#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_pointer options;
};

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