/* -*-c-*-
*
- * $Id: ghash-def.h,v 1.3 2000/07/02 18:27:42 mdw Exp $
+ * $Id: ghash-def.h,v 1.4 2000/07/15 10:00:58 mdw Exp $
*
* Definitions for generic hash interface
*
/*----- Revision history --------------------------------------------------*
*
* $Log: ghash-def.h,v $
+ * Revision 1.4 2000/07/15 10:00:58 mdw
+ * New generic hash operation for copying hash contexts.
+ *
* 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
S_DESTROY(g); \
} \
\
-static const ghash_ops gops = { &pre, ghhash, ghdone, ghdestroy }; \
+static ghash *ghcopy(ghash *h) \
+{ \
+ gctx *g = (gctx *)h; \
+ gctx *gg = S_CREATE(gctx); \
+ memcpy(gg, g, sizeof(gctx)); \
+ return (&gg->h); \
+} \
+ \
+static const ghash_ops gops = \
+ { &pre, ghhash, ghdone, ghdestroy, ghcopy }; \
const gchash pre = { #pre, PRE##_HASHSZ, ghinit };
/*----- That's all, folks -------------------------------------------------*/