unix4lyfe git - darkstat/blob - db.h

   1 /* darkstat 3
   2  *
   3  * db.h: load and save in-memory database from/to file
   4  * copyright (c) 2007 Ben Stewart, Emil Mikulic.
   5  */
   6
   7 #include "hosts_db.h"   /* addr46 */
   8
   9 void db_import(const char *filename);
  10 void db_export(const char *filename);
  11
  12 /* byteswap */
  13 uint64_t hton64(const uint64_t ho);
  14 uint64_t ntoh64(const uint64_t no);
  15 void test_64order(void);
  16
  17 /* read helpers */
  18 unsigned int xtell(const int fd);
  19 int readn(const int fd, void *dest, const size_t len);
  20 int read8(const int fd, uint8_t *dest);
  21 int expect8(const int fd, uint8_t expecting);
  22 int read16(const int fd, uint16_t *dest);
  23 int read32(const int fd, uint32_t *dest);
  24 int readaddr(const int fd, struct addr46 *dest);
  25 int read64(const int fd, uint64_t *dest);
  26 int read_file_header(const int fd, const uint8_t expected[4]);
  27
  28 /* write helpers */
  29 int writen(const int fd, const void *dest, const size_t len);
  30 int write8(const int fd, const uint8_t i);
  31 int write16(const int fd, const uint16_t i);
  32 int write32(const int fd, const uint32_t i);
  33 int writeaddr(const int fd, const struct addr46 *const addr);
  34 int write64(const int fd, const uint64_t i);
  35
  36 /* vim:set ts=3 sw=3 tw=78 et: */