src/SDL_loadso.c
author Patrice Mandin <patmandin@gmail.com>
Wed, 16 Jul 2003 11:54:13 +0000
changeset 651 35ff0890ac4e
parent 336 745873ea091f
child 707 c67d4fb10a45
permissions -rw-r--r--
pmandin: Added Atari LDG shared object loader
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     1
/*
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
297
f6ffac90895c Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents: 296
diff changeset
     3
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     4
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     6
    modify it under the terms of the GNU Library General Public
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     8
    version 2 of the License, or (at your option) any later version.
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     9
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    13
    Library General Public License for more details.
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    14
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    15
    You should have received a copy of the GNU Library General Public
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    16
    License along with this library; if not, write to the Free
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    17
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    18
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    19
    Sam Lantinga
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    20
    slouken@libsdl.org
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    21
*/
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    22
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    23
#ifdef SAVE_RCSID
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    24
static char rcsid =
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    25
 "@(#) $Id$";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    26
#endif
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    27
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    28
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    29
/* System dependent library loading routines                           */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    30
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    31
#include <stdio.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    32
#if defined(USE_DLOPEN)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    33
# include <dlfcn.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    34
#elif defined(WIN32)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    35
# include <windows.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    36
#elif defined(__BEOS__)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    37
# include <be/kernel/image.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    38
#elif defined(macintosh)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    39
# include <string.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    40
# include <Strings.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    41
# include <CodeFragments.h>
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    42
# include <Errors.h>
651
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
    43
#elif defined(__MINT__) && defined(ENABLE_LDG)
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
    44
# include <gem.h>
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
    45
# include <ldg.h>
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    46
#else
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    47
/*#error Unsupported dynamic link environment*/
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    48
#endif /* system type */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    49
296
fab1ddc4d7bf Removed the API changes to preserve SDL 1.2 stability
Sam Lantinga <slouken@libsdl.org>
parents: 294
diff changeset
    50
#include "SDL_types.h"
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    51
#include "SDL_error.h"
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    52
#include "SDL_loadso.h"
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    53
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    54
void *SDL_LoadObject(const char *sofile)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    55
{
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    56
	void *handle = NULL;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    57
	const char *loaderror = "SDL_LoadObject() not implemented";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    58
#if defined(USE_DLOPEN)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    59
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    60
	handle = dlopen(sofile, RTLD_NOW);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    61
	loaderror = (char *)dlerror();
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    62
#elif defined(WIN32)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    63
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    64
	char errbuf[512];
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    65
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    66
	handle = (void *)LoadLibrary(sofile);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    67
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    68
	/* Generate an error message if all loads failed */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    69
	if ( handle == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    70
		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    71
					FORMAT_MESSAGE_FROM_SYSTEM),
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    72
				NULL, GetLastError(), 
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    73
				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    74
				errbuf, SDL_TABLESIZE(errbuf), NULL);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    75
		loaderror = errbuf;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    76
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    77
#elif defined(__BEOS__)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    78
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    79
	image_id library_id;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    80
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    81
	library_id = load_add_on(sofile);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    82
	if ( library_id == B_ERROR ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    83
		loaderror = "BeOS error";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    84
	} else {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    85
		handle = (void *)(library_id);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    86
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    87
#elif defined(macintosh)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    88
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    89
	CFragConnectionID library_id;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    90
	Ptr mainAddr;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    91
	Str255 errName;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    92
	OSErr error;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    93
	char psofile[512];
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    94
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    95
	strncpy(psofile, sofile, SDL_TABLESIZE(psofile));
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    96
	psofile[SDL_TABLESIZE(psofile)-1] = '\0';
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    97
	error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    98
			kLoadCFrag, &library_id, &mainAddr, errName);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    99
	switch (error) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   100
		case noErr:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   101
			break;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   102
		case cfragNoLibraryErr:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   103
			loaderror = "Library not found";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   104
			break;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   105
		case cfragUnresolvedErr:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   106
			loaderror = "Unabled to resolve symbols";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   107
			break;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   108
