minix/lib/libc/sys/truncate.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3 #include <lib.h>
   4
   5 #include <minix/u64.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8
   9 int truncate(const char *_path, off_t _length)
  10 {
  11   message m;
  12
  13   memset(&m, 0, sizeof(m));
  14   m.m_lc_vfs_truncate.name = (vir_bytes)_path;
  15   m.m_lc_vfs_truncate.len = strlen(_path)+1;
  16   m.m_lc_vfs_truncate.offset = _length;
  17
  18   return(_syscall(VFS_PROC_NR, VFS_TRUNCATE, &m));
  19 }