some minor improvements

diff --git a/modules/src/idf/idf_pkg.body b/modules/src/idf/idf_pkg.body
index 062e28c..8869a68 100644 (file)
--- a/modules/src/idf/idf_pkg.body
+++ b/modules/src/idf/idf_pkg.body
@@ -10,7 +10,7 @@
 
 #define        HASHSIZE        256     /* size of hashtable, must be a power of 2 */
 #ifndef IDF_HSIZE
-#define IDF_HSIZE      64      /* # of significant characters for hashing.
+#define IDF_HSIZE      16      /* # of significant characters for hashing.
                                   This is NOT the number of significant
                                   characters!
                                */
@@ -20,9 +20,9 @@
 #define        HASH_C          153     /* Knuth's c */
 
 #define        HASHMASK                (HASHSIZE-1)    /* since it is a power of 2 */
-#define        STARTHASH()             (0)
-#define        ENHASH(hs,ch,hm)        (hs + (ch ^ hm))
-#define        STOPHASH(hs)            (hs & HASHMASK)
+#define        STARTHASH(hs)           (hs = 0)
+#define        ENHASH(hs,ch,hm)        (hs += (ch ^ hm))
+#define        STOPHASH(hs)            (hs &= HASHMASK)
 
 static char hmask[IDF_HSIZE];
 
@@ -106,11 +106,11 @@ str2idf(tg, cpy)
        register int hash;
        int size;
 
-       hash = STARTHASH();
+       STARTHASH(hash);
        while (*cp && phm < &hmask[IDF_HSIZE]) {
-               hash = ENHASH(hash, *cp++, *phm++);
+               ENHASH(hash, *cp++, *phm++);
        }
-       hash = STOPHASH(hash);
+       STOPHASH(hash);
        while (*cp++) /* nothing. Find end of string */ ;
        size = cp - tg;