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/ltrsift-1.0.2/src/default_style.c
Examining data/ltrsift-1.0.2/src/default_style.h
Examining data/ltrsift-1.0.2/src/error.c
Examining data/ltrsift-1.0.2/src/error.h
Examining data/ltrsift-1.0.2/src/gtk_blastn_params.c
Examining data/ltrsift-1.0.2/src/gtk_blastn_params.h
Examining data/ltrsift-1.0.2/src/gtk_blastn_params_refseq.c
Examining data/ltrsift-1.0.2/src/gtk_blastn_params_refseq.h
Examining data/ltrsift-1.0.2/src/gtk_label_close.c
Examining data/ltrsift-1.0.2/src/gtk_label_close.h
Examining data/ltrsift-1.0.2/src/gtk_ltr_assistant.c
Examining data/ltrsift-1.0.2/src/gtk_ltr_assistant.h
Examining data/ltrsift-1.0.2/src/gtk_ltr_families.c
Examining data/ltrsift-1.0.2/src/gtk_ltr_families.h
Examining data/ltrsift-1.0.2/src/gtk_ltr_filter.c
Examining data/ltrsift-1.0.2/src/gtk_ltr_filter.h
Examining data/ltrsift-1.0.2/src/gtk_project_settings.c
Examining data/ltrsift-1.0.2/src/gtk_project_settings.h
Examining data/ltrsift-1.0.2/src/ltrsift.c
Examining data/ltrsift-1.0.2/src/ltrsift.h
Examining data/ltrsift-1.0.2/src/ltrsift_encode.c
Examining data/ltrsift-1.0.2/src/menubar.h
Examining data/ltrsift-1.0.2/src/preprocess_stream.c
Examining data/ltrsift-1.0.2/src/preprocess_stream.h
Examining data/ltrsift-1.0.2/src/preprocess_visitor.c
Examining data/ltrsift-1.0.2/src/preprocess_visitor.h
Examining data/ltrsift-1.0.2/src/project_wizard.c
Examining data/ltrsift-1.0.2/src/project_wizard.h
Examining data/ltrsift-1.0.2/src/script_filter_stream.c
Examining data/ltrsift-1.0.2/src/script_filter_stream.h
Examining data/ltrsift-1.0.2/src/statusbar.c
Examining data/ltrsift-1.0.2/src/statusbar.h
Examining data/ltrsift-1.0.2/src/support.c
Examining data/ltrsift-1.0.2/src/support.h
Examining data/ltrsift-1.0.2/src/menubar.c
Examining data/ltrsift-1.0.2/src/message_strings.h

FINAL RESULTS:

