root/ext/-test-/string/capacity.c

/* */

DEFINITIONS

1. bug_str_capacity
2. Init_capacity

#include "ruby.h"
#include "internal.h"

static VALUE
bug_str_capacity(VALUE klass, VALUE str)
{
    return
        STR_EMBED_P(str) ? INT2FIX(RSTRING_EMBED_LEN_MAX) : \
        STR_SHARED_P(str) ? INT2FIX(0) : \
        LONG2FIX(RSTRING(str)->as.heap.aux.capa);
}

void
Init_capacity(VALUE klass)
{
    rb_define_singleton_method(klass, "capacity", bug_str_capacity, 1);
}

/*

*/