/******************************************************************************
 *
 * Module Name: cfsize - Common get file size function
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2016, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acapps.h"

#define _COMPONENT          ACPI_TOOLS
ACPI_MODULE_NAME("cmfsize")

/*******************************************************************************
 *
 * FUNCTION:    cm_get_file_size
 *
 * PARAMETERS:  file                    - Open file descriptor
 *
 * RETURN:      File Size. On error, -1 (ACPI_UINT32_MAX)
 *
 * DESCRIPTION: Get the size of a file. Uses seek-to-EOF. File must be open.
 *              Does not disturb the current file pointer.
 *
 ******************************************************************************/
u32 cm_get_file_size(ACPI_FILE file)
{
	long file_size;
	long current_offset;
	acpi_status status;

	/* Save the current file pointer, seek to EOF to obtain file size */

	current_offset = ftell(file);
	if (current_offset < 0) {
		goto offset_error;
	}

	status = fseek(file, 0, SEEK_END);
	if (ACPI_FAILURE(status)) {
		goto seek_error;
	}

	file_size = ftell(file);
	if (file_size < 0) {
		goto offset_error;
	}

	/* Restore original file pointer */

	status = fseek(file, current_offset, SEEK_SET);
	if (ACPI_FAILURE(status)) {
		goto seek_error;
	}

	return ((u32)file_size);

offset_error:
	fprintf(stderr, "Could not get file offset\n");
	return (ACPI_UINT32_MAX);

seek_error:
	fprintf(stderr, "Could not set file offset\n");
	return (ACPI_UINT32_MAX);
}
af908e9856b1eed314bc00'>dwc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='cc9b94029e9ef51787af908e9856b1eed314bc00'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Mark Brown &lt;broonie@kernel.org&gt;</td><td class='right'>2016-11-04 12:16:38 -0600</td></tr>
<tr><th>committer</th><td>Mark Brown &lt;broonie@kernel.org&gt;</td><td class='right'>2016-11-04 12:16:38 -0600</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00'>cc9b94029e9ef51787af908e9856b1eed314bc00</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/soc/dwc/Makefile?id=cc9b94029e9ef51787af908e9856b1eed314bc00'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00'>9675310b89d0f6fb1f7bd9423f0638c4ee5226fd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00'>sound/soc/dwc/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=13bed58ce8748d430a26e353a09b89f9d613a71f'>13bed58ce8748d430a26e353a09b89f9d613a71f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00&amp;id2=13bed58ce8748d430a26e353a09b89f9d613a71f'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=1b5b42216469b05ef4b5916cb40b127dfab1da88'>1b5b42216469b05ef4b5916cb40b127dfab1da88</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/dwc/Makefile?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00&amp;id2=1b5b42216469b05ef4b5916cb40b127dfab1da88'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'topic/error' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-fixed</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=cc9b94029e9ef51787af908e9856b1eed314bc00'>Diffstat</a> (limited to 'sound/soc/dwc/Makefile')</div><table summary='diffstat' class='diffstat'>