3 * Generic hash wrapper for CRC32
5 * (c) 2001 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of Catacomb.
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
28 /*----- Header files ------------------------------------------------------*/
30 #include <mLib/crc32.h>
38 /*----- Main code ---------------------------------------------------------*/
46 static const ghash_ops gops
;
48 static ghash
*ghinit(void)
50 gctx
*g
= S_CREATE(gctx
);
56 static void ghhash(ghash
*h
, const void *p
, size_t sz
)
59 CRC32(g
->c
, g
->c
, p
, sz
);
62 static octet
*ghdone(ghash
*h
, void *buf
)
71 static void ghdestroy(ghash
*h
)
78 static ghash
*ghcopy(ghash
*h
)
81 gctx
*gg
= S_CREATE(gctx
);
82 memcpy(gg
, g
, sizeof(gctx
));
86 static const ghash_ops gops
= { &gcrc32
, ghhash
, ghdone
, ghdestroy
, ghcopy
};
87 const gchash gcrc32
= { "crc32", 4, ghinit
};
89 /*----- That's all, folks -------------------------------------------------*/