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/inhomog-0.1.9.2/doc/examples/inhomog_demo.c Examining data/inhomog-0.1.9.2/inhomog.c Examining data/inhomog-0.1.9.2/lib/FLRW_background.c Examining data/inhomog-0.1.9.2/lib/Omega_D.c Examining data/inhomog-0.1.9.2/lib/Omega_D_BAO.c Examining data/inhomog-0.1.9.2/lib/Omega_D_VAv2.c Examining data/inhomog-0.1.9.2/lib/Omega_D_effWEC.c Examining data/inhomog-0.1.9.2/lib/Omega_D_precalc.c Examining data/inhomog-0.1.9.2/lib/alloc_big_array.c Examining data/inhomog-0.1.9.2/lib/alloc_big_array.h Examining data/inhomog-0.1.9.2/lib/backward_compatibility.c Examining data/inhomog-0.1.9.2/lib/biscale_partition.c Examining data/inhomog-0.1.9.2/lib/biscale_partition.h Examining data/inhomog-0.1.9.2/lib/c_gsl_wrap.c Examining data/inhomog-0.1.9.2/lib/curvature_backreaction.c Examining data/inhomog-0.1.9.2/lib/delta_tilde_integrals.c Examining data/inhomog-0.1.9.2/lib/effective_sigma8.c Examining data/inhomog-0.1.9.2/lib/growth_function.c Examining data/inhomog-0.1.9.2/lib/inhomog.h Examining data/inhomog-0.1.9.2/lib/kinematical_backreaction.c Examining data/inhomog-0.1.9.2/lib/parse_noempty_strtox.c Examining data/inhomog-0.1.9.2/lib/parse_noempty_strtox.h Examining data/inhomog-0.1.9.2/lib/power_spectrum_flatspace.c Examining data/inhomog-0.1.9.2/lib/power_spectrum_flatspace.h Examining data/inhomog-0.1.9.2/lib/print_benchmark.c Examining data/inhomog-0.1.9.2/lib/scale_factor_D.c Examining data/inhomog-0.1.9.2/lib/scale_factor_D_Ham.c Examining data/inhomog-0.1.9.2/lib/scale_factor_D_Ray.c Examining data/inhomog-0.1.9.2/lib/sigma_square_invariant_I.c Examining data/inhomog-0.1.9.2/lib/sigma_square_invariant_II.c Examining data/inhomog-0.1.9.2/lib/sigma_square_invariant_III.c Examining data/inhomog-0.1.9.2/lib/test_Omega_D.c Examining data/inhomog-0.1.9.2/lib/test_alloc_big_array.c Examining data/inhomog-0.1.9.2/lib/test_biscale_partition.c Examining data/inhomog-0.1.9.2/lib/test_fftw3.c Examining data/inhomog-0.1.9.2/lib/test_growth_function.c Examining data/inhomog-0.1.9.2/lib/test_gsl_ieee_mode.c Examining data/inhomog-0.1.9.2/lib/test_gsl_monte_carlo.c Examining data/inhomog-0.1.9.2/lib/test_gsl_multifit.c Examining data/inhomog-0.1.9.2/lib/test_gsl_uniform.c Examining data/inhomog-0.1.9.2/lib/test_kinematical_backreaction.c Examining data/inhomog-0.1.9.2/lib/test_ode.c Examining data/inhomog-0.1.9.2/lib/test_ode.h Examining data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c Examining data/inhomog-0.1.9.2/lib/test_power_spectrum_flatspace.c Examining data/inhomog-0.1.9.2/lib/test_scale_factor.c Examining data/inhomog-0.1.9.2/lib/test_scale_factor_D.c Examining data/inhomog-0.1.9.2/lib/test_scale_factor_D_Ham.c Examining data/inhomog-0.1.9.2/lib/test_scale_factor_D_Ray.c Examining data/inhomog-0.1.9.2/lib/test_sigma_invariants.c Examining data/inhomog-0.1.9.2/lib/test_sigma_invariants.h Examining data/inhomog-0.1.9.2/xmalloc.c FINAL RESULTS: data/inhomog-0.1.9.2/lib/Omega_D_BAO.c:389:11: [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(/*nsig=%4.1f%4.1f%4.1f*/" tB2 R : a_D H_D : Omm_D OmQ_D OmR_D %g %g : %g %g : %g %g %g : %g\n", data/inhomog-0.1.9.2/lib/Omega_D_VAv2.c:393:11: [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(/*nsig=%4.1f%4.1f%4.1f*/" tB2 R : a_D H_D : Omm_D OmQ_D OmR_D %g %g : %g %g : %g %g %g : %g\n", data/inhomog-0.1.9.2/lib/Omega_D_effWEC.c:408:11: [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(/*nsig=*/" %4.1f %4.1f %4.1f: tB2 R : a_D H_D : %g %g : %g %g : %g %g %g : %g : %g %g\n", data/inhomog-0.1.9.2/lib/Omega_D_precalc.c:854:9: [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(/*nsig=%4.1f%4.1f%4.1f*/ data/inhomog-0.1.9.2/xmalloc.c:39:14: [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). extern char *strcpy (); data/inhomog-0.1.9.2/xmalloc.c:140:3: [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 (p, str); data/inhomog-0.1.9.2/lib/test_gsl_ieee_mode.c:62:27: [3] (buffer) getenv: Environment variables are untrustable input if they can be set by an attacker. They can have any content and length, and the same variable can be set more than once (CWE-807, CWE-20). Check environment variables carefully before using them. old_env_gsl_ieee_mode = getenv("GSL_IEEE_MODE"); data/inhomog-0.1.9.2/lib/alloc_big_array.c:52:29: [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. const char alloc_type[5]){ data/inhomog-0.1.9.2/lib/alloc_big_array.c:60:39: [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. const char alloc_type[5]); data/inhomog-0.1.9.2/lib/alloc_big_array.c:63:39: [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. const char alloc_type[5]){ data/inhomog-0.1.9.2/lib/alloc_big_array.h:30:29: [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. const char alloc_type[5]); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:33:3: [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 string[256]; data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:34:3: [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 test_string[256]; data/inhomog-0.1.9.2/lib/test_power_spectrum_flatspace.c:88:3: [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 pow_spec_types[N_spec_types] = {'B', 'e', 'E'}; data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:41:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(string," 32 76.0 47",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:43:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(test_string,"45",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:48:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(test_string,"-42",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:53:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant character. strncpy(test_string,"",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:58:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(test_string," 23.0",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:63:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(test_string,"-42.0 ",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:68:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant string. strncpy(test_string,"-42.0 ",256); data/inhomog-0.1.9.2/lib/test_parse_noempty_strtox.c:73:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). Risk is low because the source is a constant character. strncpy(test_string,"",256); data/inhomog-0.1.9.2/xmalloc.c:38:15: [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). extern size_t strlen (); data/inhomog-0.1.9.2/xmalloc.c:139:16: [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). p = xmalloc (strlen (str) + 1); ANALYSIS SUMMARY: Hits = 24 Lines analyzed = 17166 in approximately 0.50 seconds (34069 lines/second) Physical Source Lines of Code (SLOC) = 10472 Hits@level = [0] 385 [1] 10 [2] 7 [3] 1 [4] 6 [5] 0 Hits@level+ = [0+] 409 [1+] 24 [2+] 14 [3+] 7 [4+] 6 [5+] 0 Hits/KSLOC@level+ = [0+] 39.0565 [1+] 2.29183 [2+] 1.3369 [3+] 0.668449 [4+] 0.572956 [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.