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/power-calibrate-0.01.31/power-calibrate.c
Examining data/power-calibrate-0.01.31/perf.h
Examining data/power-calibrate-0.01.31/perf.c

FINAL RESULTS:

data/power-calibrate-0.01.31/power-calibrate.c:844:9:  [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.
		(void)printf(fmt,
data/power-calibrate-0.01.31/power-calibrate.c:853:9:  [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.
		(void)printf(fmt,
data/power-calibrate-0.01.31/power-calibrate.c:1075:9:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
		(void)sprintf(filename, "/proc/acpi/battery/%s/state", dirent->d_name);
data/power-calibrate-0.01.31/power-calibrate.c:1111:4:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
			sprintf(filename, "/proc/acpi/battery/%s/info",
data/power-calibrate-0.01.31/power-calibrate.c:2066:11:  [3] (buffer) getopt:
  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(argc, argv, "d:ehn:o:ps:r:R");
data/power-calibrate-0.01.31/power-calibrate.c:245:12:  [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).
	if ((fp = fopen(path, "r")) == NULL)
data/power-calibrate-0.01.31/power-calibrate.c:540:2:  [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 buffer[4096];
data/power-calibrate-0.01.31/power-calibrate.c:542:12:  [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).
	if ((fp = fopen(file, "r")) == NULL)
data/power-calibrate-0.01.31/power-calibrate.c:610:2:  [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 buf[4096];
data/power-calibrate-0.01.31/power-calibrate.c:624:12:  [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).
	if ((fp = fopen("/proc/stat", "r")) == NULL) {
data/power-calibrate-0.01.31/power-calibrate.c:819:2:  [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 buf[10], bogo_ops[10];
data/power-calibrate-0.01.31/power-calibrate.c:835:3:  [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 cpu_cycles[10], cpu_instr[10];
data/power-calibrate-0.01.31/power-calibrate.c:936:4:  [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 path[PATH_MAX];
data/power-calibrate-0.01.31/power-calibrate.c:954:14:  [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).
			if ((fp = fopen(path, "r")) == NULL) {
data/power-calibrate-0.01.31/power-calibrate.c:960:5:  [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 buffer[4096];
data/power-calibrate-0.01.31/power-calibrate.c:1048:2:  [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[PATH_MAX];
data/power-calibrate-0.01.31/power-calibrate.c:1069:3:  [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[4096];
data/power-calibrate-0.01.31/power-calibrate.c:1076:15:  [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).
		if ((file = fopen(filename, "r")) == NULL)
data/power-calibrate-0.01.31/power-calibrate.c:1113:16:  [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).
			if ((file = fopen(filename, "r")) != NULL) {
data/power-calibrate-0.01.31/power-calibrate.c:1203:3:  [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 path[PATH_MAX];
data/power-calibrate-0.01.31/power-calibrate.c:1227:13:  [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).
		if ((fp = fopen(path, "r")) != NULL) {
data/power-calibrate-0.01.31/power-calibrate.c:1237:13:  [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).
		if ((fp = fopen(path, "r")) != NULL) {
data/power-calibrate-0.01.31/power-calibrate.c:1238:4:  [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 domain_name[128];
data/power-calibrate-0.01.31/power-calibrate.c:1286:3:  [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 path[PATH_MAX];
data/power-calibrate-0.01.31/power-calibrate.c:1294:13:  [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).
		if ((fp = fopen(path, "r")) == NULL)
data/power-calibrate-0.01.31/power-calibrate.c:1509:4:  [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 tmbuffer[10];
data/power-calibrate-0.01.31/power-calibrate.c:1775:2:  [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 watts[16];
data/power-calibrate-0.01.31/power-calibrate.c:1790:3:  [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 amps[16], volts[16];
data/power-calibrate-0.01.31/power-calibrate.c:1834:4:  [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 buffer[1024];
data/power-calibrate-0.01.31/power-calibrate.c:2072:18:  [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).
			start_delay = atoi(optarg);
data/power-calibrate-0.01.31/power-calibrate.c:2095:23:  [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).
			opt_run_duration = atoi(optarg);
data/power-calibrate-0.01.31/power-calibrate.c:2108:18:  [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).
			samples_cpu = atoi(optarg);
data/power-calibrate-0.01.31/power-calibrate.c:2133:18:  [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).
		sample_delay = atoi(argv[optind++]);
data/power-calibrate-0.01.31/power-calibrate.c:2141:15:  [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).
		if ((yaml = fopen(filename, "w")) == NULL) {
data/power-calibrate-0.01.31/perf.c:153:10:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
			ret = read(fd, &data, sizeof(data));
data/power-calibrate-0.01.31/power-calibrate.c:935:17:  [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 (dirent && strlen(dirent->d_name) > 2) {
data/power-calibrate-0.01.31/power-calibrate.c:947:9:  [1] (buffer) mismatch:
  Function does not check the second iterator for over-read conditions
  (CWE-126). This function is often discouraged by most C++ coding standards
  in favor of its safer alternatives provided since C++14. Consider using a
  form of this function that checks the second iterator before potentially
  overflowing it.
				if (mismatch)
data/power-calibrate-0.01.31/power-calibrate.c:972:10:  [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(buffer) > sizeof(SYS_FIELD_CURRENT_NOW) - 1) {
data/power-calibrate-0.01.31/power-calibrate.c:979:10:  [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(buffer) > sizeof(SYS_FIELD_POWER_NOW) - 1) {
data/power-calibrate-0.01.31/power-calibrate.c:986:10:  [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(buffer) > sizeof(SYS_FIELD_VOLTAGE_NOW) - 1) {
data/power-calibrate-0.01.31/power-calibrate.c:1072:7:  [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 (strlen(dirent->d_name) < 3)

ANALYSIS SUMMARY:

Hits = 41
Lines analyzed = 2467 in approximately 0.07 seconds (33497 lines/second)
Physical Source Lines of Code (SLOC) = 1836
Hits@level = [0] 100 [1]   7 [2]  29 [3]   1 [4]   4 [5]   0
Hits@level+ = [0+] 141 [1+]  41 [2+]  34 [3+]   5 [4+]   4 [5+]   0
Hits/KSLOC@level+ = [0+] 76.7974 [1+] 22.3312 [2+] 18.5185 [3+] 2.72331 [4+] 2.17865 [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.