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/rexima-1.4/rexima.c

FINAL RESULTS:

data/rexima-1.4/rexima.c:325:7:  [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(mixerdev,optnarg);
data/rexima-1.4/rexima.c:40:1:  [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 dev_labels[SOUND_MIXER_NRDEVICES][80]=SOUND_DEVICE_LABELS;
data/rexima-1.4/rexima.c:41:1:  [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 dev_names [SOUND_MIXER_NRDEVICES][80]=SOUND_DEVICE_NAMES;
data/rexima-1.4/rexima.c:108:14:  [2] (misc) open:
  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).
if(((*mixfd)=open(mixerdev,O_RDWR))<0) die("open mixer device");
data/rexima-1.4/rexima.c:212:1:  [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 buf[60];
data/rexima-1.4/rexima.c:227:1:  [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(buf,"%3d%%",level);
data/rexima-1.4/rexima.c:455:9:  [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).
      l=atoi(argv[optnind]);
data/rexima-1.4/rexima.c:456:9:  [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).
      r=atoi(ptr+1);
data/rexima-1.4/rexima.c:465:36:  [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).
                     2*offset_sign:atoi(argv[optnind]));
data/rexima-1.4/rexima.c:467:34:  [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).
        mixer_setlevel(mixfd,tmp,atoi(argv[optnind]));
data/rexima-1.4/rexima.c:64:46:  [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).
if(optnind==argc || *(argv[optnind])!='-' || strlen(argv[optnind])<=1)
data/rexima-1.4/rexima.c:87:12:  [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).
if(optnpos>strlen(argv[optnind]))
data/rexima-1.4/rexima.c:323:27:  [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).
      if((mixerdev=malloc(strlen(optnarg)+1))==NULL)
data/rexima-1.4/rexima.c:438:31:  [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).
    for(f=(offset_sign?1:0);f<strlen(argv[optnind]);f++)
data/rexima-1.4/rexima.c:464:23:  [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).
                     (strlen(argv[optnind])<2)?

ANALYSIS SUMMARY:

Hits = 15
Lines analyzed = 578 in approximately 0.02 seconds (23747 lines/second)
Physical Source Lines of Code (SLOC) = 426
Hits@level = [0]  16 [1]   5 [2]   9 [3]   0 [4]   1 [5]   0
Hits@level+ = [0+]  31 [1+]  15 [2+]  10 [3+]   1 [4+]   1 [5+]   0
Hits/KSLOC@level+ = [0+] 72.77 [1+] 35.2113 [2+] 23.4742 [3+] 2.34742 [4+] 2.34742 [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.