lib/libc/sys-minix/lseek64.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3 #include <lib.h>
   4
   5 #include <unistd.h>
   6 #include <minix/u64.h>
   7
   8 int lseek64(fd, offset, whence, newpos)
   9 int fd;
  10 u64_t offset;
  11 int whence;
  12 u64_t *newpos;
  13 {
  14   message m;
  15
  16   m.m2_i1 = fd;
  17   m.m2_l1 = ex64lo(offset);
  18   m.m2_l2 = ex64hi(offset);
  19   m.m2_i2 = whence;
  20   if (_syscall(VFS_PROC_NR, LLSEEK, &m) < 0) return -1;
  21   if (newpos)
  22         *newpos= make64(m.m2_l1, m.m2_l2);
  23   return 0;
  24 }