Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/r-cran-bitops-1.0-6/src/bit-ops.c Examining data/r-cran-bitops-1.0-6/src/bit-ops.h Examining data/r-cran-bitops-1.0-6/src/cksum.c FINAL RESULTS: data/r-cran-bitops-1.0-6/src/cksum.c:77:22: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. for ( p = (unsigned char *)strings[i] ; *p ; ++p, len++ ) { ANALYSIS SUMMARY: Hits = 1 Lines analyzed = 248 in approximately 0.03 seconds (9264 lines/second) Physical Source Lines of Code (SLOC) = 203 Hits@level = [0] 0 [1] 0 [2] 1 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 1 [1+] 1 [2+] 1 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 4.92611 [1+] 4.92611 [2+] 4.92611 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.