poly 110 tools/packfi2/crc32.c unsigned long poly; /* polynomial exclusive-or pattern */ poly 122 tools/packfi2/crc32.c poly = 0UL; poly 124 tools/packfi2/crc32.c poly |= 1UL << (31 - p[n]); poly 130 tools/packfi2/crc32.c c = c & 1 ? poly ^ (c >> 1) : c >> 1;