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/* $Id: pathbin.c,v 1.3 2009/06/03 01:10:51 ellson Exp $ $Revision: 1.3 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
/*
* 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)) {
bin = "/bin:/usr/bin:/usr/local/bin";
val = bin;
}
return bin;
}
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