| SLAP_INDEX_SUBSTR_ANY \
| SLAP_INDEX_SUBSTR_FINAL )
-/* constants for initial/final substrings indices */
-#ifndef SLAP_INDEX_SUBSTR_IF_MINLEN
-# define SLAP_INDEX_SUBSTR_IF_MINLEN 2
-#endif
-#ifndef SLAP_INDEX_SUBSTR_IF_MAXLEN
-# define SLAP_INDEX_SUBSTR_IF_MAXLEN 4
-#endif
+/* defaults for initial/final substring indices */
+#define SLAP_INDEX_SUBSTR_IF_MINLEN_DEFAULT 2
+#define SLAP_INDEX_SUBSTR_IF_MAXLEN_DEFAULT 4
-/* constants for any substrings indices */
-#ifndef SLAP_INDEX_SUBSTR_ANY_LEN
-# define SLAP_INDEX_SUBSTR_ANY_LEN 4
-#endif
-#ifndef SLAP_INDEX_SUBSTR_ANY_STEP
-# define SLAP_INDEX_SUBSTR_ANY_STEP 2
-#endif
+/* defaults for any substring indices */
+#define SLAP_INDEX_SUBSTR_ANY_LEN_DEFAULT 4
+#define SLAP_INDEX_SUBSTR_ANY_STEP_DEFAULT 2
#define SLAP_INDEX_FLAGS 0xF000UL
#define SLAP_INDEX_NOSUBTYPES 0x1000UL /* don't use index w/ subtypes */