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/xylib-1.3/xylib/cpi.cpp
Examining data/xylib-1.3/xylib/xfit_xdd.h
Examining data/xylib-1.3/xylib/canberra_cnf.h
Examining data/xylib-1.3/xylib/dbws.cpp
Examining data/xylib-1.3/xylib/text.cpp
Examining data/xylib-1.3/xylib/canberra_mca.h
Examining data/xylib-1.3/xylib/csv.h
Examining data/xylib-1.3/xylib/philips_udf.h
Examining data/xylib-1.3/xylib/xylib.h
Examining data/xylib-1.3/xylib/rigaku_dat.cpp
Examining data/xylib-1.3/xylib/util.h
Examining data/xylib-1.3/xylib/cache.cpp
Examining data/xylib-1.3/xylib/cpi.h
Examining data/xylib-1.3/xylib/specsxy.h
Examining data/xylib-1.3/xylib/csv.cpp
Examining data/xylib-1.3/xylib/uxd.cpp
Examining data/xylib-1.3/xylib/philips_raw.h
Examining data/xylib-1.3/xylib/riet7.h
Examining data/xylib-1.3/xylib/vamas.h
Examining data/xylib-1.3/xylib/gsas.h
Examining data/xylib-1.3/xylib/brucker_raw.h
Examining data/xylib-1.3/xylib/philips_raw.cpp
Examining data/xylib-1.3/xylib/pdcif.cpp
Examining data/xylib-1.3/xylib/xylib.cpp
Examining data/xylib-1.3/xylib/util.cpp
Examining data/xylib-1.3/xylib/chiplot.h
Examining data/xylib-1.3/xylib/canberra_mca.cpp
Examining data/xylib-1.3/xylib/riet7.cpp
Examining data/xylib-1.3/xylib/brucker_raw.cpp
Examining data/xylib-1.3/xylib/spectra.h
Examining data/xylib-1.3/xylib/pdcif.h
Examining data/xylib-1.3/xylib/rigaku_dat.h
Examining data/xylib-1.3/xylib/chiplot.cpp
Examining data/xylib-1.3/xylib/xfit_xdd.cpp
Examining data/xylib-1.3/xylib/text.h
Examining data/xylib-1.3/xylib/canberra_cnf.cpp
Examining data/xylib-1.3/xylib/specsxy.cpp
Examining data/xylib-1.3/xylib/dbws.h
Examining data/xylib-1.3/xylib/vamas.cpp
Examining data/xylib-1.3/xylib/uxd.h
Examining data/xylib-1.3/xylib/spectra.cpp
Examining data/xylib-1.3/xylib/winspec_spe.cpp
Examining data/xylib-1.3/xylib/gsas.cpp
Examining data/xylib-1.3/xylib/winspec_spe.h
Examining data/xylib-1.3/xylib/philips_udf.cpp
Examining data/xylib-1.3/xylib/cache.h
Examining data/xylib-1.3/xyconv.cpp

FINAL RESULTS:

data/xylib-1.3/xylib/util.h:72:5:  [4] (format) _snprintf:
  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.
    _snprintf(buffer, N, fmt, t);
data/xylib-1.3/xylib/util.h:74:5:  [4] (format) snprintf:
  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.
    snprintf(buffer, N, fmt, t);
data/xylib-1.3/xyconv.cpp:128:13:  [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).
        f = fopen(fname.c_str(), "w");
data/xylib-1.3/xylib/canberra_cnf.cpp:39:5:  [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 buf[48];
data/xylib-1.3/xylib/canberra_cnf.cpp:113:5:  [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 s[64];
data/xylib-1.3/xylib/csv.cpp:89:5:  [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[1600]; // more than enough for one line
data/xylib-1.3/xylib/riet7.cpp:35:5:  [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 line[256];
data/xylib-1.3/xylib/spectra.cpp:29:5:  [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 line[256];
data/xylib-1.3/xylib/spectra.cpp:65:5:  [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 line[256];
data/xylib-1.3/xylib/util.cpp:112:12:  [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.
    static char buf[256];
data/xylib-1.3/xylib/util.cpp:262:5:  [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 line[256];
data/xylib-1.3/xylib/util.h:70:5:  [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[N];
data/xylib-1.3/xylib/xylib.cpp:104:12:  [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.
    static char ver[16];
data/xylib-1.3/xylib/xylib.cpp:106:9:  [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(ver, "%d.%d.%d", XYLIB_VERSION / 10000,
data/xylib-1.3/xyconv.cpp:92:30:  [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).
            bool has_exts = (strlen(fi->exts) != 0);
data/xylib-1.3/xylib/canberra_cnf.cpp:41:11:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
        f.read(buf, 48);
data/xylib-1.3/xylib/canberra_cnf.cpp:54:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(buf, 48);
data/xylib-1.3/xylib/canberra_mca.cpp:35:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(all_data, file_size);
data/xylib-1.3/xylib/canberra_mca.cpp:56:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(all_data, file_size);
data/xylib-1.3/xylib/specsxy.cpp:219:15:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
        while(read){
data/xylib-1.3/xylib/util.cpp:66:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(buf, len);
data/xylib-1.3/xylib/winspec_spe.cpp:174:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(&calib.calib_valid, 1);
data/xylib-1.3/xylib/winspec_spe.cpp:177:7:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    f.read(&calib.polynom_order, 1);
data/xylib-1.3/xylib/xylib.cpp:601:22:  [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).
        size_t len = strlen(exts);

ANALYSIS SUMMARY:

Hits = 24
Lines analyzed = 6550 in approximately 0.17 seconds (38668 lines/second)
Physical Source Lines of Code (SLOC) = 4648
Hits@level = [0]  19 [1]  10 [2]  12 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]  43 [1+]  24 [2+]  14 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 9.25129 [1+] 5.16351 [2+] 3.01205 [3+] 0.430293 [4+] 0.430293 [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.