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/*
* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*
* Per https://svn.open-mpi.org/trac/ompi/ticket/933, use a
* combination of $PWD and getcwd() to find the current working
* directory.
*/
#ifndef OPAL_GETCWD_H
#define OPAL_GETCWD_H
#include "opal_config.h"
BEGIN_C_DECLS
/**
* Per https://svn.open-mpi.org/trac/ompi/ticket/933, use a
* combination of $PWD and getcwd() to find the current working
* directory.
*
* Use $PWD instead of getcwd() a) if $PWD exists and b) is a valid
* synonym for the results from getcwd(). If both of these conditions
* are not met, just fall back and use the results of getcwd().
*
* @param buf Caller-allocated buffer to put the result
* @param size Length of the buf array
*
* @retval OPAL_ERR_OUT_OF_RESOURCE If internal malloc() fails.
* @retval OPAL_ERR_TEMP_OUT_OF_RESOURCE If the supplied buf buffer
* was not long enough to handle the result.
* @retval OPAL_ERR_BAD_PARAM If buf is NULL or size>INT_MAX
* @retval OPAL_ERR_IN_ERRNO If an other error occurred
* @retval OPAL_SUCCESS If all went well and a valid value was placed
* in the buf buffer.
*/
OPAL_DECLSPEC int opal_getcwd(char *buf, size_t size);
END_C_DECLS
#endif /* OPAL_GETCWD_H */
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