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/libmath-planepath-perl-128/devel/exe-atan2.c Examining data/libmath-planepath-perl-128/devel/exe-complex-minus.c Examining data/libmath-planepath-perl-128/devel/exe-complex-plus.c Examining data/libmath-planepath-perl-128/devel/exe-complex-revolving.c FINAL RESULTS: data/libmath-planepath-perl-128/devel/exe-atan2.c:27:30: [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. union { double d; unsigned char byte[8]; } u; data/libmath-planepath-perl-128/devel/exe-complex-minus.c:34:10: [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. static char str[256]; data/libmath-planepath-perl-128/devel/exe-complex-minus.c:35:10: [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. static char dstr[256]; data/libmath-planepath-perl-128/devel/exe-complex-minus.c:40:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf (dstr, "[%d]", digit); data/libmath-planepath-perl-128/devel/exe-complex-minus.c:43:5: [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 (str+pos, dstr, dlen); data/libmath-planepath-perl-128/devel/exe-complex-plus.c:34:10: [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. static char str[256]; data/libmath-planepath-perl-128/devel/exe-complex-plus.c:35:10: [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. static char dstr[256]; data/libmath-planepath-perl-128/devel/exe-complex-plus.c:40:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf (dstr, "[%d]", digit); data/libmath-planepath-perl-128/devel/exe-complex-plus.c:43:5: [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 (str+pos, dstr, dlen); data/libmath-planepath-perl-128/devel/exe-complex-revolving.c:34:10: [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. static char str[sizeof(n)*8+1]; data/libmath-planepath-perl-128/devel/exe-complex-minus.c:41:16: [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). int dlen = strlen(dstr); data/libmath-planepath-perl-128/devel/exe-complex-plus.c:41:16: [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). int dlen = strlen(dstr); data/libmath-planepath-perl-128/devel/exe-complex-revolving.c:115:22: [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). int binary_len = strlen(binary_str); ANALYSIS SUMMARY: Hits = 13 Lines analyzed = 461 in approximately 0.09 seconds (5192 lines/second) Physical Source Lines of Code (SLOC) = 299 Hits@level = [0] 23 [1] 3 [2] 10 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 36 [1+] 13 [2+] 10 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 120.401 [1+] 43.4783 [2+] 33.4448 [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.