/usr/include/libdvbv5/crc32.h is in libdvbv5-dev 1.10.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /*
* Copyright (c) 2011-2012 - Mauro Carvalho Chehab
* Copyright (c) 2012-2014 - Andre Roth <neolynx@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
*/
/**
* @file crc32.h
* @ingroup ancillary
* @brief Provides ancillary code to calculate DVB crc32 checksum
* @copyright GNU General Public License version 2 (GPLv2)
* @author Mauro Carvalho Chehab
* @author Andre Roth
*
* @par Bug Report
* Please submit bug reports and patches to linux-media@vger.kernel.org
*/
#ifndef _CRC32_H
#define _CRC32_H
#include <stdint.h>
#include <unistd.h> /* size_t */
#ifdef __cplusplus
extern "C" {
#endif
/** @brief Calculates the crc-32 as defined at the MPEG-TS specs
* @ingroup ancillary
*
* @param data Pointer to the buffer to be checked
* @param datalen Length of the buffer
* @param crc Initial value for the crc checksum. To calculate the
* checksum of the entire packet at once, use 0xFFFFFFFF
*/
uint32_t dvb_crc32(uint8_t *data, size_t datalen, uint32_t crc);
#ifdef __cplusplus
}
#endif
#endif
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