static t_el *elnew(char *name, char *path, t_args args)
{
t_el *el;
struct stat fstat;
el = malloc(sizeof(t_el));
el->name = ft_strdup(name);
el->path = ft_strjoin(path, name);
if (lstat(el->path, &fstat) == -1)
{
std_error("ft_ls: ", el->name, 1);
return (NULL);
}
el->mode = fstat.st_mode;
el->nlink = fstat.st_nlink;
el->uid = fstat.st_uid;
el->gid = fstat.st_gid;
el->size = fstat.st_size;
el->blocks = fstat.st_blocks;
el->date = (args.u == 1 ? fstat.st_atime : fstat.st_mtime);
el->rdev = fstat.st_rdev;
el->next = NULL;
return (el);
}
// delta value for the 95% confidence interval
// (not student's t-test but normal distribution)
// [average - error, average + error]
duration conf95_error() const
{
return 1.96 * std_error();
}
// relative error (to repeat measurements until small enough)
duration relative_std_error() const
{
return duration(std_error().count() / average().count());
}
