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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 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
/*
* Glenn Fowler
* AT&T Bell Laboratories
*
* return current PATH
*/
#include <ast.h>
char*
pathbin(void)
{
register char* bin;
static char* val;
if ((!(bin = getenv("PATH")) || !*bin) && !(bin = val))
{
if (!*(bin = astconf("PATH", NiL, NiL)) || !(bin = strdup(bin)))
bin = "/bin:/usr/bin:/usr/local/bin";
val = bin;
}
return bin;
}
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