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
|
// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <string.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <dlfcn.h>
#include <stdio.h>
#endif
#include "Common.h"
#include "StringUtil.h"
#include "DynamicLibrary.h"
DynamicLibrary::DynamicLibrary()
{
library = 0;
}
#ifdef _WIN32
std::string GetLastErrorAsString()
{
LPVOID lpMsgBuf = 0;
DWORD error = GetLastError();
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0, NULL);
std::string s;
if (lpMsgBuf)
{
s = ((char *)lpMsgBuf);
LocalFree(lpMsgBuf);
} else {
s = StringFromFormat("(unknown error %08x)", error);
}
return s;
}
#endif
bool DynamicLibrary::Load(const char* filename)
{
if (strlen(filename) == 0)
{
PanicAlert("DynamicLibrary : Missing filename");
return(false);
}
if (IsLoaded())
{
PanicAlert("Trying to load already loaded library %s", filename);
return(false);
}
#ifdef _WIN32
library = LoadLibrary(filename);
if (!library) {
//PanicAlert("Error loading DLL %s: %s", filename, GetLastErrorAsString().c_str());
}
#else
library = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
if (!library)
{
PanicAlert(dlerror());
}
#endif
if (library) {
library_file = filename;
}
return(library != 0);
}
void DynamicLibrary::Unload()
{
if (!IsLoaded())
{
PanicAlert("Trying to unload non-loaded library");
return;
}
#ifdef _WIN32
FreeLibrary(library);
#else
dlclose(library);
#endif
library = 0;
}
void* DynamicLibrary::Get(const char* funcname) const
{
void* retval;
#ifdef _WIN32
if (!library)
{
PanicAlert("Can't find function %s - Library not loaded.");
}
retval = GetProcAddress(library, funcname);
//if (!retval)
//{
//PanicAlert("Did not find function %s in library %s.", funcname, library_file.c_str());
//}
return(retval);
#else
retval = dlsym(library, funcname);
if (!retval)
{
printf("%s\n", dlerror());
}
#endif
}
|
