blob: 7759cbdcf00cf59b4d222c680b9b89305e28dbad (
plain)
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 "ruby/encoding.h"
static VALUE
bug_str_cstr_term(VALUE str)
{
long len;
char *s;
int c;
rb_encoding *enc;
rb_str_modify(str);
len = RSTRING_LEN(str);
RSTRING_PTR(str)[len] = 'x';
s = StringValueCStr(str);
rb_gc();
enc = rb_enc_get(str);
c = rb_enc_codepoint(&s[len], &s[len+rb_enc_mbminlen(enc)], enc);
return INT2NUM(c);
}
static VALUE
bug_str_cstr_term_char(VALUE str)
{
long len;
char *s;
int c;
rb_encoding *enc = rb_enc_get(str);
RSTRING_GETMEM(str, s, len);
c = rb_enc_codepoint(&s[len], &s[len+rb_enc_mbminlen(enc)], enc);
return c ? rb_enc_uint_chr((unsigned int)c, enc) : Qnil;
}
void
Init_cstr(VALUE klass)
{
rb_define_method(klass, "cstr_term", bug_str_cstr_term, 0);
rb_define_method(klass, "cstr_term_char", bug_str_cstr_term_char, 0);
}
|