1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include "ruby.h"
#include "internal.h"
static VALUE
rb_integer_pack_m(VALUE val, VALUE buf, VALUE wordorder, VALUE wordsize_arg, VALUE endian, VALUE nails)
{
int sign;
size_t count = 0;
void *ret;
size_t wordsize = NUM2SIZET(wordsize_arg);
if (!NIL_P(buf)) {
StringValue(buf);
rb_str_modify(buf);
count = RSTRING_LEN(buf) / wordsize;
}
ret = rb_integer_pack(val,
&sign, &count, NIL_P(buf) ? NULL : RSTRING_PTR(buf), count,
NUM2INT(wordorder), wordsize, NUM2INT(endian), NUM2INT(nails));
return rb_ary_new_from_args(3, INT2NUM(sign), ret ? rb_str_new(ret, wordsize * count) : Qnil, SIZET2NUM(count));
}
static VALUE
rb_integer_unpack_m(VALUE klass, VALUE sign, VALUE buf, VALUE wordcount, VALUE wordorder, VALUE wordsize, VALUE endian, VALUE nails)
{
StringValue(buf);
return rb_integer_unpack(NUM2INT(sign), RSTRING_PTR(buf),
NUM2SIZET(wordcount), NUM2INT(wordorder), NUM2SIZET(wordsize),
NUM2INT(endian), NUM2SIZET(nails));
}
void
Init_pack(VALUE klass)
{
rb_define_method(rb_cInteger, "test_pack", rb_integer_pack_m, 5);
rb_define_singleton_method(rb_cInteger, "test_unpack", rb_integer_unpack_m, 7);
}
|
