1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
// **************************************************************************
// * 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) 2008-2010 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#include "zstring.h"
#include <stdexcept>
#ifdef FFS_WIN
#include <wx/msw/wrapwin.h> //includes "windows.h"
#undef min
#undef max
#include "dll_loader.h"
#include <boost/scoped_array.hpp>
#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;
}
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
}
int z_impl::compareFilenamesWin(const wchar_t* a, const wchar_t* b, size_t sizeA, size_t sizeB)
{
//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);
static const CompareStringOrdinalFunc ordinalCompare = util::getDllFun<CompareStringOrdinalFunc>(L"kernel32.dll", "CompareStringOrdinal");
if (ordinalCompare != NULL) //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
{
boost::scoped_array<wchar_t> bufferA(new wchar_t[minSize]);
boost::scoped_array<wchar_t> bufferB(new wchar_t[minSize]);
if (::LCMapString(ZSTRING_INVARIANT_LOCALE, LCMAP_UPPERCASE, a, static_cast<int>(minSize), bufferA.get(), 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.get(), static_cast<int>(minSize)) == 0)
throw std::runtime_error("Error comparing strings! (LCMapString: FS)");
rv = ::wmemcmp(bufferA.get(), bufferB.get(), 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
|
