xref: /titanic_44/usr/src/lib/libdll/common/dllfind.c (revision 3e14f97f673e8a630f076077de35afdd43dc1587)
1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*3e14f97fSRoger A. Faulkner *          Copyright (c) 1997-2010 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6da2e3ebdSchin *                  Common Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10da2e3ebdSchin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11da2e3ebdSchin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                                                                      *
19da2e3ebdSchin ***********************************************************************/
20da2e3ebdSchin #pragma prototyped
21da2e3ebdSchin /*
22da2e3ebdSchin  * Glenn Fowler
23da2e3ebdSchin  * AT&T Research
24da2e3ebdSchin  */
25da2e3ebdSchin 
26da2e3ebdSchin #include <ast.h>
27da2e3ebdSchin #include <dlldefs.h>
28da2e3ebdSchin #include <error.h>
29da2e3ebdSchin 
30da2e3ebdSchin /*
31da2e3ebdSchin  * find and load library name with optional version ver and dlopen() flags
32da2e3ebdSchin  * at least one dlopen() is called to initialize dlerror()
33da2e3ebdSchin  * if path!=0 then library path up to size chars copied to path with trailing 0
34da2e3ebdSchin  * if name contains a directory prefix then library search is limited to the dir and siblings
35da2e3ebdSchin  */
36da2e3ebdSchin 
37da2e3ebdSchin extern void*
dllfind(const char * lib,const char * ver,int flags,char * path,size_t size)38da2e3ebdSchin dllfind(const char* lib, const char* ver, int flags, char* path, size_t size)
39da2e3ebdSchin {
40da2e3ebdSchin 	char*	id;
41da2e3ebdSchin 	void*	dll;
42da2e3ebdSchin 
43da2e3ebdSchin 	if ((id = error_info.id) && (dll = dllplug(id, lib, ver, flags, path, size)))
44da2e3ebdSchin 		return dll;
45da2e3ebdSchin 	return dllplug(NiL, lib, ver, flags, path, size);
46da2e3ebdSchin }
47