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/rus-ispell-0.99g5/old/koi2alt.c
Examining data/rus-ispell-0.99g5/old/koi2iso.c

FINAL RESULTS:

data/rus-ispell-0.99g5/old/koi2alt.c:31:16:  [1] (buffer) getchar:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
   while ((c = getchar()) != EOF)
data/rus-ispell-0.99g5/old/koi2iso.c:31:16:  [1] (buffer) getchar:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
   while ((c = getchar()) != EOF)

ANALYSIS SUMMARY:

Hits = 2
Lines analyzed = 70 in approximately 0.02 seconds (3919 lines/second)
Physical Source Lines of Code (SLOC) = 62
Hits@level = [0]   2 [1]   2 [2]   0 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]   4 [1+]   2 [2+]   0 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 64.5161 [1+] 32.2581 [2+]   0 [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.