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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2009 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* 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> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include <ast.h>
#if !_UWIN
void _STUB_stdfun(){}
#else
#include <ast_windows.h>
#include <uwin.h>
#include <dlfcn.h>
#include "FEATURE/uwin"
#if _lib___iob_func
#define IOB ((char*)__iob_func())
#elif _lib___p__iob
#define IOB ((char*)__p__iob())
#elif _dat__iob
#define IOB ((char*)_iob)
#else
#define IOB ((char*)_p__iob())
#endif
#define IOBMAX (512*32)
#include "stdhdr.h"
int
_stdfun(Sfio_t* f, Funvec_t* vp)
{
static char* iob;
static int init;
static void* bp;
static void* np;
if (!iob && !(iob = IOB))
return 0;
if (f && ((char*)f < iob || (char*)f > iob+IOBMAX))
return 0;
if (!vp->vec[1])
{
if (!init)
{
init = 1;
bp = dlopen("/usr/bin/stdio.dll", 0);
}
if (bp && (vp->vec[1] = (Fun_f)dlsym(bp, vp->name)))
return 1;
if (!np && !(np = dlopen("/sys/msvcrt.dll", 0)))
return -1;
if (!(vp->vec[1] = (Fun_f)dlsym(np, vp->name)))
return -1;
}
return 1;
}
#endif
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