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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2012 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_OS2
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include <stdio.h>
#define INCL_DOSERRORS
#define INCL_DOSMODULEMGR
#include <os2.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);
}
#endif /* SDL_LOADSO_OS2 */
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