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/dnaclust-3/fasta.hpp
Examining data/dnaclust-3/ternary_sort.hpp
Examining data/dnaclust-3/fasta.cpp
Examining data/dnaclust-3/multi_dim.hpp
Examining data/dnaclust-3/fastaselect.cpp
Examining data/dnaclust-3/search_include.cpp
Examining data/dnaclust-3/fastasort.cpp
Examining data/dnaclust-3/utility.hpp
Examining data/dnaclust-3/dnaclust.cpp

FINAL RESULTS:

data/dnaclust-3/dnaclust.cpp:2020:11:  [3] (random) srand:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
          srand(time(NULL));
data/dnaclust-3/dnaclust.cpp:2022:11:  [3] (random) srand:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
          srand(random_seed);

ANALYSIS SUMMARY:

Hits = 2
Lines analyzed = 2930 in approximately 0.09 seconds (33173 lines/second)
Physical Source Lines of Code (SLOC) = 2098
Hits@level = [0]   0 [1]   0 [2]   0 [3]   2 [4]   0 [5]   0
Hits@level+ = [0+]   2 [1+]   2 [2+]   2 [3+]   2 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 0.953289 [1+] 0.953289 [2+] 0.953289 [3+] 0.953289 [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.