xref: /titanic_53/usr/src/contrib/ast/src/lib/libdll/dllfind.c (revision 906afcb89d0412cc073b95c2d701a804a8cdb62c)
1*906afcb8SAndy Fiddaman /***********************************************************************
2*906afcb8SAndy Fiddaman *                                                                      *
3*906afcb8SAndy Fiddaman *               This software is part of the ast package               *
4*906afcb8SAndy Fiddaman *          Copyright (c) 1997-2011 AT&T Intellectual Property          *
5*906afcb8SAndy Fiddaman *                      and is licensed under the                       *
6*906afcb8SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
7*906afcb8SAndy Fiddaman *                    by AT&T Intellectual Property                     *
8*906afcb8SAndy Fiddaman *                                                                      *
9*906afcb8SAndy Fiddaman *                A copy of the License is available at                 *
10*906afcb8SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*906afcb8SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*906afcb8SAndy Fiddaman *                                                                      *
13*906afcb8SAndy Fiddaman *              Information and Software Systems Research               *
14*906afcb8SAndy Fiddaman *                            AT&T Research                             *
15*906afcb8SAndy Fiddaman *                           Florham Park NJ                            *
16*906afcb8SAndy Fiddaman *                                                                      *
17*906afcb8SAndy Fiddaman *                 Glenn Fowler <gsf@research.att.com>                  *
18*906afcb8SAndy Fiddaman *                                                                      *
19*906afcb8SAndy Fiddaman ***********************************************************************/
20*906afcb8SAndy Fiddaman #pragma prototyped
21*906afcb8SAndy Fiddaman /*
22*906afcb8SAndy Fiddaman  * Glenn Fowler
23*906afcb8SAndy Fiddaman  * AT&T Research
24*906afcb8SAndy Fiddaman  */
25*906afcb8SAndy Fiddaman 
26*906afcb8SAndy Fiddaman #include <ast.h>
27*906afcb8SAndy Fiddaman #include <dlldefs.h>
28*906afcb8SAndy Fiddaman #include <error.h>
29*906afcb8SAndy Fiddaman 
30*906afcb8SAndy Fiddaman /*
31*906afcb8SAndy Fiddaman  * find and load library name with optional version ver and dlopen() flags
32*906afcb8SAndy Fiddaman  * at least one dlopen() is called to initialize dlerror()
33*906afcb8SAndy Fiddaman  * if path!=0 then library path up to size chars copied to path with trailing 0
34*906afcb8SAndy Fiddaman  * if name contains a directory prefix then library search is limited to the dir and siblings
35*906afcb8SAndy Fiddaman  */
36*906afcb8SAndy Fiddaman 
37*906afcb8SAndy Fiddaman extern void*
dllfind(const char * lib,const char * ver,int flags,char * path,size_t size)38*906afcb8SAndy Fiddaman dllfind(const char* lib, const char* ver, int flags, char* path, size_t size)
39*906afcb8SAndy Fiddaman {
40*906afcb8SAndy Fiddaman 	char*	id;
41*906afcb8SAndy Fiddaman 	void*	dll;
42*906afcb8SAndy Fiddaman 
43*906afcb8SAndy Fiddaman 	if ((id = error_info.id) && (dll = dllplug(id, lib, ver, flags, path, size)))
44*906afcb8SAndy Fiddaman 		return dll;
45*906afcb8SAndy Fiddaman 	return dllplug(NiL, lib, ver, flags, path, size);
46*906afcb8SAndy Fiddaman }
47