Function iftruncate

src/dd.c:1335–1348

/* Restart on EINTR from ftruncate.  */

static int
iftruncate (int fd, off_t length)
{
  int ret;

  do
    {
      process_signals ();
      ret = ftruncate (fd, length);
    }
  while (ret < 0 && errno == EINTR);

  return ret;
}

/* Return true if STR is of the form "PATTERN" or "PATTERNDELIM...".  */