--- /dev/null
+/* -*-c-*-
+ *
+ * $Id: ghash-def.h,v 1.1 1999/12/10 23:21:37 mdw Exp $
+ *
+ * Definitions for generic hash interface
+ *
+ * (c) 1999 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Catacomb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with Catacomb; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Revision history --------------------------------------------------*
+ *
+ * $Log: ghash-def.h,v $
+ * Revision 1.1 1999/12/10 23:21:37 mdw
+ * Generic interface.
+ *
+ */
+
+#ifndef CATACOMB_GHASH_DEF_H
+#define CATACOMB_GHASH_DEF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <mLib/bits.h>
+#include <mLib/sub.h>
+
+#ifndef CATACOMB_GHASH_H
+# include "ghash.h"
+#endif
+
+/*----- Generic hash function interface -----------------------------------*/
+
+/* --- @GHASH_DEF@ --- *
+ *
+ * Arguments: @PRE, pre@ = prefixes for hash function
+ *
+ * Use: Defines the generic hash instance.
+ */
+
+#define GHASH_DEF(PRE, pre) \
+ \
+static const ghash_ops gops; \
+ \
+typedef struct gctx { \
+ ghash h; \
+ pre##_ctx c; \
+} gctx; \
+ \
+static ghash *ghinit(void) \
+{ \
+ gctx *g = CREATE(gctx); \
+ g->h.ops = &gops; \
+ pre##_init(&g->c); \
+ return (&g->h); \
+} \
+ \
+static void ghhash(ghash *h, const void *p, size_t sz) \
+{ \
+ gctx *g = (gctx *)h; \
+ pre##_hash(&g->c, p, sz); \
+} \
+ \
+static void ghdone(ghash *h, void *buf) \
+{ \
+ gctx *g = (gctx *)h; \
+ pre##_done(&g->c, buf); \
+} \
+ \
+static void ghdestroy(ghash *h) \
+{ \
+ gctx *g = (gctx *)h; \
+ DESTROY(g); \
+} \
+ \
+static const ghash_ops gops = { &pre.b, ghhash, ghdone, ghdestroy }; \
+const gchash pre = { { #pre, PRE##_HASHSZ }, ghinit };
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif