6 * Dynamic Library Loader (mapping to SVR4)
8 * The iODBC driver manager.
10 * Copyright (C) 1995 by Ke Jin <kejin@empress.com>
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Library General Public
14 * License as published by the Free Software Foundation; either
15 * version 2 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with this library; if not, write to the Free
24 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #if defined(HAVE_LIBDL)
31 #define DLDAPI_SVR4_DLFCN
32 #elif defined(HAVE_SHL_LOAD)
36 #ifdef DLDAPI_SVR4_DLFCN
41 extern void FAR
*dlopen (char FAR
* path
, int mode
);
42 extern void FAR
*dlsym (void FAR
* hdll
, char FAR
* sym
);
43 extern char FAR
*dlerror ();
44 extern int dlclose (void FAR
* hdll
);
51 #define DLL_OPEN(dll) (void*)dlopen((char*)(path), RTLD_LAZY)
52 #define DLL_PROC(hdll, sym) (void*)dlsym((void*)(hdll), (char*)sym)
53 #define DLL_ERROR() (char*)dlerror()
54 #define DLL_CLOSE(hdll) dlclose((void*)(hdll))