once(initCmpStrOrdOnce, []() { ordinalCompare = util::DllFun<CompareStringOrdinalFunc>(L"kernel32.dll", "CompareStringOrdinal"); }); - - if (ordinalCompare) //this additional test has no noticeable performance impact - { - const int rv = ordinalCompare(a, //pointer to first string - static_cast<int>(sizeA), //size, in bytes or characters, of first string - b, //pointer to second string - static_cast<int>(sizeB), //size, in bytes or characters, of second string - true); //ignore case - if (rv == 0) - throw std::runtime_error("Error comparing strings (ordinal)!"); - else - return rv - 2; //convert to C-style string compare result - } - else //fallback - { - //do NOT use "CompareString"; this function is NOT accurate (even with LOCALE_INVARIANT and SORT_STRINGSORT): for example "weiß" == "weiss"!!! - //the only reliable way to compare filenames (with XP) is to call "CharUpper" or "LCMapString": - - const size_t minSize = std::min(sizeA, sizeB); - - if (minSize == 0) //LCMapString does not allow input sizes of 0! - return static_cast<int>(sizeA) - static_cast<int>(sizeB); - - int rv = 0; //always initialize... - if (minSize <= 5000) //performance optimization: stack - { - wchar_t bufferA[5000]; - wchar_t bufferB[5000]; - - if (::LCMapString( //faster than CharUpperBuff + wmemcpy or CharUpper + wmemcpy and same speed like ::CompareString() - ZSTRING_INVARIANT_LOCALE, //__in LCID Locale, - LCMAP_UPPERCASE, //__in DWORD dwMapFlags, - a, //__in LPCTSTR lpSrcStr, - static_cast<int>(minSize), //__in int cchSrc, - bufferA, //__out LPTSTR lpDestStr, - 5000 //__in int cchDest - ) == 0) - throw std::runtime_error("Error comparing strings! (LCMapString)"); - - if (::LCMapString(ZSTRING_INVARIANT_LOCALE, LCMAP_UPPERCASE, b, static_cast<int>(minSize), bufferB, 5000) == 0) - throw std::runtime_error("Error comparing strings! (LCMapString)"); - - rv = ::wmemcmp(bufferA, bufferB, minSize); - } - else //use freestore - { - std::vector<wchar_t> bufferA(minSize); - std::vector<wchar_t> bufferB(minSize); - - if (::LCMapString(ZSTRING_INVARIANT_LOCALE, LCMAP_UPPERCASE, a, static_cast<int>(minSize), &bufferA[0], static_cast<int>(minSize)) == 0) - throw std::runtime_error("Error comparing strings! (LCMapString: FS)"); - - if (::LCMapString(ZSTRING_INVARIANT_LOCALE, LCMAP_UPPERCASE, b, static_cast<int>(minSize), &bufferB[0], static_cast<int>(minSize)) == 0) - throw std::runtime_error("Error comparing strings! (LCMapString: FS)"); - - rv = ::wmemcmp(&bufferA[0], &bufferB[0], minSize); - } - - return rv == 0 ? - static_cast<int>(sizeA) - static_cast<int>(sizeB) : - rv; - } - - // const int rv = CompareString( - // invariantLocale, //locale independent - // NORM_IGNORECASE | SORT_STRINGSORT, //comparison-style options - // a, //pointer to first string - // aCount, //size, in bytes or characters, of first string - // b, //pointer to second string - // bCount); //size, in bytes or characters, of second string - // - // if (rv == 0) - // throw std::runtime_error("Error comparing strings!"); - // else - // return rv - 2; //convert to C-style string compare result -} - - -void z_impl::makeUpperCaseWin(wchar_t* str, size_t size) -{ - if (size == 0) //LCMapString does not allow input sizes of 0! - return; - - //use Windows' upper case conversion: faster than ::CharUpper() - if (::LCMapString(ZSTRING_INVARIANT_LOCALE, LCMAP_UPPERCASE, str, static_cast<int>(size), str, static_cast<int>(size)) == 0) - throw std::runtime_error("Error converting to upper case! (LCMapString)"); -} - - -/* -#include <fstream> - extern std::wofstream statShared; -extern std::wofstream statLowCapacity; -extern std::wofstream statOverwrite; - -std::wstring p(ptr); -p.erase(std::remove(p.begin(), p.end(), L'\n'), p.end()); -p.erase(std::remove(p.begin(), p.end(), L','), p.end()); - - if (descr(ptr)->refCount > 1) - statShared << - minCapacity << L"," << - descr(ptr)->refCount << L"," << - descr(ptr)->length << L"," << - descr(ptr)->capacity << L"," << - p << L"\n"; -else if (minCapacity > descr(ptr)->capacity) - statLowCapacity << - minCapacity << L"," << - descr(ptr)->refCount << L"," << - descr(ptr)->length << L"," << - descr(ptr)->capacity << L"," << - p << L"\n"; -else - statOverwrite << - minCapacity << L"," << - descr(ptr)->refCount << L"," << - descr(ptr)->length << L"," << - descr(ptr)->capacity << L"," << - p << L"\n"; -*/ - -#endif //FFS_WIN |