fix: draw in core editor 8-bit locale and UTF-8 source

edit/editdraw.c

@@ -300,7 +300,7 @@ print_to_widget (WEdit *edit, long row, int start_col, int start_col_real,
 		lowlevel_set_color (color);
 	    }
 	}
-#ifndef HAVE_SLANG
+	if ( textchar > 255 ) {
             int res = g_unichar_to_utf8 (textchar, str);
             if ( res == 0 ) {
                 str[0] = '.';
@@ -309,9 +309,9 @@ print_to_widget (WEdit *edit, long row, int start_col, int start_col_real,
                 str[res] = '\0';
             }
             addstr (str);
-#else
+        } else {
             addch(textchar);
-#endif
+        }
 	p++;
     }
 }

src/charsets.c

@@ -351,7 +351,7 @@ convert_from_utf_to_current_c (const int input_char)
     if ( res == 0 ) {
         return ch;
     }
-    str[6] = '\0';
+    str[res] = '\0';
 
     const char *cp_from =  get_codepage_id ( source_codepage );
     conv = str_crt_conv_from ( cp_from );