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-pcict-0.5-4.1/src/strptime_360.h Examining data/r-cran-pcict-0.5-4.1/src/datetime_360.c FINAL RESULTS: data/r-cran-pcict-0.5-4.1/src/datetime_360.c:694:7: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(buf2, tzname[0]); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:695:7: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(buf2, p+2); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:698:7: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(buf2, q); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:718:4: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(buf2, p+nused); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:721:4: [4] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). strcat(buf2, p+nused); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1177:22: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). if(strlen(buff)) strcpy(am_pm[0], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1180:22: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). if(strlen(buff)) strcpy(am_pm[1], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1209:22: [4] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. if(wcslen(buff)) wcscpy(w_am_pm[0], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1212:22: [4] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. if(wcslen(buff)) wcscpy(w_am_pm[1], buff); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:311:5: [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(&oldtm, tm, sizeof(struct tm)); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:316:2: [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(tm, &oldtm, sizeof(struct tm)); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:373:5: [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(tm, &oldtm, sizeof(struct tm)); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:502:8: [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. extern char *Rtzname[2]; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:504:30: [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. extern __declspec(dllimport) char *tzname[2]; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:506:8: [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. extern char *tzname[2]; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:638:5: [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 buff[300]; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:687:3: [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 buf2[n]; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:717:4: [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(p2, "%0*.*f", ns+3, ns, s); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:720:4: [2] (buffer) strcat: Does not check for buffer overflows when concatenating to destination [MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or snprintf (warning: strncat is easily misused). Risk is low because the source is a constant string. strcat(p2, "%S"); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:818:3: [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(&tm2, &tm, sizeof(struct tm)); data/r-cran-pcict-0.5-4.1/src/datetime_360.c:827:3: [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(&tm2, &tm, sizeof(struct tm)); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1156:5: [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 buff[4]; data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1188:5: [2] (buffer) wchar_t: 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. wchar_t buff[4]; data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1227:2: [2] (buffer) wchar_t: 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. wchar_t wbuf[1001], wfmt[1001]; size_t n; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:686:17: [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). int n = (int) strlen(q) + 50; data/r-cran-pcict-0.5-4.1/src/datetime_360.c:693:7: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(buf2, q, p - q); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:66:34: [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). (__extension__ ({ size_t len = strlen (cs1); \ data/r-cran-pcict-0.5-4.1/src/strptime_360.h:73:30: [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). (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1)) data/r-cran-pcict-0.5-4.1/src/strptime_360.h:73:59: [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). (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1)) data/r-cran-pcict-0.5-4.1/src/strptime_360.h:205:19: [1] (buffer) wcslen: 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 i, n = wcslen(cs1); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:214:46: [1] (buffer) wcslen: 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). (Rwcsncasecmp ((cs1), (s2)) ? 0 : ((s2) += wcslen (cs1), 1)) data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1177:8: [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(buff)) strcpy(am_pm[0], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1180:8: [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(buff)) strcpy(am_pm[1], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1209:8: [1] (buffer) wcslen: 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(wcslen(buff)) wcscpy(w_am_pm[0], buff); data/r-cran-pcict-0.5-4.1/src/strptime_360.h:1212:8: [1] (buffer) wcslen: 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(wcslen(buff)) wcscpy(w_am_pm[1], buff); ANALYSIS SUMMARY: Hits = 35 Lines analyzed = 2219 in approximately 0.08 seconds (28741 lines/second) Physical Source Lines of Code (SLOC) = 1678 Hits@level = [0] 0 [1] 11 [2] 15 [3] 0 [4] 9 [5] 0 Hits@level+ = [0+] 35 [1+] 35 [2+] 24 [3+] 9 [4+] 9 [5+] 0 Hits/KSLOC@level+ = [0+] 20.8582 [1+] 20.8582 [2+] 14.3027 [3+] 5.36353 [4+] 5.36353 [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.