Commit | Line | Data |
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c40a57e5 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: BSD-4-Clause |
c40a57e5 | 3 | * |
0235b0db | 4 | * Copyright (c) 1991, 1993 The Regents of the University of California. |
c40a57e5 AB |
5 | */ |
6 | ||
0235b0db MJ |
7 | #ifndef _BABELTRACE_CRC32_H |
8 | #define _BABELTRACE_CRC32_H | |
9 | ||
c40a57e5 AB |
10 | #include <stdint.h> |
11 | #include <stdio.h> | |
12 | #include <unistd.h> | |
91d81473 | 13 | #include "common/macros.h" |
c40a57e5 AB |
14 | |
15 | /** | |
16 | * Compute a 32-bit cyclic redundancy checksum for a given file. | |
17 | * | |
18 | * On success, the out parameter crc is set with the computed checksum | |
19 | * value, | |
20 | * | |
21 | * @param fd File descriptor for the file for which to compute the CRC | |
22 | * @param crc Out parameter, the computed checksum | |
23 | * @returns 0 on success, -1 on failure. | |
24 | */ | |
25 | BT_HIDDEN | |
26 | int crc32(int fd, uint32_t *crc); | |
27 | ||
28 | #endif /* _BABELTRACE_CRC32_H */ |