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