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/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c
Examining data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.h
Examining data/fcitx-cloudpinyin-0.3.7/src/cloudpinyinconifg.c
Examining data/fcitx-cloudpinyin-0.3.7/src/fetch.c
Examining data/fcitx-cloudpinyin-0.3.7/src/fetch.h
Examining data/fcitx-cloudpinyin-0.3.7/src/parse.c
Examining data/fcitx-cloudpinyin-0.3.7/src/parse.h

FINAL RESULTS:

data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:910:29:  [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(p + plength, result);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:925:25:  [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(p + plength, lastpos);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:575:9:  [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(&(queue->str[queue->size]), ptr, realsize);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:869:5:  [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 p[MAX_USER_INPUT + 1], *pinyin, *lastpos;
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.h:91:5:  [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 key[SOGOU_KEY_LENGTH + 1];
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:376:12:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
    while (read(cloudpinyin->pipeRecv, &c, sizeof(char)) > 0);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:460:46:  [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).
    char* urlstring = curl_escape(strPinyin, strlen(strPinyin));
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:594:65:  [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).
    HASH_ADD_KEYPTR(hh, cloudpinyin->cache, cacheEntry->pinyin, strlen(cacheEntry->pinyin), cacheEntry);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:875:5:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
    strncpy(p, string, hzlength);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:909:39:  [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 (plength + strlen(result) + (engine[cloudpinyin->config.source].supportSeparator ? 1 : 0) < MAX_USER_INPUT) {
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:911:40:  [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).
                            plength += strlen(result);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:913:33:  [1] (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 character.
                                strcat(p + plength, "'");
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:924:35:  [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 (plength + strlen(lastpos) + (PINYIN_USE_SEPARATOR_CASE ? 1 : 0) < MAX_USER_INPUT) {
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:926:36:  [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).
                        plength += strlen(lastpos);
data/fcitx-cloudpinyin-0.3.7/src/cloudpinyin.c:928:29:  [1] (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 character.
                            strcat(p + plength, "'");
data/fcitx-cloudpinyin-0.3.7/src/fetch.c:49:21:  [1] (buffer) read:
  Check buffer boundaries if used in a loop including recursive loops
  (CWE-120, CWE-20).
        while ((r = read(fetch->pipeRecv, &c, sizeof(char))) > 0) {
data/fcitx-cloudpinyin-0.3.7/src/parse.c:19:18:  [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).
        start += strlen( "\",[\"");
data/fcitx-cloudpinyin-0.3.7/src/parse.c:24:13:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
            strncpy(realstring, start, length);
data/fcitx-cloudpinyin-0.3.7/src/parse.c:45:18:  [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).
        start += strlen( "[[\"");
data/fcitx-cloudpinyin-0.3.7/src/parse.c:50:13:  [1] (buffer) strncpy:
  Easily used incorrectly; doesn't always \0-terminate or check for invalid
  pointers [MS-banned] (CWE-120).
            strncpy(realstring, start, length);

ANALYSIS SUMMARY:

Hits = 20
Lines analyzed = 1412 in approximately 0.05 seconds (31073 lines/second)
Physical Source Lines of Code (SLOC) = 1085
Hits@level = [0]   1 [1]  15 [2]   3 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]  21 [1+]  20 [2+]   5 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 19.3548 [1+] 18.4332 [2+] 4.60829 [3+] 1.84332 [4+] 1.84332 [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.