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/jack-midi-clock-0.4.3/jack_mclk_dump.c
Examining data/jack-midi-clock-0.4.3/jack_midi_clock.c

FINAL RESULTS:

data/jack-midi-clock-0.4.3/jack_mclk_dump.c:400:15:  [3] (buffer) getopt_long:
  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.
  while ((c = getopt_long (argc, argv,
data/jack-midi-clock-0.4.3/jack_midi_clock.c:570:15:  [3] (buffer) getopt_long:
  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.
  while ((c = getopt_long (argc, argv,
data/jack-midi-clock-0.4.3/jack_mclk_dump.c:347:5:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
    memcpy(&s->pt, t, sizeof(timenfo));
data/jack-midi-clock-0.4.3/jack_midi_clock.c:140:11:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
	  (void) read(wake_main_read, &c, sizeof(c));

ANALYSIS SUMMARY:

Hits = 4
Lines analyzed = 1171 in approximately 0.08 seconds (14893 lines/second)
Physical Source Lines of Code (SLOC) = 823
Hits@level = [0]  55 [1]   1 [2]   1 [3]   2 [4]   0 [5]   0
Hits@level+ = [0+]  59 [1+]   4 [2+]   3 [3+]   2 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 71.6889 [1+] 4.86027 [2+] 3.6452 [3+] 2.43013 [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.