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 * Eclipse Public License, Version 1.0 *
7 * by AT&T Intellectual Property *
8 * *
9 * A copy of the License is available at *
10 * http://www.eclipse.org/org/documents/epl-v10.html *
11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
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*
dllfind(const char * lib,const char * ver,int flags,char * path,size_t size)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