darshan-posix-logutils.c 1.26 KB
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/*
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 * Copyright (C) 2015 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
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 */

#define _GNU_SOURCE
#include "darshan-util-config.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#include "darshan-posix-logutils.h"

int darshan_log_get_posix_file(darshan_fd fd, struct darshan_posix_file *file)
{
    int i;
    int ret;

    /* reset file record, so that diff compares against a zero'd out record
     * if file is missing
     */
    memset(file, 0, sizeof(*file));

    ret = darshan_log_get_moddat(fd, DARSHAN_POSIX_MOD,
        (void *)file, sizeof(*file));
    if(ret == 1)
    {
        if(fd->swap_flag)
        {
            /* swap bytes if necessary */
            DARSHAN_BSWAP64(&file->f_id);
            DARSHAN_BSWAP64(&file->rank);
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            for(i=0; i<POSIX_NUM_INDICES; i++)
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                DARSHAN_BSWAP64(&file->counters[i]);
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            for(i=0; i<POSIX_F_NUM_INDICES; i++)
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                DARSHAN_BSWAP64(&file->fcounters[i]);
        }
    }

    return(ret);
}

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 * End:
 *
 * vim: ts=8 sts=4 sw=4 expandtab
 */