/usr/include/bglibs/crc/crc32.h is in libbg1-dev 1.106-3.
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 | #ifndef CRC32__H__
#define CRC32__H__
#include <crc/gcrc.h>
#include <uint32.h>
#define CRC32POLY ((uint32)0x04C11DB7UL)
#define CRC32REVPOLY ((uint32)0xEDB88320UL)
#define CRC32INIT ((uint32)0xFFFFFFFFUL)
#define CRC32POST ((uint32)0xFFFFFFFFUL)
extern const uint32 crc32_table[256];
#define crc32_update(C,D,L) gcrc32rfl((C),(D),(L),crc32_table)
#define crc32_block(B,L) (crc32_update(CRC32INIT,(B),(L))^CRC32POST)
#endif
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