data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:853:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -x %d", last_call, xgapped);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:855:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -z %d", last_call, xfinal);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:857:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -y %d", last_call, xgapless);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:859:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -e %d", last_call, mscoregapped);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:861:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -d %d", last_call, mscoregapless);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:864:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -a %d", last_call, gapopen);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:866:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -b %d", last_call, gapextend);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:868:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -r %d", last_call, matchscore);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:870:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -q %d", last_call, mismatchcost);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:872:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s -k %d", last_call, stepsize);
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:889:5:  [4] (buffer) sprintf:
  Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
  vsnprintf.
    sprintf(last_call, "%s %s", last_call, morelast);
data/ltrsift-1.0.2/src/gtk_ltr_families.c:1139:16:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
               g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_families.c:1504:45:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                            g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2179:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2293:45:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                            g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2337:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_filter.c:421:63:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
    gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(fc), g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_filter.c:742:9:  [3] (random) srand:
  This function is not sufficiently random for security-related functions
  such as key and nonce creation (CWE-327). Use a more secure technique for
  acquiring random values.
        srand(time(NULL));
data/ltrsift-1.0.2/src/gtk_ltr_filter.c:871:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/ltrsift.c:318:26:  [3] (buffer) getenv:
  Environment variables are untrustable input if they can be set by an
  attacker. They can have any content and length, and the same variable can
  be set more than once (CWE-807, CWE-20). Check environment variables
  carefully before using them.
    ltrgui->style_file = getenv(LTRSIFT_STYLE_ENV);
data/ltrsift-1.0.2/src/menubar.c:906:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/menubar.c:1028:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/menubar.c:1369:45:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                            g_get_home_dir());
data/ltrsift-1.0.2/src/menubar.c:1406:41:  [3] (buffer) g_get_home_dir:
  This function is synonymous with 'getenv("HOME")';it returns untrustable
  input if the environment can beset by an attacker. It can have any content
  and length, and the same variable can be set more than once (CWE-807,
  CWE-20). Check environment variables carefully before using them.
                                        g_get_home_dir());
data/ltrsift-1.0.2/src/gtk_ltr_families.c:972:5:  [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 *tmp_oldname,
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2566:7:  [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 tmp_curname[BUFSIZ];
data/ltrsift-1.0.2/src/gtk_ltr_families.c:3359:9:  [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 hex[8];
data/ltrsift-1.0.2/src/gtk_ltr_families.c:4242:7:  [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 tmp_name[BUFSIZ];
data/ltrsift-1.0.2/src/support.c:537:3:  [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 *buffer, header[BUFSIZ];
data/ltrsift-1.0.2/src/support.h:50:12:  [2] (misc) open:
  Check when opening files - can an attacker redirect it (via symlinks),
  force the opening of special file type (e.g., device files), move things
  around to create a race condition, control its ancestors, or change its
  contents? (CWE-362).
           open,
data/ltrsift-1.0.2/src/gtk_ltr_assistant.c:669:40:  [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).
      gchar *tmp = g_strndup(filename, strlen(filename) - 4);
data/ltrsift-1.0.2/src/gtk_ltr_families.c:1513:34:  [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).
        tmp = g_strndup(tmpname, strlen(tmpname) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/gtk_ltr_families.c:1513:52:  [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).
        tmp = g_strndup(tmpname, strlen(tmpname) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2303:34:  [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).
        tmp = g_strndup(tmpname, strlen(tmpname) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/gtk_ltr_families.c:2303:52:  [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).
        tmp = g_strndup(tmpname, strlen(tmpname) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/gtk_project_settings.c:555:31:  [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).
    tmp = g_strndup(filename, strlen(filename) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/gtk_project_settings.c:555:50:  [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).
    tmp = g_strndup(filename, strlen(filename) - strlen(ESQ_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:683:29:  [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).
                            strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:683:60:  [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).
                            strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:865:27:  [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).
                          strlen(projectfile) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:865:49:  [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).
                          strlen(projectfile) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:958:27:  [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).
                          strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:958:58:  [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).
                          strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:992:27:  [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).
                          strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:992:58:  [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).
                          strlen(threaddata->filename) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/menubar.c:1378:34:  [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).
        tmp = g_strndup(tmpname, strlen(tmpname) - 4);
data/ltrsift-1.0.2/src/project_wizard.c:245:27:  [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).
                          strlen(tmp_pfile) - strlen(SQLITE_PATTERN));
data/ltrsift-1.0.2/src/project_wizard.c:245:47:  [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).
                          strlen(tmp_pfile) - strlen(SQLITE_PATTERN));

ANALYSIS SUMMARY:

Hits = 48
Lines analyzed = 16372 in approximately 0.46 seconds (35763 lines/second)
Physical Source Lines of Code (SLOC) = 14200
Hits@level = [0]  16 [1]  18 [2]   6 [3]  13 [4]  11 [5]   0
Hits@level+ = [0+]  64 [1+]  48 [2+]  30 [3+]  24 [4+]  11 [5+]   0
Hits/KSLOC@level+ = [0+] 4.50704 [1+] 3.38028 [2+] 2.11268 [3+] 1.69014 [4+] 0.774648 [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.