diff -uprk.orig slang-1.4.7.orig/src/slimport.c slang-1.4.7/src/slimport.c
--- slang-1.4.7.orig/src/slimport.c	2002-12-09 07:18:54 +0300
+++ slang-1.4.7/src/slimport.c	2002-12-29 20:48:35 +0300
@@ -134,7 +134,7 @@ static int import_from_library (char *na
 	 * errors.  There is nothing that I can do about that....
 	 */
 	if ((NULL == strchr (file, '/'))
-	    && (strlen(file) < sizeof(filebuf)))
+	    && (strlen(file) < sizeof(filebuf) - 2))
 	  {
 	     err = (char *) dlerror ();
 	     if (err != NULL)
@@ -218,8 +218,8 @@ static void import_module (void)
 	if (-1 == SLang_pop_slstring (&ns))
 	  return;	
      }
-   
-   if (-1 == SLang_pop_slstring (&module))
+
+   if (-1 == SLang_pop_slstring (&module) || strlen (module) > 240)
      {
 	SLang_free_slstring (ns);      /* NULL ok */
 	return;
diff -uprk.orig slang-1.4.7.orig/src/slmisc.c slang-1.4.7/src/slmisc.c
--- slang-1.4.7.orig/src/slmisc.c	2002-12-09 07:18:54 +0300
+++ slang-1.4.7/src/slmisc.c	2002-12-29 20:02:28 +0300
@@ -237,6 +237,7 @@ int SLextract_list_element (char *list, 
 }
 
 #ifndef HAVE_VSNPRINTF
+#error vsnprintf() not detected
 int _SLvsnprintf (char *buf, unsigned int buflen, char *fmt, va_list ap)
 {
 #if 1
@@ -273,6 +274,7 @@ The integrity of this program has been v
 #endif
 
 #ifndef HAVE_SNPRINTF
+#error snprintf() not detected
 int _SLsnprintf (char *buf, unsigned int buflen, char *fmt, ...)
 {
    int status;
diff -uprk.orig slang-1.4.7.orig/src/sltermin.c slang-1.4.7/src/sltermin.c
--- slang-1.4.7.orig/src/sltermin.c	2002-12-09 07:18:54 +0300
+++ slang-1.4.7/src/sltermin.c	2002-12-29 20:51:43 +0300
@@ -271,8 +271,8 @@ SLterminfo_Type *_SLtt_tigetent (char *t
 
    if (NULL != (home = _SLsecure_getenv ("HOME")))
      {
-	strncpy (home_ti, home, sizeof (home_ti) - 11);
-	home_ti [sizeof(home_ti) - 11] = 0;
+	home_ti[0] = '\0';
+	strncat (home_ti, home, sizeof (home_ti) - 11);
 	strcat (home_ti, "/.terminfo");
 	Terminfo_Dirs [0] = home_ti;
      }
@@ -1004,7 +1004,7 @@ static int tcap_getent (char *term, SLte
    if (!strncmp (term, "xterm", 5))
      return -1;
 #endif
-   termcap = (unsigned char *) getenv ("TERMCAP");
+   termcap = (unsigned char *) _SLsecure_getenv ("TERMCAP");
    if ((termcap == NULL) || (*termcap == '/')) return -1;
 
    /* SUN Solaris 7&8 have bug in tset program under tcsh,