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/fcitx5-chewing-5.0.1/src/eim.cpp Examining data/fcitx5-chewing-5.0.1/src/eim.h FINAL RESULTS: data/fcitx5-chewing-5.0.1/src/eim.cpp:231:21: [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(buf_str.get()) != 0) { ANALYSIS SUMMARY: Hits = 1 Lines analyzed = 535 in approximately 0.03 seconds (16499 lines/second) Physical Source Lines of Code (SLOC) = 449 Hits@level = [0] 0 [1] 1 [2] 0 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 1 [1+] 1 [2+] 0 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 2.22717 [1+] 2.22717 [2+] 0 [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.