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/*
* Copyright (c) 2013 Todd C. Miller <millert@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <db.h>
#include <string.h>
#include "grey.h"
/* Fill in struct gdata from DBT, converting from obsolete format as needed. */
int
gdcopyin(const void *v, struct gdata *gd)
{
const DBT *dbd = v;
int rc = 0;
if (dbd->size == sizeof(struct gdata)) {
/* Current grey data format. */
memcpy(gd, dbd->data, sizeof(struct gdata));
} else if (dbd->size == sizeof(struct ogdata)) {
/* Backwards compat for obsolete grey data format. */
struct ogdata ogd;
memcpy(&ogd, dbd->data, sizeof(struct ogdata));
gd->first = ogd.first;
gd->pass = ogd.pass;
gd->expire = ogd.expire;
gd->bcount = ogd.bcount;
gd->pcount = ogd.pcount;
} else {
/* Unsupported grey data format. */
rc = -1;
}
return (rc);
}
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