Mercurial > sdl-ios-xcode
diff src/loadso/os2/SDL_loadso.c @ 1190:173c063d4f55
OS/2 port!
This was mostly, if not entirely, written by "Doodle" and "Caetano":
doodle@scenergy.dfmk.hu
daniel@caetano.eng.br
--ryan.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Wed, 23 Nov 2005 07:29:56 +0000 |
parents | |
children | c9b51268668f |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/loadso/os2/SDL_loadso.c Wed Nov 23 07:29:56 2005 +0000 @@ -0,0 +1,82 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2004 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* System dependent library loading routines */ + +#if !SDL_INTERNAL_BUILDING_LOADSO +#error Do not compile directly...compile src/SDL_loadso.c instead! +#endif + +#if !defined(__OS2__) +#error Compiling for the wrong platform? +#endif + +#include <stdio.h> +#define INCL_DOSERRORS +#define INCL_DOSMODULEMGR +#include <os2.h> + +#include "SDL_types.h" +#include "SDL_error.h" +#include "SDL_loadso.h" + +void *SDL_LoadObject(const char *sofile) +{ + HMODULE handle = NULL; + char buf[512]; + APIRET ulrc = DosLoadModule(buf, sizeof (buf), (char *) sofile, &handle); + + /* Generate an error message if all loads failed */ + if ((ulrc != NO_ERROR) || (handle == NULL)) + SDL_SetError("Failed loading %s: %s", sofile, buf); + + return((void *) handle); +} + +void *SDL_LoadFunction(void *handle, const char *name) +{ + const char *loaderror = "Unknown error"; + void *symbol = NULL; + APIRET ulrc = DosQueryProcAddr((HMODULE)handle, 0, (char *)name, &symbol); + if (ulrc == ERROR_INVALID_HANDLE) + loaderror = "Invalid module handle"; + else if (ulrc == ERROR_INVALID_NAME) + loaderror = "Symbol not found"; + + if (symbol == NULL) + SDL_SetError("Failed loading %s: %s", name, loaderror); + + return(symbol); +} + +void SDL_UnloadObject(void *handle) +{ + if ( handle != NULL ) + DosFreeModule((HMODULE) handle); +} +