MPD  0.20.18
OggPage.hxx
Go to the documentation of this file.
1 /*
2  * Copyright 2003-2017 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef MPD_OGG_PAGE_HXX
21 #define MPD_OGG_PAGE_HXX
22 
23 #include "check.h"
24 
25 #include <ogg/ogg.h>
26 
27 #include <assert.h>
28 #include <string.h>
29 #include <stdint.h>
30 
31 static size_t
32 ReadPage(const ogg_page &page, void *_buffer, size_t size)
33 {
34  assert(page.header_len > 0 || page.body_len > 0);
35 
36  size_t header_len = (size_t)page.header_len;
37  size_t body_len = (size_t)page.body_len;
38  assert(header_len <= size);
39 
40  if (header_len + body_len > size)
41  /* TODO: better overflow handling */
42  body_len = size - header_len;
43 
44  uint8_t *buffer = (uint8_t *)_buffer;
45  memcpy(buffer, page.header, header_len);
46  memcpy(buffer + header_len, page.body, body_len);
47 
48  return header_len + body_len;
49 }
50 
51 #endif
static size_t ReadPage(const ogg_page &page, void *_buffer, size_t size)
Definition: OggPage.hxx:32