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/ptouch-driver-1.5.1/ptexplain.c
Examining data/ptouch-driver-1.5.1/rastertoptch.c

FINAL RESULTS:

data/ptouch-driver-1.5.1/ptexplain.c:72:25:  [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.
__attribute__ ((format (printf, 2, 3)))
data/ptouch-driver-1.5.1/ptexplain.c:81:3:  [4] (format) vprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
  vprintf (fmt, ap);
data/ptouch-driver-1.5.1/ptexplain.c:132:9:  [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 (" %sESC%s" + first,
data/ptouch-driver-1.5.1/ptexplain.c:137:9:  [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 (" %s^Z%s" + first,
data/ptouch-driver-1.5.1/ptexplain.c:143:11:  [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 (" %s%c%s" + first,
data/ptouch-driver-1.5.1/ptexplain.c:146:4:  [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 (" %s%02x%s" + first,
data/ptouch-driver-1.5.1/ptexplain.c:151:7:  [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 (" %s%02x%s" + first,
data/ptouch-driver-1.5.1/ptexplain.c:157:5:  [4] (format) vprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
    vprintf (fmt, *ap);
data/ptouch-driver-1.5.1/ptexplain.c:163:25:  [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.
__attribute__ ((format (printf, 1, 2)))
data/ptouch-driver-1.5.1/ptexplain.c:174:25:  [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.
__attribute__ ((format (printf, 1, 2)))
data/ptouch-driver-1.5.1/ptexplain.c:454:25:  [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.
__attribute__ ((format (printf, 3, 4)))
data/ptouch-driver-1.5.1/ptexplain.c:461:9:  [4] (format) vsnprintf:
  If format strings can be influenced by an attacker, they can be exploited,
  and note that sprintf variations do not always \0-terminate (CWE-134). Use
  a constant for the format specification.
  len = vsnprintf (*str, end - *str - 1, fmt, ap);
data/ptouch-driver-1.5.1/ptexplain.c:814:14:  [3] (buffer) getopt_long:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
    char c = getopt_long (argc, argv, options, long_options, NULL);
data/ptouch-driver-1.5.1/rastertoptch.c:1592:13:  [3] (buffer) getopt_long:
  Some older implementations do not protect against internal buffer overflows
  (CWE-120, CWE-20). Check implementation on installation, or limit the size
  of all string inputs.
    int c = getopt_long (argc, argv, "hi:o:", long_options, NULL);
data/ptouch-driver-1.5.1/ptexplain.c:87:12:  [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.
  unsigned char type[COMMAND_STACK_SIZE];
data/ptouch-driver-1.5.1/ptexplain.c:88:12:  [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.
  unsigned char data[COMMAND_STACK_SIZE];
data/ptouch-driver-1.5.1/ptexplain.c:195:7:  [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 text[HEX_CHUNK_SIZE + 1];
data/ptouch-driver-1.5.1/ptexplain.c:305:5:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
    memcpy (image.buffer + image.size, row, image.row_size);
data/ptouch-driver-1.5.1/ptexplain.c:396:8:  [2] (misc) fopen:
  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).
  fp = fopen (filename, "wb");
data/ptouch-driver-1.5.1/ptexplain.c:473:10:  [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 char buffer[256];
data/ptouch-driver-1.5.1/ptexplain.c:627:4:  [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 info[256];
data/ptouch-driver-1.5.1/ptexplain.c:630:6:  [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(strchr(info, 0), " kind=0x%02x", d[1]);
data/ptouch-driver-1.5.1/ptexplain.c:632:6:  [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(strchr(info, 0), " width=%u", d[2]);
data/ptouch-driver-1.5.1/ptexplain.c:634:6:  [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(strchr(info, 0), " length=%u", d[3]);
data/ptouch-driver-1.5.1/ptexplain.c:635:4:  [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(strchr(info, 0), " lines=%u",
data/ptouch-driver-1.5.1/ptexplain.c:639:6:  [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(strchr(info, 0), " page=first");
data/ptouch-driver-1.5.1/ptexplain.c:642:6:  [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(strchr(info, 0), " page=non-first");
data/ptouch-driver-1.5.1/ptexplain.c:645:6:  [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(strchr(info, 0), " page=last");
data/ptouch-driver-1.5.1/ptexplain.c:856:14:  [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).
    int fd = open (filename, O_RDONLY);
data/ptouch-driver-1.5.1/rastertoptch.c:328:3:  [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 buffer[64];
data/ptouch-driver-1.5.1/rastertoptch.c:890:16:  [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 unsigned char mirror [0x100] = {
data/ptouch-driver-1.5.1/rastertoptch.c:1174:9:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
        memcpy (rle_next, mix_start, mix_len);    \
data/ptouch-driver-1.5.1/rastertoptch.c:1624:14:  [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).
    int fd = open (input_filename, O_RDONLY);
data/ptouch-driver-1.5.1/rastertoptch.c:1634:14:  [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).
    int fd = open (output_filename, O_CREAT | O_WRONLY | O_TRUNC, 0666);
data/ptouch-driver-1.5.1/ptexplain.c:193:13:  [1] (buffer) getchar:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    int c = getchar ();
data/ptouch-driver-1.5.1/ptexplain.c:226:7:  [1] (buffer) getchar:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
  c = getchar ();
data/ptouch-driver-1.5.1/ptexplain.c:551:19:  [1] (buffer) getchar:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
      while ((c = getchar ()) == 0)

ANALYSIS SUMMARY:

Hits = 37
Lines analyzed = 2528 in approximately 0.09 seconds (26938 lines/second)
Physical Source Lines of Code (SLOC) = 1832
Hits@level = [0]  41 [1]   3 [2]  20 [3]   2 [4]  12 [5]   0
Hits@level+ = [0+]  78 [1+]  37 [2+]  34 [3+]  14 [4+]  12 [5+]   0
Hits/KSLOC@level+ = [0+] 42.5764 [1+] 20.1965 [2+] 18.559 [3+] 7.64192 [4+] 6.55022 [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.