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/python-regex-0.1.20200714/regex_2/_regex.c
Examining data/python-regex-0.1.20200714/regex_2/_regex.h
Examining data/python-regex-0.1.20200714/regex_2/_regex_unicode.c
Examining data/python-regex-0.1.20200714/regex_2/_regex_unicode.h
Examining data/python-regex-0.1.20200714/regex_3/_regex.c
Examining data/python-regex-0.1.20200714/regex_3/_regex.h
Examining data/python-regex-0.1.20200714/regex_3/_regex_unicode.c
Examining data/python-regex-0.1.20200714/regex_3/_regex_unicode.h

FINAL RESULTS:

data/python-regex-0.1.20200714/regex_2/_regex.c:43:18:  [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.
#define TRACE(X) printf X;
data/python-regex-0.1.20200714/regex_3/_regex.c:43:18:  [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.
#define TRACE(X) printf X;
data/python-regex-0.1.20200714/regex_2/_regex.c:224:14:  [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.
    unsigned char uppercase[0x100];
data/python-regex-0.1.20200714/regex_2/_regex.c:225:14:  [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.
    unsigned char lowercase[0x100];
data/python-regex-0.1.20200714/regex_3/_regex.c:238:14:  [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.
    unsigned char uppercase[0x100];
data/python-regex-0.1.20200714/regex_3/_regex.c:239:14:  [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.
    unsigned char lowercase[0x100];

ANALYSIS SUMMARY:

Hits = 6
Lines analyzed = 109255 in approximately 5.15 seconds (21195 lines/second)
Physical Source Lines of Code (SLOC) = 92647
Hits@level = [0]   2 [1]   0 [2]   4 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]   8 [1+]   6 [2+]   6 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 0.0863493 [1+] 0.0647619 [2+] 0.0647619 [3+] 0.0215873 [4+] 0.0215873 [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.