| /* |
| 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 */ |