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comparison src/loadso/dlopen/SDL_loadso.c @ 1173:e9cf8c1b4590

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Split up src/SDL_loadso.c into platform directories.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 17 Nov 2005 03:15:05 +0000
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children c9b51268668f
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1172:f69f4d25fb20 1173:e9cf8c1b4590
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2004 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
29 /* System dependent library loading routines */
30
31 #if !SDL_INTERNAL_BUILDING_LOADSO
32 #error Do not compile directly...compile src/SDL_loadso.c instead!
33 #endif
34
35 #if !defined(USE_DLOPEN)
36 #error Compiling for the wrong platform?
37 #endif
38
39 #include <stdio.h>
40 #include <dlfcn.h>
41
42 #include "SDL_types.h"
43 #include "SDL_error.h"
44 #include "SDL_loadso.h"
45
46 void *SDL_LoadObject(const char *sofile)
47 {
48 void *handle = dlopen(sofile, RTLD_NOW);
49 const char *loaderror = (char *)dlerror();
50 if ( handle == NULL ) {
51 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
52 }
53 return(handle);
54 }
55
56 void *SDL_LoadFunction(void *handle, const char *name)
57 {
58 void *symbol = dlsym(handle, name);
59 if ( symbol == NULL ) {
60 SDL_SetError("Failed loading %s: %s", name, (const char *)dlerror());
61 }
62 return(symbol);
63 }
64
65 void SDL_UnloadObject(void *handle)
66 {
67 if ( handle != NULL ) {
68 dlclose(handle);
69 }
70 }
71