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/*
* Copyright 1998-1999, University of Notre Dame.
* Authors: Brian W. Barrett, Arun F. Rodrigues, Jeffrey M. Squyres,
* and Andrew Lumsdaine
*
* This file is part of XMPI
*
* You should have received a copy of the License Agreement for XMPI
* along with the software; see the file LICENSE. If not, contact
* Office of Research, University of Notre Dame, Notre Dame, IN 46556.
*
* Permission to modify the code and to distribute modified code is
* granted, provided the text of this NOTICE is retained, a notice that
* the code was modified is included with the above COPYRIGHT NOTICE and
* with the COPYRIGHT NOTICE in the LICENSE file, and that the LICENSE
* file is distributed with the modified code.
*
* LICENSOR MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.
* By way of example, but not limitation, Licensor MAKES NO
* REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY
* PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE COMPONENTS
* OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS
* OR OTHER RIGHTS.
*
* Additional copyrights may follow.
*
* $Id: getworkdir.c,v 1.3 1999/11/08 06:20:20 bbarrett Exp $
*
* Function: - get the user's current working directory
* - dynamically allocated space
* - use old getwd() for efficiency if possible
* - hopefully our MAX is bigger than everybody's MAX
* (someday a _real_ standard will emerge!)
* Returns: - working directory or NULL
*/
#include "lam.h"
#include <stdlib.h>
#include <unistd.h>
#define PATHSIZE 2048
char *
getworkdir()
{
char *cwd; /* working directory name */
/*
* Allocate a hopefully large enough buffer;
*/
if ((cwd = malloc((unsigned) PATHSIZE)) == 0) {
return((char *) 0);
}
/*
* Get the working directory. Work around SunOS bug.
*/
#if HAVE_GETCWD && !defined(SUNOS)
if (getcwd(cwd, PATHSIZE)) {
#else
if (getwd(cwd)) {
#endif
return(cwd);
} else {
free(cwd);
return((char *) 0);
}
}
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