1 /* 2 * Copyright (c) 2013 Todd C. Miller <millert@openbsd.org> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <sys/types.h> 18 #include <db.h> 19 #include <string.h> 20 21 #include "grey.h" 22 23 /* Fill in struct gdata from DBT, converting from obsolete format as needed. */ 24 int 25 gdcopyin(const void *v, struct gdata *gd) 26 { 27 const DBT *dbd = v; 28 int rc = 0; 29 30 if (dbd->size == sizeof(struct gdata)) { 31 /* Current grey data format. */ 32 memcpy(gd, dbd->data, sizeof(struct gdata)); 33 } else if (dbd->size == sizeof(struct ogdata)) { 34 /* Backwards compat for obsolete grey data format. */ 35 struct ogdata ogd; 36 memcpy(&ogd, dbd->data, sizeof(struct ogdata)); 37 gd->first = ogd.first; 38 gd->pass = ogd.pass; 39 gd->expire = ogd.expire; 40 gd->bcount = ogd.bcount; 41 gd->pcount = ogd.pcount; 42 } else { 43 /* Unsupported grey data format. */ 44 rc = -1; 45 } 46 return (rc); 47 } 48