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/*
* Copyright © 2010 Codethink Limited
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the licence, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#ifndef __gvdb_format_h__
#define __gvdb_format_h__
#include <glib.h>
typedef struct { guint16 value; } guint16_le;
typedef struct { guint32 value; } guint32_le;
struct gvdb_pointer {
guint32_le start;
guint32_le end;
};
struct gvdb_hash_header {
guint32_le n_bloom_words;
guint32_le n_buckets;
};
struct gvdb_hash_item {
guint32_le hash_value;
guint32_le parent;
guint32_le key_start;
guint16_le key_size;
gchar type;
gchar unused;
union
{
struct gvdb_pointer pointer;
gchar direct[8];
} value;
};
struct gvdb_header {
guint32 signature[2];
guint32_le version;
guint32_le options;
struct gvdb_pointer root;
};
static inline guint32_le guint32_to_le (guint32 value) {
guint32_le result = { GUINT32_TO_LE (value) };
return result;
}
static inline guint32 guint32_from_le (guint32_le value) {
return GUINT32_FROM_LE (value.value);
}
static inline guint16_le guint16_to_le (guint16 value) {
guint16_le result = { GUINT16_TO_LE (value) };
return result;
}
static inline guint16 guint16_from_le (guint16_le value) {
return GUINT16_FROM_LE (value.value);
}
#define GVDB_SIGNATURE0 1918981703
#define GVDB_SIGNATURE1 1953390953
#define GVDB_SWAPPED_SIGNATURE0 GUINT32_SWAP_LE_BE (GVDB_SIGNATURE0)
#define GVDB_SWAPPED_SIGNATURE1 GUINT32_SWAP_LE_BE (GVDB_SIGNATURE1)
#endif /* __gvdb_format_h__ */
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