X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/a27430a2fc1347926142db0f1a24fe6ecaee9163..a351d052dda03a2cc1af01dcef4640891f551ada:/ghash.h

diff --git a/ghash.h b/ghash.h
index 762444c..85b3d7f 100644
--- a/ghash.h
+++ b/ghash.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: ghash.h,v 1.2 2000/06/17 11:22:17 mdw Exp $
+ * $Id: ghash.h,v 1.3 2000/07/02 18:27:42 mdw Exp $
  *
  * Generic hash function interface
  *
@@ -30,6 +30,12 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: ghash.h,v $
+ * Revision 1.3  2000/07/02 18:27:42  mdw
+ * (ghash->ops->done): Interface change.  Passing in a null buffer pointer
+ * uses a buffer internal to the ghash object.  The operation returns the
+ * address of the buffer it used.  Clients of generic hashes no longer need
+ * to use dynamically allocated memory for hash results.
+ *
  * Revision 1.2  2000/06/17 11:22:17  mdw
  * Minor changes in the generic hash interface.
  *
@@ -58,7 +64,7 @@ typedef struct ghash {
 typedef struct ghash_ops {
   const struct gchash *c;		/* Pointer to hash class */
   void (*hash)(ghash */*h*/, const void */*p*/, size_t /*sz*/); /* Hash */
-  void (*done)(ghash */*h*/, void */*buf*/); /* Write result */
+  octet *(*done)(ghash */*h*/, void */*buf*/); /* Write result */
   void (*destroy)(ghash */*h*/);	/* Destroy hash block */
 } ghash_ops;