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/libhomfly-1.02r6/lib/bound.c Examining data/libhomfly-1.02r6/lib/bound.h Examining data/libhomfly-1.02r6/lib/control.c Examining data/libhomfly-1.02r6/lib/control.h Examining data/libhomfly-1.02r6/lib/dllink.c Examining data/libhomfly-1.02r6/lib/dllink.h Examining data/libhomfly-1.02r6/lib/homfly.c Examining data/libhomfly-1.02r6/lib/homfly.h Examining data/libhomfly-1.02r6/lib/knot.c Examining data/libhomfly-1.02r6/lib/knot.h Examining data/libhomfly-1.02r6/lib/model.c Examining data/libhomfly-1.02r6/lib/model.h Examining data/libhomfly-1.02r6/lib/order.c Examining data/libhomfly-1.02r6/lib/order.h Examining data/libhomfly-1.02r6/lib/poly.c Examining data/libhomfly-1.02r6/lib/poly.h Examining data/libhomfly-1.02r6/lib/standard.h Examining data/libhomfly-1.02r6/test/homfly.h Examining data/libhomfly-1.02r6/test/test_example.c FINAL RESULTS: data/libhomfly-1.02r6/lib/poly.c:75:9: [4] (format) sprintf: Potential format string problem (CWE-134). Make format string constant. sprintf(bp+offs, __VA_ARGS__, &pos);\ data/libhomfly-1.02r6/lib/knot.c:75:3: [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. char name[20]; data/libhomfly-1.02r6/lib/model.c:249:3: [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. char mem2[BIGMODEL]; data/libhomfly-1.02r6/lib/model.c:561:3: [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. char mem[BIGMODEL]; data/libhomfly-1.02r6/lib/model.c:562:3: [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. char extra[2*sizeof(node)]; data/libhomfly-1.02r6/test/test_example.c:27:5: [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. char name[BUFFER_SIZE]; data/libhomfly-1.02r6/test/test_example.c:28:5: [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. char input[BUFFER_SIZE]; data/libhomfly-1.02r6/test/test_example.c:29:5: [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. char test[BUFFER_SIZE]; data/libhomfly-1.02r6/test/test_example.c:40:9: [2] (misc) fopen: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). f = fopen(argv[1], "r"); data/libhomfly-1.02r6/test/test_example.c:62:14: [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). name[strlen(name)-1] = '\0'; data/libhomfly-1.02r6/test/test_example.c:63:15: [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). input[strlen(input)-1] = '\0'; data/libhomfly-1.02r6/test/test_example.c:64:14: [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). test[strlen(test)-1] = '\0'; ANALYSIS SUMMARY: Hits = 12 Lines analyzed = 2604 in approximately 0.21 seconds (12314 lines/second) Physical Source Lines of Code (SLOC) = 1740 Hits@level = [0] 14 [1] 3 [2] 8 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 26 [1+] 12 [2+] 9 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 14.9425 [1+] 6.89655 [2+] 5.17241 [3+] 0.574713 [4+] 0.574713 [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.