/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 2003-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* return the codex method for name
*/
#include <codex.h>
#include <dlldefs.h>
Codexmeth_t*
codexmeth(const char* name)
{
register Codexmeth_t* meth;
register const char* s;
register const char* t;
Codexmeth_t* last;
void* dll;
int plugin;
Codexlib_f lib;
char tmp[CODEX_NAME];
if (!name)
return CODEXERROR->meth;
plugin = 0;
meth = codexstate.first;
while (meth)
{
if (!codexcmp(name, meth->name))
return meth;
last = meth;
if (!(meth = meth->next) && !plugin)
{
plugin = 1;
for (s = name, t = 0; *s && *s != '+'; s++)
if (*s == '-')
{
if (t)
break;
t = s;
}
do
{
sfsprintf(tmp, sizeof(tmp), "%-.*s", s - name, name);
if (dll = dllplug("codex", tmp, NiL, RTLD_LAZY, NiL, 0))
{
if ((lib = (Codexlib_f)dlllook(dll, "codex_lib")) && (meth = (*lib)(name)))
last->next = meth;
break;
}
} while (s != t && (s = t));
}
}
return meth;
}