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
|
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : dynamiclibrary.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
# include "precompiled_header.h"
#include "dynamiclibrary.h"
#if defined(__WXMAC__) || defined(__WXGTK__)
# include <dlfcn.h>
#endif
clDynamicLibrary::clDynamicLibrary()
#if defined(__WXMAC__) || defined(__WXGTK__)
:
m_dllhandle(NULL)
#endif
{
}
clDynamicLibrary::~clDynamicLibrary()
{
#if defined(__WXMAC__) || defined(__WXGTK__)
if(m_dllhandle){
dlclose(m_dllhandle);
m_dllhandle = NULL;
}
#endif
}
bool clDynamicLibrary::Load(const wxString &name)
{
m_error.Clear();
#if defined (__WXMSW__)
return m_lib.Load(name, wxDL_NOSHARE);
#else
// open the library
//#if defined(__WXGTK__) && defined (ON_64_BIT)
// // on GTK we need to pass RTLD_DEEPBIND otherwise symbols clashes
// m_dllhandle = dlopen(_C(name), RTLD_LAZY| RTLD_LOCAL | RTLD_DEEPBIND);
//#else
m_dllhandle = dlopen(_C(name), RTLD_LAZY);
//#endif
if (!m_dllhandle) {
m_error = wxString(dlerror(), wxConvUTF8);
return false;
}
return true;
#endif
}
void clDynamicLibrary::Detach()
{
m_error.Clear();
#if defined (__WXMSW__)
m_lib.Detach();
#else
if (m_dllhandle) {
dlclose(m_dllhandle);
m_dllhandle = NULL;
}
#endif
}
void *clDynamicLibrary::GetSymbol(const wxString &name, bool *success)
{
m_error.Clear();
#if defined (__WXMSW__)
bool rc;
void *symb = m_lib.GetSymbol(name, &rc);
*success = rc;
return symb;
#else
dlerror(); // reset errors
// load the symbol
void *symb = dlsym(m_dllhandle, _C(name));
if(symb){
*success = true;
}else{
*success = false;
m_error = wxString(dlerror(), wxConvUTF8);
}
return symb;
#endif
}
|
