// Copyright 2010-2012 RethinkDB, all rights reserved.

#define __STDC_LIMIT_MACROS

#include "containers/data_buffer.hpp"

#include <stdint.h>

#include "utils.hpp"

void debug_print(printf_buffer_t *buf, const counted_t<data_buffer_t>& ptr) {

if (!ptr.has()) {

buf->appendf("databuf_ptr{null}");

} else {

buf->appendf("databuf_ptr{");

const char *bytes = ptr->buf();

debug_print_quoted_string(buf, reinterpret_cast<const uint8_t *>(bytes), ptr->size());

buf->appendf("}");

}

}

counted_t<data_buffer_t> data_buffer_t::create(int64_t size) {

static_assert(sizeof(data_buffer_t) == sizeof(ref_count_) + sizeof(size_),

"data_buffer_t is not a packed struct type");

rassert(size >= 0 && static_cast<uint64_t>(size) <= SIZE_MAX - sizeof(data_buffer_t));

data_buffer_t *b = static_cast<data_buffer_t *>(malloc(sizeof(data_buffer_t) + size));

b->ref_count_ = 0;

b->size_ = size;

return counted_t<data_buffer_t>(b);

}