1#include <ruby.h>
2#include <ruby/encoding.h>
3
4static VALUE
5printf_test_i(VALUE self, VALUE obj)
6{
7    char buf[256];
8    snprintf(buf, sizeof(buf), "<%"PRIsVALUE">", obj);
9    return rb_usascii_str_new2(buf);
10}
11
12static VALUE
13printf_test_s(VALUE self, VALUE obj)
14{
15    return rb_enc_sprintf(rb_usascii_encoding(), "<%"PRIsVALUE">", obj);
16}
17
18static VALUE
19printf_test_v(VALUE self, VALUE obj)
20{
21    return rb_enc_sprintf(rb_usascii_encoding(), "{%+"PRIsVALUE"}", obj);
22}
23
24void
25Init_printf(void)
26{
27    VALUE m = rb_define_module_under(rb_define_module("Bug"), "Printf");
28    rb_define_singleton_method(m, "i", printf_test_i, 1);
29    rb_define_singleton_method(m, "s", printf_test_s, 1);
30    rb_define_singleton_method(m, "v", printf_test_v, 1);
31}
32