dllfind.c revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1997-2007 AT&T Knowledge Ventures *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Knowledge Ventures *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*/
#include <ast.h>
#include <dlldefs.h>
#include <error.h>
/*
* find and load library name with optional version ver and dlopen() flags
* at least one dlopen() is called to initialize dlerror()
* if path!=0 then library path up to size chars copied to path with trailing 0
* if name contains a directory prefix then library search is limited to the dir and siblings
*/
extern void*
dllfind(const char* lib, const char* ver, int flags, char* path, size_t size)
{
char* id;
void* dll;
if ((id = error_info.id) && (dll = dllplug(id, lib, ver, flags, path, size)))
return dll;
return dllplug(NiL, lib, ver, flags, path, size);
}