mirror of
https://github.com/xemu-project/xemu.git
synced 2025-04-02 11:11:48 -04:00
06e2329636
The 'GPL-2.0' license identifier has been deprecated since license list version 3.0 [1] and replaced by the 'GPL-2.0-only' tag [2]. [1] https://spdx.org/licenses/GPL-2.0.html [2] https://spdx.org/licenses/GPL-2.0-only.html Mechanical patch running: $ sed -i -e s/GPL-2.0/GPL-2.0-only/ \ $(git grep -l 'SPDX-License-Identifier: GPL-2.0[ $]' \ | egrep -v '^linux-headers|^include/standard-headers') Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
33 lines
829 B
C
33 lines
829 B
C
/*
|
|
* CRC16 (CCITT) Checksum Algorithm
|
|
*
|
|
* Copyright (c) 2021 Wind River Systems, Inc.
|
|
*
|
|
* Author:
|
|
* Bin Meng <bin.meng@windriver.com>
|
|
*
|
|
* From Linux kernel v5.10 include/linux/crc-ccitt.h
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-only
|
|
*/
|
|
|
|
#ifndef CRC_CCITT_H
|
|
#define CRC_CCITT_H
|
|
|
|
extern uint16_t const crc_ccitt_table[256];
|
|
extern uint16_t const crc_ccitt_false_table[256];
|
|
|
|
uint16_t crc_ccitt(uint16_t crc, const uint8_t *buffer, size_t len);
|
|
uint16_t crc_ccitt_false(uint16_t crc, const uint8_t *buffer, size_t len);
|
|
|
|
static inline uint16_t crc_ccitt_byte(uint16_t crc, const uint8_t c)
|
|
{
|
|
return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
|
|
}
|
|
|
|
static inline uint16_t crc_ccitt_false_byte(uint16_t crc, const uint8_t c)
|
|
{
|
|
return (crc << 8) ^ crc_ccitt_false_table[(crc >> 8) ^ c];
|
|
}
|
|
|
|
#endif /* CRC_CCITT_H */
|