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/xsol-0.31/xsol.h
Examining data/xsol-0.31/xsol.c

FINAL RESULTS:

data/xsol-0.31/xsol.c:923:7:  [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(test,cards[i]);
data/xsol-0.31/xsol.c:924:7:  [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(cards[i],cards[newpos]);
data/xsol-0.31/xsol.c:925:7:  [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(cards[newpos],test);
data/xsol-0.31/xsol.c:935:7:  [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(temp->type, cards[i]);
data/xsol-0.31/xsol.c:1052:7:  [4] (buffer) strcat:
  Does not check for buffer overflows when concatenating to destination
  [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
  snprintf (warning: strncat is easily misused).
      strcat(temp, temp1);
data/xsol-0.31/xsol.c:1056:7:  [4] (buffer) strcat:
  Does not check for buffer overflows when concatenating to destination
  [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
  snprintf (warning: strncat is easily misused).
      strcat(temp, temp1);
data/xsol-0.31/xsol.c:1060:7:  [4] (buffer) strcat:
  Does not check for buffer overflows when concatenating to destination
  [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
  snprintf (warning: strncat is easily misused).
      strcat(temp, temp1);
data/xsol-0.31/xsol.c:920:4:  [3] (random) srand:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
   srand(time(NULL));
data/xsol-0.31/xsol.c:50:4:  [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 type[3]; /* Type of card, for example 2S = Two of Spades */
data/xsol-0.31/xsol.c:68:31:  [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.
int IsValidMove(int frompile, char fromcard[3], int topile, char tocard[3]);
data/xsol-0.31/xsol.c:68:61:  [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.
int IsValidMove(int frompile, char fromcard[3], int topile, char tocard[3]);
data/xsol-0.31/xsol.c:877:4:  [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[4];
data/xsol-0.31/xsol.c:880:4:  [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 cards[52][3] = {"AH", "2H", "3H", "4H", "5H", "6H", "7H", "8H", "9H", "TH", "JH", "QH", "KH",
data/xsol-0.31/xsol.c:951:13:  [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(test, "%c", temp->type[0]);
data/xsol-0.31/xsol.c:952:19:  [2] (integer) atoi:
  Unless checked, the resulting number can exceed the expected range
  (CWE-190). If source untrusted, check both minimum and maximum, even if the
  input had no minus sign (large numbers can roll over into negative number;
  consider saving to an unsigned value if that is intended).
            num = atoi(test)-2;
data/xsol-0.31/xsol.c:997:31:  [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.
int IsValidMove(int frompile, char fromcard[3], int topile, char tocard[3]) {
data/xsol-0.31/xsol.c:997:61:  [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.
int IsValidMove(int frompile, char fromcard[3], int topile, char tocard[3]) {
data/xsol-0.31/xsol.c:1047:4:  [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 temp[80] = "";
data/xsol-0.31/xsol.c:1048:4:  [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 temp1[40];
data/xsol-0.31/xsol.c:1051:7:  [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(temp1, "Time: %ld ", time_elapsed);
data/xsol-0.31/xsol.c:1055:7:  [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(temp1, "Score: %d ", score);
data/xsol-0.31/xsol.c:1059:7:  [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(temp1, "Cards In Deck: %d", numcards);
data/xsol-0.31/xsol.h:21:23:  [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 const unsigned char card_nums[14][32] = {
data/xsol-0.31/xsol.h:66:23:  [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 const unsigned char card_family[4][32] = {

ANALYSIS SUMMARY:

Hits = 24
Lines analyzed = 1277 in approximately 0.07 seconds (17029 lines/second)
Physical Source Lines of Code (SLOC) = 1087
Hits@level = [0]  18 [1]   0 [2]  16 [3]   1 [4]   7 [5]   0
Hits@level+ = [0+]  42 [1+]  24 [2+]  24 [3+]   8 [4+]   7 [5+]   0
Hits/KSLOC@level+ = [0+] 38.6385 [1+] 22.0791 [2+] 22.0791 [3+] 7.35971 [4+] 6.43974 [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.