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/bpm-tools-0.3/bpm.c

FINAL RESULTS:

data/bpm-tools-0.3/bpm.c:303:2:  [4] (format) printf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
	printf(format, bpm);
data/bpm-tools-0.3/bpm.c:70:8:  [3] (random) drand48:
  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.
	mid = drand48() * len;
data/bpm-tools-0.3/bpm.c:207:7:  [3] (buffer) getopt:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
		c = getopt(argc, argv, "vf:g:e:m:x:h");
data/bpm-tools-0.3/bpm.c:217:12:  [2] (misc) fopen:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
			fdiff = fopen(optarg, "w");
data/bpm-tools-0.3/bpm.c:225:11:  [2] (misc) fopen:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
			fnrg = fopen(optarg, "w");

ANALYSIS SUMMARY:

Hits = 5
Lines analyzed = 319 in approximately 0.02 seconds (18813 lines/second)
Physical Source Lines of Code (SLOC) = 209
Hits@level = [0]   7 [1]   0 [2]   2 [3]   2 [4]   1 [5]   0
Hits@level+ = [0+]  12 [1+]   5 [2+]   5 [3+]   3 [4+]   1 [5+]   0
Hits/KSLOC@level+ = [0+] 57.4163 [1+] 23.9234 [2+] 23.9234 [3+] 14.3541 [4+] 4.78469 [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.