This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_sysloadso.c
73 lines (61 loc) · 2.06 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
This library 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
13
Lesser General Public License for more details.
14
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
20
21
Sam Lantinga
slouken@libsdl.org
*/
22
#include "SDL_config.h"
23
24
25
#ifdef SDL_LOADSO_DLOPEN
26
27
28
29
30
31
32
33
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include <stdio.h>
#include <dlfcn.h>
#include "SDL_loadso.h"
34
35
void *
SDL_LoadObject (const char *sofile)
36
{
37
38
39
40
41
42
void *handle = dlopen (sofile, RTLD_NOW);
const char *loaderror = (char *) dlerror ();
if (handle == NULL) {
SDL_SetError ("Failed loading %s: %s", sofile, loaderror);
}
return (handle);
43
44
}
45
46
void *
SDL_LoadFunction (void *handle, const char *name)
47
{
48
49
50
51
52
53
54
55
56
57
58
59
60
61
void *symbol = dlsym (handle, name);
if (symbol == NULL) {
size_t len = 1 + SDL_strlen (name) + 1;
char *_name = SDL_stack_alloc (char, len);
_name[0] = '_';
SDL_strlcpy (&_name[1], name, len);
symbol = dlsym (handle, name);
SDL_stack_free (_name);
if (symbol == NULL) {
SDL_SetError ("Failed loading %s: %s", name,
(const char *) dlerror ());
}
}
return (symbol);
62
63
}
64
65
void
SDL_UnloadObject (void *handle)
66
{
67
68
69
if (handle != NULL) {
dlclose (handle);
}
70
71
}
72
#endif /* SDL_LOADSO_DLOPEN */
73
/* vi: set ts=4 sw=4 expandtab: */