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/gccintro-1.0/alpha.c Examining data/gccintro-1.0/ansi.c Examining data/gccintro-1.0/bad.c Examining data/gccintro-1.0/badpow.c Examining data/gccintro-1.0/bye_fn.c Examining data/gccintro-1.0/calc.c Examining data/gccintro-1.0/castqual.c Examining data/gccintro-1.0/collatz.c Examining data/gccintro-1.0/cov.c Examining data/gccintro-1.0/dbmain.c Examining data/gccintro-1.0/dtest.c Examining data/gccintro-1.0/dtestval3.c Examining data/gccintro-1.0/gnuarray.c Examining data/gccintro-1.0/hello.c Examining data/gccintro-1.0/hello_fn.c Examining data/gccintro-1.0/main.c Examining data/gccintro-1.0/main2.c Examining data/gccintro-1.0/main3.c Examining data/gccintro-1.0/main4.c Examining data/gccintro-1.0/nested.c Examining data/gccintro-1.0/optim.c Examining data/gccintro-1.0/shadow.c Examining data/gccintro-1.0/shadow2.c Examining data/gccintro-1.0/test.c Examining data/gccintro-1.0/uninit.c Examining data/gccintro-1.0/w.c Examining data/gccintro-1.0/buffer.h Examining data/gccintro-1.0/hello.h Examining data/gccintro-1.0/hello1.h Examining data/gccintro-1.0/templates.cc Examining data/gccintro-1.0/templates2.cc Examining data/gccintro-1.0/fptest2.c Examining data/gccintro-1.0/loop.c Examining data/gccintro-1.0/msg-assign.c Examining data/gccintro-1.0/msg-char.c Examining data/gccintro-1.0/msg-const.c Examining data/gccintro-1.0/msg-control.c Examining data/gccintro-1.0/msg-cppheader.c Examining data/gccintro-1.0/msg-derefincomplete.c Examining data/gccintro-1.0/msg-eoi.c Examining data/gccintro-1.0/msg-file.c Examining data/gccintro-1.0/msg-implicitdecl.c Examining data/gccintro-1.0/msg-init.c Examining data/gccintro-1.0/msg-invalidpp.c Examining data/gccintro-1.0/msg-nest1.h Examining data/gccintro-1.0/msg-nest2.h Examining data/gccintro-1.0/msg-null.c Examining data/gccintro-1.0/msg-parse.c Examining data/gccintro-1.0/msg-string2.c Examining data/gccintro-1.0/msg-string2.cc Examining data/gccintro-1.0/msg-undeclared.c Examining data/gccintro-1.0/msg-undef.c Examining data/gccintro-1.0/msg-unknownesc.c Examining data/gccintro-1.0/msg-unterm.c Parsing failed to find end of parameter list in ("Hello World!\n); /* no closing quote */ return 0; } Examining data/gccintro-1.0/msg-unused.c Examining data/gccintro-1.0/setfpu.c Examining data/gccintro-1.0/signed.c Examining data/gccintro-1.0/testgetc.c Examining data/gccintro-1.0/testgetc2.c Examining data/gccintro-1.0/wabs.c Examining data/gccintro-1.0/dtestval.c Examining data/gccintro-1.0/dtestval2.c Examining data/gccintro-1.0/hello.cc Examining data/gccintro-1.0/hellostr.cc Examining data/gccintro-1.0/null.c Examining data/gccintro-1.0/pi.c Examining data/gccintro-1.0/string.cc Examining data/gccintro-1.0/tprog.cc Examining data/gccintro-1.0/bof.c Examining data/gccintro-1.0/format.c FINAL RESULTS: data/gccintro-1.0/bof.c:12:7: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(dest, argv[1]); data/gccintro-1.0/format.c:9:7: [4] (format) fprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. fprintf(stderr, argv[1]); data/gccintro-1.0/msg-string2.c:6:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf ('Hello World!\n'); /* wrong quotes */ data/gccintro-1.0/msg-unterm.c:6:3: [4] (format) printf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. printf ("Hello World!\n); /* no closing quote */ data/gccintro-1.0/bof.c:8:3: [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 dest[DESTLEN]; data/gccintro-1.0/testgetc.c:7:15: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((c = getchar()) != EOF) /* not portable */ data/gccintro-1.0/testgetc2.c:7:15: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((i = getchar()) != EOF) ANALYSIS SUMMARY: Hits = 7 Lines analyzed = 725 in approximately 0.08 seconds (8788 lines/second) Physical Source Lines of Code (SLOC) = 636 Hits@level = [0] 43 [1] 2 [2] 1 [3] 0 [4] 4 [5] 0 Hits@level+ = [0+] 50 [1+] 7 [2+] 5 [3+] 4 [4+] 4 [5+] 0 Hits/KSLOC@level+ = [0+] 78.6164 [1+] 11.0063 [2+] 7.86164 [3+] 6.28931 [4+] 6.28931 [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.