/* * Copyright (C) 2003-2011 The Music Player Daemon Project * http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "config.h" #include "Page.hxx" #include #include #include #include Page * Page::Create(size_t size) { void *p = g_malloc(sizeof(Page) + size - sizeof(Page::data)); return ::new(p) Page(size); } Page * Page::Copy(const void *data, size_t size) { assert(data != nullptr); Page *page = Create(size); memcpy(page->data, data, size); return page; } Page * Page::Concat(const Page &a, const Page &b) { Page *page = Create(a.size + b.size); memcpy(page->data, a.data, a.size); memcpy(page->data + a.size, b.data, b.size); return page; } bool Page::Unref() { bool unused = ref.Decrement(); if (unused) { this->Page::~Page(); g_free(this); } return unused; }