src/loadso/beos/SDL_loadso.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 17 Nov 2005 03:15:05 +0000
changeset 1173 e9cf8c1b4590
child 1312 c9b51268668f
permissions -rw-r--r--
Split up src/SDL_loadso.c into platform directories.
     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(__BEOS__)
    36 #error Compiling for the wrong platform?
    37 #endif
    38 
    39 #include <stdio.h>
    40 #include <be/kernel/image.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 = NULL;
    49 	const char *loaderror = "Unknown error";
    50 	image_id library_id = load_add_on(sofile);
    51 	if ( library_id == B_ERROR ) {
    52 		loaderror = "BeOS error";
    53 	} else {
    54 		handle = (void *)(library_id);
    55 	}
    56 
    57 	if ( handle == NULL ) {
    58 		SDL_SetError("Failed loading %s: %s", sofile, loaderror);
    59 	}
    60 	return(handle);
    61 }
    62 
    63 void *SDL_LoadFunction(void *handle, const char *name)
    64 {
    65 	void *symbol = NULL;
    66 	const char *loaderror = "Unknown error";
    67 	image_id library_id = (image_id)handle;
    68 	if ( get_image_symbol(library_id,
    69 		name, B_SYMBOL_TYPE_TEXT, &symbol) != B_NO_ERROR ) {
    70 		loaderror = "Symbol not found";
    71 	}
    72 
    73 	if ( symbol == NULL ) {
    74 		SDL_SetError("Failed loading %s: %s", name, loaderror);
    75 	}
    76 	return(symbol);
    77 }
    78 
    79 void SDL_UnloadObject(void *handle)
    80 {
    81 	image_id library_id;
    82 	if ( handle != NULL ) {
    83 		library_id = (image_id)handle;
    84 		unload_add_on(library_id);
    85 	}
    86 }
    87