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/r-cran-stringdist-0.9.6.3/src/lv.c
Examining data/r-cran-stringdist-0.9.6.3/src/lcs.c
Examining data/r-cran-stringdist-0.9.6.3/src/jaro.c
Examining data/r-cran-stringdist-0.9.6.3/src/utils.c
Examining data/r-cran-stringdist-0.9.6.3/src/stringdist.h
Examining data/r-cran-stringdist-0.9.6.3/src/qtree.h
Examining data/r-cran-stringdist-0.9.6.3/src/Rstringdist.c
Examining data/r-cran-stringdist-0.9.6.3/src/utils.h
Examining data/r-cran-stringdist-0.9.6.3/src/utf8ToInt.c
Examining data/r-cran-stringdist-0.9.6.3/src/soundex.c
Examining data/r-cran-stringdist-0.9.6.3/src/osa.c
Examining data/r-cran-stringdist-0.9.6.3/src/R_register_native.c
Examining data/r-cran-stringdist-0.9.6.3/src/dictionary.h
Examining data/r-cran-stringdist-0.9.6.3/src/stringdist.c
Examining data/r-cran-stringdist-0.9.6.3/src/qgram.c
Examining data/r-cran-stringdist-0.9.6.3/src/hamming.c
Examining data/r-cran-stringdist-0.9.6.3/src/dl.c
Examining data/r-cran-stringdist-0.9.6.3/src/dist.h
Examining data/r-cran-stringdist-0.9.6.3/inst/include/stringdist_api.h

FINAL RESULTS:

data/r-cran-stringdist-0.9.6.3/src/qgram.c:239:5:  [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(Q->qgram, qgram, sizeof(int) * q);
data/r-cran-stringdist-0.9.6.3/src/qgram.c:243:24:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
    if (node != NULL ) memcpy(node, Q->n, sizeof(double) * nLoc);
data/r-cran-stringdist-0.9.6.3/src/qgram.c:252:24:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
    if (node != NULL ) memcpy(node,Q->n, sizeof(double) * nLoc);
data/r-cran-stringdist-0.9.6.3/src/qgram.c:277:23:  [2] (buffer) memcpy:
  Does not check for buffer overflows when copying to destination (CWE-120).
  Make sure destination can always hold the source data.
    if (node != NULL) memcpy(node, Q->n, sizeof(double) * nLoc);
data/r-cran-stringdist-0.9.6.3/src/qgram.c:517:3:  [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(qgrams + q*index[0], Q->qgram, sizeof(int) * q);
data/r-cran-stringdist-0.9.6.3/src/qgram.c:518:3:  [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(count + nLoc*index[0], Q->n, sizeof(double) * nLoc);
data/r-cran-stringdist-0.9.6.3/src/soundex.c:240:5:  [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 sndx[5];
data/r-cran-stringdist-0.9.6.3/src/stringdist.c:47:7:  [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(S->weight, va_arg(args, double *), 4*sizeof(double));
data/r-cran-stringdist-0.9.6.3/src/stringdist.c:52:7:  [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(S->weight, va_arg(args, double *), 3*sizeof(double));
data/r-cran-stringdist-0.9.6.3/src/stringdist.c:58:7:  [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(S->weight, va_arg(args, double *), 4*sizeof(double));
data/r-cran-stringdist-0.9.6.3/src/stringdist.c:85:7:  [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(S->weight, va_arg(args, double *), 3*sizeof(double));
data/r-cran-stringdist-0.9.6.3/src/utf8ToInt.c:163:5:  [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(c , INTEGER(VECTOR_ELT(x,i)), (*len) * sizeof(int));
data/r-cran-stringdist-0.9.6.3/src/utf8ToInt.c:237:9:  [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(d, INTEGER(VECTOR_ELT(str,i)), (*t)*sizeof(int) );
data/r-cran-stringdist-0.9.6.3/src/qgram.c:284:50:  [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).
static qtree *push_string(unsigned int *str, int strlen, unsigned int q, qtree *Q, int iLoc, int nLoc){

ANALYSIS SUMMARY:

Hits = 14
Lines analyzed = 3015 in approximately 0.10 seconds (29753 lines/second)
Physical Source Lines of Code (SLOC) = 1721
Hits@level = [0]   0 [1]   1 [2]  13 [3]   0 [4]   0 [5]   0
Hits@level+ = [0+]  14 [1+]  14 [2+]  13 [3+]   0 [4+]   0 [5+]   0
Hits/KSLOC@level+ = [0+] 8.13481 [1+] 8.13481 [2+] 7.55375 [3+]   0 [4+]   0 [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.