lib/other/_seekdir.c

   1 /*      seekdir()                                       Author: Kees J. Bot
   2  *                                                              24 Apr 1989
   3  */
   4 #define nil 0
   5 #include <lib.h>
   6 #define lseek   _lseek
   7 #define readdir _readdir
   8 #define seekdir _seekdir
   9 #include <sys/types.h>
  10 #include <dirent.h>
  11 #include <unistd.h>
  12 #include <errno.h>
  13
  14 int seekdir(DIR *dp, off_t pos)
  15 /* Seek to position pos in a directory. */
  16 {
  17         int off;
  18
  19         if (dp == nil) { errno= EBADF; return -1; }
  20
  21         dp->_count= 0;
  22
  23         if (lseek(dp->_fd, pos, SEEK_SET) == -1) return -1;
  24
  25         return 0;
  26 }