1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1997-2011 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
37extern void*
38dllfind(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