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
|
// Windows/DLL.cpp
#include "StdAfx.h"
#include "DLL.h"
#ifdef _WIN32
#ifndef _UNICODE
extern bool g_IsNT;
#endif
extern HINSTANCE g_hInstance;
namespace NWindows {
namespace NDLL {
bool CLibrary::Free() throw()
{
if (_module == 0)
return true;
if (!::FreeLibrary(_module))
return false;
_module = 0;
return true;
}
bool CLibrary::LoadEx(CFSTR path, DWORD flags) throw()
{
if (!Free())
return false;
#ifndef _UNICODE
if (!g_IsNT)
{
_module = ::LoadLibraryEx(fs2fas(path), NULL, flags);
}
else
#endif
{
_module = ::LoadLibraryExW(fs2us(path), NULL, flags);
}
return (_module != NULL);
}
bool CLibrary::Load(CFSTR path) throw()
{
if (!Free())
return false;
#ifndef _UNICODE
if (!g_IsNT)
{
_module = ::LoadLibrary(fs2fas(path));
}
else
#endif
{
_module = ::LoadLibraryW(fs2us(path));
}
return (_module != NULL);
}
bool MyGetModuleFileName(FString &path)
{
HMODULE hModule = g_hInstance;
path.Empty();
#ifndef _UNICODE
if (!g_IsNT)
{
TCHAR s[MAX_PATH + 2];
s[0] = 0;
DWORD size = ::GetModuleFileName(hModule, s, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
path = fas2fs(s);
return true;
}
}
else
#endif
{
WCHAR s[MAX_PATH + 2];
s[0] = 0;
DWORD size = ::GetModuleFileNameW(hModule, s, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
path = us2fs(s);
return true;
}
}
return false;
}
#ifndef _SFX
FString GetModuleDirPrefix()
{
FString s;
if (MyGetModuleFileName(s))
{
int pos = s.ReverseFind_PathSepar();
if (pos >= 0)
s.DeleteFrom((unsigned)(pos + 1));
}
if (s.IsEmpty())
s = "." STRING_PATH_SEPARATOR;
return s;
}
#endif
}}
#else
#include <dlfcn.h>
#include <stdlib.h>
namespace NWindows {
namespace NDLL {
bool CLibrary::Free() throw()
{
if (_module == NULL)
return true;
int ret = dlclose(_module);
if (ret != 0)
return false;
_module = NULL;
return true;
}
static
// FARPROC
void *
local_GetProcAddress(HMODULE module, LPCSTR procName)
{
void *ptr = NULL;
if (module)
{
ptr = dlsym(module, procName);
}
return ptr;
}
bool CLibrary::Load(CFSTR path) throw()
{
if (!Free())
return false;
int options = 0;
#ifdef RTLD_LOCAL
options |= RTLD_LOCAL;
#endif
#ifdef RTLD_NOW
options |= RTLD_NOW;
#endif
#ifdef RTLD_GROUP
#if ! (defined(hpux) || defined(__hpux))
options |= RTLD_GROUP; // mainly for solaris but not for HPUX
#endif
#endif
void *handler = dlopen(path, options);
if (handler)
{
// here we can transfer some settings to DLL
}
else
{
}
_module = handler;
return (_module != NULL);
}
// FARPROC
void * CLibrary::GetProc(LPCSTR procName) const
{
// return My_GetProcAddress(_module, procName);
return local_GetProcAddress(_module, procName);
// return NULL;
}
}}
#endif
|