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/invaders-1.0.0/kernel.c
Examining data/invaders-1.0.0/multiboot.h
Examining data/invaders-1.0.0/types.h
Examining data/invaders-1.0.0/keyboard.h
Examining data/invaders-1.0.0/sound.h
Examining data/invaders-1.0.0/delay.h
Examining data/invaders-1.0.0/sound.c
Examining data/invaders-1.0.0/delay.c
Examining data/invaders-1.0.0/game.h
Examining data/invaders-1.0.0/common.h
Examining data/invaders-1.0.0/common.c
Examining data/invaders-1.0.0/memory.h
Examining data/invaders-1.0.0/memory.c
Examining data/invaders-1.0.0/video.c
Examining data/invaders-1.0.0/video.h
Examining data/invaders-1.0.0/io.h
Examining data/invaders-1.0.0/keyboard.c
Examining data/invaders-1.0.0/game.c

FINAL RESULTS:

data/invaders-1.0.0/common.c:3:6:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
void memcpy (void *dst, void *src, uint32 num)
data/invaders-1.0.0/common.h:6:6:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
void memcpy (void *dst, void *src, uint32 num);
data/invaders-1.0.0/io.h:185:30:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
#define memcpy_fromio(a,b,c)	memcpy((a),__io_virt(b),(c))
data/invaders-1.0.0/io.h:186:28:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
#define memcpy_toio(a,b,c)	memcpy(__io_virt(a),(b),(c))
data/invaders-1.0.0/video.c:46:3:  [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 ((uint8*)0xb8000, videohidden, 80*25*2);

ANALYSIS SUMMARY:

Hits = 5
Lines analyzed = 1034 in approximately 0.09 seconds (11212 lines/second)
Physical Source Lines of Code (SLOC) = 749
Hits@level = [0]   0 [1]   0 [2]   5 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]   5 [1+]   5 [2+]   5 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 6.67557 [1+] 6.67557 [2+] 6.67557 [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.