* hashtab.c (htab_hash_string): New.

From-SVN: r44950

libiberty/ChangeLog

@@ -1,3 +1,7 @@
+2001-08-16  Richard Henderson  <rth@redhat.com>
+
+	* hashtab.c (htab_hash_string): New.
+
 2001-08-13  Andrew Cagney  <ac131313@redhat.com>
 
 	* floatformat.c (floatformat_ieee_double_littlebyte_bigword): Fix

libiberty/hashtab.c

@@ -561,3 +561,19 @@ htab_collisions (htab)
 
   return (double) htab->collisions / (double) htab->searches;
 }
+
+/* Hash P as a null-terminated string.  */
+
+hashval_t
+htab_hash_string (p)
+     const PTR p;
+{
+  const unsigned char *str = (const unsigned char *) p;
+  hashval_t r = 0;
+  unsigned char c;
+
+  while ((c = *str++) != 0)
+    r = r * 67 + c - 113;
+
+  return r;
+}