src/plugins/lttng-utils/debug-info/crc32.h

   1 /*
   2  * SPDX-License-Identifier: BSD-4-Clause
   3  *
   4  * Copyright (c) 1991, 1993 The Regents of the University of California.
   5  */
   6
   7 #ifndef _BABELTRACE_CRC32_H
   8 #define _BABELTRACE_CRC32_H
   9
  10 #include <stdint.h>
  11 #include <stdio.h>
  12 #include <unistd.h>
  13 #include "common/macros.h"
  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 */