xref: /titanic_51/usr/src/lib/libdll/common/dllfind.c (revision dcda19f50b2b80bfc622fff718ac04fb0e1cb670)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1997-2008 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                                                                      *
19 ***********************************************************************/
20 #pragma prototyped
21 /*
22  * Glenn Fowler
23  * AT&T Research
24  */
25 
26 #include <ast.h>
27 #include <dlldefs.h>
28 #include <error.h>
29 
30 /*
31  * find and load library name with optional version ver and dlopen() flags
32  * at least one dlopen() is called to initialize dlerror()
33  * if path!=0 then library path up to size chars copied to path with trailing 0
34  * if name contains a directory prefix then library search is limited to the dir and siblings
35  */
36 
37 extern void*
38 dllfind(const char* lib, const char* ver, int flags, char* path, size_t size)
39 {
40 	char*	id;
41 	void*	dll;
42 
43 	if ((id = error_info.id) && (dll = dllplug(id, lib, ver, flags, path, size)))
44 		return dll;
45 	return dllplug(NiL, lib, ver, flags, path, size);
46 }
47