/* keybox-defs.h - interal Keybox defintions
 *	Copyright (C) 2001 Free Software Foundation, Inc.
 *
 * This file is part of GnuPG.
 *
 * GnuPG is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GnuPG 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#ifndef KEYBOX_DEFS_H
#define KEYBOX_DEFS_H 1

#include <sys/types.h> /* off_t */
#include "keybox.h"

#ifndef HAVE_BYTE_TYPEDEF
typedef unsigned char byte; /* fixme */
#endif
#ifndef HAVE_U16_TYPEDEF
typedef unsigned short u16; /* fixme */
#endif
#ifndef HAVE_U32_TYPEDEF
typedef unsigned int u32; /* fixme */
#endif

enum {
  BLOBTYPE_HEADER = 1,
  BLOBTYPE_PGP = 2,
  BLOBTYPE_X509 = 3
};



typedef struct keybox_name *KB_NAME;
typedef struct keybox_name const * CONST_KB_NAME;
struct keybox_name {
  struct keybox_name *next;
  int secret;
  /*DOTLOCK lockhd;*/
  int is_locked;
  int did_full_scan;
  char fname[1];
};



struct keybox_handle {
  CONST_KB_NAME resource;
  int secret;             /* this is for a secret keybox */
  struct {
    CONST_KB_NAME kb;
    /*IOBUF iobuf;*/
    int eof;
    int error;
  } current;
  struct {
    CONST_KB_NAME kb; 
    off_t offset;
    size_t pk_no;
    size_t uid_no;
    unsigned int n_packets; /*used for delete and update*/
  } found;
  struct {
    char *name;
    char *pattern;
  } word_match;
};


typedef struct keyboxblob *KEYBOXBLOB;



/*-- keybox-blob.c --*/
int  _keybox_new_blob (KEYBOXBLOB *r_blob, char *image, size_t imagelen);
void _keybox_release_blob (KEYBOXBLOB blob);
const char *_keybox_get_blob_image (KEYBOXBLOB blob, size_t *n);

/*-- keybox-file.c --*/
int _keybox_read_blob (KEYBOXBLOB *r_blob, FILE *fp);

/*-- keybox-dump.c --*/
int _keybox_dump_blob (KEYBOXBLOB blob, FILE *fp);
int _keybox_dump_file (const char *filename, FILE *outfp);


/*-- keybox-util.c --*/
void *_keybox_malloc (size_t n);
void *_keybox_calloc (size_t n, size_t m);
void *_keybox_realloc (void *p, size_t n);
void  _keybox_free (void *p);

#define xtrymalloc(a)    _keybox_malloc ((a))
#define xtrycalloc(a,b)  _keybox_calloc ((a),(b))
#define xtryrealloc(a,b) _keybox_realloc((a),(b))
#define xfree(a)         _keybox_free ((a))


#define DIM(v) (sizeof(v)/sizeof((v)[0]))
#define DIMof(type,member)   DIM(((type *)0)->member)
#ifndef STR
  #define STR(v) #v
#endif
#define STR2(v) STR(v)

/*
  a couple of handy macros 
*/

#define return_if_fail(expr) do {                        \
    if (!(expr)) {                                       \
        fprintf (stderr, "%s:%d: assertion `%s' failed\n", \
                 __FILE__, __LINE__, #expr );            \
        return;	                                         \
    } } while (0)
#define return_null_if_fail(expr) do {                   \
    if (!(expr)) {                                       \
        fprintf (stderr, "%s:%d: assertion `%s' failed\n", \
                 __FILE__, __LINE__, #expr );            \
        return NULL;	                                 \
    } } while (0)
#define return_val_if_fail(expr,val) do {                \
    if (!(expr)) {                                       \
        fprintf (stderr, "%s:%d: assertion `%s' failed\n", \
                 __FILE__, __LINE__, #expr );            \
        return (val);	                                 \
    } } while (0)
#define never_reached() do {                                   \
        fprintf (stderr, "%s:%d: oops; should never get here\n", \
                 __FILE__, __LINE__ );                         \
    } while (0)


#endif /*KEYBOX_DEFS_H*/