mirror of https://github.com/dzavalishin/oskit/
54 lines
1.8 KiB
C
Executable File
54 lines
1.8 KiB
C
Executable File
/*
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* Copyright (c) 1997-2000 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* An alternative interface that takes a oskit_blkio_t and returns another.
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* The returned oskit_blkio_t is a blkio-subset and operations on it
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* are restricted to the bounds of the partition.
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* It also returns the struct diskpart, or NULL on error.
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*/
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#include <oskit/types.h>
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#include <oskit/io/blkio.h>
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#include <oskit/diskpart/diskpart.h>
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#include <oskit/c/stdio.h>
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struct diskpart *
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diskpart_blkio_lookup_bsd_string(struct diskpart *array,
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const char *name,
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oskit_blkio_t *b,
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oskit_blkio_t **out_b)
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{
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struct diskpart *dp;
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oskit_error_t err;
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oskit_size_t blocksize;
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dp = diskpart_lookup_bsd_string(array, name);
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if (dp == NULL)
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return NULL;
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blocksize = oskit_blkio_getblocksize(b);
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err = oskit_blkio_subset(b, (oskit_off_t)dp->start * blocksize,
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(oskit_off_t)dp->size * blocksize, out_b);
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if (err) {
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printf("%s: oskit_blkio_subset returned 0x%x\n",
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__FUNCTION__, err);
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return NULL;
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}
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return dp;
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}
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