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 void db_import(const char *filename);
   8 void db_export(const char *filename);
   9
  10 /* byteswap */
  11 uint64_t hton64(const uint64_t ho);
  12 uint64_t ntoh64(const uint64_t no);
  13 void test_64order(void);
  14
  15 /* read helpers */
  16 unsigned int xtell(const int fd);
  17 int readn(const int fd, void *dest, const size_t len);
  18 int read8(const int fd, uint8_t *dest);
  19 int expect8(const int fd, uint8_t expecting);
  20 int read16(const int fd, uint16_t *dest);
  21 int read32(const int fd, uint32_t *dest);
  22 int readaddr(const int fd, in_addr_t *dest);
  23 int read64(const int fd, uint64_t *dest);
  24 int read_file_header(const int fd, const uint8_t expected[4]);
  25
  26 /* write helpers */
  27 int writen(const int fd, const void *dest, const size_t len);
  28 int write8(const int fd, const uint8_t i);
  29 int write16(const int fd, const uint16_t i);
  30 int write32(const int fd, const uint32_t i);
  31 int writeaddr(const int fd, const in_addr_t addr);
  32 int write64(const int fd, const uint64_t i);
  33
  34 /* vim:set ts=3 sw=3 tw=78 et: */