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/read-edid-3.0.2/get-edid/get-edid.c
Examining data/read-edid-3.0.2/get-edid/i2c-dev.h
Examining data/read-edid-3.0.2/get-edid/classic.c
Examining data/read-edid-3.0.2/get-edid/i2c.c
Examining data/read-edid-3.0.2/parse-edid/parse-edid.c
Examining data/read-edid-3.0.2/parse-edid/modes.h

FINAL RESULTS:

data/read-edid-3.0.2/get-edid/classic.c:28:40:  [4] (format) fprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
#define display(...) if (quiet == 0) { fprintf(stderr, __VA_ARGS__); }
data/read-edid-3.0.2/get-edid/get-edid.c:17:40:  [4] (format) fprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
#define display(...) if (quiet == 0) { fprintf(stderr, __VA_ARGS__); }
data/read-edid-3.0.2/get-edid/i2c.c:20:40:  [4] (format) fprintf:
  If format strings can be influenced by an attacker, they can be exploited
  (CWE-134). Use a constant for the format specification.
#define display(...) if (quiet == 0) { fprintf(stderr, __VA_ARGS__); }
data/read-edid-3.0.2/parse-edid/parse-edid.c:183:4:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
			sprintf(modearray[currentmode], "%s%u %u %u %u ", modearray[currentmode], hactive, hactive+hsyncoff, hactive+hsyncoff+hsyncwidth, hactive+hblank);
data/read-edid-3.0.2/parse-edid/parse-edid.c:184:4:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
			sprintf(modearray[currentmode], "%s%u %u %u %u ", modearray[currentmode], vactive, vactive+vsyncoff, vactive+vsyncoff+vsyncwidth, vactive+vblank);
data/read-edid-3.0.2/parse-edid/parse-edid.c:187:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
				sprintf(modearray[currentmode], "%s%shsync %svsync %s", modearray[currentmode], ((edid[i+17]&0x10) && edid[i+17]&0x02) ? "+": "-", ((edid[i+17]&0x10) && edid[i+17]&0x04) ? "+": "-", (edid[i+17]&0x80) ? "interlace": "");
data/read-edid-3.0.2/parse-edid/parse-edid.c:269:6:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
					sprintf(modearray[currentmode], "%s", ceamodes[extb[5+i]&0x7F]);
data/read-edid-3.0.2/parse-edid/parse-edid.c:310:4:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
			sprintf(modearray[currentmode], "%s%u %u %u %u ", modearray[currentmode], hactive, hactive+hsyncoff, hactive+hsyncoff+hsyncwidth, hactive+hblank);
data/read-edid-3.0.2/parse-edid/parse-edid.c:311:4:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
			sprintf(modearray[currentmode], "%s%u %u %u %u ", modearray[currentmode], vactive, vactive+vsyncoff, vactive+vsyncoff+vsyncwidth, vactive+vblank);
data/read-edid-3.0.2/parse-edid/parse-edid.c:315:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
				sprintf(modearray[currentmode], "%s%shsync %svsync %s", modearray[currentmode], ((extb[i+17]&0x10) && extb[i+17]&0x02) ? "+": "-", ((extb[i+17]&0x10) && extb[i+17]&0x04) ? "+": "-", (extb[i+17]&0x80) ? "interlace": "");
data/read-edid-3.0.2/get-edid/classic.c:26:41:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
#define dosmemput(buffer,length,offset) memcpy(offset,buffer,length)
data/read-edid-3.0.2/get-edid/classic.c:395:3:  [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( &vbe_version, buffer+4, 2 );
data/read-edid-3.0.2/get-edid/classic.c:396:3:  [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( &oem_string_ptr, buffer+6, 4 );
data/read-edid-3.0.2/get-edid/get-edid.c:22:2:  [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[128];
data/read-edid-3.0.2/get-edid/get-edid.c:37:9:  [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).
	return atoi(temp);
data/read-edid-3.0.2/get-edid/i2c.c:24:2:  [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 filename[16];
data/read-edid-3.0.2/get-edid/i2c.c:27:2:  [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(filename, "/dev/i2c-%d", i2cbus);
data/read-edid-3.0.2/get-edid/i2c.c:28:12:  [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).
	i2cfile = open(filename, O_RDWR);
data/read-edid-3.0.2/get-edid/i2c.c:32:13:  [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).
		i2cfile = open(filename, O_RDWR);
data/read-edid-3.0.2/get-edid/i2c.c:63:11:  [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 block[256];
data/read-edid-3.0.2/parse-edid/modes.h:1:1:  [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 ceamodes[61][128] = { //Guess who had to do these by hand... you're welcome.
data/read-edid-3.0.2/parse-edid/parse-edid.c:22:1:  [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 modearray[128][128];
data/read-edid-3.0.2/parse-edid/parse-edid.c:47:2:  [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 modelname[13];
data/read-edid-3.0.2/parse-edid/parse-edid.c:171:4:  [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(modearray[currentmode], "%.2f ", (double)pixclk / 100.0);
data/read-edid-3.0.2/parse-edid/parse-edid.c:298:4:  [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(modearray[currentmode], "%.2f ", (double)pixclk / 100.0);
data/read-edid-3.0.2/get-edid/get-edid.c:23:13:  [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 (i=0;i<strlen(str);i++) {
data/read-edid-3.0.2/parse-edid/parse-edid.c:349:6:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
	if (read(infd, &edid, 128) != 128)
data/read-edid-3.0.2/parse-edid/parse-edid.c:356:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
		if (read(infd, &extb, 128) != 128)

ANALYSIS SUMMARY:

Hits = 28
Lines analyzed = 1469 in approximately 0.06 seconds (24149 lines/second)
Physical Source Lines of Code (SLOC) = 1065
Hits@level = [0]  37 [1]   3 [2]  15 [3]   0 [4]  10 [5]   0
Hits@level+ = [0+]  65 [1+]  28 [2+]  25 [3+]  10 [4+]  10 [5+]   0
Hits/KSLOC@level+ = [0+] 61.0329 [1+] 26.2911 [2+] 23.4742 [3+] 9.38967 [4+] 9.38967 [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.