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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Allocates a new #page object, without filling the data element.
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struct page *page = g_malloc(sizeof(*page) + size -
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page_new_copy(const void *data, size_t size)
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struct page *page = page_new(size);
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memcpy(page->data, data, size);
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page_new_concat(const struct page *a, const struct page *b)
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struct page *page = page_new(a->size + b->size);
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memcpy(page->data, a->data, a->size);
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memcpy(page->data + a->size, b->data, b->size);
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page_ref(struct page *page)
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g_atomic_int_inc(&page->ref);
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page_free(struct page *page)
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assert(page->ref == 0);
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page_unref(struct page *page)
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bool unused = g_atomic_int_dec_and_test(&page->ref);