inet_csum.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
20 #ifndef NET_INET_CSUM_H
21 #define NET_INET_CSUM_H
22 
23 #include <inttypes.h>
24 #include <stddef.h>
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
50 uint16_t inet_csum_slice(uint16_t sum, const uint8_t *buf, uint16_t len, size_t accum_len);
51 
72 static inline uint16_t inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len) {
73  return inet_csum_slice(sum, buf, len, 0);
74 }
75 
76 #ifdef __cplusplus
77 }
78 #endif
79 
80 #endif /* NET_INET_CSUM_H */
81 
inet_csum_slice
uint16_t inet_csum_slice(uint16_t sum, const uint8_t *buf, uint16_t len, size_t accum_len)
Calculates the unnormalized Internet Checksum of buf, where the buffer provides a slice of the full c...
inttypes.h
Adds include for missing inttype definitions.
inet_csum
static uint16_t inet_csum(uint16_t sum, const uint8_t *buf, uint16_t len)
Calculates the unnormalized Internet Checksum of buf, where the buffer provides a standalone domain f...
Definition: inet_csum.h:72