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/astropy-regions-0.4/astropy_helpers/astropy_helpers/commands/src/compiler.c
Examining data/astropy-regions-0.4/regions/_compiler.c
Examining data/astropy-regions-0.4/regions/_geometry/circular_overlap.c
Examining data/astropy-regions-0.4/regions/_geometry/core.c
Examining data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c
Examining data/astropy-regions-0.4/regions/_geometry/pnpoly.c
Examining data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c
Examining data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c

FINAL RESULTS:

data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:769:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/core.c:770:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:770:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:768:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:768:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:770:5:  [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:722:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:7816:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:9258:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:9262:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/core.c:723:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/core.c:8087:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/core.c:9318:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/core.c:9322:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:723:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:7447:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:8889:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:8893:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:721:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:6926:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:8179:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:8183:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:721:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:7276:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:8718:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:8722:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:723:9:  [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 ascii_chars[128];
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:7079:5:  [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 warning[200];
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:8521:5:  [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 ctversion[4], rtversion[4];
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:8525:9:  [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 message[200];
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:646:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:767:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/circular_overlap.c:9360:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
data/astropy-regions-0.4/regions/_geometry/core.c:647:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/core.c:768:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/core.c:9403:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:647:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:768:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/elliptical_overlap.c:8991:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:645:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:766:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/pnpoly.c:8264:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:645:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:766:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/polygonal_overlap.c:8820:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:647:87:  [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).
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:768:52:  [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).
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
data/astropy-regions-0.4/regions/_geometry/rectangular_overlap.c:8569:65:  [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).
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));

ANALYSIS SUMMARY:

Hits = 48
Lines analyzed = 54997 in approximately 1.58 seconds (34841 lines/second)
Physical Source Lines of Code (SLOC) = 38264
Hits@level = [0]   0 [1]  18 [2]  24 [3]   0 [4]   6 [5]   0
Hits@level+ = [0+]  48 [1+]  48 [2+]  30 [3+]   6 [4+]   6 [5+]   0
Hits/KSLOC@level+ = [0+] 1.25444 [1+] 1.25444 [2+] 0.784027 [3+] 0.156805 [4+] 0.156805 [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.