1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2000 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26 
  27 #ifndef _DHCPTAB_H
  28 #define _DHCPTAB_H
  29 
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31 
  32 #include <sys/types.h>
  33 #include <stdio.h>
  34 #include <dhcp_svc_public.h>
  35 
  36 /*
  37  * Implementation-specific data structures for the files dhcptab container.
  38  * These structures are subject to change at any time.
  39  */
  40 
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44 
  45 /*
  46  * Per-record state describing the underlying record, including its
  47  * position on-disk.
  48  */
  49 typedef struct dt_recpos {
  50         dt_rec_t        dtp_rec;        /* traditional record */
  51         size_t          dtp_size;       /* its size in the file */
  52         off_t           dtp_off;        /* its starting offset in the file */
  53 } dt_recpos_t;
  54 
  55 /*
  56  * Per-instance state for each instance of an open_dt()
  57  */
  58 typedef struct dt_handle {
  59         unsigned int    dh_oflags;      /* flags passed into open_dt() */
  60         char            dh_location[MAXPATHLEN];
  61 } dt_handle_t;
  62 
  63 /*
  64  * Order of the fields in the on-disk record.
  65  */
  66 enum { DTF_KEY, DTF_TYPE, DTF_SIG, DTF_VALUE };
  67 
  68 #define DTF_FIELDS              4       /* number of fields */
  69 #define DTF_COMMENT_CHAR        '#'
  70 
  71 /*
  72  * Constants for use with find_dt()
  73  */
  74 #define FIND_PARTIAL    0x0001          /* allow partial success */
  75 #define FIND_POSITION   0x0002          /* return dt_recpos_t's */
  76 
  77 #ifdef  __cplusplus
  78 }
  79 #endif
  80 
  81 #endif  /* _DHCPTAB_H */