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-fastmatch-1.1-0/src/common.h Examining data/r-cran-fastmatch-1.1-0/src/ctapply.c Examining data/r-cran-fastmatch-1.1-0/src/fastmatch.c Examining data/r-cran-fastmatch-1.1-0/src/fasthash.c FINAL RESULTS: data/r-cran-fastmatch-1.1-0/src/ctapply.c:51:28: [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 (TYPEOF(by) == INTSXP) memcpy(INTEGER(cdi), INTEGER(by) + i0, sizeof(int) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:52:34: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else if (TYPEOF(by) == REALSXP) memcpy(REAL(cdi), REAL(by) + i0, sizeof(double) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:53:33: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else if (TYPEOF(by) == STRSXP) memcpy(STRING_PTR(cdi), STRING_PTR(by) + i0, sizeof(SEXP) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:55:29: [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 (TYPEOF(vec) == INTSXP) memcpy(INTEGER(cdv), INTEGER(vec) + i0, sizeof(int) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:56:35: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else if (TYPEOF(vec) == REALSXP) memcpy(REAL(cdv), REAL(vec) + i0, sizeof(double) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:57:34: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else if (TYPEOF(vec) == STRSXP) memcpy(STRING_PTR(cdv), STRING_PTR(vec) + i0, sizeof(SEXP) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:58:34: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else if (TYPEOF(vec) == VECSXP) memcpy(VECTOR_PTR(cdv), VECTOR_PTR(vec) + i0, sizeof(SEXP) * N); data/r-cran-fastmatch-1.1-0/src/ctapply.c:74:6: [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 cbuf[64]; data/r-cran-fastmatch-1.1-0/src/fasthash.c:429:5: [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(DATAPTR(res), DATAPTR(h->parent), sz); ANALYSIS SUMMARY: Hits = 9 Lines analyzed = 1088 in approximately 0.05 seconds (21302 lines/second) Physical Source Lines of Code (SLOC) = 856 Hits@level = [0] 5 [1] 0 [2] 9 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 14 [1+] 9 [2+] 9 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 16.3551 [1+] 10.514 [2+] 10.514 [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.