chmod (p1)
public
Changes permission bits on file to the bit pattern represented by
mode_int . Actual effects are platform dependent; on Unix systems,
see chmod (2) for details. Follows symbolic
links. Also see File#lchmod.
f = File . new (" out ", " w ");
f . chmod ( 0644 ) Show source static VALUE
rb_file_chmod(VALUE obj, VALUE vmode)
{
rb_io_t *fptr;
int mode;
#if !defined HAVE_FCHMOD || !HAVE_FCHMOD
VALUE path;
#endif
mode = NUM2INT(vmode);
GetOpenFile(obj, fptr);
#ifdef HAVE_FCHMOD
if (fchmod(fptr->fd, mode) == -1) {
if (HAVE_FCHMOD || errno != ENOSYS)
rb_sys_fail_path(fptr->pathv);
}
else {
if (!HAVE_FCHMOD) return INT2FIX(0);
}
#endif
#if !defined HAVE_FCHMOD || !HAVE_FCHMOD
if (NIL_P(fptr->pathv)) return Qnil;
path = rb_str_encode_ospath(fptr->pathv);
if (chmod(RSTRING_PTR(path), mode) == -1)
rb_sys_fail_path(fptr->pathv);
#endif
return INT2FIX(0);
}