[sdl_omap.git] / src / loadso / macos / SDL_sysloadso.c

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    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
    Lesser General Public License for more details.

    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

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifdef SDL_LOADSO_MACOS

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines                           */

#include <stdio.h>
#include <string.h>
#define OLDP2C 1
#include <Strings.h>
#include <CodeFragments.h>
#include <Errors.h>

#include "SDL_loadso.h"

void *SDL_LoadObject(const char *sofile)
{
	void *handle = NULL;
	const char *loaderror = NULL;
	CFragConnectionID library_id;
	Ptr mainAddr;
	Str255 errName;
	OSErr error;
	char psofile[512];

	SDL_strlcpy(psofile, sofile, SDL_arraysize(psofile));
	error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
			kLoadCFrag, &library_id, &mainAddr, errName);
	switch (error) {
		case noErr:
			loaderror = NULL;
			break;
		case cfragNoLibraryErr:
			loaderror = "Library not found";
			break;
		case cfragUnresolvedErr:
			loaderror = "Unabled to resolve symbols";
			break;
		case cfragNoPrivateMemErr:
		case cfragNoClientMemErr:
			loaderror = "Out of memory";
			break;
		default:
			loaderror = "Unknown Code Fragment Manager error";
			break;
	}
	if ( loaderror == NULL ) {
		handle = (void *)(library_id);
	} else {
		SDL_SetError("Failed loading %s: %s", sofile, loaderror);
	}
	return(handle);
}

void *SDL_LoadFunction(void *handle, const char *name)
{
	void *symbol = NULL;
	const char *loaderror = NULL;
	CFragSymbolClass class;
	CFragConnectionID library_id = (CFragConnectionID)handle;
	char pname[512];

	SDL_strlcpy(pname, name, SDL_arraysize(pname));
	if ( FindSymbol(library_id, C2PStr(pname),
	                (char **)&symbol, &class) != noErr ) {
		loaderror = "Symbol not found";
	}

	if ( symbol == NULL ) {
		SDL_SetError("Failed loading %s: %s", name, loaderror);
	}
	return(symbol);
}

void SDL_UnloadObject(void *handle)
{
	CFragConnectionID library_id;
	if ( handle != NULL ) {
		library_id = (CFragConnectionID)handle;
		CloseConnection(&library_id);
	}
}

#endif /* SDL_LOADSO_MACOS */
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 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	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	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	#ifdef SDL_LOADSO_MACOS
	25
	26	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	27	/* System dependent library loading routines */
	28
	29	#include <stdio.h>
	30	#include <string.h>
	31	#define OLDP2C 1
	32	#include <Strings.h>
	33	#include <CodeFragments.h>
	34	#include <Errors.h>
	35
	36	#include "SDL_loadso.h"
	37
	38	void SDL_LoadObject(const char sofile)
	39	{
	40	void *handle = NULL;
	41	const char *loaderror = NULL;
	42	CFragConnectionID library_id;
	43	Ptr mainAddr;
	44	Str255 errName;
	45	OSErr error;
	46	char psofile[512];
	47
	48	SDL_strlcpy(psofile, sofile, SDL_arraysize(psofile));
	49	error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch,
	50	kLoadCFrag, &library_id, &mainAddr, errName);
	51	switch (error) {
	52	case noErr:
	53	loaderror = NULL;
	54	break;
	55	case cfragNoLibraryErr:
	56	loaderror = "Library not found";
	57	break;
	58	case cfragUnresolvedErr:
	59	loaderror = "Unabled to resolve symbols";
	60	break;
	61	case cfragNoPrivateMemErr:
	62	case cfragNoClientMemErr:
	63	loaderror = "Out of memory";
	64	break;
65	default:
66	loaderror = "Unknown Code Fragment Manager error";
67	break;
68	}
69	if ( loaderror == NULL ) {
70	handle = (void *)(library_id);
71	} else {
72	SDL_SetError("Failed loading %s: %s", sofile, loaderror);
73	}
74	return(handle);
75	}
76
77	void SDL_LoadFunction(void handle, const char *name)
78	{
79	void *symbol = NULL;
80	const char *loaderror = NULL;
81	CFragSymbolClass class;
82	CFragConnectionID library_id = (CFragConnectionID)handle;
83	char pname[512];
84
85	SDL_strlcpy(pname, name, SDL_arraysize(pname));
86	if ( FindSymbol(library_id, C2PStr(pname),
87	(char **)&symbol, &class) != noErr ) {
88	loaderror = "Symbol not found";
89	}
90
91	if ( symbol == NULL ) {
92	SDL_SetError("Failed loading %s: %s", name, loaderror);
93	}
94	return(symbol);
95	}
96
97	void SDL_UnloadObject(void *handle)
98	{
99	CFragConnectionID library_id;
100	if ( handle != NULL ) {
101	library_id = (CFragConnectionID)handle;
102	CloseConnection(&library_id);
103	}
104	}
105
106	#endif /* SDL_LOADSO_MACOS */