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libblkid/src/getsize.c

 

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/*

 

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 * getsize.c --- get the size of a partition.

 

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 *

 

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 * Copyright (C) 1995, 1995 Theodore Ts'o.

 

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 * Copyright (C) 2010 Karel Zak <kzak@redhat.com>

 

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 *

 

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 * %Begin-Header%

 

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 * This file may be redistributed under the terms of the

 

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 * GNU Lesser General Public License.

 

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 * %End-Header%

 

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 */

 

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#include <stdio.h>

 

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#include <sys/stat.h>

 

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#include <sys/types.h>

 

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#include "blkidP.h"

 

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/**

 

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 * blkid_get_dev_size:

 

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 * @fd: file descriptor

 

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 *

 

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 * Returns: size (in bytes) of the block device or size of the regular file or 0.

 

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 */

 

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blkid_loff_t blkid_get_dev_size(int fd)

 

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{

 

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        unsigned long long bytes;

 

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        if (blkdev_get_size(fd, &bytes))

 

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                return 0;

 

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        return bytes;

 

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}

 

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