		case cfragNoPrivateMemErr:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   109
		case cfragNoClientMemErr:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   110
			loaderror = "Out of memory";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   111
			break;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   112
		default:
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   113
			loaderror = "Unknown Code Fragment Manager error";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   114
			break;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   115
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   116
	if ( loaderror == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   117
		handle = (void *)(library_id);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   118
	}
651
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   119
#elif defined(__MINT__) && defined(ENABLE_LDG)
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   120
/* * */
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   121
	handle = (void *)ldg_open((char *)sofile, ldg_global);
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   122
#endif /* system type */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   123
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   124
	if ( handle == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   125
		SDL_SetError("Failed loading %s: %s", sofile, loaderror);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   126
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   127
	return(handle);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   128
}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   129
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   130
void *SDL_LoadFunction(void *handle, const char *name)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   131
{
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   132
	void *symbol = NULL;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   133
	const char *loaderror = "SDL_LoadFunction not implemented";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   134
#if defined(USE_DLOPEN)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   135
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   136
	symbol = dlsym(handle, name);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   137
	if ( symbol == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   138
		loaderror = (char *)dlerror();
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   139
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   140
#elif defined(WIN32)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   141
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   142
	char errbuf[512];
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   143
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   144
	symbol = (void *)GetProcAddress((HMODULE)handle, name);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   145
	if ( symbol == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   146
		FormatMessage((FORMAT_MESSAGE_IGNORE_INSERTS |
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   147
					FORMAT_MESSAGE_FROM_SYSTEM),
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   148
				NULL, GetLastError(), 
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   149
				MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   150
				errbuf, SDL_TABLESIZE(errbuf), NULL);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   151
		loaderror = errbuf;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   152
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   153
#elif defined(__BEOS__)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   154
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   155
	image_id library_id = (image_id)handle;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   156
	if ( get_image_symbol(library_id,
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   157
		name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   158
		loaderror = "Symbol not found";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   159
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   160
#elif defined(macintosh)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   161
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   162
	CFragSymbolClass class;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   163
	CFragConnectionID library_id = (CFragConnectionID)handle;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   164
	char pname[512];
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   165
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   166
	strncpy(pname, name, SDL_TABLESIZE(pname));
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   167
	pname[SDL_TABLESIZE(pname)-1] = '\0';
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   168
	if ( FindSymbol(library_id, C2PStr(pname),
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   169
	                (char **)&symbol, &class) != noErr ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   170
		loaderror = "Symbol not found";
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   171
	}
651
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   172
#elif defined(__MINT__) && defined(ENABLE_LDG)
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   173
/* * */
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   174
	symbol = (void *)ldg_find((char *)name, (LDG *)handle);
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   175
#endif /* system type */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   176
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   177
	if ( symbol == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   178
		SDL_SetError("Failed loading %s: %s", name, loaderror);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   179
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   180
	return(symbol);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   181
}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   182
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   183
void SDL_UnloadObject(void *handle)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   184
{
336
745873ea091f BeOS compile fix for shared object loading code
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
   185
#if defined(__BEOS__)
745873ea091f BeOS compile fix for shared object loading code
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
   186
	image_id library_id;
745873ea091f BeOS compile fix for shared object loading code
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
   187
#endif
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   188
	if ( handle == NULL ) {
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   189
		return;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   190
	}
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   191
#if defined(USE_DLOPEN)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   192
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   193
	dlclose(handle);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   194
#elif defined(WIN32)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   195
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   196
	FreeLibrary((HMODULE)handle);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   197
#elif defined(__BEOS__)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   198
/* * */
336
745873ea091f BeOS compile fix for shared object loading code
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
   199
	library_id = (image_id)handle;
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   200
	unload_add_on(library_id);
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   201
#elif defined(macintosh)
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   202
/* * */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   203
	CFragConnectionID library_id = (CFragConnectionID)handle;
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   204
	CloseConnection(library_id);
651
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   205
#elif defined(__MINT__) && defined(ENABLE_LDG)
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   206
/* * */
35ff0890ac4e pmandin: Added Atari LDG shared object loader
Patrice Mandin <patmandin@gmail.com>
parents: 336
diff changeset
   207
	ldg_close((LDG *)handle, ldg_global);
294
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   208
#endif /* system type */
d2d48e10f370 Added a new header file: SDL_loadso.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   209
}