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/ruby-github-linguist-7.9.0/ext/linguist/linguist.c
Examining data/ruby-github-linguist-7.9.0/ext/linguist/strndup.c
Examining data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c
Examining data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.h
Examining data/ruby-github-linguist-7.9.0/ext/linguist/linguist.h

FINAL RESULTS:

data/ruby-github-linguist-7.9.0/ext/linguist/strndup.c:6:2:  [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(copy, s1, n);
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:731:14:  [1] (buffer) getc:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:1034:30:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
{ feed_token(strndup(yytext, strlen(yytext) - 1), REGULAR_TOKEN); eat_until_unescaped('"'); return 1; }
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:1039:30:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
{ feed_token(strndup(yytext, strlen(yytext) - 1), REGULAR_TOKEN); eat_until_unescaped('\''); return 1; }
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:1072:11:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
      if (strlen(yytext) >= 4 && strcmp(yytext + strlen(yytext) - 2, "*/") == 0) {
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:1072:50:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
      if (strlen(yytext) >= 4 && strcmp(yytext + strlen(yytext) - 2, "*/") == 0) {
data/ruby-github-linguist-7.9.0/ext/linguist/lex.linguist_yy.c:1835:38:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
	return linguist_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
data/ruby-github-linguist-7.9.0/ext/linguist/linguist.c:38:10:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
			len = strlen(extra.token);
data/ruby-github-linguist-7.9.0/ext/linguist/linguist.c:44:10:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
			len = strlen(extra.token);
data/ruby-github-linguist-7.9.0/ext/linguist/linguist.c:53:10:  [1] (buffer) strlen:
  Does not handle strings that are not \0-terminated; if given one it may
  perform an over-read (it could cause a crash if unprotected) (CWE-126).
			len = strlen(extra.token);

ANALYSIS SUMMARY:

Hits = 10
Lines analyzed = 2665 in approximately 0.15 seconds (18007 lines/second)
Physical Source Lines of Code (SLOC) = 1751
Hits@level = [0]   2 [1]   9 [2]   1 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]  12 [1+]  10 [2+]   1 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 6.85323 [1+] 5.71102 [2+] 0.571102 [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.