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107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_LOADSO_MACOS
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* System dependent library loading routines */
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#include <stdio.h>
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#include <string.h>
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#define OLDP2C 1
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#include <Strings.h>
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#include <CodeFragments.h>
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#include <Errors.h>
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#include "SDL_loadso.h"
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void *SDL_LoadObject(const char *sofile)
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{
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void *handle = NULL;
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const char *loaderror = NULL;
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CFragConnectionID library_id;
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Ptr mainAddr;
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Str255 errName;
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OSErr error;
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char psofile[512];
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SDL_strlcpy(psofile, sofile, SDL_arraysize(psofile));
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error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
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kLoadCFrag, &library_id, &mainAddr, errName);
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switch (error) {
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case noErr:
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loaderror = NULL;
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break;
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case cfragNoLibraryErr:
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loaderror = "Library not found";
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break;
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case cfragUnresolvedErr:
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loaderror = "Unabled to resolve symbols";
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break;
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case cfragNoPrivateMemErr:
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case cfragNoClientMemErr:
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loaderror = "Out of memory";
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break;
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default:
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loaderror = "Unknown Code Fragment Manager error";
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break;
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}
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if ( loaderror == NULL ) {
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handle = (void *)(library_id);
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} else {
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SDL_SetError("Failed loading %s: %s", sofile, loaderror);
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}
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return(handle);
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}
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void *SDL_LoadFunction(void *handle, const char *name)
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{
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void *symbol = NULL;
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const char *loaderror = NULL;
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CFragSymbolClass class;
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CFragConnectionID library_id = (CFragConnectionID)handle;
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char pname[512];
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SDL_strlcpy(pname, name, SDL_arraysize(pname));
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if ( FindSymbol(library_id, C2PStr(pname),
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(char **)&symbol, &class) != noErr ) {
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loaderror = "Symbol not found";
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}
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if ( symbol == NULL ) {
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SDL_SetError("Failed loading %s: %s", name, loaderror);
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}
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return(symbol);
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}
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void SDL_UnloadObject(void *handle)
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{
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CFragConnectionID library_id;
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if ( handle != NULL ) {
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library_id = (CFragConnectionID)handle;
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CloseConnection(&library_id);
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}
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}
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#endif /* SDL_LOADSO_MACOS */
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