method

setuid?

v2_6_3 - Show latest stable - Class: File

setuid?(p1)

public

Returns true if the named file has the setuid bit set.

file_name can be an IO object.

static VALUE
rb_file_suid_p(VALUE obj, VALUE fname)
{
#ifdef S_ISUID
    return check3rdbyte(fname, S_ISUID);
#else
    return Qfalse;
#endif
}