+++ /dev/null
-/* -*-c-*-
- *
- * $Id: ghash-def.h,v 1.7 2004/04/08 01:36:15 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.
- */
-
-#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_ARENA_H
-# include "arena.h"
-#endif
-
-#ifndef CATACOMB_GHASH_H
-# include "ghash.h"
-#endif
-
-#ifndef CATACOMB_PARANOIA_H
-# include "paranoia.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; \
- octet buf[PRE##_HASHSZ]; \
-} gctx; \
- \
-static ghash *ghinit(void) \
-{ \
- gctx *g = S_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 octet *ghdone(ghash *h, void *buf) \
-{ \
- gctx *g = (gctx *)h; \
- if (!buf) \
- buf = g->buf; \
- pre##_done(&g->c, buf); \
- return (buf); \
-} \
- \
-static void ghdestroy(ghash *h) \
-{ \
- gctx *g = (gctx *)h; \
- BURN(*g); \
- S_DESTROY(g); \
-} \
- \
-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, PRE##_BUFSZ };
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif